• 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

    复制代码
    <%@ 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>
    复制代码

    修改web.xml

    复制代码
    <?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>
    复制代码

    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

    复制代码
    <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>
    复制代码

    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

    复制代码
    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();
        }
    }
    复制代码

    (2)添加Dao,BookDao

    复制代码
    package com.lmei.ssm.dao;
    
    import java.util.List;
    import com.lmei.ssm.entity.Book;
    
    public interface BookDao {
    
        public List<Book> getAllBook();
    }
    复制代码

    (3)添加service,BookService

    复制代码
    package com.lmei.ssm.service;
    
    import java.util.List;
    import com.lmei.ssm.entity.Book;
    
    public interface BookService {
    
        public List<Book> getAllBook();
    }
    复制代码

    (4)添加impl,BookServiceImpl实现BookService

    复制代码
    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();
        }
    }
    复制代码

    (5)添加BookMapper

    复制代码
    <?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>
    复制代码

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

    ApplicationContext.xml

    复制代码
    <?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>
    复制代码

    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

    复制代码
    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);
        }
    }
    复制代码

    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

    复制代码
    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() ;
        }
    
    }
    复制代码

    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

    复制代码
    <%@ 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>
    复制代码

    3、新建一个controller,HelloWorld.java

    HelloWorld.java代码:

    复制代码
    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";
        }   
    }
    复制代码

     4、添加springmvc-servlet.xml

    复制代码
    <?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>
    复制代码

    5、修改web.xml

    复制代码
    <?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>
    复制代码

    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

    复制代码
    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";
        }
    }
    复制代码

    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:

    复制代码
    <%@ 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>
    复制代码

    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
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