How to submit data in thinkphp

Using the ThinkPHP framework for development, submitting data is a very common operation. In this framework, there are many ways to submit data, as follows:

1. GET method to submit data

Use GET method to submit data. You can pass parameters through the URL address. This method is applicable For a small amount of data, such as searching keywords, paging and other operations. In the ThinkPHP framework, you can obtain GET parameters in the following ways:

// 获取单个GET参数
$param = input('get.param');

// 获取所有GET参数
$params = input('get.');

2. Submit data by POST method

Use POST method to submit data, you can send a large amount of data to the server, such as form data, files Upload etc. In the ThinkPHP framework, POST parameters can be obtained in the following ways:

// 获取单个POST参数
$param = input('post.param');

// 获取所有POST参数
$params = input('post.');

3. Submit data in JSON mode

Submit data in JSON mode, which can be used in development where the front and back ends are separated, through AJAX Send JSON data format to the server in other ways. In the ThinkPHP framework, JSON parameters can be obtained in the following ways:

// 获取JSON参数
$json = file_get_contents('php://input');
$params = json_decode($json, true);   // 将JSON字符串转换成数组

4. Submitting data using PUT method

Using PUT method to submit data, you can modify existing resources on the server. In the ThinkPHP framework, you can obtain PUT parameters in the following ways:

// 获取PUT参数
$put = file_get_contents("php://input");
parse_str($put, $params);   // 将PUT参数转换成数组

5. Submit data in DELETE method

Use DELETE method to submit data to delete existing resources on the server. In the ThinkPHP framework, DELETE parameters can be obtained in the following ways:

// 获取DELETE参数
$delete = $_SERVER['QUERY_STRING'];
parse_str($delete, $params);   // 将DELETE参数转换成数组

In addition to the above 5 ways, the ThinkPHP framework also provides input objects, and submitted data can be obtained in the following ways:

// 获取All参数（包括GET、POST、JSON、PUT、DELETE）
$params = input('param.');

In the ThinkPHP framework, you can choose the appropriate method to obtain the submitted data according to your actual needs. At the same time, attention needs to be paid to security, and data submitted by users needs to be filtered and verified to prevent malicious behaviors such as injection and attacks.

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