How to Handle Complex Objects as GET Request Parameters in Spring MVC?

Complex objects in GET requests

When you need to filter a data table using Ajax GET requests, using many separate request parameters is possible It will become cumbersome. This article will explore how to use complex objects as GET request parameters in Spring MVC to simplify this process.

Consider the following scenario: There is a page that lists objects in a table, and a form is needed to filter the table. The filter information will be sent as a GET request to a URL similar to http://foo.com/system/controller/action?page=1&prop1=x&prop2=y&prop3=z.

To achieve this, you can use complex objects as request parameters instead of having multiple parameters in the controller. The following example demonstrates how to define these properties in the MyObject class:

public class MyObject {
    private String prop1;
    private String prop2;
    private String prop3;

    // Getters and setters...
}

Now, you can use complex objects as request parameters instead of a single request parameter. By removing the @RequestParam annotation, Spring will automatically bind the request parameters to the class instance: Complex filtering parameters for the request.

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