Introduction to UI and container components in WeChat mini programs

This article mainly introduces the relevant information on the summary of WeChat Mini Program UI and container components. Friends in need can refer to the following

Summary of WeChat Mini Program UI and Container Components

1. Summary and overview

2. Container component

2.1 Component container (view)

2.2 Scroll-view container (scroll-view)

        2.3 Slider view container (swiper)

1. Summary and overview

1.1 UI component summary diagram

1.2 Overview

The UI component of the applet is a series of tags that define the user interface, similar to html tags. A complete user response process: event triggering——>UI component receives event——>trigger js function to respond to event——>update UI

2. Container component

2.1 Container component (view)

(1) Summary

(2) Example

Rendering

## page.wxml

<view>
 <text class="row-view-title">水平布局：</text>
 <view class="flex-wrp-row">
  <view class="flex-item-red" hover="true" hover-class="hover-style"><text class="color-text">red</text></view>
  <view class="flex-item-green" hover="true" hover-class="hover-style"><text class="color-text">green</text></view>
  <view class="flex-item-blue" hover="true" hover-class="hover-style"><text class="color-text">blue</text></view>
 </view>
</view>
<view>
 <text class="column-view-title">垂直布局：</text>
 <view class="flex-wrp-column" >
  <view class="flex-item-red" hover="true" hover-class="hover-style"><text class="color-text" >red</text></view>
  <view class="flex-item-green" hover="true" hover-class="hover-style"><text class="color-text">green</text></view>
  <view class="flex-item-blue" hover="true" hover-class="hover-style"><text class="color-text">blue</text></view>
 </view>
</view>

page.wxss

.flex-item-red{
 background-color: red;
 height: 200rpx;
 width: 200rpx;
 text-align: center;
 line-height: 200rpx;
}
.flex-item-green{
 background-color: green;
 height: 200rpx;
 width: 200rpx;
 text-align: center;
 line-height: 200rpx
}
.flex-item-blue{
 background-color: blue;
 height: 200rpx;
 width: 200rpx;
 text-align: center; 
 line-height: 200rpx 
}
.flex-wrp-row{
 flex-direction: row;
 display: flex;
 margin-left: 10rpx;
 margin-top: 20rpx;
}
.flex-wrp-column{
 flex-direction: column;
 display: flex;
 margin-left: 10rpx;
  margin-top: 20rpx;
}
.color-text{
 color: snow;
 font-family: 'Times New Roman', Times, serif;
 font-weight: bold;
}
.hover-style{
 background-color: black;
}
.row-view-title,.column-view-title{
 margin-left: 20rpx;
 font-family: 'Times New Roman', Times, serif;
 font-weight: bold;
}
/*重要属性：
 display: flex; //与display：box;是类似，是flexbox的最新语法格式，有更好的适配效果
 flex-direction: column; //表示子布局垂直布局
 flex-direction: row; //表示子布局为水平布局
*/

2.2 Scroll-view Container(scroll-view)

(1) Summary

(2) Example

Rendering:

## page.wxml

<view>
<text>水平滚动布局</text>
</view>
<view class="x-view">
 <scroll-view class="scroll-view-x" scroll-x="true" bindscrolltoupper="scrollXToUpper" bindscrolltolower="scrollXToLower" bindscroll="scroll" scroll-left="0" scroll-into-view="{{green}}">
  <view id="green" class="x_green"></view>
  <view id="red" class="x_red"></view>
  <view id="yellow" class="x_yellow"></view>
  <view id="blue" class="x_blue"></view>
 </scroll-view>
</view>
<view>
<text>垂直滚动布局</text>
</view>
<view class="y-view">
 <scroll-view class="scroll-view-y" scroll-y="true" bindscrolltoupper="scrollYToUpper" bindscrolltolower="scrollYToLower" bindscroll="scroll" scroll-top="0" scroll-into-view="{{green}}">
  <view id="green" class="y_green"></view>
  <view id="red" class="y_red"></view>
  <view id="yellow" class="y_yellow"></view>
  <view id="blue" class="y_blue"></view>
 </scroll-view>
</view>

page.wxss

.x_green{
 background-color: green;
 width: 500rpx;
 height: 300rpx;
 display: inline-flex;
}
.x_red{
 background-color: red;
 width: 500rpx;
 height: 300rpx;
 display: inline-flex;
 
