package com.day01springmvc.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.ModelAndView;
 
/**
 * @ Author     ：ShaoWei Sun.
 * @ Date       ：Created in 20:58 2018/11/16
 */
@Controller
@RequestMapping("hello")
public class HelloController2 {
 
    /**
     * 接收普通請(qǐng)求參數(shù)
     * http://localhost:8080/hello/show16?name=linuxsir
     * url參數(shù)中的name必須要和@RequestParam("name")一致
     * @return
     */
    @RequestMapping("show16")
    public ModelAndView test16(@RequestParam("name")String name){
        ModelAndView mv = new ModelAndView();
        mv.setViewName("hello2");
        mv.addObject("msg", "接收普通的請(qǐng)求參數(shù)：" + name);
        return mv;
    }
 
    /**
     * 接收普通請(qǐng)求參數(shù)
     * http://localhost:8080/hello/show17
     * url中沒有name參數(shù)不會(huì)報(bào)錯(cuò)、有就顯示出來
     * @return
     */
    @RequestMapping("show17")
    public ModelAndView test17(@RequestParam(value="name",required=false)String name){
        ModelAndView mv = new ModelAndView();
        mv.setViewName("hello2");
        mv.addObject("msg", "接收普通請(qǐng)求參數(shù)：" + name);
        return mv;
    }
 
    /**
     * 接收普通請(qǐng)求參數(shù)
     * http://localhost:8080/hello/show18?name=998 顯示為998
     * http://localhost:8080/hello/show18?name 顯示為hello
     * @return
     */
    @RequestMapping("show18")
    public ModelAndView test18(@RequestParam(value="name",required=true,defaultValue="hello")String name){
        ModelAndView mv = new ModelAndView();
        mv.setViewName("hello2");
        mv.addObject("msg", "接收普通請(qǐng)求參數(shù)：" + name);
        return mv;
    } 
}

? ? @ResponseBody
? ? @RequestMapping("login")
? ? public String login(@RequestParam(value = "username") final String username,
? ? ? ? ? ? ? ? ? ? ? ? @RequestParam(value = "password",required = false) final String password,
? ? ? ? ? ? ? ? ? ? ? ? @RequestParam(value = "valcode",required = false) final String valcode) {
? ? ? ? ? ? ? ? ? ? ? ? } ? ?

public interface Mapper {?? ?
@Select("select s_id id,s_name name,class_id classid"+?
? ? ? ? "from student where ?s_name= #{aaaa} and class_id = #{bbbb}")?
?public Student select(@Param("aaaa") String name,@Param("bbbb")int class_id); ?
? ?
@Delete......?? ? ? ?
@Insert......?? ??
}?

?List<Employee> getAllEmployeeByPage(@Param("page") Integer page,?
??? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? @Param("size") Integer size);