Implementation method of card layout developed in PHP in WeChat mini program

With the popularity of mobile Internet, small programs have become an indispensable part of people's lives. As the most mainstream mini program platform in China, the development difficulty and complexity of WeChat mini programs are also increasing day by day. As mini programs continue to develop, PHP, as a widely used back-end language, has gradually been used in mini program development.

This article will focus on the implementation method of card layout developed in PHP in WeChat mini program, and provide some valuable reference opinions for the majority of developers.

1. The basic concept of card layout

Before explaining the specific implementation method, we need to first understand the basic concept of card layout.

Card layout refers to displaying information in blocks on the screen, with clear boundaries between each block. Each small block is called a "card", which is essentially a content similar to an ordinary HTML Div tag. Cards are easy to read and identify, and can adapt well to the mobile page layout.

Card layout can be used to display various types of content, such as news, products, information flows, etc. In WeChat mini programs, the card layout is very suitable for displaying products, activities, news and other related information content, and has a very wide range of application prospects.

2. How to implement card layout

In the WeChat applet, we can use PHP language to develop card layout. The following details how to implement card layout.

1. Preparation work

Before developing the card layout, we need to do some preparation work first. First, we need to prepare the development tools required for development, including WeChat developer tools and code editors. Secondly, we need to have a certain grasp and understanding of WeChat applet development and basic knowledge of PHP language.

2. Use PHP language to develop card layout

When developing card layout, we first need to use PHP language to write the HTML code of the card. The basic format of the card is as follows:

<div class="card">
  <div class="card-header">
    <img  src="/static/imghwm/default1.png"  data-src="header.png"  class="lazy" alt="Implementation method of card layout developed in PHP in WeChat mini program" >
    <h2 id="标题">标题</h2>
  </div>
  <div class="card-body">
    <img  src="/static/imghwm/default1.png"  data-src="body.png"  class="lazy" alt="Implementation method of card layout developed in PHP in WeChat mini program" >
    <p>正文内容</p>
  </div>
  <div class="card-footer">
    <span>时间：2021-01-01</span>
    <span>阅读量：1000</span>
  </div>
</div>

The entire card consists of three parts: card-header, card-body and card-footer. The card header is generally used to display titles and pictures, the card body is generally used to display text content and pictures, and the card foot is generally used to display some related information.

The style of card layout can be set using CSS. In PHP code, we can insert CSS code into the HTML code of the card, for example:

<style>
  .card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,.2);
    margin-bottom: 20px;
    overflow: hidden;
  }
  .card-header img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
  }
  .card-header h2 {
    font-size: 16px;
    color: #333;
    margin: 8px 0;
  }
  ...
</style>

Here, we use CSS code to set the style of the card, including the background color and rounded corners of the card Radius, shadow, etc. Through CSS code, we can have very flexible control over the style of the card to achieve various effects.

3. Embed the PHP code into the mini program

After completing the PHP development of the card layout, we need to embed the code into the WeChat mini program. The specific steps are as follows:

(1) Save the PHP code as an HTML file, such as card.html.

(2) Use the frame tag to introduce the HTML file in the WXML file of the WeChat applet, for example:

<frame src="/pages/card.html"></frame>

(3) Set the style of the frame in the WXSS file of the WeChat applet, for example :

frame {
  display: block;
  position: relative;
  width: 100%;
  height: 300px; /* 卡片高度 */
  margin-bottom: 20px;
  border: none;
}

(4) Set the frame properties in the JS file of the WeChat applet, for example:

Page({
  data: {
    src: '/pages/card.html'
  }
})

Through these settings, we can embed the card layout developed by PHP into WeChat in the mini program.

3. Summary

Card layout, as a method suitable for mobile phone page layout, is also widely used in WeChat mini programs. By using PHP to develop card-style layouts, we can achieve flexible control of styles to better meet user needs.

However, it should also be noted that the card layout may cause the page to load slower when displaying a large amount of information, and should be optimized. Therefore, when developing card layouts, developers need to comprehensively consider all factors to improve development efficiency and user experience.

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