Cannot create property '0' on string ''

Question

onLoad:function(option){

var postId=option.id;

this.data.currentPostId=postId

var postData=postsData.postList[postId];

this.setData({

detail_key:postData,

})

var postsCollected=wx.getStorage("posts_Colleted")

if(postsCollected){

var postCollected=posts_Collected[postId]

this.setData({

collected:postCollected

})

}

else {

var postsCollected={}

postsCollected[postId]=false

wx.setStorageSync("posts_Colleted", 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:postCollected

})

}

Answer 1

慕姐2677449 2019-12-04 15:56:18

我也遇到了这个问题，这个究竟是为什么?

• qq_云水边静沐暖阳_04205942 #1

  把else里面第一行的var去掉，因为并不需要重新定一个变量

Answer 2

提问者 慕神4919395 2017-11-24 00:51:14

已经解决，请忽略

• 华灯初上丶 #1

  老哥你是怎么解决的呀，我试了一个下午了，求指点下，谢谢

• 这座城市在下雨 回复 华灯初上丶 #2

  求解是怎么解决的。。