将请求

login.vue

  1. <template>
  2.     <view>
  3.         <image src="../../static/img/152x152.png" class="logo" mode=""></image>
  4.         <!--open-type='getUserInfo' 一定要写这个，不让获取不到微信用户的信息 -->
  5.         <button class="btn" @tap="handleTap" open-type='getUserInfo'>立即前往</button>
  6.     </view>
  7. </template>
  9. <script>
  10.     export default {
  11.         data() {
  12.             return {
  14.             };
  15.         },
  16.         methods:{
  17.             handleTap:function(){
  18.                 let ref=this;
  19.                 //uni.login 获取微信平台返回的code
  20.                 uni.login({
  21.                     success:function(resp){
  22.                     //     console.log(resp)
  23.                         let code=resp.code;
  24.                         //获取微信用户的信息 uni.getUserInfo
  25.                         uni.getUserInfo({
  26.                             success:function(resp){
  27.                                 // console.log(resp)
  28.                                 let rawData = JSON.parse(resp.rawData);
  29.                                 let nickName = rawData.nickName; //昵称
  30.                                 let avatarUrl = rawData.avatarUrl; //头像
  31.                                 //发起ajax请求
  32.                                 uni.request({
  33.                                     //这里是全局变量，全局变量定义在main.js文件中
  34.                                     url: ref.url.login,
  35.                                     method:"post",
  36.                                     data:{
  37.                                         "code":code,
  38.                                         "nickName":nickName,
  39.                                         "photo":avatarUrl
  40.                                     },
  41.                                     success:function(resp){
  42.                                         let token=resp.data.data.token;
  43.                                         let expire=resp.data.data.expire;
  44.                                         //保存到storage，无论是哪个页面都可以访问到，storage里存的数据是全局的
  45.                                         uni.setStorageSync("token",token);
  46.                                         uni.setStorageSync("expire",expire);
  47.                                         console.log("================");
  48.                                         console.log(token);
  49.                                         console.log(expire);
  50.                                         //页面跳转
  51.                                         uni.switchTab({
  52.                                             url:"/pages/index/index"
  53.                                         })
  54.                                     }
  55.                                 })
  56.                             }
  57.                         })
  58.                     }
  59.                 })
  60.             }
  61.         },
  62.         onLoad:function(){
  63.             //检验系统的版本
  64.             var ref = this;
  65.             uni.getSystemInfo({
  66.                 success: function(res) {
  67.                     let OS = null;
  68.                     if (res.platform == "devtools") {
  69.                         OS = "PC"
  70.                     } else if (res.platform == "ios") {
  71.                         OS = "iOS"
  72.                     } else if (res.platform == "android") {
  73.                         OS = "安卓"
  74.                     }
  75.                     // console.log(OS)
  76.                     uni.setStorageSync("OS", OS);
  77.                 }
  78.             })
  79.         }
  80.     }
  81. </script>
  83. <style lang="less">
  84.     @import url("login.less");
  85. </style>

UserServiceImpl.java

  1.     @Override
  2.     public Map<String, Object> wxLogin(WechatLoginDTO dto) {
  3.         HashMap map = new HashMap();
  4.         map.put("appid", appId); //app_id
  5.         map.put("secret", appSecret); //app_secret
  6.         map.put("js_code", dto.getCode()); //微信code
  7.         map.put("grant_type", "authorization_code"); // 默认参数
  8.         String response = HttpUtil.post(UrlConstant.WECHAT_LOGIN, map);
  9.         JSONObject json = JSONUtil.parseObj(response);
  10.         String openId = json.get("openid", String.class);
  11.         String sessionKey = json.get("session_key", String.class);
  12. //        System.out.println(openId);
  13. //        System.out.println(sessionKey);
  14.         if (openId == null || openId.length() == 0) {
  15.             throw new RenException("open_id不存在");
  16.         }
  18.         UserEntity user = new UserEntity();
  19.         user.setOpenId(openId);
  20.         QueryWrapper wrapper = new QueryWrapper();
  21.         wrapper.setEntity(user);
  22.         int count = baseDao.selectCount(wrapper);
  23.         System.out.println(count);
  24.         if (count == 0) {
  25.           //  Snowflake snowflake=new Snowflake();
  26.             user = new UserEntity();
  27.             user.setId(IdWorker.getId());
  28.             user.setOpenId(openId);
  29.             user.setNickName(dto.getNickName());
  30.             user.setPhoto(dto.getPhoto());
  31.             baseDao.insert(user);
  32.         }
  33.         user = new UserEntity();
  34.         user.setOpenId(openId);
  35.         wrapper = new QueryWrapper(user);
  36.         user = baseDao.selectOne(wrapper);
  37.         //获取登录token
  38.         TokenEntity tokenEntity = tokenService.createToken(user.getId());
  39.         Map<String, Object> map2 = new HashMap<>(2);
  40.         map2.put("token", tokenEntity.getToken());
  41.         map2.put("expire", tokenEntity.getExpireDate().getTime() - System.currentTimeMillis());
  42.         return map2;
  43.     }