Android常用工具类...
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在开发andorid中我们经常会使用一些工具类：如：内存、像素、版本、网络、文件等下面具体列出一些。：
话不多说，直接代码：直观、明了…
像素转换、屏幕宽高…
/** * 根据手机的分辨率从 dp 的单位 转成为 px(像素) */ public static int dip2px(Context context, float dpValue) { final float scale = context.getResources().getDisplayMetrics().density; return (int) (dpValue * scale + 0.5f); } /** * 根据手机的分辨率从 px(像素) 的单位 转成为 dp */ public static int px2dip(Context context, float pxValue) { final float scale = context.getResources().getDisplayMetrics().density; return (int) (pxValue / scale + 0.5f); } public static boolean checkApkExist(Context context, String packageName) { if (packageName == null || "".equals(packageName)) return false; try { ApplicationInfo info = context.getPackageManager().getApplicationInfo(packageName, PackageManager.GET_UNINSTALLED_PACKAGES); return true; } catch (NameNotFoundException e) { return false; } } public static String getScreenInfo(Activity context) { String str = ""; DisplayMetrics metric = new DisplayMetrics(); context.getWindowManager().getDefaultDisplay().getMetrics(metric); int width = metric.widthPixels; // 屏幕宽度（像素） int height = metric.heightPixels; // 屏幕高度（像素） float density = metric.density; // 屏幕密度（0.75 / 1.0 / 1.5） int densityDpi = metric.densityDpi; // 屏幕密度DPI（120 / 160 / 240 str = "屏幕宽高：" + width + ":" + height + "屏幕密度：" + density + ":" + densityDpi; return str; } //获取屏幕的宽度和高度 public static int[] getScreenWidthHeight(Activity context) { DisplayMetrics metric = new DisplayMetrics(); context.getWindowManager().getDefaultDisplay().getMetrics(metric); int width = metric.widthPixels; // 屏幕宽度（像素） int height = metric.heightPixels; // 屏幕高度（像素） int[] wh = new int[2]; wh[0] = width; wh[1] = height; return wh; } public static int getScreenWidth(Context context) { WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = manager.getDefaultDisplay(); return display.getWidth(); } public static int getScreenHeight(Context context) { WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = manager.getDefaultDisplay(); return display.getHeight(); } /** * 获取屏幕可用高度 */ public static int getScreenUseHeight(Activity context) { Rect rect = new Rect(); context.getWindow().getDecorView().getWindowVisibleDisplayFrame(rect); View v = context.getWindow().findViewById(Window.ID_ANDROID_CONTENT); return rect.height(); } /** * 判断当前设备是手机还是平板，代码来自 Google I/O App for Android * * @param context * @return 平板返回 True，手机返回 False */ public static boolean isTablet(Context context) { return (context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE; }屏幕辅助类
/** * 获得屏幕相关的辅助类 * * * */ public class ScreenUtils { private ScreenUtils() { /* cannot be instantiated */ throw new UnsupportedOperationException("cannot be instantiated"); } /** * 获得屏幕高度 * * @param context * @return */ public static int getScreenWidth(Context context) { WindowManager wm = (WindowManager) context .getSystemService(Context.WINDOW_SERVICE); DisplayMetrics outMetrics = new DisplayMetrics(); wm.getDefaultDisplay().getMetrics(outMetrics); return outMetrics.widthPixels; } /** * 获得屏幕宽度 * * @param context * @return */ public static int getScreenHeight(Context context) { WindowManager wm = (WindowManager) context .getSystemService(Context.WINDOW_SERVICE); DisplayMetrics outMetrics = new DisplayMetrics(); wm.getDefaultDisplay().getMetrics(outMetrics); return outMetrics.heightPixels; } /** * 获得状态栏的高度 * * @param context * @return */ public static int getStatusHeight(Context context) { int statusHeight = -1; try { Class<?> clazz = Class.forName("com.android.internal.R$dimen"); Object object = clazz.newInstance(); int height = Integer.parseInt(clazz.getField("status_bar_height") .get(object).toString()); statusHeight = context.getResources().getDimensionPixelSize(height); } catch (Exception e) { e.printStackTrace(); } return statusHeight; } /** * 获取当前屏幕截图，包含状态栏 * * @param activity * @return */ public static Bitmap snapShotWithStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, 0, width, height); view.destroyDrawingCache(); return bp; } /** * 获取当前屏幕截图，不包含状态栏 * * @param activity * @return */ public static Bitmap snapShotWithoutStatusBar(Activity activity) { View view = activity.getWindow().getDecorView(); view.setDrawingCacheEnabled(true); view.buildDrawingCache(); Bitmap bmp = view.getDrawingCache(); Rect frame = new Rect(); activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); int statusBarHeight = frame.top; int width = getScreenWidth(activity); int height = getScreenHeight(activity); Bitmap bp = null; bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height - statusBarHeight); view.destroyDrawingCache(); return bp; } } 软键盘
/** * 打开或关闭软键盘 * * @author zhy * */ public class KeyBoardUtils { /** * 打卡软键盘 * * @param mEditText * 输入框 * @param mContext * 上下文 */ public static void openKeybord(EditText mEditText, Context mContext) { InputMethodManager imm = (InputMethodManager) mContext .getSystemService(Context.INPUT_METHOD_SERVICE); imm.showSoftInput(mEditText, InputMethodManager.RESULT_SHOWN); imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY); } /** * 关闭软键盘 * * @param mEditText * 输入框 * @param mContext * 上下文 */ public static void closeKeybord(EditText mEditText, Context mContext) { InputMethodManager imm = (InputMethodManager) mContext .getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(mEditText.getWindowToken(), 0); } } 手机存储
public static String getPhoneCardPath() { return Environment.getDataDirectory().getPath(); } /** * 获取sd卡路径 * 双sd卡时，根据”设置“里面的数据存储位置选择，获得的是内置sd卡或外置sd卡 * * @return */ public static String getNormalSDCardPath() { return Environment.getExternalStorageDirectory().getPath(); } /** * 获取sd卡路径 * 双sd卡时，获得的是外置sd卡 * * @return */ public static String getSDCardPath() { String cmd = "cat /proc/mounts"; Runtime run = Runtime.getRuntime();// 返回与当前 Java 应用程序相关的运行时对象 BufferedInputStream in = null; BufferedReader inBr = null; try { Process p = run.exec(cmd);// 启动另一个进程来执行命令 in = new BufferedInputStream(p.getInputStream()); inBr = new BufferedReader(new InputStreamReader(in)); String lineStr; while ((lineStr = inBr.readLine()) != null) { // 获得命令执行后在控制台的输出信息 //Log.i("CommonUtil:getSDCardPath", lineStr);// Log.v("GetPath", "lineStr == " + lineStr); if (lineStr.contains("sdcard") && lineStr.contains(".android_secure")) { String[] strArray = lineStr.split(" "); if (strArray != null && strArray.length >= 5) { String result = strArray[1].replace("/.android_secure", ""); return result; } } // 检查命令是否执行失败。 