JSPs only permit GET POST or HEAD的解決方案(REST風格)
專案使用的是jdk1.8 tomcat8
我是在看尚矽谷springmvc視訊的時候遇到的情況,如果改變tomcat的版本也可以解決問題,但是非吾願
直接看程式碼說問題,需要修改兩點
Controller類
@Controller
public class SpringMVCTest {
private static final String SUCCESS="success";
@RequestMapping(value="/testRest/{id}", method=RequestMethod.PUT)
//第一個修改的地方 需要加上@ResponseBody
@ResponseBodypublic String testRestPut(@PathVariable Integer id){
System.out.println("testRest Put: "+id);
return SUCCESS;
}
@RequestMapping(value="/testRest/{id}", method=RequestMethod.DELETE)
@ResponseBody
public String testRestDelete(@PathVariable Integer id){
System.out.println("testRest DELETE: "+id);
return SUCCESS;
}
Index.jsp
<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>
Web.xml
<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>
//第二個修改的地方 需要加上<servlet-name>mcpMvc</servlet-name>
<servlet-name>mcpMvc</servlet-name></filter-mapping>
修改這兩處之後,就能夠正常執行put和delete方法了