我正在尝试构建一个 API 来存储和检索 MCQ 试卷。我正在使用 laravel 资源类来发送句柄 Json 数据。我需要在不使用多维数组的情况下在单个查询中将 40 条记录插入 MySQL 数据库。有什么方法吗?
来自前端的示例数据:
{
"data":[
{
"paper_id":"5",
"question_no":"2",
"question":"test insert code",
"answer1":"answer1",
"answer2":"answer2 ",
"answer3":"answer3 ",
"answer4":"Answer4 ",
"answerC":"Correct Answer",
"knowarea":"who knows!"
},
{
"paper_id":"5",
"question_no":"3",
"question":"test insert code",
"answer1":"answer1",
"answer2":"answer2 ",
"answer3":"answer3 ",
"answer4":"Answer4 ",
"answerC":"Correct Answer",
"knowarea":"who knows!"
},
{
"paper_id":"5",
"question_no":"4",
"question":"test insert code",
"answer1":"answer1",
"answer2":"answer2 ",
"answer3":"answer3 ",
"answer4":"Answer4 ",
"answerC":"Correct Answer",
"knowarea":"who knows!"
},
{
"paper_id":"5",
"question_no":"5",
"question":"test insert code",
"aanswer1":"answer1",
"answer2":"answer2 ",
"answer3":"answer3 ",
"answer4":"Answer4 ",
"answerC":"Correct Answer",
"knowarea":"who knows!"
}
]
}`
前端发送 40 个这样的对象,我需要将它们批量插入到我的数据库中。 下面的代码是我的 Controller 存储函数,
` $paper->paper_id = $request->input('paper_id');
$paper->question_no = $request->input('question_no');
$paper->question = $request->input('question');
$paper->answer1 = $request->input('answer1');
$paper->answer2 = $request->input('answer2');
$paper->answer3 = $request->input('answer3');
$paper->answer4 = $request->input('answer4');
$paper->answerC = $request->input('answerC');
$paper->knowarea = $request->input('knowarea');
if($paper->save())
{
return new ExamPaperResource($paper);
}
对于批量插入数据,我有哪些选择?
最佳答案
根据您的示例数据,您可以json_decode
数据,然后使用单个 Model::insert()
:
{
"data":[
{
"paper_id":"5",
"question_no":"2",
"question":"test insert code",
"answer1":"answer1",
"answer2":"answer2 ",
"answer3":"answer3 ",
"answer4":"Answer4 ",
"answerC":"Correct Answer",
"knowarea":"who knows!"
},
...
]
}
// Controller.php
public function store($json)
{
$data = json_decode($json, true);
Paper::insert($data);
}
这将从您的 json 创建数组,然后一次插入所有记录。
关于php - laravel 5.6批量插入json数据,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48861486/