个人存档

@Controller("baseController")
@RequestMapping("base")
public class BaseController {

    @Resource
    private SqlSessionFactory sqlSessionFactory;
    
    @PostConstruct
    public void init(){
        System.out.println("init----------------------");
    }
    @PreDestroy
    public void destroy(){
        System.out.println("PreDestroy----------------------");
    }
    
    
    @RequestMapping("testdb")
    @ResponseBody
    public Object testdb() {
        System.out.println("---------===========----------==========------");
        SqlSession session = sqlSessionFactory.openSession();
        //第一种方法，直接调用，名字要和<mapper namespace="mapper.StudentMapper">匹配
        com.itcookie.webadmin.model.User user;
        try {
            user = (com.itcookie.webadmin.model.User) session.selectOne("dao.UserMapper.selectByPrimaryKey", "111");
            System.out.println(user);
        } finally {
            session.close();
        }
        return user;
    }
    
    
    /**
     * 前台传递 参数，后台接收
     */
    @RequestMapping("love")
    public ModelAndView love(ModelAndView mv,@ModelAttribute("user")User user,String sex,int age,String name) {
        System.out.println("---------===========----------==========------");
        System.out.println(age);
        System.out.println(name);
        System.out.println(sex);
        System.out.println(user.getAge());
        System.out.println(user.getName());
        System.out.println(user.getSex());
        mv.addObject("user","asdf1234");
        mv.setViewName("love");
        return mv;
    }
    
    /**
     * 前台通过传递JSON字符串，直接转换成POJO
     * @param json String
     * @return json
     */
    @RequestMapping(value = "love1", method = RequestMethod.POST)
    @ResponseBody
    public Object love(@RequestBody User user) {
        System.out.println("---------===========----------==========------");
        System.out.println(user.getAge());//?age=13&name=tianya&sex=male
        System.out.println(user.getName());//{"name":"tianya","age":13,"sex":"男"}
        System.out.println(user.getSex());
//        user.setName("犀浦");
        return user;
    }
    /**
     * 返回JSON
     * @return
     */
    @RequestMapping("json")
    @ResponseBody
    public Object json() {
        System.out.println("---------===========----------==========------");
        List list = new ArrayList();
        list.add(new User(11, "天涯", "男"));
        list.add(new User(15, "God", "girl"));
        return list;
    }
    
    @RequestMapping(value = "pvar/{a}/{b}", method = {RequestMethod.GET, RequestMethod.POST})
    @ResponseBody
    public Object pathVar(@PathVariable int a,@PathVariable String b, int c) {
        System.out.println("---------===========----------==========------");
        List list = new ArrayList();
        list.add(a);
        list.add(b);
        return list;
    }
    
    @RequestMapping(value = "delete/{a}/{b}", method = {RequestMethod.DELETE})
    @ResponseBody
    public Object testDelete(@PathVariable int a,@PathVariable String b, @RequestParam(value="c",required=false,defaultValue="zhang")int c) {//webadmin/base/delete/123/asd?c=12
        System.out.println("---------===========------delete----==========------");
        List list = new ArrayList();
        list.add(a);
        list.add(b);
        list.add(c);
        return list;
    }
    
    //@RequestMapping(value="/header/test3", headers = "Content-Type=application/json")
    //@RequestMapping(value="/header/test4", headers = "Accept=application/json")
    
    
}
class User {
    private int age;
    private String name;
    private String sex;
    private Date date =new Date(System.currentTimeMillis());
    public Date getDate() {
        return date;
    }
    public void setDate(Date date) {
        this.date = date;
    }
    public User() {
    }
    public User(int age, String name, String sex) {
        super();
        this.age = age;
        this.name = name;
        this.sex = sex;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getSex() {
        return sex;
    }

    public void setSex(String sex) {
        this.sex = sex;
    }

}