crud springmvc

实体类：Student.java 

package demo.entity;

public class Student
{
    private int id;

    private String name;

    private String sex;

    private String address;

    public int getId()
    {
        return id;
    }

    public void setId(int id)
    {
        this.id = id;
    }

    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;
    }

    public String getAddress()
    {
        return address;
    }

    public void setAddress(String address)
    {
        this.address = address;
    }

}

IStudentDao.java 

package demo.dao;

import java.util.List;

import demo.entity.Student;

public interface IStudentDao
{
    public void insert(Student stu);

    public void delete(int id);

    public void update(Student stu);

    public List findAll();

    public Student findById(int id);
}

StudentDaoImpl.java 

package demo.dao.impl;

import java.util.List;
import java.util.Map;

import javax.annotation.Resource;

import org.springframework.jdbc.core.BeanPropertyRowMapper;

import demo.dao.IStudentDao;
import demo.entity.Student;

public class StudentDaoImpl implements IStudentDao
{
    public static final String INSERT = "insert into student(name,sex,address) values(?,?,?)";

    public static final String DELETE = "delete from student where id=?";

    public static final String UPDATE = "update student set name=?,sex=?,address=? where id=?";

    public static final String FINDALL = "select * from student";

    public static final String FINDBYID = "select * from student where id=?";

    private org.springframework.jdbc.core.simple.SimpleJdbcTemplate simpleJdbcTemplate;

    @Resource
    public void setSimpleJdbcTemplate(
            org.springframework.jdbc.core.simple.SimpleJdbcTemplate simpleJdbcTemplate)
    {
        this.simpleJdbcTemplate = simpleJdbcTemplate;
    }

    public void delete(int id)
    {
        // TODO Auto-generated method stub
        this.simpleJdbcTemplate.update(DELETE, id);
    }

    @SuppressWarnings("deprecation")
    public List findAll()
    {
        // TODO Auto-generated method stub
        List stuList = this.simpleJdbcTemplate.query(FINDALL,new BeanPropertyRowMapper(Student.class));
        return stuList;
    }

    public Student findById(int id)
    {
        // TODO Auto-generated method stub
        Map stuMap = this.simpleJdbcTemplate.queryForMap(FINDBYID, id);
        Student stu = new Student();
        stu.setId(id);
        stu.setName(stuMap.get("name").toString());
        stu.setSex(stuMap.get("sex").toString());
        stu.setAddress(stuMap.get("address").toString());
        return stu;
    }

    public void insert(Student stu)
    {
        // TODO Auto-generated method stub
        this.simpleJdbcTemplate.update(INSERT, stu.getName(),stu.getSex(),stu.getAddress());
    }

    public void update(Student stu)
    {
        // TODO Auto-generated method stub
        this.simpleJdbcTemplate.update(UPDATE, stu.getName(),stu.getSex(),stu.getAddress(),stu.getId());
    }

}

IStudentService.java 

package demo.service;

import java.util.List;

import demo.entity.Student;

public interface IStudentService
{
    public void insert(Student stu);

    public void delete(int id);

    public void update(Student stu);

    public List findAll();

    public Student findById(int id);
}

StudentServiceImpl.java 

package demo.service.impl;

import java.util.List;

import javax.annotation.Resource;

import demo.dao.IStudentDao;
import demo.entity.Student;
import demo.service.IStudentService;

public class StudentServiceImpl implements IStudentService
{
    private IStudentDao stuDao;
    @Resource
    public void setStuDao(IStudentDao stuDao)
    {
        this.stuDao = stuDao;
    }

    public void delete(int id)
    {
        // TODO Auto-generated method stub
        stuDao.delete(id);
    }

    public List findAll()
    {
        // TODO Auto-generated method stub
        return stuDao.findAll();
    }

    public Student findById(int id)
    {
        // TODO Auto-generated method stub
        return stuDao.findById(id);
    }

    public void insert(Student stu)
    {
        // TODO Auto-generated method stub
        stuDao.insert(stu);
    }

    public void update(Student stu)
    {
        // TODO Auto-generated method stub
        stuDao.update(stu);
    }

}

StudentController.java 

package demo.controller;

import java.io.UnsupportedEncodingException;
import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import demo.entity.Student;
import demo.service.IStudentService;

@Controller
@RequestMapping("/student")
public class StudentController
{
    private IStudentService stuService;

    @Resource
    public void setStuService(IStudentService stuService)
    {
        this.stuService = stuService;
    }

    /**
     * 全部
     */
    @RequestMapping(value = "/all", method = RequestMethod.GET)
    public ModelAndView findAll(HttpServletRequest request,
            HttpServletResponse response, ModelMap modelMap)
    {
        List stuList = stuService.findAll();
        modelMap.put("stuList", stuList);
        return new ModelAndView("allStudent", modelMap);
    }

