微信开发工具类

1：WeixinUtil.java

import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.UnsupportedEncodingException;import java.net.ConnectException;import java.net.URL;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import java.util.Formatter;import java.util.HashMap;import java.util.Map;import java.util.UUID;import javax.net.ssl.HttpsURLConnection;import javax.net.ssl.SSLContext;import javax.net.ssl.SSLSocketFactory;import javax.net.ssl.TrustManager;import net.sf.json.JSONException;import net.sf.json.JSONObject;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import com.google.gson.Gson;import com.szmsd.entity.AccessAuthor;import com.szmsd.entity.AccessTicket;import com.szmsd.entity.AccessToken;import com.szmsd.platform.constants.Constants;import com.szmsd.platform.util.MyX509TrustManager;public class WeixinUtil {    private static Log logger = LogFactory.getLog(WeixinUtil.class);    // 根据授权获取的code得到openid    public final static String access_openid_url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=APPSECRET&code=CODE&grant_type=authorization_code";    // 获取access_token的接口地址（GET） 限200（次/天）    public final static String access_token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";    // 获取access_ticket的接口地址（GET） 限200（次/天）    public final static String access_ticket_url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi";    /**     * 发起https请求并获取结果     *      * @param requestUrl 请求地址     * @param requestMethod  请求方式（GET、POST）     * @param outputStr 提交的数据     * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)     */    public static JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr) {        JSONObject jsonObject = null;        StringBuffer buffer = new StringBuffer();        try {            // 创建SSLContext对象，并使用我们指定的信任管理器初始化            TrustManager[] tm = { new MyX509TrustManager() };            SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");            sslContext.init(null, tm, new java.security.SecureRandom());            // 从上述SSLContext对象中得到SSLSocketFactory对象            SSLSocketFactory ssf = sslContext.getSocketFactory();            URL url = new URL(requestUrl);            HttpsURLConnection httpUrlConn = (HttpsURLConnection) url                    .openConnection();            httpUrlConn.setSSLSocketFactory(ssf);            httpUrlConn.setDoOutput(true);            httpUrlConn.setDoInput(true);            httpUrlConn.setUseCaches(false);            // 设置请求方式（GET/POST）            httpUrlConn.setRequestMethod(requestMethod);            if ("GET".equalsIgnoreCase(requestMethod)) {                httpUrlConn.connect();            }            // 当有数据需要提交时            if (null != outputStr) {                OutputStream outputStream = httpUrlConn.getOutputStream();                // 注意编码格式，防止中文乱码                outputStream.write(outputStr.getBytes("UTF-8"));                outputStream.close();            }            // 将返回的输入流转换成字符串            InputStream inputStream = httpUrlConn.getInputStream();            InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);            String str = null;            while ((str = bufferedReader.readLine()) != null) {                buffer.append(str);            }            bufferedReader.close();            inputStreamReader.close();            // 释放资源            inputStream.close();            inputStream = null;            httpUrlConn.disconnect();            jsonObject = JSONObject.fromObject(buffer.toString());        } catch (ConnectException ce) {            logger.error("Weixin server connection timed out.");        } catch (Exception e) {            logger.error("https request error:{}", e);        }        return jsonObject;    }    /**     * 获取用户openid     * @param appid     * @param appsecret     * @param code     * @return     */    public static AccessAuthor getAccessAuthor(String appid, String appsecret,String code){        AccessAuthor accessAuthor = null;        String requestUrl = access_openid_url.replace("APPID", appid).replace("APPSECRET", appsecret).replace("CODE", code);        JSONObject jsonObject = httpRequest(requestUrl, "GET", null);        // 如果请求成功        if (null != jsonObject) {            try {                accessAuthor = new AccessAuthor();                accessAuthor.setOpenid(jsonObject.getString("openid"));                accessAuthor.setRefresh_token(jsonObject.getString("refresh_token"));                