How to get the value of the input tag in the applet

This article will introduce you to the method of WeChat applet to obtain the input tag value. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

Get the data in the input in the WeChat applet

<scroll-view>
<view id=&#39;titleView&#39;>
<text id="titleText">登录</text>
</view>
<view id=&#39;mainView&#39;>
<text>用户名</text>
<input class=&#39;input&#39; bindinput=&#39;usernameInput&#39;></input>
<text>密码</text>
<input class=&#39;input&#39; bindinput=&#39;passwordInput&#39;></input>
<button class="btn" bindtap=&#39;login&#39;>登录</button>
<button class=&#39;btn&#39; bindtap=&#39;toRegister&#39;>注册</button>
</view>
</scroll-view>

Login js page

var app=getApp();
Page({
login:function(e){
<!--拼接url通过后台验证跳转
this.data.username获取标签中值-->
  var url = app.globalData.serverIp +"/user/login.html?"
  +"username="+this.data.username
  +"&password="+this.data.password;
  <!--为this赋值给全局对方法中调用-->
  var page=this;
  <!--用request进行后台传输-->
  wx.request({
    url: url,
    success:function(response){
      var serverData=response.data;
      var status=serverData.status;
      var msg="登录失败";
      if(status==200){
        msg="登录成功";
        //跳转商场首页navigateTo
        wx.navigateTo({
          url:"../storeindex/storeindex",
        })
         //把username保存到手机上
        //sync表示同步 setStorageSync函数的作用是同步保存数据相当于http中的cookie
        wx.setStorageSync("username", page.data.username);
      }
      wx.showToast({
        title: msg
      })
    },
    fail:function(e){
      console.log("联网失败");
      console.log(e);
    },
    
data: {
    username:"",
    password:""
  },
  usernameInput:function(e){
    this.data.username=e.detail.value;
  },
  passwordInput: function (e) {
    this.data.password = e.detail.value;
  },
  })
},

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