1/fore-end/app.js

// app.js
App({
  onLaunch() {
    // 展示本地存储能力
    const logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)

	//开发者信息
	const wxInfo = {
		appid: 	'wxc25f00d0fc026ae7',
		appSecret: '9e94011d65b0f4307b1cab14022ea060'
	}
const ui_w = 360;
	//把vid存到缓存
	wx.setStorage({
		key: 'vid',
		data: '',
		success: function() {
			console.log('写入vid缓存成功')
		},
		fail: function() {
			console.log('写入vid发生错误')
		}
	})
// 获取屏幕的宽度
var clientWidth = wx.getSystemInfoSync().windowWidth;
	//检测缓存是否有token
	// console.log(wx.getStorageSync('token'));
	if(wx.getStorageSync('token') == ''){

		console.log('token不存在');
		// 登录
		wx.login({
			success: (res) => {
				//获取用户昵称和头像
			  
				//和微信接口服务校验
			  console.log("code: "+res.code);
			  var url = 'https://api.weixin.qq.com/sns/jscode2session?appid=' + wxInfo.appid + '&secret=' + wxInfo.appSecret + '&js_code=' + res.code + '&grant_type=authorization_code'
			   wx.request({
				url: url,
				success(res){
				  wx.setStorageSync('vid', res.data.openid);
				  console.log(wx.getStorageSync('vid'));
				  wx.getUserProfile({
					  desc: '登录',
					  
					  success: (res) => {
						  wx.setStorageSync('nickName', res.userInfo.nickuName);
						  wx.setStorageSync('avatarUrl', res.userInfo.avatarUrl);
					  }
					});
				  //登录
				  wx.request({
					  url: 'http://192.168.31.29:8084/user/login',
					  method:'POST',
					  header: {
						  'content-type': 'application/x-www-form-urlencoded'
					  },
					  data:{
						  vid: wx.getStorageSync('vid')
					  },
					  
					  success(res){
						  console.log(res);
						  
						  // console.log(vid);
						  console.log('vid: '+ wx.getStorageSync('vid'));
						  if(res.data.code == 403){
							  wx.navigateTo({
								url: '/pages/register/register',
							  })
					  	}else if(res.data.code == 200){
							wx.setStorageSync('token', res.data.data.token);
							wx.setStorageSync('uid', res.data.data.Uid);
						  }
							  
					  }
				  })
				}
			  })
			  
			  
			}
		  })
	}else{
		wx.request({
		  url: 'http://192.168.31.29:8084/user/info',
		  header:{
			  "Authorization": wx.getStorageSync('token')
		  },
		  success(res){
			  console.log(res);
			  if(res.data.code == 200){
				  console.log('token有效');
				  wx.setStorageSync('uid', res.data.data.Uid);
			  }
		  }
		})
	}

    
  },
  globalData: {
    userInfo: null
  }
})