浅谈SpringMVC的五种数据提交方式

单数据提交

//Index.jsp

单个数据提交

---

   i d:


   姓名:


   


   

//servlet类

@Controller

public class DataSubmitAction {

   /**

    *i d:


    *姓名:


    */

   @RequestMapping(value = "/one")

   public String oneData(int id,String name){

       System.out.println("id:"+id+" name:"+name);

       return "main";

   }

}

对象数据提交

POJO

Index.jsp

对象数据提交

---

   i d:


   姓名:


   


   

Servlet类(controller)

@RequestMapping(value = "/Object")

public String ObjectData(User user){

   System.out.println(" id:"+user.getId()+" name:"+user.getName());

return "main";

}

动态占位符数据提交

用于超链接或地址栏提交数据

Index.jsp

动态占位符提交数据

---

   动态提交数据

Servlet类(controller)

@RequestMapping(value = "/placeholder/{id}/{name}")

public String placeholderData(@PathVariable int id,@PathVariable String name){

   System.out.println("id: "+id+" name:"+name);

   return "main";

}

或者

请求参数名称映射数据提交

解决映射名称不一致问题（提交请求参数的action的形参名称不一致，使用@RequestParam注解解析）

Index.jsp

请求参数名称映射提交数据

---

   i d:


   姓名:


   


   

Servlet类(controller)

@RequestMapping("/Mapping")

public String MappingData(@RequestParam("id") int myid,@RequestParam("name") String myname){

   System.out.println("id:"+myid+" name:"+myname);

   return "main";

}

Servlet手工提取数据

Index.jsp




Servlet手工提取数据

---

   i d:


   姓名:


   


   

Servlet类(controller)

@RequestMapping("/handwork")

public String handworkData(HttpServletRequest request){

   String id = request.getParameter("id");

   String name = request.getParameter("name");

   System.out.println("id:"+id+" name:"+name);

   return "main";