var postsData = require('../../../data/post-data');

Page({

data: {},

onLoad: function(option) {

var postId = option.id;

this.setData({

currentPostId: postId

})

//根据编号取到文章数据，并绑定

var postData1 = postsData.postList[postId];

this.setData({

postData: postData1

})

//获取文章缓存中收藏状态‘post_collected’的值

var postsCollected = wx.getStorageSync('posts_collected')

//判断收藏状态是否为空，空则初始化其未false，非空则题去其状态

if (postsCollected) {

var postCollected = postsCollected[postId]

if (postsCollected) {

this.setData({

collected: postCollected

})

}

} else {

var postsCollected = {};

postsCollected[postId] = false;

// this.setData({

//   collected: postCollected

// })

wx.setStorageSync('post_collected', postsCollected);

}

},

// 点击收藏按钮后，图标发生相应的变化

onCollectionTap: function(event) {

// console.log(postsCollected)

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

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

//收藏变成未收藏，为收藏变成收藏

postCollected = !postCollected;

postsCollected[this.data.currentPostId] = postCollected;

//更新文章是否收藏的缓存数据

wx.setStorageSync('post_collected', postsCollected);

//同步数据绑定

this.setData({

collected: postCollected

})

}

})