How to add a pop-up box to the product details page of WeChat Mini Program-JS Tutorial-php.cn

How to add a pop-up box to the product details page of WeChat Mini Program

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Release： 2018-05-15 14:06:26

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This time I will bring you a WeChat mini programHow to add a pop-up box to the product details page of the WeChat mini program. What are the precautions for adding a pop-up box to the product details page of the WeChat mini program? The following are This is a practical case, let’s take a look at it.

In the Product details page of the e-commerce project, you can select the pop-up box of product attributes when adding to the shopping cart or placing an order. By setting the panning animation of the view, you can achieve the pop-up style from the bottom

1.js code (usually only the function that displays the dialog box is called. When clicking outside the dialog box, the dialog box can disappear)

//显示对话框
 showModal: function () {
  // 显示遮罩层
  var animation = wx.createAnimation({
   duration: 200,
   timingFunction: "linear",
   delay: 0
  })
  this.animation = animation
  animation.translateY(300).step()
  this.setData({
   animationData: animation.export(),
   showModalStatus: true
  })
  setTimeout(function () {
   animation.translateY(0).step()
   this.setData({
    animationData: animation.export()
   })
  }.bind(this), 200)
 },
 //隐藏对话框
 hideModal: function () {
  // 隐藏遮罩层
  var animation = wx.createAnimation({
   duration: 200,
   timingFunction: "linear",
   delay: 0
  })
  this.animation = animation
  animation.translateY(300).step()
  this.setData({
   animationData: animation.export(),
  })
  setTimeout(function () {
   animation.translateY(0).step()
   this.setData({
    animationData: animation.export(),
    showModalStatus: false
   })
  }.bind(this), 200)
 }

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2.wxss code

/*使屏幕变暗 */
.commodity_screen {
 width: 100%;
 height: 100%;
 position: fixed;
 top: 0;
 left: 0;
 background: #000;
 opacity: 0.2;
 overflow: hidden;
 z-index: 1000;
 color: #fff;
}
/*对话框 */
.commodity_attr_box {
 height: 300rpx;
 width: 100%;
 overflow: hidden;
 position: fixed;
 bottom: 0;
 left: 0;
 z-index: 2000;
 background: #fff;
 padding-top: 20rpx;
}

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3.wxml code (the showModalStatus variable must be initialized in the data object in the js code, initialized to false, because the dialog box is not displayed initially)

 <!--屏幕背景变暗的背景 -->
 <view class="commodity_screen" bindtap="hideModal" wx:if="{{showModalStatus}}"></view>
 <!--弹出框 -->
 <view animation="{{animationData}}" class="commodity_attr_box" wx:if="{{showModalStatus}}">在这里写弹出框里面的布局</view>

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4. Set the click event to the target View setting click function showModal() or hideModal()

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website!