REST入门案例

@Controller
public class UserController {
    @RequestMapping(value = "/users", method = RequestMethod.POST)
    @ResponseBody
    public String save(){
        System.out.println("user save.. .");
        return "{'module':'user save '}";
    }

    @RequestMapping(value = "/users/{id}", method = RequestMethod.DELETE)
    @ResponseBody
    public String delete(@PathVariable Integer id){
        System.out.println("user delete..." + id);
        return "{'module':'user delete'}";
    }

    @RequestMapping(value = "/users", method = RequestMethod.PUT)
    @ResponseBody
    public String update(@RequestBody User user){
        System.out.println("user update..."+user);
        return "{'module':'user update'}";
    }

    @RequestMapping(value = "/users/{id}", method = RequestMethod.GET)
    @ResponseBody
    public String getById(@PathVariable Integer id){
        System.out.println("user getById..."+id);
        return "{'module':'user getById'}";
    }

    @RequestMapping(value = "/users", method = RequestMethod.GET)
    @ResponseBody
    public String getAl1(){
        System.out.println("user getAll...");
        return "{'module':'user getAll'}";
    }