微信小程序实现点赞、取消点赞功能

 <block wx:for=\"{{msg}}\">
 <image class=\'imgList\' hidden=\'{{item.show}}\' bindtap=\'zan\' data-index=\'{{index}}\' src=\'../resizeApi.png\'></image>
      <image class=\'imgList\' hidden=\'{{!item.show}}\' bindtap=\'zan\' data-index=\'{{index}}\' src=\'../resizeApi (1).png\'></image>
      <text> {{item.show}}</text>
 </block>

.imgList{
 height: 150rpx;
 width: 150rpx;
}

Page({

 data: {
  msg: [
   { \'show\': true },
   { \'show\': false },
   { \'show\': false },
   { \'show\': false },
   { \'show\': false },
   { \'show\': false },
   { \'show\': false },
   { \'show\': false },
  ]
 },
 zan: function (e) {
  const vm = this;

  const _index = e.currentTarget.dataset.index;

  let _msg = [...vm.data.msg]; // msg的引用

  _msg[_index][\'show\'] = !vm.data.msg[_index][\'show\'];


  vm.setData({
   msg: _msg

  })

 }
});