var data1 = wx.getStorageSync('data') //本地json

var strdata = JSON.stringify(data1)

var objdata = JSON.parse(strdata)

console.log(strdata)

console.log(objdata )

本地的转换没问题，从数据库取出的utf-8编码字符串，转换时出现错误

var data2 = JSON.parse(res.data.data) //这里报错

下图90行和91行是本地json转换的,93是数据库返回的

后台返回的json字符串

{"listdata":[{"name":"邮箱","describe":"存放邮箱账号密码","rank":"2","creattime":1611809345023,"data":[]},{"name":"游戏","describe":"存放游戏账号","rank":"1","creattime":1611809345023,"data":[]},{"name":"网页","describe":"存放游戏账号","rank":"1","creattime":1611809345023,"data":[]},{"name":"其它","describe":"存放暂未分类的账号","rank":"0","creattime":1611809345023,"data":[]}],"openid":"null","recovery":[]}