if (p.waitFor() != 0 && p.exitValue() == 1) { // p.exitValue()==0表示正常结束，1：非正常结束 //Log.e("CommonUtil:getSDCardPath", "命令执行失败!"); } } } catch (Exception e) { //Log.e("CommonUtil:getSDCardPath", e.toString()); //return Environment.getExternalStorageDirectory().getPath(); } finally { try { if (in != null) { in.close(); } } catch (IOException e) { // TODO Auto-generated catch block //e.printStackTrace(); } try { if (inBr != null) { inBr.close(); } } catch (IOException e) { // TODO Auto-generated catch block //e.printStackTrace(); } } return Environment.getExternalStorageDirectory().getPath();// String path = Environment.getExternalStorageDirectory().getPath();// if (path.contains("0")) {// path = path.replace("0", "legacy");// }// return path; } //查看所有的sd路径 public String getSDCardPathEx() { String mount = new String(); try { Runtime runtime = Runtime.getRuntime(); Process proc = runtime.exec("mount"); InputStream is = proc.getInputStream(); InputStreamReader isr = new InputStreamReader(is); String line; BufferedReader br = new BufferedReader(isr); while ((line = br.readLine()) != null) { if (line.contains("secure")) continue; if (line.contains("asec")) continue; if (line.contains("fat")) { String columns[] = line.split(" "); if (columns != null && columns.length > 1) { mount = mount.concat("*" + columns[1] + "\n"); } } else if (line.contains("fuse")) { String columns[] = line.split(" "); if (columns != null && columns.length > 1) { mount = mount.concat(columns[1] + "\n"); } } } } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return mount; } //获取当前路径，可用空间 @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2) @SuppressLint("NewApi") public static long getAvailableSize(String path) { try { File base = new File(path); StatFs stat = new StatFs(base.getPath()); long nAvailableCount = stat.getBlockSizeLong() * (stat.getAvailableBlocksLong()); return nAvailableCount; } catch (Exception e) { e.printStackTrace(); } return 0; }创建文件
/*** * 创建文件 */ public static void createFile(String name) { if (android.os.Environment.MEDIA_MOUNTED.equals(android.os.Environment .getExternalStorageState())) { String oldsdcardpath = GetPath.getNormalSDCardPath(); String sdcardpath = GetPath.getSDCardPath(); File oldpath = new File(oldsdcardpath + "/test"); File newpath = new File(sdcardpath + "/test"); if (!sdcardpath.equals(oldsdcardpath) && oldpath.exists() && !newpath.exists()) { sdcardpath = oldsdcardpath; } updateDir = new File(sdcardpath + "/test"); updateFile = new File(updateDir + "/" + name + ".apk"); if (!updateDir.exists()) { updateDir.mkdirs(); } if (!updateFile.exists()) { try { updateFile.createNewFile(); } catch (IOException e) { e.printStackTrace(); } } }获取版本号/比较版本号大小
// 取得版本号 public static String GetVersion(Context context) { try { PackageInfo manager = context.getPackageManager().getPackageInfo( context.getPackageName(), 0); return manager.versionName; } catch (NameNotFoundException e) { return "Unknown"; } } /** * 比较版本号的大小,前者大则返回一个正数,后者大返回一个负数,相等则返回0 * @param version1 * @param version2 * @return */ public static int compareVersion(String version1, String version2) throws Exception { if (version1 == null || version2 == null) { throw new Exception("compareVersion error:illegal params."); } String[] versionArray1 = version1.split("\\.");//注意此处为正则匹配，不能用"."； String[] versionArray2 = version2.split("\\."); int idx = 0; int minLength = Math.min(versionArray1.length, versionArray2.length);//取最小长度值 int diff = 0; while (idx < minLength && (diff = versionArray1[idx].length() - versionArray2[idx].length()) == 0//先比较长度 && (diff = versionArray1[idx].compareTo(versionArray2[idx])) == 0) {//再比较字符 ++idx; } //如果已经分出大小，则直接返回，如果未分出大小，则再比较位数，有子版本的为大； diff = (diff != 0) ? diff : versionArray1.length - versionArray2.length; return diff; }网络判断
public static boolean networkStatusOK(Context mContext) { boolean netStatus = false; try { ConnectivityManager connectManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetworkInfo = connectManager.getActiveNetworkInfo(); if (activeNetworkInfo != null) { if (activeNetworkInfo.isAvailable() && activeNetworkInfo.isConnected()) { netStatus = true; } } } catch (Exception e) { e.printStackTrace(); } return netStatus; } public static boolean isWIFIConn(Context mContext) { ConnectivityManager connManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI); if (mWifi.isConnected()) { return true; } return false; } /** * 判断网络是否连接 * * @param context * @return */ public static boolean isConnected(Context context) { ConnectivityManager connectivity = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); if (null != connectivity) { NetworkInfo info = connectivity.getActiveNetworkInfo(); if (null != info && info.isConnected()) { if (info.getState() == NetworkInfo.State.CONNECTED) { return true; } } } return false; } /** * 判断是否是wifi连接 */ public static boolean isWifi(Context context) { ConnectivityManager cm = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); if (cm == null) return false; return cm.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI; } /** * 打开网络设置界面 */ public static void openSetting(Activity activity) { Intent intent = new Intent("/"); ComponentName cm = new ComponentName("com.android.settings", "com.android.settings.WirelessSettings"); intent.setComponent(cm); intent.setAction("android.intent.action.VIEW"); activity.startActivityForResult(intent, 0); } HTTP请求：GET、POST
/** * Http请求的工具类 * * @author * */ public class HttpUtils { private static final int TIMEOUT_IN_MILLIONS = 5000; public interface CallBack { void onRequestComplete(String result); } /** * 异步的Get请求 * * @param urlStr * @param callBack */ public static void doGetAsyn(final String urlStr, final CallBack callBack) { new Thread() { public void run() { try { String result = doGet(urlStr); if (callBack != null) { callBack.onRequestComplete(result); } } catch (Exception e) { e.printStackTrace(); } }; }.start(); } /** * 异步的Post请求 * @param urlStr * @param params * @param callBack * @throws Exception */ public static void doPostAsyn(final String urlStr, final String params, final CallBack callBack) throws Exception { new Thread() { public void run() { try { String result = doPost(urlStr, params); if (callBack != null) { callBack.onRequestComplete(result); } } catch (Exception e) { e.printStackTrace(); } }; }.start(); } /** * Get请求，获得返回数据 * * @param urlStr * @return * @throws Exception */ public static String doGet(String urlStr) { URL url = null; HttpURLConnection conn = null; InputStream is = null; ByteArrayOutputStream baos = null; try { url = new URL(urlStr); conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(TIMEOUT_IN_MILLIONS); conn.setConnectTimeout(TIMEOUT_IN_MILLIONS); conn.setRequestMethod("GET"); conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); if (conn.getResponseCode() == 200) { is = conn.getInputStream(); baos = new ByteArrayOutputStream(); int len = -1; byte[] buf = new byte[128]; while ((len = is.read(buf)) != -1) { baos.write(buf, 0, len); } baos.flush(); return baos.toString(); } else { throw new RuntimeException(" responseCode is not 200 ... "); } } catch (Exception e) { e.printStackTrace(); } finally { try { if (is != null) is.close(); } catch (IOException e) { } try { if (baos != null) baos.close(); } catch (IOException e) { } conn.disconnect(); } return null ; } /** * 向指定 URL 发送POST方法的请求 * * @param url * 发送请求的 URL * @param param * 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。 * @return 所代表远程资源的响应结果 * @throws Exception */ public static String doPost(String url, String param) { PrintWriter out = null; BufferedReader in = null; String result = ""; try { URL realUrl = new URL(url); // 打开和URL之间的连接 HttpURLConnection conn = (HttpURLConnection) realUrl .openConnection(); // 设置通用的请求属性 conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setRequestProperty("charset", "utf-8"); conn.setUseCaches(false); // 发送POST请求必须设置如下两行 conn.setDoOutput(true); conn.setDoInput(true); conn.setReadTimeout(TIMEOUT_IN_MILLIONS); conn.setConnectTimeout(TIMEOUT_IN_MILLIONS); if (param != null && !param.trim().equals("")) { // 获取URLConnection对象对应的输出流 out = new PrintWriter(conn.getOutputStream()); // 发送请求参数 out.print(param); // flush输出流的缓冲 out.flush(); } // 定义BufferedReader输入流来读取URL的响应 in = new BufferedReader( new InputStreamReader(conn.getInputStream())); String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { e.printStackTrace(); } // 使用finally块来关闭输出流、输入流 finally { try { if (out != null) { out.close(); } if (in != null) { in.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return result; } } SharePreferences存储
public class PreferencesUtils { public static String PREFERENCE_NAME = "Sys_info"; private PreferencesUtils() { throw new AssertionError(); } public static boolean putString(Context context, String key, String value) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); editor.putString(key, value); return editor.commit(); } public static String getString(Context context, String key) { return getString(context, key, null); } public static String getString(Context context, String key, String defaultValue) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getString(key, defaultValue); } public static boolean putInt(Context context, String key, int value) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); editor.putInt(key, value); return editor.commit(); } public static int getInt(Context context, String key) { return getInt(context, key, -1); } public static int getInt(Context context, String key, int defaultValue) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getInt(key, defaultValue); } public static boolean putLong(Context context, String key, long value) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); editor.putLong(key, value); return editor.commit(); } public static long getLong(Context context, String key) { return getLong(context, key, -1); } public static long getLong(Context context, String key, long defaultValue) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getLong(key, defaultValue); } public static boolean putFloat(Context context, String key, float value) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); editor.putFloat(key, value); return editor.commit(); } public static float getFloat(Context context, String key) { return getFloat(context, key, -1); } public static float getFloat(Context context, String key, float defaultValue) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getFloat(key, defaultValue); } public static boolean putBoolean(Context context, String key, boolean value) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences.Editor editor = settings.edit(); editor.putBoolean(key, value); return editor.commit(); } public static boolean getBoolean(Context context, String key) { return getBoolean(context, key, false); } public static boolean getBoolean(Context context, String key, boolean defaultValue) { SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); return settings.getBoolean(key, defaultValue); } //是否包含关键字 public static boolean isContainKey(Context context,String filename,String key){ SharedPreferences settings = context.getSharedPreferences(filename, Context.MODE_PRIVATE); return settings.contains(key); }}正则表达式：验证手机号、邮箱、QQ、网址、表单
/** * 使用正则表达式进行表单验证 */public class RegexValidateUtils { static boolean flag = false; static String regex = ""; public static boolean check(String str, String regex) { try { Pattern pattern = Pattern.compile(regex); Matcher matcher = pattern.matcher(str); flag = matcher.matches(); } catch (Exception e) { flag = false; } return flag; } /** * 验证非空 * @return */ public static boolean checkNotEmputy(String notEmputy) { regex = "^\\s*$"; return check(notEmputy, regex) ? false : true; } /** * 验证邮箱 * * @param email * @return */ public static boolean checkEmail(String email) { String regex = "^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$"; return check(email, regex); } /** * 验证手机号码 * <p> * 移动号码段:139、138、137、136、135、134、150、151、152、157、158、159、182、183、187、188、147 * 联通号码段:130、131、132、136、185、186、145 电信号码段:133、153、180、189 * * @param cellphone * @return */ public static boolean checkCellphone(String cellphone) { String regex = "^((13[0-9])|(14[5|7])|(15([0-3]|[5-9]))|(18[0,5-9]))\\d{8}$"; return check(cellphone, regex); } /** * 验证固话号码 * * @param telephone * @return */ public static boolean checkTelephone(String telephone) { String regex = "^(0\\d{2}-\\d{8}(-\\d{1,4})?)|(0\\d{3}-\\d{7,8}(-\\d{1,4})?)$"; return check(telephone, regex); } /** * 验证传真号码 * * @param fax * @return */ public static boolean checkFax(String fax) { String regex = "^(0\\d{2}-\\d{8}(-\\d{1,4})?)|(0\\d{3}-\\d{7,8}(-\\d{1,4})?)$"; return check(fax, regex); } /** * 验证QQ号码 * * @param QQ * @return */ public static boolean checkQQ(String QQ) { String regex = "^[1-9][0-9]{4,}$"; return check(QQ, regex); } /** * 验证网址 * @param keyword * @return */ public static boolean checkUrl(String keyword){ String domainRules = "com.cn|net.cn|org.cn|gov.cn|com.hk|公司|中国|网络|com|net|org|int|edu|gov|mil|arpa|Asia|biz|info|name|pro|coop|aero|museum|ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cf|cg|ch|ci|ck|cl|cm|cn|co|cq|cr|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|ee|eg|eh|es|et|ev|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gp|gr|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|ml|mm|mn|mo|mp|mq|mr|ms|mt|mv|mw|mx|my|mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|us|uy|va|vc|ve|vg|vn|vu|wf|ws|ye|yu|za|zm|zr|zw"; String regex = "^((https|http|ftp|rtsp|mms)?://)" + "?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?" //ftp的user@ + "(([0-9]{1,3}\\.){3}[0-9]{1,3}" // IP形式的URL- 199.194.52.184 + "|" // 允许IP和DOMAIN（域名） + "(([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]+\\.)?" // 域名- www. + "([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\\." // 二级域名 + "("+domainRules+"))" // first level domain- .com or .museum + "(:[0-9]{1,4})?" // 端口- :80 + "((/?)|" // a slash isn't required if there is no file name + "(/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+/?)$"; Pattern pattern = Pattern.compile(regex); Matcher isUrl = pattern.matcher(keyword.toLowerCase()); return isUrl.matches(); }SD卡相关辅助类
