马上注册,结交更多好友,享用更多功能,让你轻松玩转社区。
您需要 登录 才可以下载或查看,没有账号?立即注册
×
微信配置文件- # 微信开放平台 appid
- wx.open.app-id=你的appid
- # 微信开放平台 appsecret
- wx.open.app-secret=你的secret
- # 微信开放平台 重定向url
- wx.open.redirect-uri=重定向url/api/user/wx/callback
复制代码 配置类- package com.atguigu.yygh.user.utils;
- import lombok.Data;
- import org.springframework.boot.context.properties.ConfigurationProperties;
- import org.springframework.context.annotation.Configuration;
- import org.springframework.context.annotation.PropertySource;
- @Configuration
- @PropertySource("classpath:wx.properties")
- @ConfigurationProperties(prefix = "wx.open")
- @Data
- public class ConstantProperties {
- private String appId;
- private String appSecret;
- private String redirectUri;
- }
复制代码 前端请求方法- //切换微信登录
- weixinLogin() {
- this.dialogAtrr.showLoginType = 'weixin'
- user.getQRCodeParams().then((response) =>{
- new WxLogin({
- //true:手机单击确认后可以在iframe内跳转到redirecturl
- //false :手机单击确认登录后可以在top window 跳转到redirecturl
- self_redirect: false,
- appid: response.data.appid,
- scope: response.data.scope,
- redirect_uri: response.data.redirectUri,
- state: response.data.state,
- href: '', // 外部css文件url,需要https
- })
- })
- },
复制代码 前端api- //获得微信登录二维码的相关参数
- getQRCodeParams(){
- return request({
- url : `/api/user/wx/getQRCodeParams`,
- method : `get`
- })
- api文档:[url=https://developers.weixin.qq.com/doc/oplatform/Website_App/WeChat_Login/Wechat_Login.html]网站应用微信登录开发指南[/url]
- [code]package com.atguigu.yygh.user.controller.api;
- import com.atguigu.yygh.common.exception.YyghException;
- import com.atguigu.yygh.common.result.R;
- import com.atguigu.yygh.common.result.ResultCode;
- import com.atguigu.yygh.common.utils.JwtHelper;
- import com.atguigu.yygh.model.user.UserInfo;
- import com.atguigu.yygh.user.service.UserInfoService;
- import com.atguigu.yygh.user.utils.ConstantProperties;
- import com.atguigu.yygh.user.utils.HttpClientUtils;
- import com.google.gson.Gson;
- import com.sun.org.apache.regexp.internal.RE;
- import io.swagger.annotations.Api;
- import lombok.extern.slf4j.Slf4j;
- import org.apache.http.client.utils.URLEncodedUtils;
- import org.springframework.beans.factory.annotation.Autowired;
- import org.springframework.stereotype.Controller;
- import org.springframework.util.StringUtils;
- import org.springframework.web.bind.annotation.GetMapping;
- import org.springframework.web.bind.annotation.RequestMapping;
- import org.springframework.web.bind.annotation.ResponseBody;
- import sun.net.util.URLUtil;
- import javax.net.ssl.HttpsURLConnection;
- import javax.servlet.http.HttpSession;
- import java.io.UnsupportedEncodingException;
- import java.net.URLEncoder;
- import java.util.HashMap;
- import java.util.UUID;
- @Api(tags = "微信扫码登录")
- @Controller //注意这里没有配置@restcontroller
- @RequestMapping("/api/user/wx")
- @Slf4j
- public class ApiWxController {
- @Autowired
- private ConstantProperties constantProperties;
- @Autowired
- private UserInfoService userInfoService;
- /**
- */
- @GetMapping("/getQRCodeUrl")
- public String getQRCodeUrl(HttpSession session){
- try {
- //处理回调url
- String redirectUrl = URLEncoder.encode(constantProperties.getRedirectUri(), "UTF-8");
- //处理state :生成随机数,存入session
- String state = UUID.randomUUID().toString();
- log.info("生成的state = "+ state);
- session.setAttribute("wx_open_state",state);
- //要重定向的地址
- String qrcUrl = "https://open.weixin.qq.com/connect/qrconnect" +
- "?appid=" + constantProperties.getAppId() +
