PHP implementation of WeChat mini program floating box techniques

In recent years, WeChat mini programs have become very popular, and many companies and developers have begun to develop their own mini programs. However, if you want to attract users to use mini programs and improve user experience, you need not only good functions, but also interface design and user interaction. This article will introduce how to use PHP to implement the floating box effect in WeChat mini programs and add new interaction methods to the mini programs.

1. The function of the floating box

The floating box refers to a floating window that floats on a web page or application. It is often used for gadgets, announcements, advertisements and other functions. In the WeChat mini program, the floating box can be used to:

1. Remind users of operations such as adding shopping carts, sharing with friends, etc. You can use the floating box to remind users.
2. Display event information: For example, limited-time discounts, new product launches and other activities, users can be guided to participate through floating boxes.
3. Convenient for users to return: For example, long pages or map pages can provide the function of returning to the previous menu through a floating box.

2. Implementation steps

1. Introducing the Jquery library

The implementation of the floating box requires the use of the Jquery library, so we need to first import the Jquery library Introduced into the mini program. It can be introduced through CDN or downloaded locally. Let’s take the CDN introduction method as an example:

<script src="http://cdn.bootcss.com/jquery/2.1.4/jquery.min.js"></script>

2. Set the style of the floating box

In the CSS file, set the style of the floating box, for example:

.float-box{
  position: fixed;
  bottom: 10px;
  right: 10px;
  background-color: #ff9032;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  text-align: center;
  line-height: 30px;
  font-size: 24px;
  color: #fff;
  box-shadow: 1px 1px 3px rgba(0,0,0,.2);
  z-index: 99999;
  transition: all .2s;
}

3. Write the HTML code of the floating box

In the HTML file, write the HTML code of the floating box, for example:

<a href="#" class="float-box">
  <i class="iconfont icon-return"></i>
</a>

4. Add related events of the floating box

In Jquery, use the .click() function to add a click event to the floating box, for example:

$('.float-box').click(function(){
  // 点击事件的处理逻辑
});

5. Use animation effects to show and hide

Through the combined use of .show(), .fadein(), .fadeout() and other functions, suspension can be achieved Animated display and hiding of boxes. For example:

// 显示动画
$('.float-box').show().animate({
  'opacity' : 1,
  'bottom' : '100px'
},500);

// 隐藏动画
$('.float-box').animate({
  'opacity' : 0,
  'bottom' : '-50px'
},500,function(){
  $(this).hide();
});

6. Use of floating box

Integrate the above code and use the floating box in the following ways:

  
  
  <script src="http://cdn.bootcss.com/jquery/2.1.4/jquery.min.js"></script>
  
  <script>
    $(function(){
      $('.float-box').click(function(){
        alert('点击了悬浮框！');
      });

      // 显示动画
      $('.float-box').show().animate({
        'opacity' : 1,
        'bottom' : '100px'
      },500);

      // 隐藏动画
      $('.float-box').animate({
        'opacity' : 0,
        'bottom' : '-50px'
      },500,function(){
        $(this).hide();
      });
    });
  </script>



<a href="#" class="float-box">
  <i class="iconfont icon-return"></i>
</a>

3. Summary

Through the above steps, we can achieve the effect of adding a floating box to the WeChat applet, providing users with more convenient operations and a good interactive experience. However, not all mini programs need to use floating boxes. Factors such as page design, user needs, and usage scenarios need to be comprehensively considered. When using floating boxes, you should be careful not to overuse them or design overly complex interactions that affect the user experience.

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