写这篇文章是为了整理一下idea下整合maven项目的步骤,也为了以后让室友们参考
创建项目
File→new→project
![](https://img.haomeiwen.com/i14828964/939fa573cad6295b.png)
![](https://img.haomeiwen.com/i14828964/51b11c7e40f86217.png)
![](https://img.haomeiwen.com/i14828964/053e28e0ef657069.png)
然后就不断next直到项目面板出来
设置文件夹
![](https://img.haomeiwen.com/i14828964/314ec1b1db9bcedd.png)
![](https://img.haomeiwen.com/i14828964/44ab849506865e67.png)
注意:这里我个人习惯,在java下还建了ssm文件夹,然后再controll...文件夹,建议跟我一样,不然你后面配置文件需要更改
将项目文件夹设置成这个样子
配置文件
- 先修改pom.xml导入项目所需依赖
<?xml version="1.0" encoding="UTF-8"?>
<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.zhh</groupId>
<artifactId>MavenTest</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>MavenTest Maven Webapp</name>
<!-- FIXME change it to the project's website -->
<url>http://www.example.com</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<!-- 配置相关jar包的版本 -->
<spring.version>4.3.4.RELEASE</spring.version>
<aspectj.version>1.8.9</aspectj.version>
<mybatis.version>3.4.1</mybatis.version>
<mybatis-spring.version>1.3.0</mybatis-spring.version>
<jdbc.version>5.1.35</jdbc.version>
<fastjson.version>1.2.23</fastjson.version>
<log4j.version>2.7</log4j.version>
<servlet.version>3.0-alpha-1</servlet.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- 添加spring依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${aspectj.version}</version>
</dependency>
<!-- 添加mybatis依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- 添加mybatis-spring依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis-spring.version}</version>
</dependency>
<!-- 数据库驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${jdbc.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.7.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.7.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.7.4</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-dbcp/commons-dbcp -->
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<!-- apache公共包 -->
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.8.0</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>net.sf.ezmorph</groupId>
<artifactId>ezmorph</artifactId>
<version>1.0.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.41</version>
</dependency>
<!-- log4j -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j.version}</version>
</dependency>
<!-- JSTL标签类 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- serlvet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet.version}</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<finalName>MavenTest</finalName>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.0.0</version>
</plugin>
<!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.20.1</version>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.0</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
注意:如果出现提示,按这两个图选择,才能导入依赖
![](https://img.haomeiwen.com/i14828964/e229f1e615cdc255.png)
![](https://img.haomeiwen.com/i14828964/ef33d0b7bcdab488.png)
这是导入成功后的
- 修改WEB-INF文件夹下的web.xml
<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">
<!-- 设置Spring容器加载配置文件的路径 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mybatis.xml</param-value>
</context-param>
<!--解决POST乱码问题-->
<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>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Spring监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 防止Spring内存溢出监听器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<!--springmvc前端控制器配置-->
<servlet>
<servlet-name>dispatcherServlet</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>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
因为还没有设置springmvc.xml,所以会报错没关系
- 在resources文件夹下新建jdbc.properties log4.properties spring-mvc.xml spring-mybatis.xml
代码如下
jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=root
#定义初始连接数
initialSize=0
#定义最大连接数
maxActive=20
#定义最大空闲
maxIdle=20
#定义最小空闲
minIdle=1
#定义最长等待时间
maxWait=60000
log4.properties
log4j.rootLogger=INFO,Console,File
#控制台日志
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%p][%t][%d{yyyy-MM-dd HH\:mm\:ss}][%C] - %m%n
#普通文件日志
log4j.appender.File=org.apache.log4j.RollingFileAppender
log4j.appender.File.File=logs/ssm.log
log4j.appender.File.MaxFileSize=10MB
#输出日志,如果换成DEBUG表示输出DEBUG以上级别日志
log4j.appender.File.Threshold=ALL
log4j.appender.File.layout=org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern=[%p][%t][%d{yyyy-MM-dd HH\:mm\:ss}][%C] - %m%n
spring-mvc.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: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-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<!-- 自动扫描 @Controller-->
<context:component-scan base-package="ssm.controller"/>
<!-- 默认的注解映射 -->
<mvc:annotation-driven />
<!-- 解除servlet对静态资源文件访问的限制,使得静态资源先经过 -->
<!-- <mvc:default-servlet-handler />-->
<mvc:resources mapping="/static/**" location="/static/" />
<!--避免IE执行AJAX时,下载JSON文件的现象 -->
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean>
<!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 -->
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="mappingJacksonHttpMessageConverter"/> <!-- JSON转换器 -->
</list>
</property>
</bean>
<!-- 定义跳转的文件的前后缀 ,视图模式配置-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 自动给后面action的方法return的字符串加上前缀和后缀,变成一个 可用的url地址 -->