/** * SD卡相关的辅助类 * * @author zhy */public class SDCardUtils { private SDCardUtils() { /* cannot be instantiated */ throw new UnsupportedOperationException("cannot be instantiated"); } /** * 判断SDCard是否可用 * * @return */ public static boolean isSDCardEnable() { return Environment.getExternalStorageState().equals( Environment.MEDIA_MOUNTED); } /** * 获取SD卡路径 * TODO * 新修改 * * @return */ public static String getSDCardPath() { String result = Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator; return result = result.contains("0") ? result.replace("0", "legacy") : result;// return Environment.getExternalStorageDirectory().getAbsolutePath()// + File.separator; } /** * @param context 磁盘缓存地址 * @return */ public static File getDiskCacheDir() { String filePath = "dugu" + File.separator + "cache"; String saveAddress = SDCardUtils.getSavePath(filePath); File dir = new File(saveAddress + File.separator); if (!dir.exists()) { dir.mkdirs(); } return dir; } /** * 文件保存路径 * * @param filePath * @return */ public static String getSavePath(String filePath) { return File.separator + "mnt" + File.separator + "sdcard" + File.separator + filePath; } /** * 从httpurl路径中截取文件的文件名 * * @param url * @return */ public static String getFileName(String url) { return url.substring(url.lastIndexOf("/") + 1); } /** * 获取SD卡的剩余容量 单位byte * * @return */ public static long getSDCardAllSize() { if (isSDCardEnable()) { StatFs stat = new StatFs(getSDCardPath()); // 获取空闲的数据块的数量 long availableBlocks = (long) stat.getAvailableBlocks() - 4; // 获取单个数据块的大小（byte） long freeBlocks = stat.getAvailableBlocks(); return freeBlocks * availableBlocks; } return 0; } /** * 获取指定路径所在空间的剩余可用容量字节数，单位byte * * @param filePath * @return 容量字节 SDCard可用空间，内部存储可用空间 */ public static long getFreeBytes(String filePath) { // 如果是sd卡的下的路径，则获取sd卡可用容量 if (filePath.startsWith(getSDCardPath())) { filePath = getSDCardPath(); } else {// 如果是内部存储的路径，则获取内存存储的可用容量 filePath = Environment.getDataDirectory().getAbsolutePath(); } StatFs stat = new StatFs(filePath); long availableBlocks = (long) stat.getAvailableBlocks() - 4; return stat.getBlockSize() * availableBlocks; } /** * 获取系统存储路径 * * @return */ public static String getRootDirectoryPath() { return Environment.getRootDirectory().getAbsolutePath(); }}String工具、编码转换
public class StringUtils { private StringUtils() { throw new AssertionError(); } public static boolean isBlank(String str) { return (str == null || str.trim().length() == 0); } public static boolean isEmpty(CharSequence str) { return (str == null || str.length() == 0); } public static boolean isEquals(String actual, String expected) { return ObjectUtils.isEquals(actual, expected); } public static String nullStrToEmpty(Object str) { return (str == null ? "" : (str instanceof String ? (String)str : str.toString())); } public static String capitalizeFirstLetter(String str) { if (isEmpty(str)) { return str; } char c = str.charAt(0); return (!Character.isLetter(c) || Character.isUpperCase(c)) ? str : new StringBuilder(str.length()) .append(Character.toUpperCase(c)).append(str.substring(1)).toString(); } public static String utf8Encode(String str) { if (!isEmpty(str) && str.getBytes().length != str.length()) { try { return URLEncoder.encode(str, "UTF-8"); } catch (UnsupportedEncodingException e) { throw new RuntimeException("UnsupportedEncodingException occurred. ", e); } } return str; } public static String utf8Encode(String str, String defultReturn) { if (!isEmpty(str) && str.getBytes().length != str.length()) { try { return URLEncoder.encode(str, "UTF-8"); } catch (UnsupportedEncodingException e) { return defultReturn; } } return str; } public static String getHrefInnerHtml(String href) { if (isEmpty(href)) { return ""; } String hrefReg = ".*<[\\s]*a[\\s]*.*>(.+?)<[\\s]*/a[\\s]*>.*"; Pattern hrefPattern = Pattern.compile(hrefReg, Pattern.CASE_INSENSITIVE); Matcher hrefMatcher = hrefPattern.matcher(href); if (hrefMatcher.matches()) { return hrefMatcher.group(1); } return href; } public static String htmlEscapeCharsToString(String source) { return StringUtils.isEmpty(source) ? source : source.replaceAll("<", "<").replaceAll(">", ">") .replaceAll("&", "&").replaceAll(""", "\""); } public static String fullWidthToHalfWidth(String s) { if (isEmpty(s)) { return s; } char[] source = s.toCharArray(); for (int i = 0; i < source.length; i++) { if (source[i] == 12288) { source[i] = ' '; // } else if (source[i] == 12290) { // source[i] = '.'; } else if (source[i] >= 65281 && source[i] <= 65374) { source[i] = (char)(source[i] - 65248); } else { source[i] = source[i]; } } return new String(source); } public static String halfWidthToFullWidth(String s) { if (isEmpty(s)) { return s; } char[] source = s.toCharArray(); for (int i = 0; i < source.length; i++) { if (source[i] == ' ') { source[i] = (char)12288; // } else if (source[i] == '.') { // source[i] = (char)12290; } else if (source[i] >= 33 && source[i] <= 126) { source[i] = (char)(source[i] + 65248); } else { source[i] = source[i]; } } return new String(source); } /** * 通过url获取名称 * * @param url * @return */ public static String getNameByURL(String url) { return url.substring(url.lastIndexOf("/") + 1); }}时间、日期工具类
