微信小程序单选功能

<view catchtap="showSinger">
  单选按钮
  <singer id="singer" bind:singerCancel="_singerCancel" bind:singerConfirm="_singerConfirm" singerContent='{{singerContent}}' singer_list="{{singer_list}}">
  </singer>
</view>

Page({
 
  /**
   * 页面的初始数据
   */
  data: {
  
    singerContent: '单选按钮',
    singer_list: [{
      key: "100以下",
      name: "100以下"
    }, {
      key: "200以下",
      name: "200以下"
    }, {
      key: "300以下",
      name: "300以下"
    }, {
      key: "400以下",
      name: "400以下"
    }, {
      key: "500以下",
      name: "500以下"
    }, {
      key: "600以下",
      name: "600以下"
    }, {
      key: "700以下",
      name: "700以下"
    }, {
      key: "800以下",
      name: "800以下"
    }, {
      key: "900以下",
      name: "900以下"
    }, {
      key: "1000以下",
      name: "1000以下"
    }],
 
   
  },
 
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function() {
    //获得input_select组件
    this.input_select = this.selectComponent("#input_select");
 
    //获得singer组件 单选
    this.singer = this.selectComponent("#singer");
 
    //获得multiple组件  多选
    this.multiple = this.selectComponent("#multiple");
  },
 
 
  //**************************************单选自定义组件部分************************
  showSinger: function() {
    this.singer.showSinger();
  },
 
  //取消事件
  _singerCancel() {
    console.log('你点击了取消');
    this.singer.hideSinger();
  },
  //确认事件
  _singerConfirm(e) {
    console.log('你点击了确定==', e.detail);
    this.singer.hideSinger();
  },
 
})

{
  "usingComponents": {
    "singer": "/component/selector/singer/singer",
  }
}

<!--component/selector/singer.wxml-->
<view class='singer-bg' wx:if="{{isShow}}">
  <view class='singer-body'>
    <view class='singer-body-name'>
      <view class='singer-body-name-line'></view>
      <view class='singer-body-name-txt'>{{singerContent}}</view>
      <view class='singer-body-name-line'></view>
    </view>
    <view class='singer-body-list'>
      <block wx:for="{{singer_list}}" wx:for-item="item" wx:key="unique">
        <view class='list-item-choosed' wx:if="{{choose_type==item.key}}" data-key='{{item.key}}' bindtap='clicktype'>
          <view class='item-choosed-txt'>{{item.name}}</view>
        </view>
        <view class='list-item' data-key='{{item.key}}' bindtap='clicktype' wx:else>
          <view class='item-txt'>{{item.name}}</view>
        </view>
      </block>
    </view>
    <view class='singer-body-kongbai'></view>
    <view class='singer-body-icon'>
      <view class='icon-left' catchtap='_singerCancel'>重置</view>
      <view class='icon-right' catchtap='_singerConfirm'>确定</view>
    </view>
  </view>
</view>

Component({
  /**
   * 组件的属性列表
   */
  properties: {
    //标题文字
    singerContent: {
      type: String,
      value: ''
    },
    singer_list: {
      type: Array,
      value: [{
        key: '',
        name: ''
      }, ]
    }
  },
 
  /**
   * 组件的初始数据
   */
  data: {
    isShow: false,
    choose_type: "",
  },
  onLoad: function() {
    this.properties
  },
  /**
   * 组件的方法列表
   */
  methods: {
    clicktype: function(e) {
      this.setData({
        choose_type: e.currentTarget.dataset.key,
      })
    },
    //隐藏弹框
    hideSinger: function() {
      this.setData({
        isShow: false,
        json: {
          start: "",
          end: "",
        }
      })
    },
    //展示弹框
    showSinger: function() {
      this.setData({
        isShow: true,
      })
    },
    /*
     * 内部私有方法建议以下划线开头
     * triggerEvent 用于触发事件
     */
    _singerCancel() {
      //触发取消回调
      this.triggerEvent("singerCancel")
    },
    _singerConfirm() {
      //触发成功回调
      this.triggerEvent("singerConfirm", this.data.choose_type);
    }
  }
})