}
.x_blue{
 background-color: blue;
 width: 500rpx;
 height: 300rpx;
 display: inline-flex; 
}
.x_yellow{
 background-color: yellow;
 width: 500rpx;
 height: 300rpx; 
 display: inline-flex; 
}
.y_green{
 background-color: green;
 width: 100%;
 height: 300rpx;
}
.y_red{
 background-color: red;
 width: 100%;
 height: 300rpx;
}
.y_yellow{
 background-color: yellow;
 width: 100%;
 height: 300rpx;
}
.y_blue{
 background-color: blue;
 width: 100%;
 height: 300rpx;
}
.scroll-view-x{
 display: flex;
 white-space: nowrap;
 width: 100%;
 margin-bottom: 20px;
 margin-top: 10px; 
 height: 300rpx; 
}
.scroll-view-y{
 height: 400rpx;
}
/*重要属性：
 white-space: nowrap;//设置内部元素不换行显示，与display: inline-flex;属性联合使用才会有水平布局的效果
*/

page.js

//index.js
//获取应用实例
var app = getApp()
//var color_index=['green','red','yellow','blue'];
Page({
 data:{
 toview:'red',
 },
/*滑动到左边触发*/
scrollXToUpper:function(){
 console.log('scrollXToUpper')
},
/*滑动到右边触发 */
scrollXToLower:function(){
 console.log('scrollXToLower')
},
/*滑动到顶部触发*/
scrollYToUpper:function(){
 console.log('scrollYToUpper')
},
/*滑动到左边触发 */
scrollYToLower:function(){
 console.log('scrollYToLower')
},
/*滑动触发 */
scroll:function(){
 console.log("scroll")
},
onLoad: function () {
 console.log('onLoad')
 var that = this
 },
})

2.3 Slider view container (swiper)

(1) Summary

(2) Example

Rendering:

## page.wxml

<swiper data-current="0" current="0" bindchange="itemChangeFunc" circular="true" indicator-dots="{{indicatorDots}}"
 autoplay="{{autoplay}}" interval="{{interval}}" duration="{{duration}}">
 <block wx:for="{{imgUrls}}" wx:key="swiperkeys">
  <swiper-item>
  <image src="{{item}}" class="slide-image" width="355" height="150"/>
  </swiper-item>
 </block>
</swiper>

page.js

//game.js
Page({
 data: {
 imgUrls: [
  '/image/wechat.png',
  'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg',
  'http://img06.tooopen.com/images/20160818/tooopen_sy_175866434296.jpg',
  'http://img06.tooopen.com/images/20160818/tooopen_sy_175833047715.jpg'
 ],
 indicatorDots: true,
 autoplay: true,
 interval: 3000,
 duration: 1000,
 current:1,
 },
 
 durationChange: function(e) {
 this.setData({
  duration: e.detail.value
 })
 },
 durationChange: function(e) {
 this.setData({
  duration: e.detail.value
 })
 },
itemChangeFunc:function(e){
 // console.log(e.target.dataset.current)
 
 console.log(e.detail)
}
})

The above is the entire content of this article. I hope it will be helpful to everyone’s study. For more related content, please pay attention to the PHP Chinese website!

Related recommendations:

Introduction to the use of WeChat applet button component

How to use WeChat applet textarea

Introduction to WeChat applet chart plug-in (wx-charts)

The above is the detailed content of Introduction to UI and container components in WeChat mini programs. For more information, please follow other related articles on the PHP Chinese website!