public class TimeUtils { public static String FORMAT_YMDHMS = "yyyy-MM-dd HH:mm:ss"; public static String FORMAT_YMD = "yyyy-MM-dd"; public static void CheckUpdateTask(Activity mContext) { long current = System.currentTimeMillis(); Date date = new Date(current); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String currentStr = sdf.format(date); String last = PreferencesUtils.getString(mContext, "lastchek"); KJLoger.debug("上次检测版本时间 = " + last); if (StringUtils.isEmpty(last)) { PreferencesUtils.putString(mContext,"lastchek",currentStr); UpdateCheckerUtils.isTip = false; UpdateCheckerUtils.checkForDialog(mContext, mContext.getString(R.string.check_version_url)); return; } else { Date lastDate = null; long lastTimestamp = 0; int hours = 0; try { lastDate = sdf.parse(last); lastTimestamp = lastDate.getTime(); hours = (int) (current - lastTimestamp) / 3600 / 1000; } catch (ParseException e) { e.printStackTrace(); } KJLoger.debug("相隔时间 = " + hours); if (hours >= 24) { PreferencesUtils.putString(mContext,"lastchek",currentStr); UpdateCheckerUtils.isTip = false; UpdateCheckerUtils.checkForDialog(mContext, mContext.getString(R.string.check_version_url)); } } } /** * 时间戳转换成日期格式字符串 * * @param seconds 精确到秒的字符串 * @return */ public static String timeStamp2Date(String seconds, String format) { if (seconds == null || seconds.isEmpty() || seconds.equals("null")) { return ""; } if (format == null || format.isEmpty()) format = "yyyy-MM-dd HH:mm:ss"; SimpleDateFormat sdf = new SimpleDateFormat(format); return sdf.format(new Date(Long.valueOf(seconds + "000"))); } /** * 日期格式字符串转换成时间戳 * * @param format 如：yyyy-MM-dd HH:mm:ss * @return */ public static String date2TimeStamp(String date_str, String format) { try { SimpleDateFormat sdf = new SimpleDateFormat(format); return String.valueOf(sdf.parse(date_str).getTime() / 1000); } catch (Exception e) { e.printStackTrace(); } return ""; } /** * 取得当前时间戳（精确到秒） * * @return */ public static String timeStamp() { long time = System.currentTimeMillis(); String t = String.valueOf(time / 1000); return t; }// 其实就是将毫秒数转换为日期// 具体方法 /** * 把毫秒转化成日期 * @param dateFormat(日期格式，例如：MM/ dd/yyyy HH:mm:ss) * @param millSec(毫秒数) * @return */ public static String transferLongToDate(String dateFormat,Long millSec){ SimpleDateFormat sdf = new SimpleDateFormat(dateFormat); Date date= new Date(millSec); return sdf.format(date); } public static String getDateStr(long millis) { Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(millis); Formatter ft=new Formatter(Locale.CHINA); return ft.format("%1$tY年%1$tm月%1$td日%1$tA，%1$tT %1$tp", cal).toString(); } // formatType格式为yyyy-MM-dd HH:mm:ss//yyyy年MM月dd日 HH时mm分ss秒 // data Date类型的时间 public static String dateToString(Date data, String formatType) { return new SimpleDateFormat(formatType).format(data); } // currentTime要转换的long类型的时间 // formatType要转换的时间格式yyyy-MM-dd HH:mm:ss//yyyy年MM月dd日 HH时mm分ss秒 public Date longToDate(long currentTime, String formatType) throws ParseException { Date dateOld = new Date(currentTime); // 根据long类型的毫秒数生命一个date类型的时间 String sDateTime = dateToString(dateOld, formatType); // 把date类型的时间转换为string Date date = stringToDate(sDateTime, formatType); // 把String类型转换为Date类型 return date; } // strTime要转换的string类型的时间，formatType要转换的格式yyyy-MM-dd HH:mm:ss//yyyy年MM月dd日 // HH时mm分ss秒， // strTime的时间格式必须要与formatType的时间格式相同 public static Date stringToDate(String strTime, String formatType) throws ParseException { SimpleDateFormat formatter = new SimpleDateFormat(formatType); Date date = null; try { date = formatter.parse(strTime); } catch (java.text.ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } return date; } //TJ:工具类 //LS:获取当前时间 年 月 日 public static String Utils_getDatas() { SimpleDateFormat formatter = new SimpleDateFormat("yy-MM-dd"); Date curDate = new Date(System.currentTimeMillis());//获取当前时间 String str = formatter.format(curDate); return str; } //TJ:工具类 //LS:获取当前时间 年 月 日 public static String Utils_getDatas2() { SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); Date curDate = new Date(System.currentTimeMillis());//获取当前时间 String str = formatter.format(curDate); return str; } /** * 通过Calendar类的日期比较。注意： 日期是跨年份的，如一个是2012年，一个是2015年的 年份是分闰年和平年的，各自的天数不同 * date2比date1多的天数 * @param date1 * @param date2 * @return * * 只是通过日期来进行比较两个日期的相差天数的比较，没有精确到相差到一天的时间。 * 只是纯粹通过日期（年月日）来比较。 */ public static int differentDays(Date date1,Date date2) { Calendar cal1 = Calendar.getInstance(); cal1.setTime(date1); Calendar cal2 = Calendar.getInstance(); cal2.setTime(date2); int day1= cal1.get(Calendar.DAY_OF_YEAR); int day2 = cal2.get(Calendar.DAY_OF_YEAR); int year1 = cal1.get(Calendar.YEAR); int year2 = cal2.get(Calendar.YEAR); if(year1 != year2) //同一年 { int timeDistance = 0 ; for(int i = year1 ; i < year2 ; i ++) { if(i%4==0 && i%100!=0 || i%400==0) //闰年 { timeDistance += 366; } else //不是闰年 { timeDistance += 365; } } return timeDistance + (day2-day1) ; } else //不同年 { System.out.println("判断day2 - day1 : " + (day2-day1)); return day2-day1; } } /**直接通过计算两个日期的毫秒数，他们的差除以一天的毫秒数， * 即可得到我们想要的两个日期相差的天数。 * * 通过时间秒毫秒数判断两个时间的间隔 * @param date1 * @param date2 * @return * * 是通过计算两个日期相差的毫秒数来计算两个日期的天数差的。 * 注意：当他们相差是23个小时的时候，它就不算一天了。 */ public static int differentDaysByMillisecond(Date date1,Date date2) { int days = (int) ((date2.getTime() - date1.getTime()) / (1000*3600*24)); return days; }}避免短时间内按钮重复点击操作
/** * 避免短时间内重复点击 * @return */ private static long lastClickTime; public static boolean isFastDoubleClick() { long time = System.currentTimeMillis(); long timeD = time - lastClickTime; if ( 0 < timeD && timeD < 2000) { return true; } lastClickTime = time; return false; }吐司（Toast）工具类
public class ToastUtils { private ToastUtils() { throw new AssertionError(); } public static void show(Context context, int resId) { show(context, context.getResources().getText(resId), Toast.LENGTH_SHORT); } public static void show(Context context, int resId, int duration) { show(context, context.getResources().getText(resId), duration); } public static void show(Context context, CharSequence text) { show(context, text, Toast.LENGTH_SHORT); } public static void show(Context context, CharSequence text, int duration) { Toast.makeText(context, text, duration).show(); } public static void show(Context context, int resId, Object... args) { show(context, String.format(context.getResources().getString(resId), args), Toast.LENGTH_SHORT); } public static void show(Context context, String format, Object... args) { show(context, String.format(format, args), Toast.LENGTH_SHORT); } public static void show(Context context, int resId, int duration, Object... args) { show(context, String.format(context.getResources().getString(resId), args), duration); } public static void show(Context context, String format, int duration, Object... args) { show(context, String.format(format, args), duration); }}图片工具类