accessAuthor.setScope(jsonObject.getString("scope"));                accessAuthor.setAccess_token(jsonObject.getString("access_token"));            } catch (Exception e) {                // TODO: handle exception                accessAuthor = null;                // 获取token失败                logger.info("获取用户openid异常"+e.getMessage());            }        }        return accessAuthor;    }    /**     * 获取access_token     *      * @param appid 凭证     * @param appsecret 密钥     * @return     */    public static AccessToken getAccessToken(String appid, String appsecret) {        AccessToken accessToken = null;        accessToken = (AccessToken) Constants.global_map.get("accessToken");        if(accessToken == null){            String requestUrl = access_token_url.replace("APPID", appid).replace("APPSECRET", appsecret);            JSONObject jsonObject = httpRequest(requestUrl, "GET", null);            // 如果请求成功            if (null != jsonObject) {                try {                    accessToken = new AccessToken();                    accessToken.setToken(jsonObject.getString("access_token"));                    accessToken.setExpiresIn(jsonObject.getInt("expires_in"));                    Constants.global_map.put("accessToken", accessToken);                    logger.debug("获取accessToken：" + new Gson().toJson(accessToken));                } catch (JSONException e) {                    accessToken = null;                    // 获取token失败                    logger.error("获取token失败 errcode:{} errmsg:{}");                }            }        } else {            logger.debug("获取accessToken：" + new Gson().toJson(accessToken));        }        return accessToken;    }    /**     * 获取access_ticket     * @param token     * @return     */    public static AccessTicket getAccessTicket(String token){        AccessTicket accessTicket = null;        String requestUrl = access_ticket_url.replace("ACCESS_TOKEN", token);        JSONObject jsonObject = httpRequest(requestUrl, "GET", null);        logger.info(""+jsonObject);        // 如果请求成功        if (null != jsonObject) {            try {                accessTicket = new AccessTicket();                accessTicket.setErrcode(jsonObject.getString("errcode"));                accessTicket.setErrmsg(jsonObject.getString("errmsg"));                accessTicket.setTicket(jsonObject.getString("ticket"));                accessTicket.setExpires_in(jsonObject.getString("expires_in"));            } catch (Exception e) {                // TODO: handle exception                e.printStackTrace();                accessTicket = null;                // 获取ticket失败                logger.info("获取ticket失败 errcode:{} errmsg:{}");            }        }        return accessTicket;    }    public static Map<String, String> sign(String jsapi_ticket, String url) {        Map<String, String> ret = new HashMap<String, String>();        String nonce_str = create_nonce_str();        String timestamp = create_timestamp();        String string1;        String signature = "";        // 注意这里参数名必须全部小写，且必须有序        string1 = "jsapi_ticket=" + jsapi_ticket + "&noncestr=" + nonce_str                + "&timestamp=" + timestamp + "&url=" + url;        logger.info("string1===>" + string1);        try {            MessageDigest crypt = MessageDigest.getInstance("SHA-1");            crypt.reset();            crypt.update(string1.getBytes("UTF-8"));            signature = byteToHex(crypt.digest());        } catch (NoSuchAlgorithmException e) {            e.printStackTrace();        } catch (UnsupportedEncodingException e) {            e.printStackTrace();        }        ret.put("url", url);        ret.put("jsapi_ticket", jsapi_ticket);        ret.put("nonceStr", nonce_str);        ret.put("timestamp", timestamp);        ret.put("signature", signature);        return ret;    }    /**     * 随机字符串     * @return     */    private static String create_nonce_str() {        return UUID.randomUUID().toString();    }    /**     * 时间戳     * @return     */    private static String create_timestamp() {        return Long.toString(System.currentTimeMillis() / 1000);    }    private static String byteToHex(final byte[] hash) {        Formatter formatter = new Formatter();        for (byte b : hash)        {            formatter.format("%02x", b);        }        String result = formatter.toString();        formatter.close();        return result;    }}