{
  "component": true
}

/* component/selector/singer.wxss */
 
.singer-bg {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.5);
}
 
.singer-bg .singer-body {
  min-width: 100%;
  width: 100%;
  height: 968rpx;
  max-height: 968rpx;
  background: rgba(255, 255, 255, 1);
  border-radius: 20px 20px 0px 0px;
  position: absolute;
  left: 0;
  bottom: 0;
}
 
.singer-bg .singer-body .singer-body-name {
  width: 100%;
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  margin-top: 60rpx;
  margin-bottom: 50rpx;
}
 
.singer-bg .singer-body .singer-body-name .singer-body-name-line {
  width: 260rpx;
  border-bottom: 2rpx solid rgba(240, 240, 240, 1);
}
 
.singer-bg .singer-body .singer-body-name .singer-body-name-txt {
  height: 48rpx;
  font-size: 34rpx;
  font-family: PingFangSC-Medium;
  font-weight: 500;
  color: rgba(0, 0, 0, 1);
  line-height: 48rpx;
  margin-left: 10rpx;
  margin-right: 10rpx;
}
 
.singer-bg .singer-body .singer-body-list {
  width: 100%;
  max-height: 650rpx;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 0rpx 10rpx 0rpx 40rpx;
  overflow: auto;
}
 
.singer-bg .singer-body .singer-body-list .list-item-choosed {
  width: 182rpx;
  height: 70rpx;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(191, 213, 236, 1);
  border-radius: 6rpx;
  margin-right: 30rpx;
  margin-bottom: 20rpx;
  padding: 0rpx 10rpx 0rpx 10rpx;
}
 
.singer-bg .singer-body .singer-body-list .list-item-choosed .item-choosed-txt {
  font-size: 30rpx;
  font-family: PingFangSC-Regular;
  font-weight: 400;
  line-height: 70rpx;
  color: rgba(0, 89, 179, 1);
  display: -webkit-box;
  word-break: break-all;
  text-overflow: ellipsis;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
 
/**/
 
.singer-bg .singer-body .singer-body-list .list-item {
  width: 182rpx;
  height: 70rpx;
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  background: rgba(240, 240, 240, 1);
  border-radius: 6rpx;
  margin-right: 30rpx;
  margin-bottom: 20rpx;
  padding: 0rpx 10rpx 0rpx 10rpx;
}
 
.singer-bg .singer-body .singer-body-list .list-item  .item-txt {
  font-size: 30rpx;
  font-family: PingFangSC-Regular;
  font-weight: 400;
  color: rgba(51, 51, 51, 1);
  line-height: 70rpx;
  display: -webkit-box;
  word-break: break-all;
  text-overflow: ellipsis;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
 
.singer-bg .singer-body .singer-body-kongbai {
  width: 100%;
  height: 120rpx;
}
 
.singer-bg .singer-body .singer-body-icon {
  width: 100%;
  height: 110rpx;
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  position: fixed;
  bottom: 0;
  z-index: 9999999999;
  background: rgba(255, 255, 255, 1);
}
 
.singer-bg .singer-body .singer-body-icon .icon-left {
  width: 374rpx;
  height: 110rpx;
  background: rgba(0, 89, 179, 0.1);
  font-size: 36rpx;
  font-family: PingFangSC-Regular;
  font-weight: 400;
  color: rgba(0, 89, 179, 1);
  line-height: 50rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}
 
.singer-bg .singer-body .singer-body-icon .icon-right {
  width: 374rpx;
  height: 110rpx;
  background: rgba(0, 89, 179, 1);
  font-size: 36rpx;
  font-family: PingFangSC-Regular;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  line-height: 50rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}