public class Tools { /** * 检查SDCard * * @return */ public static boolean hasSdcard() { String state = Environment.getExternalStorageState(); if (state.equals(Environment.MEDIA_MOUNTED)) { return true; } else { return false; } } /** * 压缩图片 * * @return */ public static byte[] decodeBitmap(String path) { BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inJustDecodeBounds = true;// 设置成了true,不占用内存，只获取bitmap宽高 BitmapFactory.decodeFile(path, opts); opts.inSampleSize = computeSampleSize(opts, -1, 1024 * 800); opts.inJustDecodeBounds = false;// 这里一定要将其设置回false，因为之前我们将其设置成了true opts.inPurgeable = true; opts.inInputShareable = true; opts.inDither = false; opts.inPurgeable = true; opts.inTempStorage = new byte[16 * 1024]; FileInputStream is = null; Bitmap bmp = null; ByteArrayOutputStream baos = null; try { is = new FileInputStream(path); bmp = BitmapFactory.decodeFileDescriptor(is.getFD(), null, opts); double scale = getScaling(opts.outWidth * opts.outHeight, 1024 * 600); Bitmap bmp2 = Bitmap.createScaledBitmap(bmp, (int) (opts.outWidth * scale), (int) (opts.outHeight * scale), true); bmp.recycle(); baos = new ByteArrayOutputStream(); bmp2.compress(CompressFormat.JPEG, 100, baos); bmp2.recycle(); return baos.toByteArray(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { try { is.close(); baos.close(); } catch (IOException e) { e.printStackTrace(); } System.gc(); } return baos.toByteArray(); } private static double getScaling(int src, int des) { /** * 48 目标尺寸÷原尺寸 sqrt开方，得出宽高百分比 49 */ double scale = Math.sqrt((double) des / (double) src); return scale; } public static int computeSampleSize(BitmapFactory.Options options, int minSideLength, int maxNumOfPixels) { int initialSize = computeInitialSampleSize(options, minSideLength, maxNumOfPixels); int roundedSize; if (initialSize <= 8) { roundedSize = 1; while (roundedSize < initialSize) { roundedSize <<= 1; } } else { roundedSize = (initialSize + 7) / 8 * 8; } return roundedSize; } private static int computeInitialSampleSize(BitmapFactory.Options options, int minSideLength, int maxNumOfPixels) { double w = options.outWidth; double h = options.outHeight; int lowerBound = (maxNumOfPixels == -1) ? 1 : (int) Math.ceil(Math .sqrt(w * h / maxNumOfPixels)); int upperBound = (minSideLength == -1) ? 128 : (int) Math.min( Math.floor(w / minSideLength), Math.floor(h / minSideLength)); if (upperBound < lowerBound) { return lowerBound; } if ((maxNumOfPixels == -1) && (minSideLength == -1)) { return 1; } else if (minSideLength == -1) { return lowerBound; } else { return upperBound; } } // 压缩图片 public static Bitmap getSmallBitmap(String filePath) { final BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeFile(filePath, options); // Calculate inSampleSize options.inSampleSize = calculateInSampleSize(options, 400, 400); // Decode bitmap with inSampleSize set options.inJustDecodeBounds = false; Bitmap bm = BitmapFactory.decodeFile(filePath, options); if (bm == null) { return null; } int degree = readPictureDegree(filePath); bm = rotateBitmap(bm, degree); ByteArrayOutputStream baos = null; try { baos = new ByteArrayOutputStream(); bm.compress(CompressFormat.JPEG, 80, baos); } finally { try { if (baos != null) baos.close(); } catch (IOException e) { e.printStackTrace(); } } return bm; } private static Bitmap rotateBitmap(Bitmap bitmap, int rotate) { if (bitmap == null) return null; int w = bitmap.getWidth(); int h = bitmap.getHeight(); // Setting post rotate to 90 Matrix mtx = new Matrix(); mtx.postRotate(rotate); return Bitmap.createBitmap(bitmap, 0, 0, w, h, mtx, true); } private static int readPictureDegree(String path) { int degree = 0; try { ExifInterface exifInterface = new ExifInterface(path); int orientation = exifInterface.getAttributeInt( ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL); switch (orientation) { case ExifInterface.ORIENTATION_ROTATE_90: degree = 90; break; case ExifInterface.ORIENTATION_ROTATE_180: degree = 180; break; case ExifInterface.ORIENTATION_ROTATE_270: degree = 270; break; } } catch (IOException e) { e.printStackTrace(); } return degree; } private static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) { // Raw height and width of image final int height = options.outHeight; final int width = options.outWidth; int inSampleSize = 1; if (height > reqHeight || width > reqWidth) { final int heightRatio = Math.round((float) height / (float) reqHeight); final int widthRatio = Math.round((float) width / (float) reqWidth); inSampleSize = heightRatio < widthRatio ? widthRatio : heightRatio; } return inSampleSize; } /** * 下载图片 */ public static void saveImageToGallery(Context context, Bitmap bmp) { File file; // 首先保存图片 File appDir = new File(Environment.getExternalStorageDirectory(), "xiaoshuidi"); if (!appDir.exists()) { appDir.mkdir(); } String fileName = System.currentTimeMillis() + ".jpg"; file = new File(appDir, fileName); try { FileOutputStream fos = new FileOutputStream(file); bmp.compress(CompressFormat.JPEG, 100, fos); fos.flush(); fos.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } // 其次把文件插入到系统图库 try { MediaStore.Images.Media.insertImage(context.getContentResolver(), file.getAbsolutePath(), fileName, null); ToastUtils.show(context, "下载成功"); } catch (FileNotFoundException e) { e.printStackTrace(); ToastUtils.show(context, "下载失败"); } finally { bmp.recycle(); } // 最后通知图库更新 context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(file))); }unicode 和中文： 互转编码
//LS:添加 的中文 和 unicode 相互转化 public static String unicodeToCn(String unicode) { //LS: unicode 转中文 /** 以 \ u 分割，因为java注释也能识别unicode，因此中间加了一个空格*/ String[] strs = unicode.split("\\\\u"); String returnStr = ""; // 由于unicode字符串以 \ u 开头，因此分割出的第一个字符是""。 for (int i = 1; i < strs.length; i++) { returnStr += (char) Integer.valueOf(strs[i], 16).intValue(); } return returnStr; } public static String cnToUnicode(String cn) {//LS:中文转 unicode char[] chars = cn.toCharArray(); String returnStr = ""; for (int i = 0; i < chars.length; i++) { returnStr += "\\u" + Integer.toString(chars[i], 16); } return returnStr; }视频毫秒转：时、分、秒
//设置时间 public static String setTime(long total) { long hour = total / (1000 * 60 * 60); long letf1 = total % (1000 * 60 * 60); long minute = letf1 / (1000 * 60); long left2 = letf1 % (1000 * 60); long second = left2 / 1000; return hour + "'" + minute + "'" + second + "''"; }byte(字节)根据长度转成kb(千字节)和mb(兆字节）
/** * byte(字节)根据长度转成kb(千字节)和mb(兆字节) * * @param bytes * @return */ public static String bytes2kb(long bytes) { BigDecimal filesize = new BigDecimal(bytes); BigDecimal megabyte = new BigDecimal(1024 * 1024); BigDecimal megabyteGB = new BigDecimal(1024 * 1024*1024); float returnValue = filesize.divide(megabyte, 2, BigDecimal.ROUND_UP) //LS:2：表示是小数点后面的位数； BigDecimal.ROUND_UP：表示四舍五入 .floatValue(); float returnValueGB = filesize.divide(megabyteGB, 2, BigDecimal.ROUND_UP) //LS:2：表示是小数点后面的位数； BigDecimal.ROUND_UP：表示四舍五入 .floatValue(); if(returnValueGB > 1){ returnValue = returnValueGB; return (returnValue + "GB"); } else if (returnValue > 1) {return (returnValue + "MB");} BigDecimal kilobyte = new BigDecimal(1024); returnValue = filesize.divide(kilobyte, 2, BigDecimal.ROUND_UP) .floatValue(); return (returnValue + "KB"); }获取手机唯一码：IMEI+MAC
