tryPlay:试玩项目网站react website 源码

加 让用户=新的LoginInfo({ "account": '13540050551', "password": 'administrator' }); user.save(); 查询 LoginInfo.find({“ account”:'13540050551'},(err,docs)=> { if(err) console.log(err) console.log(docs); console.log('查询完成!') }); 修改 LoginInfo.find({“ _ id”:“ 5d13221be9feba0dad6571f2”},(err,docs)=> { let da