Question

我在laravel 5.6中更新模型数据时遇到问题，经过很多次，我发现实际上问题在于created_at和updated_at。我的代码：

$editStuState = StuAtt::where('studentId' , '=' , 1007)->first();
dd($editStuState -> created_at);

和dd($editStuState)

StuAtt {#382 ▼
  #table: "stu_attendance"
  #connection: "mysql"
  #primaryKey: "id"
  #keyType: "int"
  +incrementing: true
  #with: []
  #withCount: []
  #perPage: 15
  +exists: true
  +wasRecentlyCreated: false
  #attributes: array:7 [▼
    "id" => "3"
    "studentId" => "1007"
    "present" => "7"
    "absent" => "2"
    "leave" => "6"
    "created_at" => "2018-04-19 07:01:19.929554"
    "updated_at" => "2018-04-19 02:31:19.000000"
  ]
  #original: array:7 [▼
    "id" => "3"
    "studentId" => "1007"
    "present" => "7"
    "absent" => "2"
    "leave" => "6"
    "created_at" => "2018-04-19 07:01:19.929554"
    "updated_at" => "2018-04-19 02:31:19.000000"
  ]
  #changes: []
  #casts: []
  #dates: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [▶]
}

出现错误

InvalidArgumentException
Trailing data

错误在哪里以及如何解决？

Answer 1

尾随数据是碳误差，因为你可能使用Postgres而你的日期会返回毫秒。

＆＃34; created_at＆＃34; =＆GT; ＆＃34; 2018-04-19 07：01：19.929554＆＃34;

您可以将以下方法添加到（基础）模型中。

public function getDateFormat()
{
     return 'Y-m-d H:i:s.u';
}

Laravel打印created_at时的尾随数据

1 个答案: