springmvc+rest+json交互+接口

package test; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.concurrent.CopyOnWriteArrayList; import javax.servlet.http.HttpSession; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; @Controller @RequestMapping("/rest") public class RestController { //存储学生信息 private List<Student> sList = new ArrayList<Student>(); //初始化 public RestController(){ Student s1 = new Student(2017001, "张三", 23, "男", "计算机"); Student s2 = new Student(2017002, "李四", 23, "男", "计算机"); Student s3 = new Student(2017003, "王五", 23, "男", "计算机"); sList.add(s1); sList.add(s2); sList.add(s3); } //查询所有 @ResponseBody @RequestMapping(value="/student",method=RequestMethod.GET) public Object getAll(){ System.out.println("GET:ALL"); return sList; } //查询单个 @ResponseBody @RequestMapping(value="/student/{id}",method=RequestMethod.GET) public Object getOne(@PathVariable("id") Integer id){ System.out.println("GET:"+id); List<Student> selectList = new ArrayList<Student>(); for(Student s : sList){ if(s.getId()==id){ selectList.add(s); } } return selectList; } //添加 @ResponseBody @RequestMapping(value="/student",method=RequestMethod.POST) public Object post(@RequestBody Student student){ System.out.println("POST:"+student.getId()); sList.add(student); return sList; } //修改 @ResponseBody @RequestMapping(value="/student/{id}",method=RequestMethod.PUT) public Object put(@PathVariable("id") Integer id,@RequestBody Student student){ System.out.println("PUT:"+id); List<Student> removeList = new ArrayList<Student>(); for (Student s : sList) { if(s.getId()==id){ student.setId(s.getId()); removeList.add(s); } } sList.removeAll(removeList); sList.add(student); return sList; } //删除所有 @ResponseBody @RequestMapping(value="/student",method=RequestMethod.DELETE) public Object delete(){ System.out.println("DELETE:ALL"); sList.clear(); return sList; } //删除单个 @ResponseBody @RequestMapping(value="/student/{id}",method=RequestMethod.DELETE) public Object delete(@PathVariable("id") Integer id){ System.out.println("DELETE:"+id); List<Student> removeList = new ArrayList<Student>(); for (Student s : sList) { if(s.getId()==id){ removeList.add(s); } } sList.removeAll(removeList); return sList; } }