微信公众平台开发实战Java版之微信获取用户基本信息

 {
  "subscribe": 1,"openid": "o6_bmjrPTlm6_2sgVt7hMZOPfL2M","nickname": "Band","sex": 1,"language": "zh_CN","city": "广州","province": "广东","country": "中国","headimgurl":  "http://wx.qlogo.cn/mmopen/g3MonUZtNHkdmzicIlibx6iaFqAc56vxLSUfpb6n5WKSYVY0ChQKkiaJSgQ1dZuTOgvLLrhJbERQQ4eMsv84eavHiaiceqxibJxCfHe/0","subscribe_time": 1382694957,"unionid": " o6_bmasdasdsad6_2sgVt7hMZOPfL"
  "remark": "","groupid": 0
} 

 {"errcode":40013,"errmsg":"invalid appid"} 

package com.souvc.weixin.pojo;
/**
* 类名: WeixinUserInfo </br>
* 描述: 微信用户的基本信息 </br>
* 开发人员： souvc </br>
* 创建时间： 2015-11-27 </br>
* 发布版本：V1.0 </br>
 */
public class WeixinUserInfo {
  // 用户的标识
  private String openId;
  // 关注状态（1是关注，0是未关注），未关注时获取不到其余信息
  private int subscribe;
  // 用户关注时间，为时间戳。如果用户曾多次关注，则取最后关注时间
  private String subscribeTime;
  // 昵称
  private String nickname;
  // 用户的性别（1是男性，2是女性，0是未知）
  private int sex;
  // 用户所在国家
  private String country;
  // 用户所在省份
  private String province;
  // 用户所在城市
  private String city;
  // 用户的语言，简体中文为zh_CN
  private String language;
  // 用户头像
  private String headImgUrl;
  public String getOpenId() {
    return openId;
  }
  public void setOpenId(String openId) {
    this.openId = openId;
  }
  public int getSubscribe() {
    return subscribe;
  }
  public void setSubscribe(int subscribe) {
    this.subscribe = subscribe;
  }
  public String getSubscribeTime() {
    return subscribeTime;
  }
  public void setSubscribeTime(String subscribeTime) {
    this.subscribeTime = subscribeTime;
  }
  public String getNickname() {
    return nickname;
  }
  public void setNickname(String nickname) {
    this.nickname = nickname;
  }
  public int getSex() {
    return sex;
  }
  public void setSex(int sex) {
    this.sex = sex;
  }
  public String getCountry() {
    return country;
  }
  public void setCountry(String country) {
    this.country = country;
  }
  public String getProvince() {
    return province;
  }
  public void setProvince(String province) {
    this.province = province;
  }
  public String getCity() {
    return city;
  }
  public void setCity(String city) {
    this.city = city;
  }
  public String getLanguage() {
    return language;
  }
  public void setLanguage(String language) {
    this.language = language;
  }
  public String getHeadImgUrl() {
    return headImgUrl;
  }
  public void setHeadImgUrl(String headImgUrl) {
    this.headImgUrl = headImgUrl;
  }
} 

package com.souvc.weixin.pojo;
/**
* 类名: Token </br>
* 描述: 凭证 </br>
* 开发人员： souvc </br>
* 创建时间： 2015-11-27 </br>
* 发布版本：V1.0 </br>
 */
public class Token {
  // 接口访问凭证
  private String accessToken;
  // 凭证有效期，单位：秒
  private int expiresIn;
  public String getAccessToken() {
    return accessToken;
  }
  public void setAccessToken(String accessToken) {
    this.accessToken = accessToken;
  }
  public int getExpiresIn() {
    return expiresIn;
  }
  public void setExpiresIn(int expiresIn) {
    this.expiresIn = expiresIn;
  }
}

package com.souvc.weixin.util;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.X509TrustManager;
/**
* 类名: MyX509TrustManager </br>
* 描述:信任管理器 </br>
* 开发人员： souvc </br>
* 创建时间： 2015-11-27 </br>
* 发布版本：V1.0 </br>
 */
public class MyX509TrustManager implements X509TrustManager {
  // 检查客户端证书
  public void checkClientTrusted(X509Certificate[] chain,String authType) throws CertificateException {
  }
  // 检查服务器端证书
  public void checkServerTrusted(X509Certificate[] chain,String authType) throws CertificateException {
  }
  // 返回受信任的X509证书数组
  public X509Certificate[] getAcceptedIssuers() {
    return null;
  }
}