/** * TJ:IMEI+MAC * 获取设备唯一码，并用MD5加密 *摘掉了加密操作：SHA不可逆 * @param con * @return */ public static String getDeviceKey(Context con) { WifiManager wm = (WifiManager) con.getSystemService(Context.WIFI_SERVICE); String m_szWLANMAC = wm.getConnectionInfo().getMacAddress(); if (m_szWLANMAC == null) { m_szWLANMAC = ""; } TelephonyManager TelephonyMgr = (TelephonyManager) con.getSystemService(con.TELEPHONY_SERVICE); String szImei = TelephonyMgr.getDeviceId(); if (szImei == null) { szImei = ""; } String getNewNum = null; try { getNewNum = szImei + m_szWLANMAC;//摘掉了加密操作：SHA不可逆 } catch (Exception e) { e.printStackTrace(); } return getNewNum; }身份证工具类
/** * 身份证工具类 */public class IdcardUtils { /** 中国公民身份证号码最小长度。 */ public static final int CHINA_ID_MIN_LENGTH = 15; /** 中国公民身份证号码最大长度。 */ public static final int CHINA_ID_MAX_LENGTH = 18; /** 省、直辖市代码表 */ public static final String cityCode[] = { "11", "12", "13", "14", "15", "21", "22", "23", "31", "32", "33", "34", "35", "36", "37", "41", "42", "43", "44", "45", "46", "50", "51", "52", "53", "54", "61", "62", "63", "64", "65", "71", "81", "82", "91" }; /** 每位加权因子 */ public static final int power[] = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 }; /** 第18位校检码 */ public static final String verifyCode[] = { "1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2" }; /** 最低年限 */ public static final int MIN = 1930; public static Map<String, String> cityCodes = new HashMap<String, String>(); /** 台湾身份首字母对应数字 */ public static Map<String, Integer> twFirstCode = new HashMap<String, Integer>(); /** 香港身份首字母对应数字 */ public static Map<String, Integer> hkFirstCode = new HashMap<String, Integer>(); static { cityCodes.put("11", "北京"); cityCodes.put("12", "天津"); cityCodes.put("13", "河北"); cityCodes.put("14", "山西"); cityCodes.put("15", "内蒙古"); cityCodes.put("21", "辽宁"); cityCodes.put("22", "吉林"); cityCodes.put("23", "黑龙江"); cityCodes.put("31", "上海"); cityCodes.put("32", "江苏"); cityCodes.put("33", "浙江"); cityCodes.put("34", "安徽"); cityCodes.put("35", "福建"); cityCodes.put("36", "江西"); cityCodes.put("37", "山东"); cityCodes.put("41", "河南"); cityCodes.put("42", "湖北"); cityCodes.put("43", "湖南"); cityCodes.put("44", "广东"); cityCodes.put("45", "广西"); cityCodes.put("46", "海南"); cityCodes.put("50", "重庆"); cityCodes.put("51", "四川"); cityCodes.put("52", "贵州"); cityCodes.put("53", "云南"); cityCodes.put("54", "西藏"); cityCodes.put("61", "陕西"); cityCodes.put("62", "甘肃"); cityCodes.put("63", "青海"); cityCodes.put("64", "宁夏"); cityCodes.put("65", "新疆"); cityCodes.put("71", "台湾"); cityCodes.put("81", "香港"); cityCodes.put("82", "澳门"); cityCodes.put("91", "国外"); twFirstCode.put("A", 10); twFirstCode.put("B", 11); twFirstCode.put("C", 12); twFirstCode.put("D", 13); twFirstCode.put("E", 14); twFirstCode.put("F", 15); twFirstCode.put("G", 16); twFirstCode.put("H", 17); twFirstCode.put("J", 18); twFirstCode.put("K", 19); twFirstCode.put("L", 20); twFirstCode.put("M", 21); twFirstCode.put("N", 22); twFirstCode.put("P", 23); twFirstCode.put("Q", 24); twFirstCode.put("R", 25); twFirstCode.put("S", 26); twFirstCode.put("T", 27); twFirstCode.put("U", 28); twFirstCode.put("V", 29); twFirstCode.put("X", 30); twFirstCode.put("Y", 31); twFirstCode.put("W", 32); twFirstCode.put("Z", 33); twFirstCode.put("I", 34); twFirstCode.put("O", 35); hkFirstCode.put("A", 1); hkFirstCode.put("B", 2); hkFirstCode.put("C", 3); hkFirstCode.put("R", 18); hkFirstCode.put("U", 21); hkFirstCode.put("Z", 26); hkFirstCode.put("X", 24); hkFirstCode.put("W", 23); hkFirstCode.put("O", 15); hkFirstCode.put("N", 14); } /** * 将15位身份证号码转换为18位 * * @param idCard * 15位身份编码 * @return 18位身份编码 */ public static String conver15CardTo18(String idCard) { String idCard18 = ""; if (idCard.length() != CHINA_ID_MIN_LENGTH) { return null; } if (isNum(idCard)) { // 获取出生年月日 String birthday = idCard.substring(6, 12); Date birthDate = null; try { birthDate = new SimpleDateFormat("yyMMdd").parse(birthday); } catch (ParseException e) { e.printStackTrace(); } Calendar cal = Calendar.getInstance(); if (birthDate != null) cal.setTime(birthDate); // 获取出生年(完全表现形式,如：2010) String sYear = String.valueOf(cal.get(Calendar.YEAR)); idCard18 = idCard.substring(0, 6) + sYear + idCard.substring(8); // 转换字符数组 char[] cArr = idCard18.toCharArray(); if (cArr != null) { int[] iCard = converCharToInt(cArr); int iSum17 = getPowerSum(iCard); // 获取校验位 String sVal = getCheckCode18(iSum17); if (sVal.length() > 0) { idCard18 += sVal; } else { return null; } } } else { return null; } return idCard18; } /** * 验证身份证是否合法 */ public static boolean validateCard(String idCard) { String card = idCard.trim(); if (validateIdCard18(card)) { return true; } if (validateIdCard15(card)) { return true; } String[] cardval = validateIdCard10(card); if (cardval != null) { if (cardval[2].equals("true")) { return true; } } return false; } /** * 验证18位身份编码是否合法 * * @param idCard 身份编码 * @return 是否合法 */ public static boolean validateIdCard18(String idCard) { boolean bTrue = false; if (idCard.length() == CHINA_ID_MAX_LENGTH) { // 前17位 String code17 = idCard.substring(0, 17); // 第18位 String code18 = idCard.substring(17, CHINA_ID_MAX_LENGTH); if (isNum(code17)) { char[] cArr = code17.toCharArray(); if (cArr != null) { int[] iCard = converCharToInt(cArr); int iSum17 = getPowerSum(iCard); // 获取校验位 String val = getCheckCode18(iSum17); if (val.length() > 0) { if (val.equalsIgnoreCase(code18)) { bTrue = true; } } } } } return bTrue; } /** * 验证15位身份编码是否合法 * * @param idCard * 身份编码 * @return 是否合法 */ public static boolean validateIdCard15(String idCard) { if (idCard.length() != CHINA_ID_MIN_LENGTH) { return false; } if (isNum(idCard)) { String proCode = idCard.substring(0, 2); if (cityCodes.get(proCode) == null) { return false; } String birthCode = idCard.substring(6, 12); Date birthDate = null; try { birthDate = new SimpleDateFormat("yy").parse(birthCode.substring(0, 2)); } catch (ParseException e) { e.printStackTrace(); } Calendar cal = Calendar.getInstance(); if (birthDate != null) cal.setTime(birthDate); if (!valiDate(cal.get(Calendar.YEAR), Integer.valueOf(birthCode.substring(2, 4)), Integer.valueOf(birthCode.substring(4, 6)))) { return false; } } else { return false; } return true; } /** * 验证10位身份编码是否合法 * * @param idCard 身份编码 * @return 身份证信息数组 * <p> * [0] - 台湾、澳门、香港 [1] - 性别(男M,女F,未知N) [2] - 是否合法(合法true,不合法false) * 若不是身份证件号码则返回null * </p> */ public static String[] validateIdCard10(String idCard) { String[] info = new String[3]; String card = idCard.replaceAll("[\\(|\\)]", ""); if (card.length() != 8 && card.length() != 9 && idCard.length() != 10) { return null; } if (idCard.matches("^[a-zA-Z][0-9]{9}$")) { // 台湾 info[0] = "台湾"; System.out.println("11111"); String char2 = idCard.substring(1, 2); if (char2.equals("1")) { info[1] = "M"; System.out.println("MMMMMMM"); } else if (char2.equals("2")) { info[1] = "F"; System.out.println("FFFFFFF"); } else { info[1] = "N"; info[2] = "false"; System.out.println("NNNN"); return info; } info[2] = validateTWCard(idCard) ? "true" : "false"; } else if (idCard.matches("^[1|5|7][0-9]{6}\\(?