本文介绍了在localStorage中存储对象的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有这样一个数组:
[{name:"test", time:"Date 2017-02-03T08:38:04.449Z"}]
我将其存储在 localstorage
当我从 localstorage
中检索数据时,我得到了值:
I stored it in localstorage
and when I retrieving data from localstorage
I got the value:
[object, object]
如何解决此问题?
config.ts
import { Injectable } from "@angular/core";
@Injectable()
export class TokenManager {
public tokenKey: string = 'app_token';
constructor() { }
store(content) {
var contentData;
console.log("inside localstorsge store:", content);
contentData = content.map(
(data) => data.name
)
console.log("contentData:", contentData)
localStorage.setItem(this.tokenKey, content);
}
retrieve() {
console.log("inside localstorage");
let storedToken: any = localStorage.getItem(this.tokenKey);
console.log("storedToken:", storedToken);//====> here this console is[object object]
if (!storedToken) throw 'no token found';
return storedToken;
}
}
推荐答案
本地存储仅限于使用 JSON.stringify
处理您可以执行的字符串键/值对,同时获取值 JSON.parse
local storage limited to handle only string key/value pairs you can do like below using JSON.stringify
and while getting value JSON.parse
var testObject ={name:"test", time:"Date 2017-02-03T08:38:04.449Z"};
将对象存入存储空间:
localStorage.setItem('testObject', JSON.stringify(testObject));
从存储中检索对象:
var retrievedObject = localStorage.getItem('testObject');
console.log('retrievedObject: ', JSON.parse(retrievedObject));
这篇关于在localStorage中存储对象的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!