2：AccessToken.java

public class AccessToken {    // 获取到的凭证    private String token;    // 凭证有效时间，单位：秒    private int expiresIn;    public String getToken() {        return token;    }    public void setToken(String token) {        this.token = token;    }    public int getExpiresIn() {        return expiresIn;    }    public void setExpiresIn(int expiresIn) {        this.expiresIn = expiresIn;    }}

3：AccessTicket.java

public class AccessTicket {    private String errcode;    private String errmsg;    private String ticket;    private String expires_in;    public String getErrcode() {        return errcode;    }    public void setErrcode(String errcode) {        this.errcode = errcode;    }    public String getErrmsg() {        return errmsg;    }    public void setErrmsg(String errmsg) {        this.errmsg = errmsg;    }    public String getTicket() {        return ticket;    }    public void setTicket(String ticket) {        this.ticket = ticket;    }    public String getExpires_in() {        return expires_in;    }    public void setExpires_in(String expires_in) {        this.expires_in = expires_in;    }}

4：AccessAuthor.java

public class AccessAuthor {    private String access_token;    private String expires_in;    private String refresh_token;    private String openid;    private String scope;    public String getAccess_token() {        return access_token;    }    public void setAccess_token(String access_token) {        this.access_token = access_token;    }    public String getExpires_in() {        return expires_in;    }    public void setExpires_in(String expires_in) {        this.expires_in = expires_in;    }    public String getRefresh_token() {        return refresh_token;    }    public void setRefresh_token(String refresh_token) {        this.refresh_token = refresh_token;    }    public String getOpenid() {        return openid;    }    public void setOpenid(String openid) {        this.openid = openid;    }    public String getScope() {        return scope;    }    public void setScope(String scope) {        this.scope = scope;    }}

5：WechatHandle.java

public class WechatHandle extends BaseAction {    private static final long serialVersionUID = 1L;    private static final Log log = LogFactory.getLog(WechatHandle.class);    private String appid = Constants.APPID;    private String appsecret = Constants.APPSECRET;    /**     * 获取用户微信openid     * @throws Exception     */    public void accessUserOpenid() throws Exception{        AccessAuthor accessAuthor = null;        try {            String code = req().getParameter("code");            log.info("【获取js配置信息】请求参数：code:"+code);            accessAuthor = WeixinUtil.getAccessAuthor(appid, appsecret, code);            if(accessAuthor!=null){                resJson.setSuccess(true);                resJson.setData(accessAuthor);                resJson.setDesc("请求成功!");                session().setAttribute("sessionOpenId", accessAuthor.getOpenid());            } else {                resJson.setSuccess(false);                resJson.setDesc("获取用户微信openid失败!");            }        } catch (Exception e) {            resJson.setSuccess(false);            resJson.setDesc("获取用户微信openid失败!");            log.error("获取用户微信openid...异常===>"+e.getMessage());        }        String result = new Gson().toJson(resJson);        log.info("【获取用户微信openid】请求结果===>"+result);        out().print(result);    }    /**     * 获取js配置信息     * @throws Exception     */    @SuppressWarnings("rawtypes")    public void accessJsConfig() throws Exception{        JsConfig jsConfig = new JsConfig();        jsConfig.setAppid(appid);        String url = req().getParameter("dynamicurl");        log.debug("【获取js配置信息】请求参数：appid："+appid+"~appsecret："+appsecret+"~dynamicurl"+url);        try {            // 获取access_token            AccessToken accessToken = WeixinUtil.getAccessToken(appid,appsecret);            // 获取access_ticket            AccessTicket accessTicket = WeixinUtil.getAccessTicket(accessToken.getToken());            Map<String, String> ret = WeixinUtil.sign(accessTicket.getTicket(), url);            for (Map.Entry entry : ret.entrySet()) {                String key = entry.getKey().toString();                String value = entry.getValue().toString();                if("timestamp".equals(key)){                    jsConfig.setTimestamp(value);                } else if("nonceStr".equals(key)){                    jsConfig.setNonceStr(value);                } else if("jsapi_ticket".equals(key)){                    jsConfig.setJsapi_ticket(value);                } else if("signature".equals(key)){                    jsConfig.setSignature(value);                } else if("url".equals(key)){                    jsConfig.setUrl(value);                }            }        } catch (Exception e) {            // TODO: handle exception            log.error("获取js配置信息...异常===>"+e.getMessage());            Constants.global_map.clear();            AccessToken accessToken = WeixinUtil.getAccessToken(appid,appsecret);            AccessTicket accessTicket = WeixinUtil.getAccessTicket(accessToken.getToken());            Map<String, String> ret = WeixinUtil.sign(accessTicket.getTicket(), url);            for (Map.Entry entry : ret.entrySet()) {                String key = entry.getKey().toString();                String value = entry.getValue().toString();                if("timestamp".equals(key)){                    jsConfig.setTimestamp(value);                } else if("nonceStr".equals(key)){                    jsConfig.setNonceStr(value);                } else if("jsapi_ticket".equals(key)){                    jsConfig.setJsapi_ticket(value);                } else if("signature".equals(key)){                    jsConfig.setSignature(value);                } else if("url".equals(key)){                    jsConfig.setUrl(value);                }            }        }        String result = new Gson().toJson(jsConfig);        log.info("获取js配置信息结果===>"+result);        out().print(result);    }}

6：MyX509TrustManager.java

import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import javax.net.ssl.X509TrustManager;public class MyX509TrustManager implements X509TrustManager {    public void checkClientTrusted(X509Certificate[] chain, String authType)            throws CertificateException {    }    public void checkServerTrusted(X509Certificate[] chain, String authType)            throws CertificateException {    }    public X509Certificate[] getAcceptedIssuers() {        return null;    }}