【SSM】Eclipse使用Maven建立Web專案+整合SSM框架
自己接觸ssm框架有一段時間了,從最早的接觸新版ITOO專案的(SSM/H+Dobbu zk),再到自己近期來學習到的《淘淘商城》一個ssm框架的電商專案。用過,但是還真的沒有自己搭建過,一直都是用別人搭建好的。所以,從網上找了一些材料,結合自己來解決過程中的一些問題,使自己對ssm框架理解更加深了,不為分享,只是總結一下,下次有機會再搭建的時候,直接看自己的部落格,省得找了!
一、準備環境:
maven:apache-maven-3.2.3
jdk:jdk1.8.0_25
tomcat:tomcat-6.0.37
mysql:阿里雲centos7 搭建的mysql
二、配置Maven、jdk
1、Window——>Preferences——>Maven——>設定自己的Settings
2、Window——>Preferences——>Java——>Installed JREs——>Add
配置好maven之後,就可以在本地設定好的地方看到對應的Maven檔案了,還有包含resp資料夾
三、新建Maven專案:
1、右擊——>New(或者是File——>New)——>other——>Maven——>Maven Project——>Next
2、這時候,我們就成功創建出一個Maven專案了,專案結構如下圖:
到這裡,我們的Maven專案就建好了,接下來,我們來整合搭建SSM(Spring MVC + Spring + Mybatis)
首先我們來配置一些整合框架所必須要的jar包,也就是來配置我們的pom檔案,然後直接alt+f5,儲存後,就會自動下載,存放在之前配置好的本地maven倉庫中。
pox.xml配置依賴的內容:
<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>org.storm</groupId> <artifactId>storm</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>storm 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> <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> <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>${spring.version}</version> </dependency> <!-- mybatis核心包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!-- mybatis/spring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> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.31</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,用來在applicationContext.xml中配置資料庫 --> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.2.2</version> </dependency> <!-- JSTL標籤類 --> <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>${slf4j.version}</version> </dependency> <!-- log end --> <!-- 映入JSON --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <!-- 上傳元件包 --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.9</version> </dependency> </dependencies> <build> <finalName>storm</finalName> </build> </project>
2、在src/main/resources下新增配置檔案:spring-mybatis.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 自動掃描 --> <context:component-scan base-package="com.cn.hnust" /> <!-- 引入配置檔案 --> <!-- <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="classpath:jdbc.properties" /> </bean> --> <context:property-placeholder ignore-unresolvable="true" location="classpath:jdbc.properties" /> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <property name="driverClassName" value="${jdbc.driver}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <!-- 初始化連線大小 --> <property name="initialSize" value="${jdbc.initialSize}"></property> <!-- 連線池最大數量 --> <property name="maxActive" value="${jdbc.maxActive}"></property> <!-- 連線池最大空閒 --> <property name="maxIdle" value="${jdbc.maxIdle}"></property> <!-- 連線池最小空閒 --> <property name="minIdle" value="${jdbc.minIdle}"></property> <!-- 獲取連線最大等待時間 --> <property name="maxWait" value="${jdbc.maxWait}"></property> </bean> <!-- spring和MyBatis完美整合,不需要mybatis的配置對映檔案 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 自動掃描mapping.xml檔案 --> <property name="mapperLocations" value="classpath:com/cn/hnust/mapping/*.xml"></property> </bean> <!-- 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.cn.hnust.dao" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property> </bean> <!-- (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> </beans>
配置資料庫連線池:jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://**.**.**.**:3306/db_zsl jdbc.username=root jdbc.password=123456 #\u5B9A\u4E49\u521D\u59CB\u8FDE\u63A5\u6570 jdbc.initialSize=0 #\u5B9A\u4E49\u6700\u5927\u8FDE\u63A5\u6570 jdbc.maxActive=20 #\u5B9A\u4E49\u6700\u5927\u7A7A\u95F2 jdbc.maxIdle=20 #\u5B9A\u4E49\u6700\u5C0F\u7A7A\u95F2 jdbc.minIdle=1 #\u5B9A\u4E49\u6700\u957F\u7B49\u5F85\u65F6\u95F4 jdbc. jdbc.maxWait=60000
配置日誌:log4j.properties
log4j.rootLogger=INFO,Console,File #\u5B9A\u4E49\u65E5\u5FD7\u8F93\u51FA\u76EE\u7684\u5730\u4E3A\u63A7\u5236\u53F0 log4j.appender.Console=org.apache.log4j.ConsoleAppender log4j.appender.Console.Target=System.out #\u53EF\u4EE5\u7075\u6D3B\u5730\u6307\u5B9A\u65E5\u5FD7\u8F93\u51FA\u683C\u5F0F\uFF0C\u4E0B\u9762\u4E00\u884C\u662F\u6307\u5B9A\u5177\u4F53\u7684\u683C\u5F0F log4j.appender.Console.layout = org.apache.log4j.PatternLayout log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n #\u6587\u4EF6\u5927\u5C0F\u5230\u8FBE\u6307\u5B9A\u5C3A\u5BF8\u7684\u65F6\u5019\u4EA7\u751F\u4E00\u4E2A\u65B0\u7684\u6587\u4EF6 log4j.appender.File = org.apache.log4j.RollingFileAppender #\u6307\u5B9A\u8F93\u51FA\u76EE\u5F55 log4j.appender.File.File = logs/ssm.log #\u5B9A\u4E49\u6587\u4EF6\u6700\u5927\u5927\u5C0F log4j.appender.File.MaxFileSize = 10MB # \u8F93\u51FA\u6240\u4EE5\u65E5\u5FD7\uFF0C\u5982\u679C\u6362\u6210DEBUG\u8868\u793A\u8F93\u51FADEBUG\u4EE5\u4E0A\u7EA7\u522B\u65E5\u5FD7 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
