@PathVariable Annotation
In this tutorial you will learn about @PathVariable Annotation
In this tutorial you will learn about @PathVariable Annotation@PathVariable Annotation
By using the @PathVariable annotation you can create the dynamic varible at the url and can access that varible from there as.
/*
* Here pathVar is the new path variable when it finds the
* /param/process-form/pathVar it is copies by the @PathVariable into the
* pathVar variable.
* try url as when you are running application '/PathVariableAnnotation/param/client-req/productName'
*/
@RequestMapping(value = "/client-req/{pathVar}")
public String processReq(Model model,
@PathVariable("pathVar") String pathVar) {
model.addAttribute("pathVar", pathVar);
return "view-data";
}
Please consider the complete controller class given below
SampleInterfaceImp.java
package roseindia.controller;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
@RequestMapping(value = "/param/")
public class ApplicationController {
/*
* Here pathVar is the new path variable when it finds the
* /param/process-form/pathVar it is copies by the @PathVariable into the
* pathVar variable.
* try url as when you are running application '/PathVariableAnnotation/param/client-req/productName'
*/
@RequestMapping(value = "/client-req/{pathVar}")
public String processReq(Model model,
@PathVariable("pathVar") String pathVar) {
model.addAttribute("pathVar", pathVar);
return "view-data";
}
/*
* By using @PathVariable you can also add new variable between the URL.
* try url as when you are running application '/PathVariableAnnotation/param/product/YourNewVarible/information'
*/
@RequestMapping(value = "/product/{productName}/information")
public String anotherReq(Model model,
@PathVariable("productName") String productName) {
model.addAttribute("productName", productName);
return "view-data";
}
}
You can download the complete source code from here
