REST风格入门
package com.stdu.controller;import com.stdu.domain.Book;
import com.stdu.domain.User;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;@Controller
public class BookController {@RequestMapping(value = "/books",method = RequestMethod.POST)@ResponseBodypublic String save(){System.out.println("Book... save...");return "{'Book':'simple love'}";}@RequestMapping(value = "/books",method = RequestMethod.PUT)@ResponseBodypublic String update(@RequestBody Book book){System.out.println("Book... update..." + book);return "success";}@ResponseBody@RequestMapping(value = "/books/{id}",method = RequestMethod.DELETE)public String delete(@PathVariable Integer id){System.out.println("Book... delete..." + id);return "success";}@ResponseBody@RequestMapping(value = "/books/{id}",method = RequestMethod.GET)public String getById(@PathVariable Integer id){System.out.println("Book... get..." + id);return "success";}@ResponseBody@RequestMapping(value = "/books",method = RequestMethod.GET)public String delete(){System.out.println("Book... getAll...");return "success";}}
知识点1：@PathVariable
| 名称 |
@PathVariable |
| 类型 |
形参注解 |
| 位置 |
SpringMVC控制器方法形参定义前面 |
| 作用 |
绑定路径参数与处理器方法形参间的关系，要求路径参数名与形参名一一对应 |
