WeChat applet simply implements form form to obtain input data example sharing-Mini Program Development-php.cn

WeChat applet simply implements form form to obtain input data example sharing

小云云

Release： 2018-05-21 11:20:03

Original

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This article mainly introduces the WeChat applet's simple implementation of the form form's function of obtaining input data, involving the WeChat applet's event binding and data acquisition and other related operation skills for the form form. Friends who need it can refer to it. I hope it can help everyone. .

1. Effect display

2. Key code

index.wxml

<form bindsubmit="formBindsubmit" bindreset="formReset">
 <view style="display:flex;">
  <label>用户名：</label>
  <input name="userName" placeholder="请输入用户名！" />
 </view>
 <view style="display:flex;">
  <label>密码：</label>
  <input name="psw" placeholder="请输入密码！" password="true" />
 </view>
 <view style="display:flex;margin-top:30px;">
  <button style="width:30%;" formType="submit" >登录</button>
  <button style="width:30%" formType="reset" >重置</button>
 </view>
</form>
<view>{{tip}}</view>
<view>{{userName}}</view>
<view>{{psw}}</view>

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index.js

Page({
 data:{
  // text:"这是一个页面"
  tip:&#39;&#39;,
  userName:&#39;&#39;,
  psw:&#39;&#39;
 },
 formBindsubmit:function(e){
  if(e.detail.value.userName.length==0||e.detail.value.psw.length==0){
   this.setData({
    tip:&#39;提示：用户名和密码不能为空！&#39;,
    userName:&#39;&#39;,
    psw:&#39;&#39;
   })
  }else{
   this.setData({
    tip:&#39;&#39;,
    userName:&#39;用户名：&#39;+e.detail.value.userName,
    psw:&#39;密码：&#39;+e.detail.value.psw
   })
  }
 },
 formReset:function(){
  this.setData({
   tip:&#39;&#39;,
   userName:&#39;&#39;,
   psw:&#39;&#39;
  })
 }
})

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