/*detail.js部分代码*/

data: {

},

/**

  * 生命周期函数--监听页面加载

  */

onLoad: function (options) {

var postId = options.id;

console.log(postId);

this.setData({

currentPostId : postId

})

var postData = postsData.postList[postId];

this.setData({

postData:postData

})

var postsCollected = wx.getStorageSync('posts_collected')

if(postsCollected){

var postsCollected = postsCollected[postId]

this.setData({

collected:postsCollected

})

}

else{

var postsCollected ={};

postsCollected[postId]=false;

wx.setStorageSync('posts_collected', postsCollected)

}

},

onCollectionTap:function(event){

var postsCollected = wx.getStorageSync('posts_collected');

var postCollected = postsCollected[this.data.currentPostId];

postCollected = !postCollected;

postsCollected[this.data.currentPostId] = postCollected;

wx.setStorageSync('posts_collected', postsCollected);

this.setData({

collected: postsCollected

})

},

/*detail.wxml部分代码*/

<image wx:if="{{collected}}" catchtap="onCollectionTap" src="/images/icon/icon2.png"></image>

<image wx:else catchtap="onCollectionTap" src="/images/icon/icon1.png"></image>

谢谢老师啦