首先是pom.xml,下面列出的dependency有些是多余的,因为项目其他的功能需要才加的,可以根据情况增删。
<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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.tch.test</groupId> <artifactId>springmvc-mybatis</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>springmvc-mybatis Maven Webapp</name> <url>http://maven.apache.org</url> <dependencies> <!-- log --> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.1.3</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.6</version> </dependency> <!-- spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${springframework.version}</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-web</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.2</version> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- validation --> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId> <version>4.3.0.Final</version> </dependency> <!-- velocity --> <dependency> <groupId>org.apache.velocity</groupId> <artifactId>velocity</artifactId> <version>1.7</version> </dependency> <dependency> <groupId>org.apache.velocity</groupId> <artifactId>velocity-tools</artifactId> <version>2.0</version> </dependency> <!-- json --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <dependency> <groupId>com.googlecode.json-simple</groupId> <artifactId>json-simple</artifactId> <version>1.1.1</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.5.1</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.5.1</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>2.5.1</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.module</groupId> <artifactId>jackson-module-afterburner</artifactId> <version>2.5.1</version> </dependency> <!-- mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.7</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.4</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.9</version> </dependency> <!-- provided --> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>javax.servlet.jsp-api</artifactId> <version>2.3.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.12.6</version> <scope>provided</scope> </dependency> </dependencies> <properties> <junit-version>3.8.1</junit-version> <spring-version>3.2.6.RELEASE</spring-version> <hiberante-version>3.6.10.Final</hiberante-version> <javassist-version>3.12.0.GA</javassist-version> <mysql-version>5.1.28</mysql-version> <jackson-version>1.9.10</jackson-version> <log4j-version>1.2.17</log4j-version> <slf4j-version>1.7.5</slf4j-version> <springframework.version>4.0.3.RELEASE</springframework.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> </properties> <build> <finalName>springmvc-mybatis</finalName> </build> </project>
web.xml(匹配URL格式为 : /mvc/xxx的格式):
<?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"> <!-- 配置spring mvc的核心控制器DispatcherServlet --> <servlet> <servlet-name>spring_mvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 默认情况下,spring mvc配置文件在/WEB-INF/下,servlet名字-servlet.xml(这里是spring_mvc-servlet.xml) --> <init-param> <!-- 指定spring mvc配置文件位置 --> <param-name>contextConfigLocation</param-name> <param-value>classpath*:dispatcher-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>spring_mvc</servlet-name> <url-pattern>/mvc/*</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
dispatcher-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:tx="http://www.springframework.org/schema/tx" 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-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-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"> <!-- 启动扫描component功能 --> <context:component-scan base-package="com.tch.test.springmvcmybatis" /> <!-- viewResolver --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/pages/" /> <property name="suffix" value=".jsp" /> </bean> <mvc:annotation-driven /> <!-- 拦截器 --> <!-- <mvc:interceptors> 这里配置的拦截器相当于全局拦截器,只要有响应的后端处理器,就会经过该拦截器 <bean class="com.tch.test.springmvcmybatis.interceptor.MyInteceptor" /> <mvc:interceptor> 只拦截匹配的路径 <mvc:mapping path="/namespace/*" /> <bean class="com.tch.test.springmvcmybatis.interceptor.MyInteceptor2" /> </mvc:interceptor> </mvc:interceptors> --> <!-- 启动注解实物配置功能 --> <tx:annotation-driven transaction-manager="transactionManager" /> <!-- 数据源 --> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver"></property> <property name="url" value="jdbc:mysql://localhost:3306/test"></property> <property name="username" value="root"></property> <property name="password" value="root"></property> </bean> <!-- 事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!--读取数据库配置文件 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 如果mapper的xml文件名字和mapper接口的名字一致,并且在同一目录下(例如UserMapper.java和UserMapper.xml),可以不配置mapperLocations, --> <property name="mapperLocations" value="classpath:mybatis/**/*Mapper.xml" /> <!-- 指定别名,在mapper的xml文件中可以使用别名(例如User/user来代表com.tch.test.spring_mybatis.entity.User),提高开发效率 --> <!-- <property name="typeAliasesPackage" value="com.tch.test.springmvcmybatis.bean" /> --> <property name="configLocation" value="classpath:sqlMapConfig.xml"></property> </bean> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 指定mapper接口包名,可以通过动态代理生成代理类,这样就可以在service层直接通过注入的方式进行dao操作了 --> <property name="basePackage" value="com.tch.test.springmvcmybatis.mapper" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" /> </bean> </beans>
