<block wx:for="{{nums}}" wx:for-index='key' wx:for-item='item'>
<view class="maxbox" bindtap="imgchange" id="{{key}}">
<text class="nums">{{item.num}}</text>
</view>
</block>
Page({
data: {
nums:[
{num:11},
{num:22}
]
},
imgchange: function (event) {
//获取当前item的下标id 通过currentTarget.id
var id = event.currentTarget.id;
console.log(id);
var nums = this.data.nums[id].num;
console.log(nums);
},
})