<property name="prefix" value="/WEB-INF/page/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>
静态文件例如css、js存放在static下(静态资源只放开这个文件夹的访问)
默认页面存放路径在WEB-INF文件夹下的page文件夹下,没有自己新建
spring-mybatis.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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-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.xsd">
<!-- 组件扫描和自动装配 -->
<context:component-scan base-package="ssm"/>
<!-- 加载属性配置文件 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 配置数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<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>
<!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations" value="classpath*:mapper/*.xml"></property>
</bean>
<!-- DAO接口所在包名,Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="ssm.dao"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>
配置文件基本就做好了,现在的文件夹是这个样子的
![](https://img.haomeiwen.com/i14828964/55a1fcba5d347c5b.png)
现在就可以配置tomcat试着跑一遍了
![](https://img.haomeiwen.com/i14828964/0b08ad9dbc2d2a96.png)
![](https://img.haomeiwen.com/i14828964/da50f4f9439ec1af.png)
![](https://img.haomeiwen.com/i14828964/59c74a6318dfb24a.png)
![](https://img.haomeiwen.com/i14828964/5c360b80c157662e.png)
然后运行就可以了
![](https://img.haomeiwen.com/i14828964/364ab80bcc2da236.png)
运行结果
![](https://img.haomeiwen.com/i14828964/2894fbe74c68b278.png)
为了方便项目对数据库表的使用,我们使用MyBatis Generator自动生成代码
在resources下创建generatorConfig.xml文件
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE generatorConfiguration PUBLIC
"-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd" >
<generatorConfiguration>
<!--数据库驱动jar包的真实路径 -->
<classPathEntry
location="D:\dataSourceDriver\mysql-connector-java-5.1.47.jar"/>
<context id="context" targetRuntime="MyBatis3">
<!-- 是否去除自动生成的注释 true:是 : false:否 -->
<commentGenerator>
<property name="suppressAllComments" value="false"/>
<property name="suppressDate" value="true"/>
</commentGenerator>
<!--数据库连接的信息:驱动类、连接地址、用户名、密码 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/test"
userId="root"
password="root"/>
<!-- 默认false,把JDBC DECIMAL 和 NUMERIC 类型解析为 Integer,为 true时把JDBC DECIMAL 和
NUMERIC 类型解析为java.math.BigDecimal -->
<javaTypeResolver>
<property name="forceBigDecimals" value="false"/>
</javaTypeResolver>
<!--指定包名生成实体类 以及生成的地址 (可以自定义地址,如果路径不存在会自动创建) -->
<javaModelGenerator targetPackage="ssm.model" targetProject=".\src\main\java">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name="enableSubPackages" value="false"/>
<!-- 从数据库返回的值被清理前后的空格 -->
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<!-- !!!! Mapper XML Configurations !!!! -->
<sqlMapGenerator targetPackage="mapper" targetProject="F:\ideaProject\MavenTest\src\main\resources">
<property name="enableSubPackages" value="false"/>
</sqlMapGenerator>
<!-- !!!! Mapper Interface Configurations !!!! -->
<javaClientGenerator targetPackage="ssm.dao" targetProject=".\src\main\java"
type="XMLMAPPER">
<property name="enableSubPackages" value="false"/>
</javaClientGenerator>
<!-- 指定数据库表 -->
<!-- tableName是你要生成的表名 -->
<table schema="test" tableName="admin"
enableCountByExample="false" enableDeleteByExample="false"
enableSelectByExample="false" enableUpdateByExample="false"/>
</context>
</generatorConfiguration>
这里得注意
<classPathEntry
location="D:\dataSourceDriver\mysql-connector-java-5.1.47.jar"/>
这里写你自己电脑硬盘上的包的路径,
<sqlMapGenerator targetPackage="mapper" targetProject="F:\ideaProject\MavenTest\src\main\resources">
<property name="enableSubPackages" value="false"/>
</sqlMapGenerator>
这里写你项目所在工作目录,设置mapper.xml生成文件位置
- 在pom.xml中加入
<plugins>
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.7</version>
<configuration>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
</plugin>
</plugins>
![](https://img.haomeiwen.com/i14828964/53dc7cb6672c6f4a.png)
-
点击右边的
image.png
右键
image.png
正常情况应该生成成功,如果失败根据情况修改 -
这时候我们的项目环境已经全部完成
image.png
- 可以写代码实现功能增删改查了,这里使用显示功能
- 在AdminMapper中增加方法
<select id="AdminList" resultMap="BaseResultMap">
select * from admin
</select>
image.png
2.在dao层写相应方法
List<Admin> AdminList();
![](https://img.haomeiwen.com/i14828964/14f6c06a0df8779e.png)
3.在service层写相应方法
先在service文件夹下创建AdminService接口,然后写上方法
List<Admin> AdminList();
4.在impl层实现
![](https://img.haomeiwen.com/i14828964/048dee1490e4ab51.png)
@Service("AdminService")
public class AdminServiceimpl implements AdminService {
@Autowired
private AdminMapper adminMapper;
@Override
public List<Admin> AdminList() {
return adminMapper.AdminList();
}
}
5.在controller层写方法
@Controller
@RequestMapping("Admin")
public class AdminController {
@Autowired
private AdminService adminService;
@RequestMapping("show")
public String show(Model model){
List<Admin> list=adminService.AdminList();
model.addAttribute("list",list);
return "showAdmin";
}
}
然后在page文件夹下新建showAdmin.jsp
先引入
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
然后主要代码
<tr>
<td height="25" >${item.id}</td>
<td >${item.username}</td>
<td >${item.password}</td>
</tr>
</c:forEach>
![](https://img.haomeiwen.com/i14828964/23db7ff84d01ece3.png)
显示结果
![](https://img.haomeiwen.com/i14828964/5c3ec9091c900a7a.png)
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