SSM框架系列學習總結0之IDEA+Maven+SSM整合
阿新 • • 發佈:2019-01-09
這是我係列總結的最後一篇, 終於弄完了!
雖然有點累, 但是很充實, 很開心, 送一張圖片給自己, 哈哈!
Github地址
使用IDEA和Maven建立Java Web專案
下面演示直接截圖:
建立Maven專案時, 這裡需要加入一個引數, 否則後面會建立失敗:
Properties:
archetypeCatalog=internal
建立成功:
然後配置Tomcat伺服器, 注意建立的時候選擇本地的.
執行成功:
Github與IntelliJ IDEA整合
配置Maven依賴
在pom.xml中加入:
<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.wtu</groupId>
<artifactId >SSM-Demo</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>SSM-Demo Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<!-- spring版本號 -->
<spring.version >4.0.2.RELEASE</spring.version>
<!-- mybatis版本號 -->
<mybatis.version>3.2.6</mybatis.version>
<!-- log4j日誌檔案管理包版本 -->
<slf4j.version>1.7.7</slf4j.version>
<log4j.version>1.2.17</log4j.version>
</properties>
<dependencies>
<!-- 單元測試 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<!-- 表示開發的時候引入,釋出的時候不會載入此包 -->
<scope>test</scope>
</dependency>
<!-- spring核心包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Spring aop依賴包 -->
<dependency>
<groupId>aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.5.4</version>
</dependency>
<!-- mybatis核心包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- mybatis/spring整合包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
<!-- 匯入java ee jar 包 -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>
<!-- 匯入Mysql資料庫連結jar包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.30</version>
</dependency>
<!-- 匯入dbcp的jar包, 配置資料庫連線池
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.2.2</version>
</dependency>
-->
<!-- 這裡使用c3p0資料庫連線池 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5-pre8</version>
</dependency>
<dependency>
<groupId>com.mchange</groupId>
<artifactId>mchange-commons-java</artifactId>
<version>0.2.12</version>
</dependency>
<!-- JSTL標籤庫 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- 日誌檔案管理包 -->
<!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<!-- 格式化物件,方便輸出日誌 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.41</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- log end -->
<!-- 引入JSON -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!-- 上傳元件包 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.9</version>
</dependency>
</dependencies>
<build>
<finalName>SSM-Demo</finalName>
</build>
</project>
Spring各模組配置
首先配置Mybatis的全域性配置檔案 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>
<!-- 這裡可以配置MyBatis的類型別名, 延遲載入, 二級快取等等 -->
<!-- 配置類型別名 -->
<typeAliases>
<package name="com.wtu.model"/>
</typeAliases>
</configuration>
spring-mapper.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:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
<!-- 載入屬性檔案, 從類路徑下直接載入 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 註冊c3p0資料來源 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${driver}"/>
<property name="jdbcUrl" value="${url}"/>
<property name="user" value="${user}"/>
<property name="password" value="${password}"/>
</bean>
<!-- 註冊SqlSessionFactory的物件
由於SqlSessionFactory是個介面, 所以配置實現類
然後mybatis和spring整合包正好提供了一個實現類 SqlSessionFactoryBean -->
<bean id="factory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="configLocation" value="classpath:mybatis/sqlMapConfig.xml"/>
<!-- 自動掃描SQL對映xml檔案 -->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>
<!-- 通過MapperScannerConfigurer批量掃描此包, 生成所有mapper
介面的代理物件, 並且生成的每一個代理物件的id為介面名, 並且首字母小寫 -->
<!-- DAO介面所在包名,Spring會自動查詢其下的類 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.wtu.dao"/>
<!-- 這裡不能配置SqlSessionFactory
而是需要sqlSessionFactoryBeanName 通過工廠的名字來載入 -->
<property name="sqlSessionFactoryBeanName" value="factory"/>
</bean>
</beans>
資料庫連線配置的屬性檔案 jdbc.properties:
driver=com.mysql.jdbc.Driver
url=jdbc:mysql:///ssm-demo
user=root
password=lxy
Spring配置service層
spring-service.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:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
<!-- 註冊JDBC事務管理器 -->
<!-- (事務管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 註冊事務切面 -->
<tx:advice id="tx_advice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="*"/>
