入坑微信小程序必经之路（十）微信授权登录

<!--pages/member/member.wxml-->
<view class="member-container">
  <view class="header-info">
    <!--背景图片  -->
    <image class="bg-wrapper" src='../../images/member_bg.png'></image>
    <view class="avatar"><image src="{{avatarUrl}}" style="width:100%;height:100%;"></image></view>
    <view class="nickname">{{nickName}}</view>
    <!--格言  -->
    <view class="motto">Ta很懒，还没留下什么~</view>
  </view>
<view wx:if="{{result}}">
   


  <!--我的订单  -->
  <view class="my-order" style="display:none;">
    <view class="left" >
      <image class="icon-order" src="../../images/icon_not_pay.png"></image>
      <text>我的订单</text>
    </view>
    <image class="icon-arrow" src="../../images/right_arrow.png"></image>
  </view>

<!--意见反馈  -->
 <view class="my-order"  bindtap="goFeedback">
    <view class="left">
      <image class="icon-order" src="../../images/icon_not_comment.png"></image>
      <text>意见反馈</text>
    </view>
    <image class="icon-arrow" src="../../images/right_arrow.png"></image>
</view>

<!--联系我们  -->
<view class="my-order" bindtap="goAboutus">
 <view class="left">
      <image class="icon-order" src="../../images/customer_service.png"></image>
      <text>联系我们</text>
    </view>
    <image class="icon-arrow" src="../../images/right_arrow.png"></image>
</view>


</view>
<view wx:else>


    <button class='bottom' type='primary' style="background-color:#F97D1C;" open-type="getUserInfo" lang="zh_CN" bindgetuserinfo="bindGetUserInfo">
        授权登录
    </button>
</view>
</view>

/* pages/member/member.wxss */
.header {
    margin: 90rpx 0 90rpx 50rpx;
    text-align: center;
    width: 650rpx;
    height: 300rpx;
    line-height: 450rpx;
}

.header image {
    width: 200rpx;
    height: 200rpx;
}

.content {
    margin-left: 50rpx;
    margin-bottom: 90rpx;
}

.content text {
    display: block;
    color: #9d9d9d;
    margin-top: 40rpx;
}

.bottom {
    border-radius: 80rpx;
    margin: 70rpx 50rpx;
    font-size: 35rpx;
}

.member-container {
  font-size: 14px;
}
.header-info {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.bg-wrapper {
  height: 400rpx;
  width: 100%;
}
.avatar {
  position: absolute;
  left: 30rpx;
  top: 100rpx;
  overflow: hidden;
  width: 160rpx;
  height: 160rpx;
  margin-top: 50rpx;
  margin-bottom: 20rpx;
  border-radius: 50%;
}
.nickname {
  position: absolute;
  left: 210rpx;
  top: 170rpx;
  color: #fff;
}
.motto {
  position: absolute;
  left: 210rpx;
  top: 240rpx;
  font-size: 12px;
  color: #fff;
}
.my-order {
  display: flex;
  align-items: center;
  height: 100rpx;
  border-bottom: 2rpx solid #f8f8f8;
  color: #515151;
  padding: 0 20rpx;
  background: #fff;
}
.left {
  flex: 1;
   display: flex;
  align-items: center; 
}
.icon-order {
  width: 50rpx;
  height: 50rpx;
  margin-right: 10rpx;
}
.icon-arrow {
  width: 50rpx;
  height: 50rpx;
}
.order-status {
  display: flex;
  justify-content: space-around;
  background: #fff;
  margin-bottom: 20rpx;
  color: #707070;
}
.order-status .item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 13px;
  padding: 20rpx 0;
}
.icon-status {
  width: 60rpx;
  height: 60rpx;
  margin-bottom: 5rpx;
}
.user-info {
  display: flex;
  font-size: 12px;
  color: #515151;
  background: #fff;
}
.user-info .info-item {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  height: 160rpx;
  padding: 40rpx 0 30rpx 0;
  border-right: 2rpx solid #f8f8f8;
  border-bottom: 2rpx solid #f8f8f8;
}
.money {
  font-size: 10px;
  color: #999;
  margin-top: 5rpx;
}
.icon-info {
  width: 60rpx;
  height: 60rpx;
  margin-bottom: 30rpx;
}

// pages/member/member.js
var app = getApp();
Page({
  /**
   * 页面的初始数据
   */
  data: {
    nickName: "微信账号登录",
    avatarUrl:"https://cube.elemecdn.com/e/fd/0fc7d20532fdaf769a25683617711png.png",
    result:false,
  },
  onLoad: function () {
      var that=this;
      //注意:将代码放在onLoad方法下
      if(wx.getStorageSync('result')&&wx.getStorageSync('userInfo')!=null){
          that.setData({
              result:wx.getStorageSync('result')
          });
          var data=wx.getStorageSync('userInfo');
          that.setData({
             nickName:data.nickName,
             avatarUrl:data.avatarUrl
         });
      }else{
          that.setData({
              result:false
          })
      } 
  },
  bindGetUserInfo:function(){
    var that=this;
    if (!wx.getStorageSync('hadAuthed')) {
              
        // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框
        wx.showModal({
          title: '温馨提示',
          content: '正在请求获取您的个人信息，以后续方便使用本程序！',
          success(res) {
            if (res.confirm) {
              wx.getUserProfile({
                desc: "获取你的昵称、头像、地区及性别",
                success: res => {
                    var data=JSON.parse(res.rawData);
                    that.setData({
                        nickName:data.nickName,
                        avatarUrl:data.avatarUrl,
                        result:true
                    });
                    wx.setStorageSync('result', that.data.result);
              if(wx.getStorageSync('openid')&&that.data.nickName!=null&&that.data.avatarUrl!=null){
                var url=app.globalData.url+"WxUserinfo";
                let info = {
                    OpenId: wx.getStorageSync('openid'),
                    nickName: that.data.nickName,
                    avatarUrl: that.data.avatarUrl
                   
                  }
                wx.request({//存储微信用户信息
                    url: url,
                    method:'GET',
                    header: {
                        'content-type': 'application/x-www-form-urlencoded'
                      },
                    data:{
                    info:JSON.stringify(info)
                    },
                    success: res => {
                        console.log(res);
                        var dt=JSON.parse(res.data);
                        console.log(dt);
                        wx.setStorageSync('WxUser', dt)
                    }
                })
              }
                  wx.setStorageSync('userInfo', data)
                  wx.setStorageSync('hadAuthed', true)
                },
                fail: res => {
                  //拒绝授权
                  wx.showToast({
                    title: '授权失败',
                    icon: 'none',
                    duration: 1000
                  })
                  return;
                }
              })
            } else if (res.cancel) {
              wx.showToast({
                title: '授权失败',
                icon: 'none',
                duration: 1000
              })
              return;
            }
          }
        })
      }else{
         //已授权直接获取用户信息
         var data=wx.getStorageSync('userInfo');
         that.setData({
            nickName:data.nickName,
            avatarUrl:data.avatarUrl
        });
      } 
    
  },
  goFeedback:function(){
    var url= '/pages/member/Feedback/opinion'
    wx.navigateTo({
      url: url
    })
    
  },
  goAboutus:function(){
    var url= '/pages/member/Aboutus/concerning'
    wx.navigateTo({
      url: url
    })
  }
})

效果图