小程序选课系统

文章目录

小程序选课系统

1.看效果

小程序开发 校园平台

2.代码实现

// pages/me/me.js
// adminId=''
const app = getApp()
let userInfo1=''
let username=''
let photo=''
let openid=''
Page({
  data: {
  userInfo:'',
  open: false,
  indicatorDots: true,//是否显示面板指示点
  autoplay: true,//是否开启自动切换
  interval: 3000,//自动切换时间间隔
  duration: 500,//滑动动画时长
 //初始不显示外层
 isShow: false,
 //初始没点击目录,侧边栏在屏幕外
 clickmulu: false,
 isExamine: true,
 bindTap:true,
 openid:'',
 user_num:{},
 admin:''

  },
  onLoad(){
    this.setData({
      isExamine: app.globalData.isExamine,
    })
   let user=wx.getStorageSync('user')
   username=user.nickName
   photo=user.avatarUrl
   let openid=wx.getStorageSync('openid')
   openid=openid
   console.log('idid',openid)
   this.setData({
    userInfo:user
  })
  this.getUser()
  this.setData({
    admin:wx.getStorageSync('admin')
  })
  },
  //授权登录
login(){
  var that=this
  //调用云函数
  wx.cloud.callFunction({
    name:'login',
    success: (res) =>{
    var openid=res.result.openid
    console.log("iiii",openid);
    this.setData({
    openid:openid
    })
    }
  })
  console.log("iiiiii",openid)
    wx.getUserProfile({
      lang:"zh_CN",
      desc:'登录不能为空',
      success:res=>{
      let user=res.userInfo
      //把用户信息缓存在本地
      console.log('用户',user.nickName)
      wx.setStorageSync('user', user)
      username=user.nickName
      photo=user.avatarUrl
      this.setData({
        userInfo:user,
      })
      wx.cloud.database().collection('user').add({
        data:{
         openid:this.data.openid,
         username:username,
         photo:photo,
        }
      })
      wx.switchTab({
        url: '/pages/home/home',
      })
      },
      fail:res=>{
        wx.showToast({
          icon:'error',
          title: '登录失败！',
        })
      }
    })
},

//添加用户
getUser(){
  wx.cloud.database().collection('user').get()
  .then(res=>{
    console.log("dedede",res)
    this.setData({
     
    })
  })
  wx.getStorageSync('user')
},
//退出登录
loginout(){
  this.setData({
    userInfo:''
  })
  //清理本地缓存
  wx.setStorageSync('user', null)
},
//点击事件
click1(){
  wx.navigateTo({
    url: '../userInfo/userInfo',
  })
},
click2(){
  wx.navigateTo({
    url: '../shop_take/shop_take',
  })
},
click3(){
  wx.navigateTo({
    url: '../admin_student/admin_student',
  })
},
click4(){
  wx.navigateTo({
    url: '../gonggao/gonggao',
  })
},
click5(){
  wx.navigateTo({
    url: '../kebiao/kebiao',
  })
},
  //获取上传时间
  getNowFormatDate:function(){
    var data=new Date();
    var seperator1="-";
    var seperator2=":";
    var month=data.getMonth()+1;
    var strData=data.getDate();
    if(month>=1&&month<9){
      month="0"+month;
    }
    if(strData>=0&&strData<=9)
    {
      strData="0"+strData;
    }
    var currentdate=data.getFullYear()+seperator1+month+seperator1+strData+" "+data.getHours()+seperator2+data.getMinutes()+seperator2+data.getSeconds();
    return currentdate;
  },
})

//index.js
//获取应用实例
const app = getApp()
 let username=''
 let password=''
Page({
  data: {
    username: '',
    password: '',
    clientHeight:'',
    list:''
  },
  onLoad(){
    var that=this
    wx.getSystemInfo({ 
      success: function (res) { 
        console.log(res.windowHeight)
          that.setData({ 
              clientHeight:res.windowHeight
        }); 
      } 
    }) 
  },
  //获取输入款内容
  content(e){
    username=e.detail.value
  },
  password(e){
    password=e.detail.value
  },
  //登录事件
  bindGetPhoneNumber(){
    console.log(username,password)
    let flag = false  //表示账户是否存在,false为初始值
    if(username=='')
    {
      wx.showToast({
        icon:'none',
        title: '账号不能为空',
      })
    }else if(password==''){
      wx.showToast({
        icon:'none',
        title: '密码不能为空',
      })
    }else{
      wx.cloud.database().collection('admin')
      .get({
        success:(res)=>{
          console.log(res.data)
         this.setData({
           list:res.data
         })
          for (let i = 0; i <this.data.list.length; i++) {  //遍历数据库对象集合
            if (username === this.data.list[i].username) { //账户已存在
              flag=true;
              if (password == this.data.list[i].password) {
                wx.showToast({  //显示登录成功信息
                  title: '登陆成功！！',
                  icon: 'success',
                  duration: 2500
                })
                flag=true;
                wx.setStorageSync('admin', username)
                wx.navigateTo({
                 url: '../admin_me/admin_me',
               })
                break;
              }else{
                wx.showToast({
                  icon:'error',
                  title: '密码错误',
                })
              }
            }
          };
          if(flag==false)//遍历完数据后发现没有该账户
          {
            wx.showToast({
              title: '该用户不存在',
              icon: 'error',
              duration: 2500
            })
          }
        }
      })
    }
  },
})

3.总结

好了，今天的分享就到这里了。