数据转换工具类汇总
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数据工具类汇总
public class DataUtil { private static StringBuffer sbTime; private static String now, year, month, day, hour, min, ss; private static SimpleDateFormat sdf = new SimpleDateFormat( "yyyyMMddHHmmssSSS"); private static String resultString = null; private static String resultTrimData = null; public static DecimalFormat df = new DecimalFormat("0.00"); public DataUtil() { } /** * 时间同步 取得当前的时间, 并转为需要的格式: 16进制String并以F4开头 */ public static String getTimeFormat() { sbTime = new StringBuffer(); now = null; now = sdf.format(new Date()); year = Integer .toHexString(Integer.parseInt(now.substring(0, 4)) - 1900); now.substring(4, 6); month = Integer.toHexString(Integer.parseInt(now.substring(4, 6))); if (month.length() == 1) month = '0' + month; day = Integer.toHexString(Integer.parseInt(now.substring(6, 8))); if (day.length() == 1) day = '0' + day; hour = Integer.toHexString(Integer.parseInt(now.substring(8, 10))); if (hour.length() == 1) hour = '0' + hour; min = Integer.toHexString(Integer.parseInt(now.substring(10, 12))); if (min.length() == 1) min = '0' + min; ss = Integer.toHexString(Integer.parseInt(now.substring(12, 14))); if (ss.length() == 1) ss = '0' + ss; sbTime.append("F4"); sbTime.append(year); sbTime.append(month); sbTime.append(day); sbTime.append(hour); sbTime.append(min); sbTime.append(ss); sbTime.append("00"); now = sbTime.toString().toUpperCase(); return now; } /** * 取得String字符的前两位 */ public static String getTag(String data) { if (!data.isEmpty()) { resultString = data.substring(0, 2); } return resultString; } /** * 去除String字符中所有的空白符 */ public static String getTrimData(String data) { if (!data.isEmpty()) { resultTrimData = data.replaceAll("\\s*", ""); } return resultTrimData; } /** * byte[]转变为16进制String字符, 每个字节2位, 不足补0 */ public static String getStringByBytes(byte[] bytes) { String result = null; String hex = null; if (bytes != null && bytes.length > 0) { final StringBuilder stringBuilder = new StringBuilder(bytes.length); for (byte byteChar : bytes) { hex = Integer.toHexString(byteChar & 0xFF); if (hex.length() == 1) { hex = '0' + hex; } stringBuilder.append(hex.toUpperCase()); } result = stringBuilder.toString(); } return result; } /** * 把16进制String字符转变为byte[] */ public static byte[] getBytesByString(String data) { byte[] bytes = null; if (data != null) { data = data.toUpperCase(); int length = data.length() / 2; char[] dataChars = data.toCharArray(); bytes = new byte[length]; for (int i = 0; i < length; i++) { int pos = i * 2; bytes[i] = (byte) (charToByte(dataChars[pos]) << 4 | charToByte(dataChars[pos + 1])); } } return bytes; } /** * 取得在16进制字符串中各char所代表的16进制数 */ private static byte charToByte(char c) { return (byte) "0123456789ABCDEF".indexOf(c); } /** * 方法介绍 */ public static void helpInfo() { System.out.println("十进制转成十六进制: Integer.toHexString(int i) "); System.out.println("十六进制转成十进制: Integer.valueOf('FFFF',16).toString() "); } /** * 根据传入的两个double类型的时间戳, 后者比较大, 算出他们之间隔了多少小时 */ public static double getHours(double date1, double date2) { double hours = (date2 - date1) / (1000 * 60 * 60); hours = Double.parseDouble(df.format(hours)); // hours = Math.round((hours * 100) / 100); return hours; } /** * 