[0-9A-Z]\\)?$")) { // 澳门 info[0] = "澳门"; info[1] = "N"; // TODO } else if (idCard.matches("^[A-Z]{1,2}[0-9]{6}\\(?[0-9A]\\)?$")) { // 香港 info[0] = "香港"; info[1] = "N"; info[2] = validateHKCard(idCard) ? "true" : "false"; } else { return null; } return info; } /** * 验证台湾身份证号码 * * @param idCard * 身份证号码 * @return 验证码是否符合 */ public static boolean validateTWCard(String idCard) { String start = idCard.substring(0, 1); String mid = idCard.substring(1, 9); String end = idCard.substring(9, 10); Integer iStart = twFirstCode.get(start); Integer sum = iStart / 10 + (iStart % 10) * 9; char[] chars = mid.toCharArray(); Integer iflag = 8; for (char c : chars) { sum = sum + Integer.valueOf(c + "") * iflag; iflag--; } return (sum % 10 == 0 ? 0 : (10 - sum % 10)) == Integer.valueOf(end) ? true : false; } /** * 验证香港身份证号码(存在Bug，部份特殊身份证无法检查) * <p> * 身份证前2位为英文字符，如果只出现一个英文字符则表示第一位是空格，对应数字58 前2位英文字符A-Z分别对应数字10-35 * 最后一位校验码为0-9的数字加上字符"A"，"A"代表10 * </p> * <p> * 将身份证号码全部转换为数字，分别对应乘9-1相加的总和，整除11则证件号码有效 * </p> * * @param idCard 身份证号码 * @return 验证码是否符合 */ public static boolean validateHKCard(String idCard) { String card = idCard.replaceAll("[\\(|\\)]", ""); Integer sum = 0; if (card.length() == 9) { sum = (Integer.valueOf(card.substring(0, 1).toUpperCase().toCharArray()[0]) - 55) * 9 + (Integer.valueOf(card.substring(1, 2).toUpperCase().toCharArray()[0]) - 55) * 8; card = card.substring(1, 9); } else { sum = 522 + (Integer.valueOf(card.substring(0, 1).toUpperCase().toCharArray()[0]) - 55) * 8; } String mid = card.substring(1, 7); String end = card.substring(7, 8); char[] chars = mid.toCharArray(); Integer iflag = 7; for (char c : chars) { sum = sum + Integer.valueOf(c + "") * iflag; iflag--; } if (end.toUpperCase().equals("A")) { sum = sum + 10; } else { sum = sum + Integer.valueOf(end); } return (sum % 11 == 0) ? true : false; } /** * 将字符数组转换成数字数组 * * @param ca * 字符数组 * @return 数字数组 */ public static int[] converCharToInt(char[] ca) { int len = ca.length; int[] iArr = new int[len]; try { for (int i = 0; i < len; i++) { iArr[i] = Integer.parseInt(String.valueOf(ca[i])); } } catch (NumberFormatException e) { e.printStackTrace(); } return iArr; } /** * 将身份证的每位和对应位的加权因子相乘之后，再得到和值 * * @param iArr * @return 身份证编码。 */ public static int getPowerSum(int[] iArr) { int iSum = 0; if (power.length == iArr.length) { for (int i = 0; i < iArr.length; i++) { for (int j = 0; j < power.length; j++) { if (i == j) { iSum = iSum + iArr[i] * power[j]; } } } } return iSum; } /** * 将power和值与11取模获得余数进行校验码判断 * * @param iSum * @return 校验位 */ public static String getCheckCode18(int iSum) { String sCode = ""; switch (iSum % 11) { case 10: sCode = "2"; break; case 9: sCode = "3"; break; case 8: sCode = "4"; break; case 7: sCode = "5"; break; case 6: sCode = "6"; break; case 5: sCode = "7"; break; case 4: sCode = "8"; break; case 3: sCode = "9"; break; case 2: sCode = "x"; break; case 1: sCode = "0"; break; case 0: sCode = "1"; break; } return sCode; } /** * 根据身份编号获取年龄 * * @param idCard * 身份编号 * @return 年龄 */ public static int getAgeByIdCard(String idCard) { int iAge = 0; if (idCard.length() == CHINA_ID_MIN_LENGTH) { idCard = conver15CardTo18(idCard); } String year = idCard.substring(6, 10); Calendar cal = Calendar.getInstance(); int iCurrYear = cal.get(Calendar.YEAR); iAge = iCurrYear - Integer.valueOf(year); return iAge; } /** * 根据身份编号获取生日 * * @param idCard 身份编号 * @return 生日(yyyyMMdd) */ public static String getBirthByIdCard(String idCard) { Integer len = idCard.length(); if (len < CHINA_ID_MIN_LENGTH) { return null; } else if (len == CHINA_ID_MIN_LENGTH) { idCard = conver15CardTo18(idCard); } return idCard.substring(6, 14); } /** * 根据身份编号获取生日年 * * @param idCard 身份编号 * @return 生日(yyyy) */ public static Short getYearByIdCard(String idCard) { Integer len = idCard.length(); if (len < CHINA_ID_MIN_LENGTH) { return null; } else if (len == CHINA_ID_MIN_LENGTH) { idCard = conver15CardTo18(idCard); } return Short.valueOf(idCard.substring(6, 10)); } /** * 根据身份编号获取生日月 * * @param idCard * 身份编号 * @return 生日(MM) */ public static Short getMonthByIdCard(String idCard) { Integer len = idCard.length(); if (len < CHINA_ID_MIN_LENGTH) { return null; } else if (len == CHINA_ID_MIN_LENGTH) { idCard = conver15CardTo18(idCard); } return Short.valueOf(idCard.substring(10, 12)); } /** * 根据身份编号获取生日天 * * @param idCard * 身份编号 * @return 生日(dd) */ public static Short getDateByIdCard(String idCard) { Integer len = idCard.length(); if (len < CHINA_ID_MIN_LENGTH) { return null; } else if (len == CHINA_ID_MIN_LENGTH) { idCard = conver15CardTo18(idCard); } return Short.valueOf(idCard.substring(12, 14)); } /** * 根据身份编号获取性别 * * @param idCard 身份编号 * @return 性别(M-男，F-女，N-未知) */ public static String getGenderByIdCard(String idCard) { String sGender = "N"; if (idCard.length() == CHINA_ID_MIN_LENGTH) { idCard = conver15CardTo18(idCard); } String sCardNum = idCard.substring(16, 17); if (Integer.parseInt(sCardNum) % 2 != 0) { sGender = "M"; } else { sGender = "F"; } return sGender; } /** * 根据身份编号获取户籍省份 * * @param idCard 身份编码 * @return 省级编码。 */ public static String getProvinceByIdCard(String idCard) { int len = idCard.length(); String sProvince = null; String sProvinNum = ""; if (len == CHINA_ID_MIN_LENGTH || len == CHINA_ID_MAX_LENGTH) { sProvinNum = idCard.substring(0, 2); } sProvince = cityCodes.get(sProvinNum); return sProvince; } /** * 数字验证 * * @param val * @return 提取的数字。 */ public static boolean isNum(String val) { return val == null || "".equals(val) ? false : val.matches("^[0-9]*$"); } /** * 验证小于当前日期 是否有效 * * @param iYear * 待验证日期(年) * @param iMonth * 待验证日期(月 1-12) * @param iDate * 待验证日期(日) * @return 是否有效 */ public static boolean valiDate(int iYear, int iMonth, int iDate) { Calendar cal = Calendar.getInstance(); int year = cal.get(Calendar.YEAR); int datePerMonth; if (iYear < MIN || iYear >= year) { return false; } if (iMonth < 1 || iMonth > 12) { return false; } switch (iMonth) { case 4: case 6: case 9: case 11: datePerMonth = 30; break; case 2: boolean dm = ((iYear % 4 == 0 && iYear % 100 != 0) || (iYear % 400 == 0)) && (iYear > MIN && iYear < year); datePerMonth = dm ? 29 : 28; break; default: datePerMonth = 31; } return (iDate >= 1) && (iDate <= datePerMonth); }}持续更新中…欢迎指正学习。
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