微信小程序picker-view样式

自定义组件弹出框

.tip-area {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, .5);
  z-index: 1000;
}

.dialog-bg {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.dialog-content {
  width: 65vw;
  min-height: 260rpx;
  border-radius: 25rpx;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #252525;
}

.tip-title {
  margin-top: 30rpx;
  font-size: 35rpx;
  color: #F3C38F;
  font-weight: 600;
}

.tip-txt {
  font-size: 25rpx;
  color: #858584;
}

.btn-single-content {
  width: 85%;
  height: 65rpx;
  border-radius: 40rpx;
  background: #F3C28E;
  text-align: center;
  line-height: 65rpx;
  font-size: 30rpx;
  color: black;
  margin: 30rpx 0 50rpx 0;
}

picker-view {
  position: relative;
  background: #252525;
  text-align: center;
  box-sizing: border-box;
  width: 100%;
  height: 40vw;
  margin: 30rpx 0rpx;
  padding: 0 120rpx;
  box-sizing: border-box;
  background: transparent;
}

.shu-line {
  width: 15rpx;
  height: 150rpx;
  background: #252525;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

picker-view-column {
  color: #F3C28E;
  font-size: 40rpx;
  background: transparent;
}

.pickerCol {
  width: 100%;
  height: 90rpx;
  border-top: 1px solid transparent;
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(to right, #2D2D2D, #545550, #2D2D2D) 1 1;
  background: transparent;
}

.pickerCol::before {
  content: '';
  position: absolute;
  top: 0px;
  border: none;
}

.pickerCol::after {
  content: '';
  position: absolute;
  bottom: 0;
  border: none;
}

.picker-mask {
  background-color: transparent;
  opacity: 0;
}

.pre-horver {
  transform: scale(.96);
  /* box-shadow: 0 0 10px 0 #b8b9bd; */
  /* border-radius: 120rpx; */
}

.big-txt {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  font-size: 40rpx;
}

.small-txt {
  font-size: 25rpx;
  align-self: stretch;
}

<view wx:if="{{isShowTimeDialog}}" class="tip-area">
  <view class="dialog-bg">
    <view class="dialog-content">
      <view class="tip-title">时间设置</view>
      <picker-view bindchange="changeHandler" value="{{timeShowIndex}}" indicator-class='pickerCol' mask-class="picker-mask">
        <picker-view-column>
          <view wx:for="{{timeArr}}" wx:key="item" style="line-height: 50px">{{item}}</view>
        </picker-view-column>
      </picker-view>
      <view class="tip-txt">{{timeTipStr}}</view>
      <view bind:tap="clickHandler" class="btn-single-content">确定</view>
    </view>
  </view>
</view>

Component({
  properties: {
    isShowTimeDialog: { //是否显示弹出框
      value: false,
      type: Boolean
    },
    dialogTimeType: { //显示弹出框类型
      value: 0,
      type: Number
    },
    timeSetShow: {
      value: 0.5 * 60,
      type: Number
    },
    timeTipStr: { //提示字符串
      value: '推荐时间:05m 00s',
      type: String,
    }
  },
  data: {
    timeShowIndex: [0], //显示时间的下标
    timeArr: [0.5 * 60, 1.0 * 60, 1.5 * 60, 2.0 * 60, 2.5 * 60, 3.0 * 60, 3.5 * 60, 4.0 * 60, 4.5 * 60, 5.0 * 60],
  },
  observers: {
    timeSetShow: function (setTime) {
      const timeArr = this.data.timeArr;
      for (let index = 0; index < timeArr.length; index++) {
        const element = timeArr[index];
        if (setTime == element) {
          this.setData({
            timeShowIndex: [index],
          })
          break;
        }
      }
    }
  },
  methods: {
    changeHandler(e) { //时间选择监听事件
      const indexArr = e.detail.value;
      this.data.timeShowIndex = indexArr;
    },
    clickHandler(e) { //点击事件
      // wx.audio.key();
      const timeArr = this.data.timeArr;
      this.triggerEvent('clickDialog', {
        dialogType: this.data.dialogTimeType,
        time: timeArr[this.data.timeShowIndex[0]],
        timeShowIndex: this.data.timeShowIndex,
      });
    }
  },
})

页面中使用

{
  "usingComponents": {
    "time-dialog": "../../components/time-dialog/index"
  },
  "enablePullDownRefresh": true,
  "backgroundTextStyle": "dark",
  "navigationBarTitleText": "dialog"
}

<time-dialog isShowTimeDialog="{{isShowTimeDialog}}" isSmallTime="{{isSmallTime}}" timeShowIndex="{{timeShowIndex}}" timeTipStr="{{timeTipStr}}" bind:clickDialog="clickTimeDialogHandler"></time-dialog>

clickTimeDialogHandler(e) { //时间弹出框监听事件
   const time = e.detail.time;
   const timeShowIndex = e.detail.timeShowIndex;
   this.data.timeShowIndex = timeShowIndex;
   this.setData({
     isShowTimeDialog: false,
     time: time,
   })
},
showDialogClick() { //显示弹出框
    const yearShowIndex = this.data.yearShowIndex;
    const monthShowIndex = this.data.monthShowIndex;
    this.setData({
      isShowDateDialog: true,
      yearShowIndex: yearShowIndex,
      monthShowIndex: monthShowIndex,
    })
 },