背景
localStorage做数据持久化时,使用 JSON.parse解析一个字符串,作为持久化的默认值,获取默认值报错:
解决
const SERVER_ADDRESS = 'server_address'
// const SERVER_ADDRESS_DEF = '192.168.8.60'
const SERVER_ADDRESS_DEF = '"192.168.8.60"' //注意单引号里面再加个双引号表示字符串
readServerAddress() {
return JSON.parse(localStorage.getItem(SERVER_ADDRESS) || SERVER_ADDRESS_DEF);
},