模仿拼多多小程序自动登录思想

登录页面的js

onShow: function (onshow) {
      let that = this
      this.setData({
        head:wx.getStorageSync('head'),
        username:wx.getStorageSync('username')
      })
}

APP.JS

onLaunch() {
    if(wx.getStorageSync('openid')==false||wx.getStorageSync('username')==false||wx.getStorageSync('head')==false){
      wx.login({
        success: res => {
            wx.request({
              url: "https://api.weixin.qq.com/sns/jscode2session",
              data: {
                'appid': "自己的appid",
                'secret': "自己的secret",
                'js_code': res.code,
                'grant_type': "authorization_code"
              },
              method: 'POST',
              header: {
                "Content-Type": "application/x-www-form-urlencoded"
              },
              success: function (data) {
                wx.request({
                  url: "http://192.168.199.99/api/autologin.php",
                  data:{
                    'openid':data.data.openid,
                  },
                  method: 'POST',
                  header: { "Content-Type": "application/x-www-form-urlencoded" },
                  success:res2=>{
                    res2.data.forEach(element => {
                    wx.setStorageSync('head', element.head)
                    wx.setStorageSync('username', element.name)
                    wx.setStorageSync('openid', element.openid)
                    });
                  }
                })
              },
              fail: function (err) {
                console.log(err);
              }
            })
        }
      })
    }
  },