小程序模拟循环数据

wxml:

<block wx:for="{{itemlist}}">
            <view class='activety_con_box_item'>
              <view class='item-img'>
                <image src='{{item.pic}}'></image>
              </view>
              <view class='author'>{{item.author}}</view>
              <view class='description'>{{item.description}}</view>
              <view class='choose'>
                <view class="choose_item {{current==item.user_id ?'active':'' }}" bindtap='choose' data-id="{{item.user_id}}">选择</view>
              </view>
            </view>
          </block>

js:

data: {
    current:null,
    current1: null,
    num :1,
    itemlist:[
      {
        user_id:0,
        pic:"/../img/yulan.jpg",
        author: "小明",
        description: "描述了一个小镇的安详情景"
      },
      {
        user_id: 1,
        pic: "/../img/yulan.jpg",
        author: "小明",
        description: "描述了一个小镇的安详情景"
      },

    ]


  },
choose1: function (e) {
    var that = this;
    // console.log(e.currentTarget.dataset.id)
    that.setData({
      current1: e.currentTarget.dataset.id
    })
  },
//console.log(e)
result==>
				
					
						Array(1)
					
					
						
							0:{identifier: 0, pageX: 296, pageY: 1024, clientX: 296, clientY: 492, …}
						
						
							length:1
						
						
							__proto__:Array(0)
						
					
					
						currentTarget:
					
					
						
							dataset:{id: "2"}
						
						
							id:""
						
						
							offsetLeft:242
						
						
							offsetTop:1013
						
						
							__proto__:Object
						
					
					
						detail:{x: 296, y: 1024}
Array(1)
0:{identifier: 0, pageX: 296, pageY: 1024, clientX: 296, clientY: 492, …}
length:1
__proto__:Array(0)
currentTarget:
dataset:{id: "2"}
id:""
offsetLeft:242
offsetTop:1013
__proto__:Object
detail:{x: 296, y: 1024}