log4j.properties:
log4j.rootLogger=debug,CONSOLE ################### # Console Appender ################### log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender log4j.appender.Threshold=debug log4j.appender.CONSOLE.Target=System.out log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout log4j.appender.CONSOLE.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %5p (%c:%L) - %m%n
sqlMapConfig.xml:
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <settings> <setting name="lazyLoadingEnabled" value="true" /> <setting name="aggressiveLazyLoading" value="false" /> </settings> </configuration>
BlogMapper.xml(该mapper文件位于 resource/mybatis/mapper文件夹下):
<?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"> <!-- 这里的namespace是mapper接口的全路径 --> <mapper namespace="com.tch.test.springmvcmybatis.mapper.BlogMapper"> <!-- 下面的select/insert/delete/update 的id和mapper接口的方法名一致,parameterType和方法的输入参数一致,resultType和方法的返回值一致 --> <!-- where --> <select id="getBlog" resultType="com.tch.test.springmvcmybatis.bean.Blog"> SELECT * FROM blog <!-- where: where 元素知道只有在一个以上的if条件有值的情况下才去插入“WHERE”子句。而且,若最后的内容是“AND”或“OR”开头的,where 元素也知道如何将他们去除 --> <!-- <where> <if test="status != null"> AND status = #{status} </if> <if test="title != null"> AND title = #{title} </if> <if test="author != null"> AND author = #{author} </if> </where> --> </select> <insert id="addBlog" parameterType="com.tch.test.springmvcmybatis.bean.Blog"> insert into blog(title, status, author) values(#{title}, #{status}, #{author}) <selectKey keyProperty="id" resultType="Integer" order="AFTER"> select LAST_INSERT_ID() AS ID </selectKey> </insert> </mapper>
Blog.java:
package com.tch.test.springmvcmybatis.bean; public class Blog { private Integer id; private String status; private String title; private String author; public String getStatus() { return status; } public void setStatus(String status) { this.status = status; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getAuthor() { return author; } public void setAuthor(String author) { this.author = author; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } @Override public String toString() { return "Blog [id=" + id + ", status=" + status + ", title=" + title + ", author=" + author + "]"; } }
controller:
package com.tch.test.springmvcmybatis.controller; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import com.tch.test.springmvcmybatis.bean.Blog; import com.tch.test.springmvcmybatis.service.BlogService; //@Scope("prototype") //这样可以让控制器是原型模式,而不是单例(spring mvc建议controller使用单例) @Controller("helloWorld") // 表示这个类是后端控制器 @RequestMapping("/namespace") // 在类上面加上@RequestMapping,则该类下面的方法的访问路径都需要加上该前缀,类似struts2的namespace public class HelloWorldController { @Autowired private BlogService blogService; @RequestMapping("/getBlog") public String getBlog(Model model) { model.addAttribute("message", blogService.getBlog("ACTIVE", "dreamoftch-1", "title-1")); return "helloWorld"; } @RequestMapping("/addBlog") public String addBlog(Model model, Blog blog) { blogService.addBlog(blog); model.addAttribute("blog", blog); return "helloWorld"; } }
package com.tch.test.springmvcmybatis.service; import java.util.List; import org.apache.ibatis.annotations.Param; import com.tch.test.springmvcmybatis.bean.Blog; public interface BlogService { List<Blog> getBlog(@Param("status") String status, @Param("author") String author, @Param("title") String title); void addBlog(Blog blog); }
package com.tch.test.springmvcmybatis.service; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import com.tch.test.springmvcmybatis.bean.Blog; import com.tch.test.springmvcmybatis.mapper.BlogMapper; @Service @Transactional public class BlogServiceImpl implements BlogService{ @Autowired private BlogMapper blogMapper; public List<Blog> getBlog(String status, String author, String title) { return blogMapper.getBlog(); } @Transactional(rollbackFor=Exception.class) public void addBlog(Blog blog) { blogMapper.addBlog(blog); } }
package com.tch.test.springmvcmybatis.mapper; import java.util.List; import com.tch.test.springmvcmybatis.bean.Blog; public interface BlogMapper { // List<Blog> getBlog(@Param("status") String status, @Param("author") String author, @Param("title") String title); List<Blog> getBlog(); void addBlog(Blog blog); }
helloWorld.jsp:
<%@ 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 'User.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"> </head> <body> message:${message} <br/> blog: ${blog} </body> </html>
跑起来之后,通过URL:
localhost:8080/springmvc-mybatis/mvc/namespace/getBlog
http://localhost:8080/springmvc-mybatis/mvc/namespace/addBlog?status=ready&title=title-111&author=dreamoftch
即可访问。
OK。
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