微信小程序实现评价功能

<view class="view_page">
  <view class="content_cls">
    <view class="cross_column" style="margin-top: 50rpx;">
      <label>总体评价：</label>
      <image class="imagecls" wx:for="{{5}}" wx:key="{{index}}" data-name="total" data-item="{{item}}" src="{{item-total+1>0?'../image/empty_stars.png':'../image/entity_stars.png'}}" bindtap="img_bind"></image>
    </view>
    <view class="cross_column">
      <label>服务态度：</label>
      <image class="imagecls" wx:for="{{5}}" wx:key="{{index}}" data-name="service" data-item="{{item}}" src="{{item-service+1>0?'../image/empty_stars.png':'../image/entity_stars.png'}}" bindtap="img_bind"></image>
    </view>
    <view class="cross_column">
      <label>施工质量：</label>
      <image class="imagecls" wx:for="{{5}}" wx:key="{{index}}" data-name="quality" data-item="{{item}}" src="{{item-quality+1>0?'../image/empty_stars.png':'../image/entity_stars.png'}}" bindtap="img_bind"></image>
    </view>
    <view class="cross_column">
      <label>维修时间：</label>
     <image class="imagecls" wx:for="{{5}}" wx:key="{{index}}" data-name="repairtime" data-item="{{item}}" src="{{item-repairtime+1>0?'../image/empty_stars.png':'../image/entity_stars.png'}}" bindtap="img_bind"></image>
    </view>
    <view class="cross_column" style="height:120rpx;margin-top:200rpx;margin-button:10rpx">
      <button bindtap="Reasons_bind" class="but_style">需要返修</button>
      <button class="but_style">确认评价</button>
    </view>
  </view>
</view>

/* pages/browse/evaluatepage.wxss */
/* 列合并 */
.cross_column {
  display: flex;
  height: 70rpx;
  line-height: 70rpx;
}

/* img图片样式 */
.imagecls {
  width: 70rpx;
  height: 70rpx;
}
/*按钮样式 */

.but_style {
 background-color: #f2a8b9;
  width: 200rpx;
  height: 100rpx;
  color: white;
}
/*报修评价内容样式 */

.content_cls {
  width: 70%;
  margin-left: 15%;
  background-color: white;
}
.content_cls view{
  margin-bottom: 50rpx;
}

data: {
    total: 5,//总体评价
    service: 5,//服务态度
    quality: 5,//施工质量
    repairtime: 5//维修时间
  },
  img_bind: function(event) {
    var id = event.currentTarget.dataset.item + 1;
    var variable = event.currentTarget.dataset.name;
    console.log(id)
    console.log(variable)
    if (variable == "total")
    this.setData({
      total: id,
    })
    else if (variable == "service")
      this.setData({
        service: id,
      })
    else if (variable == "quality")
      this.setData({
        quality: id,
      })
    else
    {
      this.setData({
        repairtime: id,
      })
    }
  },