    /**
     * 删除
     */
    @RequestMapping(value = "/delete/{id}", method = RequestMethod.GET)
    public String delete(HttpServletRequest request,
            HttpServletResponse response, @PathVariable("id")
            int id, ModelMap modelMap)
    {
        stuService.delete(id);
        return "redirect:/student/all.do";
    }

    /**
     * 添加
     */
    @RequestMapping(value = "/add", method = RequestMethod.POST)
    public String addStudent(HttpServletRequest request,
            HttpServletResponse response, Student stu)
            throws UnsupportedEncodingException
    {
        stuService.insert(stu);
        return "redirect:/student/all.do";
    }

    /**
     * pre4Update
     */
    @RequestMapping("/pre4Update/{id}")
    public ModelAndView pre4Update(HttpServletRequest request,
            HttpServletResponse response, @PathVariable("id")
            int id, ModelMap modelMap)
    {
        Student stu = stuService.findById(id);
        modelMap.put("stu", stu);
        return new ModelAndView("updateStudent", modelMap);
    }

    /**
     * updateStudent
     */
    @RequestMapping("/updateStudent")
    public String updateStudent(HttpServletRequest request,
            HttpServletResponse response, Student stu)
    {
        stuService.update(stu);
        return "redirect:/student/all.do";
    }

    /**
     * 跳转：用于跳转的过度
     */
    @RequestMapping(value = "/redir/{url}", method = RequestMethod.GET)
    public String sendRedirect(HttpServletRequest request,
            HttpServletResponse response, @PathVariable("url")
            String url)
    {
        return url;
    }
}

================================================ 

配置文件： 

jdbc.properties 

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/demo?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root

servlet.xml 

"1.0" encoding="UTF-8"?>

"http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">




    package="demo.controller">

    class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        "prefix" value="/WEB-INF/jsp/"/>
        "suffix" value=".jsp"/>




    "propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        "locations">

                classpath:jdbc.properties





    "dataSource" class="org.apache.commons.dbcp.BasicDataSource"
        destroy-method="close">
        "driverClassName" value="${jdbc.driverClassName}" />
        "url" value="${jdbc.url}" />
        "username" value="${jdbc.username}" />
        "password" value="${jdbc.password}" />


    "simpleJdbcTemplate"
        class="org.springframework.jdbc.core.simple.SimpleJdbcTemplate">
        "dataSource"/>


    "jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        "dataSource" ref="dataSource" />

applicationContext-dao.xml 

"1.0" encoding="UTF-8"?>
"-//SPRING//DTD BEAN//EN" " http://www.springframework.org/dtd/spring-beans.dtd">

    "stuDao" class="demo.dao.impl.StudentDaoImpl">
        "simpleJdbcTemplate"
            ref="simpleJdbcTemplate" />

applicationContext-service.xml 

"1.0" encoding="UTF-8"?>
"-//SPRING//DTD BEAN//EN" " http://www.springframework.org/dtd/spring-beans.dtd">

    "stuService" class="demo.service.impl.StudentServiceImpl">
        "stuDao" ref="stuDao"/>

web.xml 

"1.0" encoding="UTF-8"?>
"2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

        index.jsp


        demo2
        class>
            org.springframework.web.servlet.DispatcherServlet
        class>

            contextConfigLocation
            /WEB-INF/classes/spring/*.xml


        1


        demo2
        *.do



        encodingFilter
        class>
            org.springframework.web.filter.CharacterEncodingFilter
        class>

            encoding
            utf-8


            forceEncoding
            true



        encodingFilter
        /*

================== 

allStudent.jsp 

<%@ page language="java" pageEncoding="utf-8"%>  <%@ taglib uri="http://java.sun.com/jstl/core_rt" prefix="e"%>  "-//W3C//DTD HTML 4.01 Transitional//EN">                  Student列表            "50%" border="1">                        id              姓名              性别              地址              操作                    "${requestScope.stuList}" var="stu">                                ${stu.id}                  ${stu.name}                  ${stu.sex}                  ${stu.address}                  "pre4Update/${stu.id}.do">修改||"delete/${stu.id}/${stu.name}.do">删除                                    "redir/addStudent.do">添加
<%@ page language="java" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jstl/core_rt" prefix="e"%>
"-//W3C//DTD HTML 4.01 Transitional//EN">


        Student列表

    "50%" border="1">

            id
            姓名
            性别
            地址
            操作

        "${requestScope.stuList}" var="stu">

                ${stu.id}
                ${stu.name}
                ${stu.sex}
                ${stu.address}
                "pre4Update/${stu.id}.do">修改||"delete/${stu.id}/${stu.name}.do">删除



    "redir/addStudent.do">添加