Introduction to custom modal pop-ups of WeChat mini programs

<!--button--> 
<view class="btn" bindtap="powerDrawer" data-statu="open">button</view> 
 
<!--mask--> 
<view class="drawer_screen" bindtap="powerDrawer" data-statu="close" wx:if="{{showModalStatus}}"></view> 
<!--content--> 
<!--使用animation属性指定需要执行的动画--> 
<view animation="{{animationData}}" class="drawer_box" wx:if="{{showModalStatus}}"> 
 
 <!--drawer content--> 
 <view class="drawer_title">弹窗标题</view> 
 <view class="drawer_content"> 
 <view class="top grid"> 
 <label class="title col-0">标题</label> 
 <input class="input_base input_h30 col-1" name="rName" value="可自行定义内容"></input> 
 </view> 
 <view class="top grid"> 
 <label class="title col-0">标题</label> 
 <input class="input_base input_h30 col-1" name="mobile" value="110"></input> 
 </view> 
 <view class="top grid"> 
 <label class="title col-0">标题</label> 
 <input class="input_base input_h30 col-1" name="phone" value="拒绝伸手党"></input> 
 </view> 
 <view class="top grid"> 
 <label class="title col-0">标题</label> 
 <input class="input_base input_h30 col-1" name="Email" value="仅供学习使用"></input> 
 </view> 
 <view class="top bottom grid"> 
 <label class="title col-0">备注</label> 
 <input class="input_base input_h30 col-1" name="bz"></input> 
 </view> 
 </view> 
 <view class="btn_ok" bindtap="powerDrawer" data-statu="close">确定</view> 
</view>

/*button*/ 
.btn { 
 width: 80%; 
 padding: 20rpx 0; 
 border-radius: 10rpx; 
 text-align: center; 
 margin: 40rpx 10%; 
 background: #000; 
 color: #fff; 
} 
 
/*mask*/ 
.drawer_screen { 
 width: 100%; 
 height: 100%; 
 position: fixed; 
 top: 0; 
 left: 0; 
 z-index: 1000; 
 background: #000; 
 opacity: 0.5; 
 overflow: hidden; 
} 
 
/*content*/ 
.drawer_box { 
 width: 650rpx; 
 overflow: hidden; 
 position: fixed; 
 top: 50%; 
 left: 0; 
 z-index: 1001; 
 background: #FAFAFA; 
 margin: -150px 50rpx 0 50rpx; 
 border-radius: 3px; 
} 
 
.drawer_title{ 
 padding:15px; 
 font: 20px "microsoft yahei"; 
 text-align: center; 
} 
.drawer_content { 
 height: 210px; 
 overflow-y: scroll; /*超出父盒子高度可滚动*/ 
} 
 
.btn_ok{ 
 padding: 10px; 
 font: 20px "microsoft yahei"; 
 text-align: center; 
 border-top: 1px solid #E8E8EA; 
 color: #3CC51F; 
} 
 
.top{ 
 padding-top:8px; 
} 
.bottom { 
 padding-bottom:8px; 
} 
.title { 
 height: 30px; 
 line-height: 30px; 
 width: 160rpx; 
 text-align: center; 
 display: inline-block; 
 font: 300 28rpx/30px "microsoft yahei"; 
} 
 
.input_base { 
 border: 2rpx solid #ccc; 
 padding-left: 10rpx; 
 margin-right: 50rpx; 
} 
.input_h30{ 
 height: 30px; 
 line-height: 30px; 
} 
.input_h60{ 
 height: 60px; 
} 
.input_view{ 
 font: 12px "microsoft yahei"; 
 background: #fff; 
 color:#000; 
 line-height: 30px; 
} 
 
input { 
 font: 12px "microsoft yahei"; 
 background: #fff; 
 color:#000 ; 
} 
radio{ 
 margin-right: 20px; 
} 
.grid { display: -webkit-box; display: box; } 
.col-0 {-webkit-box-flex:0;box-flex:0;} 
.col-1 {-webkit-box-flex:1;box-flex:1;} 
.fl { float: left;} 
.fr { float: right;}

Page({ 
 data: { 
 showModalStatus: false 
 }, 
 powerDrawer: function (e) { 
 var currentStatu = e.currentTarget.dataset.statu; 
 this.util(currentStatu) 
 }, 
 util: function(currentStatu){ 
 /* 动画部分 */ 
 // 第1步：创建动画实例 
 var animation = wx.createAnimation({ 
 duration: 200, //动画时长 
 timingFunction: "linear", //线性 
 delay: 0 //0则不延迟 
 }); 
 
 // 第2步：这个动画实例赋给当前的动画实例 
 this.animation = animation; 
 
 // 第3步：执行第一组动画 
 animation.opacity(0).rotateX(-100).step(); 
 
 // 第4步：导出动画对象赋给数据对象储存 
 this.setData({ 
 animationData: animation.export() 
 }) 
 
 // 第5步：设置定时器到指定时候后，执行第二组动画 
 setTimeout(function () { 
 // 执行第二组动画 
 animation.opacity(1).rotateX(0).step(); 
 // 给数据对象储存的第一组动画，更替为执行完第二组动画的动画对象 
 this.setData({ 
 animationData: animation 
 }) 
 
 //关闭 
 if (currentStatu == "close") { 
 this.setData( 
  { 
  showModalStatus: false 
  } 
 ); 
 } 
 }.bind(this), 200) 
 
 // 显示 
 if (currentStatu == "open") { 
 this.setData( 
 { 
  showModalStatus: true 
 } 
 ); 
 } 
 } 
 
})