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requestmapping中必须要return吗
"相关结果约100,000,000个
System.out.println(id);System.out.println(name);model.addAttribute("message", "111111");return "users";} 2、 直接用HttpServletRequest获取 RequestMapping(method = RequestMethod.GET)public String get(HttpServle...
其实简单粗暴的理解,就是如果@RestController注解Controller,则返回的内容就是Return 里的内容。例如:RestController RequestMapping public class TestController { RequestMapping("/index")public String index() { return "user...
RequestMapping(value = "/xxxx.do")public String create(@ModelAttribute User user) throws Exception { userService.insert(user);return "redirect:/user/create.do";} 4.Request对象 public ModelAndView method1(Http...
HttpServletRequest request){ return "dscCompany";}/** * 注解表明,方法对应REST风格url的请求,这是一个post请求 * http://……/(class 上的RequestMapping)/dscCompany/queryByPage * ModelAttribute(value="...
responsebody表示该方法的返回结果直接写入HTTP response body中。它的使用情况如下:1、一般在异步获取数据时使用,在使用@RequestMapping后,返回值通常解析为跳转路径,加上@responsebody后返回结果不会被解析为跳转路径,而是...
RequestMapping("/addUser1")public String addUser1(String userName,String password) { System.out.println("userName is:"+userName);System.out.println("password is:"+password);return "/user/success";} 2、通过...
var localhostPaht=curWwwPath.substring(0,pos);//获取带"/"的项目名,如:/uimcardprj var projectName=pathName.substring(0,pathName.substr(1).indexOf('/')+1);return(localhostPaht+projectName);} //获取路径 ...
(2)用这个bean来封装接收的参数 /*** 3、通过一个bean来接收* @param user* @return*/@RequestMapping("/addUser3") public String addUser3(UserModel user) {System.out.println("username is:"+user.getUsernam...
return author SHANHY create 2016年1月5日 / RequestMapping(value = {"/","/index"})public String index(Map<String, Object> model){ // 直接返回字符串,框架默认会去 spring.view.prefix 目录下的 (index拼接...
request.setAttribute("user", user);return "hello";} 也可以指定该参数是非必须的required=false,如:RequestMapping("/hello.do")public String hello(HttpServletRequest req,HttpServletResponse resp,@RequestParam(value="...