第二章节 storage封装的 setItem出错
来源:2-11 storage二次封装

慕慕1545788
2021-05-07
代码:
storage.js:
import config from './../config'
export default {
setItem(key,val){
let storage =this.getStorage();
storage[key]=val;
window.localStorage.setItem(config.namespace,stringify(storage));
},
getItem(key){
return this.getStorage()[key];
},
getStorage(){
return JSON.parse(window.localStorage.getItem(config.namespace)|| "{}");
},
clearItem(){
let storage = this.getStorage()
delete storage[key]
},
clearAll(){
ndow.localStorage.clear()
}
}
App.vue:
<template>
<router-view></router-view>
</template>
<script>
export default {
name : 'app',
mounted(){
this.$storage.setItem('name',"Tome")
}
}
</script>
<style>
</style>
main.js:
import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
import ElementPlus from 'element-plus'
import 'element-plus/lib/theme-chalk/index.css'
import request from './utils/request'
import storage from './utils/storage'
console.log("环境变量=>",import.meta.env)
const app=createApp(App);
app.config.globalProperties.$request=request;
app.config.globalProperties.$storage=storage;
app.use(router).use(ElementPlus).mount('#app')
写回答
4回答
-
qq_慕先生1026127
2021-09-20
你直接
stringify(storage)
应该是
JSON.stringify(storage)
00 -
慕后端9509069
2021-06-25
有解决吗,我是一样的错误
00 -
河畔一角
2021-05-08
建议断点调试一下,这种问题通常都比较容易调试出来,直接看代码很难看出来。
00 -
慕九州4451910
2021-05-08
app. vue的第九行,你去一层一层console. log,肯定找得到问题的
00
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