package com.souvc.weixin.util;
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 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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.souvc.weixin.pojo.Token;
/**
* 类名: CommonUtil </br>
* 描述: 通用工具类 </br>
* 开发人员： souvc </br>
* 创建时间： 2015-11-27 </br>
* 发布版本：V1.0 </br>
 */
public class CommonUtil {
  private static Logger log = LoggerFactory.getLogger(CommonUtil.class);
  // 凭证获取（GET）
  public final static String token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";
  /**
   * 发送https请求
   * 
   * @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 httpsRequest(String requestUrl,String requestMethod,String outputStr) {
    JSONObject jsonObject = null;
    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 conn = (HttpsURLConnection) url.openConnection();
      conn.setSSLSocketFactory(ssf);
      conn.setDoOutput(true);
      conn.setDoInput(true);
      conn.setUseCaches(false);
      // 设置请求方式（GET/POST）
      conn.setRequestMethod(requestMethod);
      // 当outputStr不为null时向输出流写数据
      if (null != outputStr) {
        OutputStream outputStream = conn.getOutputStream();
        // 注意编码格式
        outputStream.write(outputStr.getBytes("UTF-8"));
        outputStream.close();
      }
      // 从输入流读取返回内容
      InputStream inputStream = conn.getInputStream();
      InputStreamReader inputStreamReader = new InputStreamReader(inputStream,"utf-8");
      BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
      String str = null;
      StringBuffer buffer = new StringBuffer();
      while ((str = bufferedReader.readLine()) != null) {
        buffer.append(str);
      }
      // 释放资源
      bufferedReader.close();
      inputStreamReader.close();
      inputStream.close();
      inputStream = null;
      conn.disconnect();
      jsonObject = JSONObject.fromObject(buffer.toString());
    } catch (ConnectException ce) {
      log.error("连接超时：{}",ce);
    } catch (Exception e) {
      log.error("https请求异常：{}",e);
    }
    return jsonObject;
  }
  /**
   * 获取接口访问凭证
   * 
   * @param appid 凭证
   * @param appsecret 密钥
   * @return
   */
  public static Token getToken(String appid,String appsecret) {
    Token token = null;
    String requestUrl = token_url.replace("APPID",appid).replace("APPSECRET",appsecret);
    // 发起GET请求获取凭证
    JSONObject jsonObject = httpsRequest(requestUrl,"GET",null);
    if (null != jsonObject) {
      try {
        token = new Token();
        token.setAccessToken(jsonObject.getString("access_token"));
        token.setExpiresIn(jsonObject.getInt("expires_in"));
      } catch (JSONException e) {
        token = null;
        // 获取token失败
        log.error("获取token失败 errcode:{} errmsg:{}",jsonObject.getInt("errcode"),jsonObject.getString("errmsg"));
      }
    }
    return token;
  }
  /**
   * URL编码（utf-8）
   * 
   * @param source
   * @return
   */
  public static String urlEncodeUTF8(String source) {
    String result = source;
    try {
      result = java.net.URLEncoder.encode(source,"utf-8");
    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();
    }
    return result;
  }
  /**
   * 根据内容类型判断文件扩展名
   * 
   * @param contentType 内容类型
   * @return
   */
  public static String getFileExt(String contentType) {
    String fileExt = "";
    if ("image/jpeg".equals(contentType))
      fileExt = ".jpg";
    else if ("audio/mpeg".equals(contentType))
      fileExt = ".mp3";
    else if ("audio/amr".equals(contentType))
      fileExt = ".amr";
    else if ("video/mp4".equals(contentType))
      fileExt = ".mp4";
    else if ("video/mpeg4".equals(contentType))
      fileExt = ".mp4";
    return fileExt;
  }
}

/**
   * 获取用户信息
   * 
   * @param accessToken 接口访问凭证
   * @param openId 用户标识
   * @return WeixinUserInfo
   */
  public static WeixinUserInfo getUserInfo(String accessToken,String openId) {
    WeixinUserInfo weixinUserInfo = null;
    // 拼接请求地址
    String requestUrl = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=ACCESS_TOKEN&openid=OPENID";
    requestUrl = requestUrl.replace("ACCESS_TOKEN",accessToken).replace("OPENID",openId);
    // 获取用户信息
    JSONObject jsonObject = CommonUtil.httpsRequest(requestUrl,null);
    if (null != jsonObject) {
      try {
        weixinUserInfo = new WeixinUserInfo();
        // 用户的标识
        weixinUserInfo.setOpenId(jsonObject.getString("openid"));
        // 关注状态（1是关注，0是未关注），未关注时获取不到其余信息
        weixinUserInfo.setSubscribe(jsonObject.getInt("subscribe"));
        // 用户关注时间
        weixinUserInfo.setSubscribeTime(jsonObject.getString("subscribe_time"));
        // 昵称
        weixinUserInfo.setNickname(jsonObject.getString("nickname"));
        // 用户的性别（1是男性，2是女性，0是未知）
        weixinUserInfo.setSex(jsonObject.getInt("sex"));
        // 用户所在国家
        weixinUserInfo.setCountry(jsonObject.getString("country"));
        // 用户所在省份
        weixinUserInfo.setProvince(jsonObject.getString("province"));
        // 用户所在城市
        weixinUserInfo.setCity(jsonObject.getString("city"));
        // 用户的语言，简体中文为zh_CN
        weixinUserInfo.setLanguage(jsonObject.getString("language"));
        // 用户头像
        weixinUserInfo.setHeadImgUrl(jsonObject.getString("headimgurl"));
      } catch (Exception e) {
        if (0 == weixinUserInfo.getSubscribe()) {
          log.error("用户{}已取消关注",weixinUserInfo.getOpenId());
        } else {
          int errorCode = jsonObject.getInt("errcode");
          String errorMsg = jsonObject.getString("errmsg");
          log.error("获取用户信息失败 errcode:{} errmsg:{}",errorCode,errorMsg);
        }
      }
    }
    return weixinUserInfo;
  } 

public static void main(String args[]) {
    // 获取接口访问凭证
    String accessToken = CommonUtil.getToken("xxxx","xxxx").getAccessToken();
    /**
     * 获取用户信息
     */
    WeixinUserInfo user = getUserInfo(accessToken,"ooK-yuJvd9gEegH6nRIen-gnLrVw");
    System.out.println("OpenID：" + user.getOpenId());
    System.out.println("关注状态：" + user.getSubscribe());
    System.out.println("关注时间：" + user.getSubscribeTime());
    System.out.println("昵称：" + user.getNickname());
    System.out.println("性别：" + user.getSex());
    System.out.println("国家：" + user.getCountry());
    System.out.println("省份：" + user.getProvince());
    System.out.println("城市：" + user.getCity());
    System.out.println("语言：" + user.getLanguage());
    System.out.println("头像：" + user.getHeadImgUrl());
  }