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maven+springmvc+spring+mybatis+mysql详细搭建整合过程讲解

转自：https://www.cnblogs.com/lmei/p/7190755.html?utm_source=itdadao&utm_medium=referral

@_@ 写在最前

之前分享过下面这几篇：

mybatis学习笔记（五） -- maven+spring+mybatis从零开始搭建整合详细过程（上）（附demo和搭建过程遇到的问题解决方法）

mybatis学习笔记（六） -- maven+spring+mybatis从零开始搭建整合详细过程（下）

springmvc学习笔记（一） -- 从零搭建，基础入门

这一篇，在这些练习的基础上，将它们整合在一起！

搭建步骤如下

一、新建maven项目，配置环境，测试是否配置成功

二、整合spring+mybatis，添加ApplicationContext.xml文件，修改pom.xml,，并连接mysql，测试是否搭建成功

（如果想了解单独的mybatis项目，可参考mybatis学习笔记(一）-- 简单入门（附测试Demo详细过程））

三、整合springmvc，添加springmvc-servlet.xml文件，修改调整，测试是否搭建成功

附：第一，二步详细操作步骤可参考

mybatis学习笔记（五） -- maven+spring+mybatis从零开始搭建整合详细过程（上）

mybatis学习笔记（六） -- maven+spring+mybatis从零开始搭建整合详细过程（下）

当然下面也会附上详细的搭建过程！

项目结构一览

现在开始体验！！!

一、新建maven项目

1、新建项目，然后修改几个配置，修改完如下：

2、添加Dynamic Web Module

Apply后，查看项目结构可以看到多了个WebContent

3、将WebContent下的两个文件复制到src/main/webapp下，然后将WebContent整个删掉

4、修改Deployment Assembly，只留下下面几个

新增/src/main/webapp，步骤Add->Floder->src->main->webapp->finish

5、测试，在src/main/webapp下，新建一个index.jsp文件

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>hello
</body>
</html>

修改web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="WebApp_ID" version="3.0">
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

运行tomcat，访问：http://localhost:8888/SSM01/，页面显示“hello”

到此，第一步骤完成！！！

二、整合Spring+MyBatis

1、修改pom.xml，加载项目需要的jar

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.lmei.ssm</groupId>
    <artifactId>SSM01</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spring.version>4.3.0.RELEASE</spring.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.6.1</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.1</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
        </dependency>

        <!-- 添加Spring-core包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <!-- 添加spring-context包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <!-- 添加spring-tx包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <!-- 添加spring-jdbc包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <!-- 为了方便进行单元测试，添加spring-test包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <!--添加spring-web包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <!-- 添加spring-webmvc -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>    
        <!--添加aspectjweaver包 -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.5</version>
        </dependency>
        <!-- 添加mybatis与Spring整合的核心包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.0</version>
        </dependency>
        <!-- JSTL -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <!-- jackson -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.5.2</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.5.2</version>
        </dependency>
    </dependencies>
</project>

2、数据库准备

新建数据表tb_book，添加测试数据

3、新建包和类

（1）添加实体类Book

package com.lmei.ssm.entity;

public class Book {

    private int id;
    private String bookName;

    public int getId() {
        return id;
    }

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

    public String getBookName() {
        return bookName;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }
    
    @Override
    public String toString() {
        return this.getId()+"	"+this.getBookName();
    }
}

（2）添加Dao，BookDao

package com.lmei.ssm.dao;

import java.util.List;
import com.lmei.ssm.entity.Book;

public interface BookDao {

    public List<Book> getAllBook();
}

（3）添加service，BookService

package com.lmei.ssm.service;

import java.util.List;
import com.lmei.ssm.entity.Book;

public interface BookService {

    public List<Book> getAllBook();
}

（4）添加impl，BookServiceImpl实现BookService

package com.lmei.ssm.impl;

import java.util.List;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;

import com.lmei.ssm.dao.BookDao;
import com.lmei.ssm.entity.Book;
import com.lmei.ssm.service.BookService;

@Service
public class BookServiceImpl implements BookService{
    @Resource
    BookDao bookDao;
    public List<Book> getAllBook() {    
        return bookDao.getAllBook();
    }
}

（5）添加BookMapper

<?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.lmei.ssm.dao.BookDao">
    <select id="getAllBook" parameterType="int" resultType="Book">
        select * from tb_book 
    </select>
</mapper>

4、添加ApplicationContext.xm和db.propertiesl文件，并注册映射

ApplicationContext.xml

<?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:p="http://www.springframework.org/schema/p"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">

    <!-- 引入db.properties属性文件 -->
    <context:property-placeholder location="classpath:db.properties" />

    <!--定义一个jdbc数据源，创建一个驱动管理数据源的bean -->
    <bean id="jdbcDataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${jdbc.driver}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
    </bean>
    
    <!--创建一个sql会话工厂bean，指定数据源 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 指定数据源 -->
        <property name="dataSource" ref="jdbcDataSource" />
        <!--类型别名包，引入com.lmei.ssm.entity下的所有类 -->
        <property name="typeAliasesPackage" value="com.lmei.ssm.entity"></property>
        <!--指定sql映射xml文件的路径 -->
        <property name="mapperLocations"
            value="classpath:com/lmei/ssm/mapper/*Mapper.xml"></property>
    </bean>
    
    <!--自动扫描映射接口-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 指定sql会话工厂，在上面配置过的 -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
        <!-- 指定基础包，即自动扫描com.lmei.ssm.dao这个包下的所有接口类 -->
        <property name="basePackage" value="com.lmei.ssm.dao"></property>
    </bean>
  
      <!-- 创建一个sqlSession对象 -->
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
        <constructor-arg index="0" ref="sqlSessionFactory" />
    </bean>
    
