springmvc三: REST

 

web.xml中配置过滤器

<filter><filter-name>HiddenHttpMethodFilter</filter-name><filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class></filter><filter-mapping><filter-name>HiddenHttpMethodFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping>

 在jsp页面中，配置请求

<br><br><form action="SpringMvc/testRest/1" method="POST"><input type="hidden" name="_method" value="PUT" /><input type="submit" value="TestRest PUT"/></form><br><br><form action="SpringMvc/testRest/1" method="POST"><input type="hidden" name="_method" value="DELETE" /><input type="submit" value="TestRest DELETE"/></form><br><br><form action="SpringMvc/testRest" method="POST" ><input type="submit" value="TestRest POST" /></form><br><br><a href="SpringMvc/testRest/1">Test Rest GET</a><br><br>

在控制器中写方法，并且使用@RequestMapping映射url 

package com.atChina.controller;import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod;@RequestMapping("/SpringMvc") @Controller public class RequestMapperingTest {/** REST风格的URL* 以CRUD为例* 以前的url请求格式 * 新增: /order POST* 修改: /order/1 PUT update?id=1* 获取: /order/1 GET get?id=1* 删除: /order/1 DELETE delete?id=1* * 可以将POST请求转化为DELETE,PUT请求,那么如何转换POST请求呢?* 1. 需要在web.xml中配置HiddenHttpMethodFilter* 2. 需要发送POST请求* 3. 需要在发送POST请求时,携带一个name="_method"的隐藏域* * 在SpringMVC的目标方法中如何得到id呢?* 使用@PathVariable注解* */@RequestMapping(value="/testRest/{id}", method=RequestMethod.PUT)public String TestRestPut(@PathVariable("id") Integer id){System.out.println("test Rest put"+id);return "success";}@RequestMapping(value="/testRest/{id}", method=RequestMethod.DELETE)public String TestRestDelete(@PathVariable("id") Integer id){System.out.println("test Rest delete"+id);return "success";}@RequestMapping(value="/testRest", method=RequestMethod.POST)public String TestRest(){System.out.println("test Rest POST ");return "success";}@RequestMapping(value="/testRest/{id}", method=RequestMethod.GET)// public String TestRest(@PathVariable("id") Integer id){public String TestRest(@PathVariable Integer id){ //如果方法的参数和URL的模板一样时,@PathVariable可以不指定value的值System.out.println("test Rest GET"+id);return "success";}}

 

总结

以上是生活随笔为你收集整理的springmvc三: REST的全部内容，希望文章能够帮你解决所遇到的问题。

如果觉得生活随笔网站内容还不错，欢迎将生活随笔推荐给好友。