</tx:attributes>
</tx:advice>
<!-- 配置aop代理物件 -->
<aop:config proxy-target-class="true">
<aop:pointcut id="xxx"
expression="execution(* com.wtu.service.impl.UserServiceImpl.*(..))"/>
<aop:advisor advice-ref="tx_advice" pointcut-ref="xxx"/>
</aop:config>
<!-- 開啟spring註解 -->
<context:annotation-config/>
<!-- 掃描service包, Ioc容器建立物件 -->
<context:component-scan base-package="com.wtu.service"/>
</beans>
然後配置log4j:
直接在類路徑下新增log4j.properties:
#定義LOG輸出級別
log4j.rootLogger=INFO,Console,File
#定義日誌輸出目的地為控制檯
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#可以靈活地指定日誌輸出格式,下面一行是指定具體的格式
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n
#檔案大小到達指定尺寸的時候產生一個新的檔案
log4j.appender.File = org.apache.log4j.RollingFileAppender
#指定輸出目錄
log4j.appender.File.File = logs/SSM-Demo.log
#定義檔案最大大小
log4j.appender.File.MaxFileSize = 10MB
# 輸出所以日誌,如果換成DEBUG表示輸出DEBUG以上級別日誌
log4j.appender.File.Threshold = ALL
log4j.appender.File.layout = org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n
建表的SQL語句
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`user_name` varchar(40) NOT NULL,
`password` varchar(255) NOT NULL,
`age` int(4) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
/* Data for the table `user` */
insert into `user`(`id`,`user_name`,`password`,`age`) values (1,'小陽','666',21);
SSM框架——使用MyBatis Generator自動建立程式碼
最後配置springmvc.xml和web.xml
springmvc.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:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">
<!-- 批量掃描Controller包下的所有類, 使用IOC容器建立物件 -->
<!-- 自動掃描該包, 使SpringMVC認為包下用了@Controller註解的類是控制器 -->
<context:component-scan base-package="com.wtu.controller"/>
<!-- 配置註解形式的介面卡和對映器 -->
<mvc:annotation-driven />
<!-- 配置檢視解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 這裡的配置, 我的理解是自動給後面controller的方法 return的字串加上字首和字尾,
變成一個可用的url地址. 其實, 我也是這樣理解的, 哈哈! -->
<!-- 字首 -->
<property name="prefix" value="/jsp"/>
<!-- 字尾 -->
<property name="suffix" value=".jsp"/>
</bean>
<!-- 檔案上傳 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 預設編碼 -->
<property name="defaultEncoding" value="utf-8" />
<!-- 檔案大小最大值 -->
<property name="maxUploadSize" value="10485760000" />
<!-- 記憶體中的最大值 -->
<property name="maxInMemorySize" value="40960" />
</bean>
</beans>
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"
version="3.0">
<display-name>Archetype Created Web Application</display-name>
<!-- 配置全域性初始化引數, 載入spring的配置檔案 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/spring-*.xml</param-value>
</context-param>
<!-- 編碼過濾器, 解決中文亂碼 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<async-supported>true</async-supported>
<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監聽器, 配置啟動伺服器就開啟springIOC容器的監聽器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 防止Spring記憶體溢位的監聽器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<!--配置前端控制器 Spring MVC Servlet -->
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<!-- 此處可以可以配置成*.do,對應struts的字尾習慣 -->
<!--<url-pattern>*.do</url-pattern>-->
<url-pattern>/</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
</web-app>
Controller中的方法:
/**
* User類的控制器, 檢視顯示
*
* menglanyingfei
* on 2017.11.02 17:34
*/
@Controller
@RequestMapping("/user")
public class UserController {
@Resource
private UserService userService;
@RequestMapping("/showUser")
public String toIndex(HttpServletRequest request, Model model) {
// 應該這樣輸入/user/showUser?id=1
int userId = Integer.parseInt(request.getParameter("id"));
User user = userService.getUserById(userId);
model.addAttribute("user", user);
return "/showUser";
// return "forward:/jsp/showUser.jsp";
}
@RequestMapping("/showUser1")
public ModelAndView home(HttpServletRequest request, Model model) {
// 應該這樣輸入/user/showUser1?id=1
int userId = Integer.parseInt(request.getParameter("id"));
User user = userService.getUserById(userId);
model.addAttribute("user", user);
ModelAndView mav = new ModelAndView();
mav.setViewName("/showUser");
return mav;
}
}
然後在瀏覽器輸入
http://localhost:8080/專案名/user/showUser1?id=1
最終結果: