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最新推荐文章于 2024-11-24 21:46:32 发布

helloworld_1996

最新推荐文章于 2024-11-24 21:46:32 发布

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分类专栏： 2018

本文链接：https://blog.youkuaiyun.com/helloworld_1996/article/details/81037857

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本文详细介绍了SpringMVC、MyBatis和Spring框架整合的方法，包括配置文件详解、数据库连接池设置、DAO层操作实现等内容。

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="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">

    <!-- springMVC总控制器 -->
    <servlet>
        <servlet-name>mvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>0</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>mvc</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>

    <!-- 编码过滤器 -->
    <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!-- spring监听 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- spring上下文 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring.xml</param-value>
    </context-param>

  <display-name></display-name> 
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">

    <!-- 组件扫描 -->
    <context:component-scan base-package="com.controller"></context:component-scan>

    <!-- 开启MVC驱动 -->
    <mvc:annotation-driven/>

    <!-- 配置视图解析器 -->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/view/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<beans  xmlns="http://www.springframework.org/schema/beans"  
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
xmlns:aop="http://www.springframework.org/schema/aop"   
xmlns:context="http://www.springframework.org/schema/context"  
xmlns:jee="http://www.springframework.org/schema/jee"  
xmlns:lang="http://www.springframework.org/schema/lang"  
xmlns:util="http://www.springframework.org/schema/util"  
xmlns:tx="http://www.springframework.org/schema/tx"  
xmlns:mvc="http://www.springframework.org/schema/mvc"    
xsi:schemaLocation="http://www.springframework.org/schema/beans  

 http://www.springframework.org/schema/beans/spring-beans.xsd   
 http://www.springframework.org/schema/aop    
 http://www.springframework.org/schema/aop/spring-aop.xsd   
 http://www.springframework.org/schema/jee    
 http://www.springframework.org/schema/jee/spring-jee.xsd   
 http://www.springframework.org/schema/lang    
 http://www.springframework.org/schema/lang/spring-lang.xsd   
 http://www.springframework.org/schema/context    
 http://www.springframework.org/schema/context/spring-context.xsd   
 http://www.springframework.org/schema/tx    
 http://www.springframework.org/schema/tx/spring-tx.xsd   
 http://www.springframework.org/schema/util    
 http://www.springframework.org/schema/util/spring-util.xsd   
 http://www.springframework.org/schema/mvc    
 http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">

    <!-- spring组件扫描：开启注解识别 -->
    <context:component-scan base-package="com"></context:component-scan>

    <!-- 创建数据池（使用数据库连接池：dbcp/c3p0） -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
        <property name="url" value="jdbc:mysql://localhost:3306/ssm01"></property>
        <property name="username" value="root"></property>
        <property name="password" value="root"></property>
    </bean>

    <!-- 创建SqlSessionFactory -->
    <bean class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="mapperLocations" value="classpath:com/mapper/*.xml"></property>
    </bean>

    <!-- 扫描myBatis操作数据库的接口 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.mapper"></property>
    </bean>
 </beans>

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">

    <title>My JSP 'index.jsp' starting page</title>
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->
  <script type="text/javascript" src="js/jquery-1.8.2.js"></script>
    <script type="text/javascript">
        function login(){
            var id = $("[name='id']").val();
            var mm = $("[name='mm']").val();
            $.post(
                "login.do",
                {"uname":id,"password":mm},
                function (data){
                    if(data==1){
                        alert("登录成功");
                        location = "list.do";
                    }else{
                        alert("登录失败");
                    }
                },"json"
            );
        }
    </script>
  </head>

  <body>
    用户名:<input name="id"><br>
    密码:<input name="mm"><br>
    <input type="button" value="登录" onclick="login()">
  </body>
</html>

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">

    <title>My JSP 'list.jsp' starting page</title>

    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->

  </head>

  <body>
    <table>
        <tr>
            <th>id</th>
            <th>name</th>
            <th>author</th>
            <th>price</th>
        </tr>
        <c:forEach var="b" items="${bookList }">
            <tr>
                <th>${b.id }</th>
                <th>${b.name }</th>
                <th>${b.author }</th>
                <th>${b.price }</th>
            </tr>
        </c:forEach>
    </table>
  </body>
</html>

package com.controller;

import java.io.IOException;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;

import com.dto.User;
import com.service.UserService;

@org.springframework.stereotype.Controller
public class Controller {

    @Autowired
    private UserService service;

    @RequestMapping("login")
    public void login(HttpServletRequest request,HttpServletResponse response,User user) throws IOException{

        User u = service.getUser(user);

        System.out.println(u);

        if(u!=null){
            System.out.println("User不为空");
            response.getWriter().print(1);
        }else{
            System.out.println("User为空");
            response.getWriter().print(0);
        }
    }
    @RequestMapping("list")
    public String list(HttpSession session){
        List bookList = service.findBookList();
        session.setAttribute("bookList", bookList);
        return "list";
    }
}

package com.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;

import com.dto.User;
import com.mapper.UserMapper;

@Controller
public class UserService {
    @Autowired
    private UserMapper mapper;

    public User getUser(User user) {
        // TODO Auto-generated method stub
        return mapper.getUser(user);
    }

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

package com.mapper;

import java.util.List;

import com.dto.User;

public interface UserMapper {

    User getUser(User user);

    List findBookList();

}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
    PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
    "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.mapper.UserMapper">

    <sql id="all">id,name,age,sex</sql>

    <select id="getUser" resultType="com.dto.User">
        select * from user where uname = #{uname} and password = #{password}
    </select>

    <select id="findBookList" resultType="com.dto.Book">
        select * from book
    </select>
</mapper>