微信小程序组件 —— 带搜索功能的选择器

效果

组件 search-picker 文件

wxml 文件：

<view class="search-picker">
	<input
	  class="picker-item-input"
      placeholder="请输入关键字"
      value="{
     
     {pickerValue}}"
      bindinput="input"
	/>
	<picker
	  class="picker-box"
      mode="selector"
      range="{
     
     {dataArray}}"
	  range-key="title"
      value="index"
      bindchange="change"
	>
		<view class="picker-icon cuIcon-unfold" />
	</picker>
</view>

wxss 文件：

注：/colorui/icon.wxss 文件来自 ColorUI 。

@import "/colorui/icon.wxss";

.search-picker {
    
    
  margin-left: 30rpx;
  background: #f8f8f8;
  border-radius: 40rpx;
  font-size: 14px;
  line-height: 80rpx;
  padding-left: 30rpx;
  display: flex;
}

.search-picker .picker-item-input {
    
    
  margin-left: 10rpx;
  width: 85%;
  height: 100%;
  line-height: 60rpx;
  font-size: 14px;
}

.search-picker .picker-box {
    
    
  width: 15%;
  height: 100%;
  justify-content: flex-end;
}

.search-picker .picker-box .picker-icon {
    
    
  margin-right: 35px;
  width: 100%;
  height: 72rpx;
}

js 文件：

Component({
    
    
  data: {
    
    
    pickerValue: ''
  },

  properties: {
    
    
    dataArray: {
    
    
      type: Array,
      value: []
    }
  },

  methods: {
    
    
    input(e) {
    
    
      const value = e.detail.value;
      this.setData({
    
    
        pickerValue: value
      });
      this.triggerEvent('inputEvent', value);
    },

    change(e) {
    
    
      const index = e.detail.value;
      const data = this.properties.dataArray[index];
      this.setData({
    
    
        pickerValue: data.title
      });
      this.triggerEvent('changeEvent', data.id);
    }
  }
})

使用

wxml 文件：

<search-picker
  dataArray="{
     
     {pickerData}}"
  bind:inputEvent="inputEvent"
  bind:changeEvent="changeEvent"
/>

js 文件：

Page({
    
    
  data: {
    
    
    pickerData: [
      {
    
    
          id: 1,
          title: '河零'
      },
      {
    
    
          id: 2,
          title: '奥斯丁'
      }
    ],
  },
  async inputEvent(e) {
    
    
    // const key = e.detail
    // 搜索代码...
    // ...
    this.setData({
    
    
      pickerData: this.data.pickerData
    })
  },

  changeEvent(e) {
    
    
	// 业务代码...
  },
})

参考：https://blog.csdn.net/cwin8951/article/details/116160189