- "&redirect_uri=" + redirectUrl +
- "&response_type=code" +
- "&scope=snsapi_login" +
- "&state=" + state +
- "#wechat_redirect";
- return "redirect:" + qrcUrl;
- } catch (UnsupportedEncodingException e) {
- }
- }
- /**
- * 在内嵌窗口打开
- * @param session
- * @return
- */
- @GetMapping("/getQRCodeParams")
- @ResponseBody
- public R getQRCodeParams(HttpSession session){
- try {
- String redirectUrl = URLEncoder.encode(constantProperties.getRedirectUri(), "UTF-8");
- String state = UUID.randomUUID().toString();
- log.info("生成的state : "+ state);
- session.setAttribute("wx_open_state",state);
- //组装好返回给前端的数据
- HashMap<String, Object> map = new HashMap<>();
- map.put("appid",constantProperties.getAppId());
- map.put("redirectUri",redirectUrl);
- map.put("scope","snsapi_login");
- map.put("state",state);
- return R.ok().data(map);
- } catch (UnsupportedEncodingException e) {
- }
- }
- /**
- * 回调函数
- */
- @GetMapping("/callback")
- public String callback(String code, String state, HttpSession session) {
- try {
- String sessionState = (String)session.getAttribute("wx_open_state");
- //判空操作
- if(StringUtils.isEmpty(code) || StringUtils.isEmpty(state) || !state.equals(sessionState)){
- throw new YyghException(ResultCode.ERROR,"回调参数错误");
- }
- //向微信发送请求,请求获得access_tokens
- String accessTokenUrl ="https://api.weixin.qq.com/sns/oauth2/access_token" +
- "?appid=" + constantProperties.getAppId() +
- "&secret=" + constantProperties.getAppSecret() +
- "&code=" + code +
- "&grant_type=authorization_code";
- //使用httpclient发送请求
- String accessTokenInfo = HttpClientUtils.get(accessTokenUrl);
- //将json'转换成map 获取其中的errcode键值 ,来判断相应的成功与否
- Gson gson = new Gson();
- HashMap<String,Object> accessTokenInfoMap = gson.fromJson(accessTokenInfo, HashMap.class);
- //通过错误码是否存在来判断响应是否成功
- if(accessTokenInfoMap.get("errcode") !=null ){ //errcode只要存在就说明有错误
- throw new YyghException(ResultCode.ERROR,"获取access_token失败");
- }
- //微信获取access_token成功
- String openid = (String) accessTokenInfoMap.get("openid");
- String accessToken = (String) accessTokenInfoMap.get("access_token");
- //根据openid判断数据库中的数据是否存在
- UserInfo userInfo= userInfoService.selectWxInfoByOpenId(openid);
- if(userInfo==null){
- //用户不存在则进行注册操作
- //向微信的资源服务器发送请求,获得当前用户的信息
- String userInfoUrl ="https://api.weixin.qq.com/sns/userinfo" +
- "?access_token=" + accessToken +
- "&openid=" + openid;
- String userInfResult = HttpClientUtils.get(userInfoUrl);
- HashMap<String,Object> userInfResultMap = gson.fromJson(userInfResult, HashMap.class);
- //判断响应是否失败,同上
- //通过错误码是否存在来判断响应是否成功
- if(accessTokenInfoMap.get("errcode") !=null ){ //errcode只要存在就说明有错误
- throw new YyghException(ResultCode.ERROR,"获取用户信息失败");
- }
- //解析用户信息
- String nickname =(String) userInfResultMap.get("nickname");
- //用户注册(添加)
- userInfo = new UserInfo();
- userInfo.setName(nickname);
- userInfo.setNickName(nickname);
- userInfo.setOpenid(openid);
- userInfoService.save(userInfo);
- }else {
- //用户存在则只需判断用户状态是否可用
- if(userInfo.getStatus() == 0){
- throw new YyghException(ResultCode.ERROR,"用户已被锁定");
- }
- }
- //生成jwt字符串
- String token = JwtHelper.createToken(userInfo.getId(), userInfo.getName());
- //跳转到前端页面
- return "redirect:http://localhost:3000/" +
- "?token=" + token +
- "&name=" + URLEncoder.encode(userInfo.getName(), "utf-8") +
- "&openid=" + openid +
- "&phone=" + userInfo.getPhone() ;
- } catch (Exception e) {
- throw new YyghException(ResultCode.ERROR,"微信登录失败",e);
- }
- }
- }
复制代码
|