根据 步数(步), 身高(厘米), 体重(千克), 时间(小时)算出消耗的能量KCal(千卡) kcal = 体重 * 时间 * 指数(k) k * = 30 / 速度( N分钟 / 400米) = 30 / 多少分钟400米 */ public static double getKCal(int step, double height, double weight, double time) { double kcal = 0; // 步幅 = 身高 * 0.45 (米) double stride = (double) (height * 0.45 / 100); // 速度 = 时间(分钟) / (步幅 * 步数(米) / 400) double speed = (time * 60) / (stride * step / 400); // 指数 = 30 / 速度(分钟/400米) double k = 30 / speed; kcal = weight * time * k; kcal = Double.valueOf(df.format(kcal)); return kcal; } /** * * 根据 步数(步), 身高(厘米),步幅(厘米),体重(千克), 时间(小时)算出消耗的能量KCal(千卡) kcal = 体重 * 时间 * 指数(k) k * = 30 / 速度( N分钟 / 400米) = 30 / 多少分钟400米 * @param step * @param height * @param stride * @param weight * @param time * @return */ public static double getKCal(int step, double height, double stride, double weight, double time) { double kcal = 0; // 步幅 = 身高 * 0.45 (米) // double stride = (double) (height * 0.45 / 100); // 速度 = 时间(分钟) / (步幅 * 步数(米) / 400) double speed = (time * 60) / (stride * step / 400); // 指数 = 30 / 速度(分钟/400米) double k = 30 / speed; kcal = weight * time * k; kcal = Double.valueOf(df.format(kcal)); return kcal; } /** * 根据传过来的时间String转成毫秒级的时间数据double型 数据格式可能为2:00:25或者01:25 */ public static long getMillsTime(String time) { long hh, mm, ss; int l = time.length(); if (l <= 5 && l > 0) { hh = 0; mm = Long.valueOf(time.substring(0, 2)); ss = Long.valueOf(time.substring(3, 5)); return (mm * 60 + ss) * 1000; } else if (l == 7) { hh = Long.valueOf(time.substring(0, 1)); mm = Long.valueOf(time.substring(2, 4)); ss = Long.valueOf(time.substring(5, 7)); return (hh * 60 * 60 + mm * 60 + ss) * 1000; } else if (l == 8) { hh = Long.valueOf(time.substring(0, 2)); mm = Long.valueOf(time.substring(3, 5)); ss = Long.valueOf(time.substring(6, 8)); return (hh * 60 * 60 + mm * 60 + ss) * 1000; } else { return 0; } } /** * 根据传入的耗秒数, 转换成为HH:MM:SS的字符串返回 */ public static String getHHMMSS(long time) { String hhmmss = "00:00:00"; StringBuffer bf = new StringBuffer(); long hh = time / 1000 / 60 / 60; long mm = (time % (1000 * 60 * 60)) / 1000 / 60; long ss = ((time % (1000 * 60 * 60)) % (1000 * 60)) / 1000; if (hh < 0) { bf.append("00:"); } else if (hh < 10) { bf.append("0" + hh + ":"); } else { bf.append(hh + ":"); } if (mm < 0) { bf.append("00:"); } else if (mm < 10) { bf.append("0" + mm + ":"); } else { bf.append(mm + ":"); } if (ss < 0) { bf.append("00"); } else if (ss < 10) { bf.append("0" + ss); } else { bf.append(ss); } hhmmss = bf.toString(); System.out.println(hhmmss); return hhmmss; } /** * 根据传入的时间mills和距离(千米)得出速度 */ public static double getSpeed(double mills, double dist) { double hours = 0; hours = (Double) (mills * 0.001 / 60 / 60); if (hours == 0) { return 0; } double speed = dist / hours; speed = Double.valueOf(df.format(speed)); // hours = double.valueOf(df.format(hours)); return speed; } /** * 根据用户传入的身高与步数, 返回用户步行的里程 */ public static String getDisc(String height, String stepCount) { String dist = "0"; double distance_dou = Double.valueOf(stepCount) * Double.valueOf(height) * 0.45 * 0.01 * 0.001; String distance_str = df.format(distance_dou); return distance_str; } /** * 根据传入的当前步数与目标步数，计算完成的百分比 */ public static String getPercent(String currentStep, String targetStep) { double percent = Double.valueOf(currentStep) / Double.valueOf(targetStep) * 100; return df.format(percent); } /** * 根据传入的提醒类型和电话号码，返回字节数组 * * @param remindType * 提醒类型 * @param phoneNumber * 电话号码 * @return */ public static byte[] getBytesForRemind(String remindType, String phoneNumber) { StringBuffer remindStr = new StringBuffer(); // 提醒的类型 String type = Integer.toHexString(Integer.parseInt(remindType, 2)); // 电话号码的位数 String length = Integer.toHexString(phoneNumber.length()); remindStr.append("F1"); remindStr.append(type); remindStr.append("000"); remindStr.append(length.toUpperCase()); // 对座机、手机号码的处理 phoneNumber = (phoneNumber.length() % 2) == 0 ? phoneNumber : phoneNumber + "0"; remindStr.append(phoneNumber); System.out.println("提示数据协议：" + remindStr.toString()); return getBytesByString(remindStr.toString()); } /** * 传入未接电话和未读短信数 * * @param calls * 未接电话数 * @param sms * 未读短信数 * @return 发出信号所需的字节数组 */ public static byte[] getSMS_CALL_Count(int calls, int sms) { StringBuffer sb = new StringBuffer(); String missCall = Integer.toHexString(calls); String unReadSMS = Integer.toHexString(sms); sb.append("FA"); // 拼未接电话数 if (missCall.length() == 1) { sb.append("000"); sb.append(missCall); } else if (missCall.length() == 2) { sb.append("00"); sb.append(missCall); } else if (missCall.length() == 3) { sb.append("0"); sb.append(missCall); } else if (missCall.length() == 4) { sb.append(missCall); } // 拼未读短信数 if (unReadSMS.length() == 1) { sb.append("000"); sb.append(unReadSMS); } else if (unReadSMS.length() == 2) { sb.append("00"); sb.append(unReadSMS); } else if (unReadSMS.length() == 3) { sb.append("0"); sb.append(unReadSMS); } else if (unReadSMS.length() == 4) { sb.append(unReadSMS); } sb.append("000000"); System.out.println("未接电话和未读短信协议：" + sb.toString()); return getBytesByString(sb.toString()); } /** * 根据传入的2个字节4位16进制字符比如FFFF, 计算返回int类型的绝对值 */ public static int hexStringX2bytesToInt(String hexString) { return binaryString2int(hexString2binaryString(hexString)); } /** * 16进制转换为2进制 */ public static String hexString2binaryString(String hexString) { if (hexString == null || hexString.length() % 2 != 0) { return null; } String bString = "", tmp; for (int i = 0; i < hexString.length(); i++) { tmp = "0000" + Integer.toBinaryString(Integer.parseInt( hexString.substring(i, i + 1), 16)); bString += tmp.substring(tmp.length() - 4); } return bString; } /** * 二进制转为10进制 返回int */ public static int binaryString2int(String binarysString) { if (binarysString == null || binarysString.length() % 8 != 0) { return 0; } int result = Integer.valueOf(binarysString, 2); if ("1".equals(binarysString.substring(0, 1))) { System.out.println("这是个负数"); char[] values = binarysString.toCharArray(); for (int i = 0; i < values.length; i++) { if (values[i] == '1') { values[i] = '0'; } else { values[i] = '1'; } } binarysString = String.valueOf(values); result = Integer.valueOf(binarysString, 2) + 1; } return result; } /** * * 二进制转为16进制 */ public static String binaryString2hexString(String bString) { if (bString == null || bString.equals("") || bString.length() % 8 != 0) { return null; } StringBuffer tmp = new StringBuffer(); int iTmp = 0; for (int i = 0; i < bString.length(); i += 4) { iTmp = 0; for (int j = 0; j < 4; j++) { iTmp += Integer.parseInt(bString.substring(i + j, i + j + 1)) << (4 - j - 1); } tmp.append(Integer.toHexString(iTmp)); } return tmp.toString(); } /** * 根据传入的X, Y, Z 算出 x平方 + y平方 + c 平方 的平方根值 */ public static int getXYZsquareRoot(int x, int y, int z) { return (int) Math.sqrt(x * x + y * y + z * z); } /** * 取当前的时间, 返回int型的小时, 比如 23:59:59 返回 23的int */ public static int getCurrentHour() { Calendar c = Calendar.getInstance(); int hour = c.get(Calendar.HOUR_OF_DAY); return hour; } /** * 取得当前的分钟数 * @return */ public static int getCurrentMinute() { Calendar c = Calendar.getInstance(); int minute = c.get(Calendar.MINUTE); return minute; } /** * 取得当前的秒数 */ public static int getCurrentSecond() { Calendar c = Calendar.getInstance(); int minute = c.get(Calendar.SECOND); return minute; } /** * 传入天气及温度的String, 返回协议的bytes[] */ public static byte[] getWeatherInfo(String weather, String temp) { Map<String, String> weatherMap = new HashMap<String, String>(); weatherMap.put("晴", "01"); weatherMap.put("阴", "02"); weatherMap.put("多云", "03"); weatherMap.put("小雨", "04"); weatherMap.put("中雨", "05"); weatherMap.put("小到中雨", "05"); weatherMap.put("大雨", "06"); weatherMap.put("中到大雨", "06"); weatherMap.put("雷阵雨", "07"); weatherMap.put("阵雨", "07"); weatherMap.put("暴雨", "07"); weatherMap.put("大暴雨", "07"); weatherMap.put("特大暴雨", "07"); weatherMap.put("大到暴雨", "07"); weatherMap.put("暴雨到大暴雨", "07"); weatherMap.put("暴雨到特大暴雨", "07"); weatherMap.put("小雪", "08"); weatherMap.put("中雪", "09"); weatherMap.put("小到中雪", "09"); weatherMap.put("大雪", "0A"); weatherMap.put("阵雪", "0A"); weatherMap.put("暴雪", "0A"); weatherMap.put("中到大雪", "0A"); weatherMap.put("大到暴雪", "0A"); weatherMap.put("雨夹雪", "0B"); weatherMap.put("雾", "0C"); weatherMap.put("冰雹", "0D"); weatherMap.put("冻雨", "0D"); weatherMap.put("雷阵雨伴有冰雹", "0E"); weatherMap.put("尘埃", "0F"); weatherMap.put("沙尘暴", "0F"); weatherMap.put("浮尘", "0F"); weatherMap.put("扬沙", "0F"); weatherMap.put("强沙尘暴", "0F"); weatherMap.put("霾", "0F"); weatherMap.put("热带风暴", "10"); weatherMap.put("风", "11"); weatherMap.put("大风", "12"); weatherMap.put("狂风", "13"); weatherMap.put("龙卷风", "14"); weatherMap.put("雷暴", "15"); weatherMap.put("猛烈雷暴", "16"); byte[] bytes = null; StringBuilder sb = new StringBuilder(); sb.append("F2"); // 天气 String weatherCode = weatherMap.get(weather); if (weatherCode != null) { sb.append(weatherCode); } else { sb.append("03"); } // System.out.println("收到的天气是 : " + weather + ", 其转换为代码是 : " + // weatherCode // + "测试天气 : " + weatherMap.get("阵雨")); // 温度单位 Integer intTemp = Integer.valueOf(temp, 10); if (intTemp < 0) { sb.append("40"); } else { sb.append("C0"); } // 温度值 String hexTemp = Integer.toHexString(Math.abs(intTemp)).toString(); sb.append(hexTemp); // 不足补零 sb.append("00000000"); // System.out.println("send weather info : " + sb.toString()); return getBytesByString(sb.toString()); } /** * 根据传入的数，计算返回整百值 * 如传入156，返回200 * @param snore_count * @return */ public static int getMaxbySnorecount(int snore_count){ String str = (snore_count + ""); int length = str.length(); if (length < 3) { return 100; } else { str = str.substring(0, length - 2); int max = (Integer.parseInt(str) + 1) * 100; System.out.println("转换后的max:" + max); return max; } }} 0 0
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