    
    <!--自动扫描组件 -->
    <context:component-scan base-package="com.lmei.ssm">
        <context:exclude-filter type="aspectj" expression="com.lmei.ssm.dao.*"/>
    </context:component-scan>
    <aop:aspectj-autoproxy proxy-target-class="true"></aop:aspectj-autoproxy>
</beans>

db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull
jdbc.username=root
jdbc.password=123456

5、添加测试类

TestMyBatisSpring

package com.lmei.ssm.test;

import static org.junit.Assert.assertNotNull;
import java.util.List;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.lmei.ssm.dao.BookDao;
import com.lmei.ssm.entity.Book;

public class TestMyBatisSpring {
    @Test
    public void test() {
        //初始化容器
        ApplicationContext ctx=new ClassPathXmlApplicationContext("ApplicationContext.xml");
        //获得bean     
        BookDao bookDao = ctx.getBean(BookDao.class);
        //访问数据库
        List<Book> books = bookDao.getAllBook();
        for (Book book : books) {
            System.out.println(book.getBookName());
        }
        assertNotNull(books);
    }
}

Run As->JUnit Test

到此，第二步完成Spring+MyBatis+Mysql！！！

三、整合springmvc

1、修改实体类Book

package com.lmei.ssm.entity;

import java.io.Serializable;

public class Book implements Serializable {
    private static final long serialVersionUID = 1L;
private int id;
    private String bookName;

    public int getId() {
        return id;
    }

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

    public String getBookName() {
        return bookName;
    }

    public void setBookName(String bookName) {
        this.bookName = bookName;
    }

    @Override
    public String toString() {
        return "id：" + getId() + "，bookName：" + getBookName() ;
    }

}

2、在WEB-INF下新建一个文件夹view，然后在里面新建hello.jsp文件，用来测试springmvc是否搭建成功

路径webapp/WEB-INF/view/hello.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%-- <%@ page isELIgnored="false" %> --%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
    <p>${message}</p>
</body>
</html>

3、新建一个controller，HelloWorld.java

HelloWorld.java代码：

package com.lmei.ssm.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

//@Controller是为了让Spring IOC容器初始化时自动扫描到；
//@RequestMapping是为了映射请求路径
@Controller
@RequestMapping("/Hello")
public class HelloWorld {
    @RequestMapping("/SayHello")   
    public String SayHello(Model model) {        
        model.addAttribute("message", "Hello Spring MVC!");
        System.out.println(model.containsAttribute("message")); //是否成功赋值
return "hello";
    }   
}

4、添加springmvc-servlet.xml

<?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:context="http://www.springframework.org/schema/context"
    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/context 
        http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd">

    <!-- 自动扫描包，实现支持注解的IOC -->
    <context:component-scan base-package="com.lmei.ssm" />
    
    <!-- Spring MVC不处理静态资源 -->
    <mvc:default-servlet-handler />

    <!-- 支持mvc注解驱动 -->
    <mvc:annotation-driven />
    
    <!-- 视图解析器 -->
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver"
        id="internalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/WEB-INF/view/" />
        <!-- 后缀 -->
        <property name="suffix" value=".jsp" />
    </bean>
    
</beans>

5、修改web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="WebApp_ID" version="3.0">

    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>

    <!-- Spring容器启动监听器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath*:ApplicationContext.xml</param-value>
    </context-param>

    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <!--Spring mvc配置文件路径 -->
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath*:springmvc-servlet.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!--编码过滤器 -->
    <filter>
        <filter-name>characterEncodingFilter</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>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

</web-app>

之前在测试过程中，不小心把<url-pattern>/ 写错成 /*，导致springmvc把*.jsp,*.sql,*.txt都当做txt处理，访问页面时，直接在浏览器加载了jsp源码。

导致测试页面hello.jsp中的${message}一直取不到Controller传过来的值。

<servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
</servlet-mapping>

6、测试，项目右键->Run As->Run On Server->Tomcat...

运行成功后，访问：http://localhost:8888/SSM01/Hello/SayHello

控制台输出：输出true，表示${message}赋值成功

浏览器输出：

到此，SpringMVC搭建成功！！！

继续整合！！！

7、在controller包下，新建一个BookController

package com.lmei.ssm.controller;

import java.util.List;

import javax.annotation.Resource;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import com.lmei.ssm.entity.Book;
import com.lmei.ssm.service.BookService;

@Controller
@RequestMapping("/Book")
public class BookController {

    @Resource
    BookService bookService;

    @RequestMapping("/getAllBook")
    public String getAllBook(Model model) {
        List<Book> books = bookService.getAllBook();
        for (Book book : books) {
            System.out.println(book.getBookName());
        }
        
        model.addAttribute("books", books);
        return "Book/index";
    }
}

8、在WEB-INFO/view下新建一个文件夹Book，然后在文件夹内添加index.jsp

Book/index.jsp代码：

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>图书管理</title>
</head>
<body>
    <div>
        <h3 class="title"><span>图书管理</span></h3>       
        <table border="1" width="30%" class="tab">
            <tr>               
                <th>编号</th>
                <th>书名</th>                               
            </tr>
            <c:forEach var="book" items="${books}">
                <tr>                  
                    <td>${book.id}</td>
                    <td>${book.bookName}</td>                                   
                </tr>
            </c:forEach>
        </table>    
    </div>
</body>
</html>

9、测试

运行服务器，在浏览器访问：http://localhost:8888/SSM01/Book/getAllBook

到此，完成SpringMVC+Spring+MyBatis的整合！！！

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原文地址：https://www.cnblogs.com/sharpest/p/10153440.html