1.控制類
設(shè)置公眾號(hào)回調(diào)域名.png
獲取測(cè)試公眾號(hào)：https://mp.weixin.qq.com/debug/cgi-bin/sandboxinfo?action=showinfo&t=sandbox/index
package com.taxsearch.controller.tf;
import java.io.IOException;
import java.net.URLEncoder;
import java.text.ParseException;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.taxsearch.util.WXAuthUtil;
/**
* FileName: WXLoginController.java
* @Description: 通過(guò)公眾號(hào)獲取微信用戶信息
* All rights Reserved, Designed By JS-YFB
* Copyright: Copyright(C) 2017-2027
* Company JS-YFB LTD.
* @author: yc
* @version V1.0
* Createdate: 2018年8月30日 下午11:18:02
*
*/
@Controller
public class WXLoginController {
private static final Logger logger = Logger.getLogger(WXLoginController.class);
/**
* 公眾號(hào)微信登錄授權(quán)
* @param request
* @param response
* @return
* @throws ParseException
* @author lbh
* @date 創(chuàng)建時(shí)間：2018年1月18日 下午7:33:59
* @parameter
*/
@RequestMapping(value = "/wxLogin", method = RequestMethod.GET)
public String wxLogin(HttpServletRequest request,
HttpServletResponse response)
throws ParseException {
//這個(gè)url的域名必須要進(jìn)行再公眾號(hào)中進(jìn)行注冊(cè)驗(yàn)證tfds.scjinsui.com:9001，這個(gè)地址是成功后的回調(diào)地址
String backUrl="http://tfds.scjinsui.com:9001/TFds/callBack.do";
// 第一步：用戶同意授權(quán)，獲取code
String url ="https://open.weixin.qq.com/connect/oauth2/authorize?appid="+WXAuthUtil.APPID
+ "&redirect_uri="+URLEncoder.encode(backUrl)
+ "&response_type=code"
+ "&scope=snsapi_userinfo"
+ "&state=STATE#wechat_redirect";
logger.info("forward重定向地址{" + url + "}");
//response.sendRedirect(url);
return "redirect:"+url;//必須重定向，否則不能成功
}
/**
* 公眾號(hào)微信登錄授權(quán)回調(diào)函數(shù)
* @param modelMap
* @param req
* @param resp
* @return
* @throws ServletException
* @throws IOException
* @author lbh
* @date 創(chuàng)建時(shí)間：2018年1月18日 下午7:33:53
* @parameter
*/
@RequestMapping(value = "/callBack", method = RequestMethod.GET)
@ResponseBody
public String callBack(ModelMap modelMap,HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//獲取code
String code =req.getParameter("code");
//獲取openid
Map<String, String> map1 = getOpenId(code);
String openid = map1.get("openid");
//獲取基礎(chǔ)token
Map<String, String> map2 = getToken();
String token = map2.get("access_token");
//獲取用戶信息
Map<String, String> map3 = getUserInfo(token,openid);
// net.sf.json.JSONObject jsonObject=WeiXin.getWeiXin(code);
// return jsonObject.toString();
return map3.toString();
}
/**
* @Title: getToken
* @Description: 獲取基礎(chǔ)token
* @param: @return
* @param: @throws ClientProtocolException
* @param: @throws IOException
* @return: Map<String,String>
* @throws
*/
public Map<String, String> getToken() throws ClientProtocolException, IOException{
String url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+WXAuthUtil.APPID
+ "&secret="+WXAuthUtil.APPSECRET;
Map<String, String> map = WXAuthUtil.doGetJson(url);
return map;
}
/**
* @Title: getOpenId
* @Description: 通過(guò)code獲取OpenId
* @param: @param code
* @param: @return
* @param: @throws ClientProtocolException
* @param: @throws IOException
* @return: Map<String,String>
* @throws
*/
public Map<String, String> getOpenId(String code) throws ClientProtocolException, IOException{
String url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid="+WXAuthUtil.APPID
+ "&secret="+WXAuthUtil.APPSECRET
+ "&code="+code
+ "&grant_type=authorization_code";
Map<String, String> map = WXAuthUtil.doGetJson(url);
return map;
}
/**
* @Title: getUserInfo
* @Description: 獲取useriNFO
* @param: @param accessToken
* @param: @param openId
* @param: @return
* @param: @throws ClientProtocolException
* @param: @throws IOException
* @return: Map<String,String>
* @throws
*/
public Map<String, String> getUserInfo(String accessToken, String openId) throws ClientProtocolException, IOException {
String requestUrl = "https://api.weixin.qq.com/cgi-bin/user/info?access_token="+accessToken+"&openid="+openId;
Map<String, String> map = WXAuthUtil.doGetJson(requestUrl);
return map;
}
}
2.發(fā)送請(qǐng)求并接受返回的JSON字符串并轉(zhuǎn)換為MAP
參數(shù).png
package com.taxsearch.util;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.springframework.util.DigestUtils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
public class WXAuthUtil {
public static final String APPID="wx87bff1545b051cad";
public static final String APPSECRET ="bbc6053f8766b1abc2e309a70187da04";
public static Map<String, String> doGetJson(String url) throws ClientProtocolException, IOException {
DefaultHttpClient client = new DefaultHttpClient();
HttpGet httpGet =new HttpGet(url);
HttpResponse response = client.execute(httpGet);
HttpEntity entity =response.getEntity();
String result= "";
Map<String, String> map = null;
if(entity!=null)
{
//把返回的結(jié)果轉(zhuǎn)換為JSON對(duì)象
result =EntityUtils.toString(entity, "UTF-8");
// jsonObject =JSON.parseObject(result);
GsonBuilder gb = new GsonBuilder();
Gson g = gb.create();
map = g.fromJson(result, new TypeToken<Map<String, Object>>() {}.getType());
}
return map;
}
}
