Forward SPRING MVC3.2 Case Study--spring MVC3 @responsebody and Responseentity

Source: Internet
Author: User

In the traditional development process, our control controll layer usually needs to turn to a JSP view, but with the rise of WEB2.0 related technologies, we often just need to return the data, rather than a JSP page.

SPRING MVC3 's @responsebody enables the controller to return data directly, rather than pointing directly to a specific view;

Messageconverter and produces (such as produces= "Text/plain;charset=utf-8") can return data in various formats (Xml,json,rss,text, byte stream, etc.), this chapter only describes the simplest use ;

See Code:

@ResponseBody can return results directly,

and responseentity You can define the returned httpheaders and Httpstatus, see the last two pictures of the article

[Java]View PlainCopy
  1. @RequestMapping (value="/response", Method=requestmethod.get)
  2. Public class Responsecontroller {
  3. Http://
  4. @RequestMapping ("/annotation")
  5. public @ResponseBody String responsebody () {
  6. return "the String responsebody";
  7. }
  8. @RequestMapping ("/charset/accept")
  9. public @ResponseBody String Responseacceptheadercharset () {
  10. return "\u3053\u3093\u306b\u3061\u306f\u4e16\u754c\uff01 (\" Hello world!\ "in Japanese)";
  11. }
  12. Http://
  13. @RequestMapping (value="/charset/produce", produces="Text/plain;charset=utf-8")
  14. public @ResponseBody String Responseproducesconditioncharset () {
  15. return "\u3053\u3093\u306b\u3061\u306f\u4e16\u754c\uff01 (\" Hello world!\ "in Japanese)";
  16. }
  17. Http://
  18. @RequestMapping ("/entity/status")
  19. Public responseentity<string> Responseentitystatuscode () {
  20. return new responseentity<string> ("The String responsebody with custom status code (403 Forbidden)",
  21. Httpstatus.forbidden);
  22. }
  23. Http://
  24. @RequestMapping ("/entity/headers")
  25. Public responseentity<string> responseentitycustomheaders () {
  26. Httpheaders headers = new Httpheaders ();
  27. Headers.setcontenttype (Mediatype.text_plain);
  28. return new responseentity<string> ("The String responsebody with the custom header content-type=text/ Plain ",
  29. headers, Httpstatus.ok);
  30. }
  31. }

Forward SPRING MVC3.2 Case Study--spring MVC3 @responsebody and Responseentity

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