接下來,我們來整合spring mvc: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-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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 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.cn.hnust.controller" /> <!--避免IE執行AJAX時,返回JSON出現下載檔案 --> <bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>text/html;charset=UTF-8</value> </list> </property> </bean> <!-- 啟動SpringMVC的註解功能,完成請求和註解POJO的對映 --> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> <property name="messageConverters"> <list> <ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON轉換器 --> </list> </property> </bean> <!-- 定義跳轉的檔案的前後綴 ,檢視模式配置--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- 這裡的配置我的理解是自動給後面action的方法return的字串加上字首和字尾,變成一個 可用的url地址 --> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> <!-- 配置檔案上傳,如果沒有使用檔案上傳可以不用配置,當然如果不配,那麼配置檔案中也不必引入上傳元件包 --> <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>
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" version="3.0"> <display-name>Archetype Created Web Application</display-name> <!-- Spring和mybatis的配置檔案 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring-mybatis.xml</param-value> </context-param> <!-- 編碼過濾器 --> <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 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 防止Spring記憶體溢位監聽器 --> <listener> <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class> </listener> <!-- 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-mvc.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>/</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>/index.jsp</welcome-file> </welcome-file-list> </web-app>
到這裡,我們的ssm框架就完成了,下面,我們來個實現:
在src/main/java下分別新增我們的dao包,service包,還有controller包.包裡面新增相應的類,效果圖如下:
UserController.java:
package com.cn.hnust.controller; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import com.cn.hnust.pojo.User; import com.cn.hnust.service.IUserService; @Controller @RequestMapping("/user") public class UserController { @Resource private IUserService userService; @RequestMapping("/showUser") public String toIndex(HttpServletRequest request,Model model){ int userId = Integer.parseInt(request.getParameter("id")); User user = this.userService.getUserById(userId); model.addAttribute("user", user); return "showUser"; } }
IUserDao.java:package com.cn.hnust.dao; import com.cn.hnust.pojo.User; public interface IUserDao { public User selectByPrimaryKey(int userId) ; }
User.java:
package com.cn.hnust.pojo; public class User { private Integer id; private String userName; private String password; private Integer age; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName == null ? null : userName.trim(); } public String getPassword() { return password; } public void setPassword(String password) { this.password = password == null ? null : password.trim(); } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } }
UserMapper.xml:<?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.cn.hnust.dao.IUserDao"> <resultMap id="BaseResultMap" type="com.cn.hnust.pojo.User" > <id column="id" property="id" jdbcType="INTEGER" /> <result column="user_name" property="userName" jdbcType="VARCHAR" /> <result column="password" property="password" jdbcType="VARCHAR" /> <result column="age" property="age" jdbcType="INTEGER" /> </resultMap> <sql id="Base_Column_List" > id, user_name, password, age </sql> <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" > select <include refid="Base_Column_List" /> from user_t where id = #{id,jdbcType=INTEGER} </select> </mapper>
IUserService.java:
package com.cn.hnust.service; import com.cn.hnust.pojo.User; public interface IUserService { public User getUserById(int userId); }
UserServiceImpl.java:
package com.cn.hnust.service.impl; import javax.annotation.Resource; import org.springframework.stereotype.Service; import com.cn.hnust.dao.IUserDao; import com.cn.hnust.pojo.User; import com.cn.hnust.service.IUserService; @Service("userService") public class UserServiceImpl implements IUserService { @Resource private IUserDao userDao; public User getUserById(int userId) { return this.userDao.selectByPrimaryKey(userId); } }
接下來就是我們的靜態頁面了jsp檔案了,在WEB-INF資料夾下新建jsp資料夾,新增userinfo.jspshowUser.jsp:
<%@ 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> <!-- localhost:8080/storm/user/showUser?id=1 --> <input id="userName" value="${user.userName}"> </body> </html>
哦,忘記配置tomcat,配置一下tomcat,然後部署釋出專案,進行測試
到此,框架成!
其實,我們完全可以使用工具來自動生成IDao、Mapper,相關知識就請大家自行學習,不再一一列舉。
總結:
真心知道用maven之後,我們大框架真的方便多了,最起碼不用個頂個的去找jar包,然後逐一的
匯入,只需要在pom檔案裡面配置一下依賴,就好了。雖然說比較簡單,可是可能是自己沒有動手弄過
吧,期間除了各種各樣的錯,或者說是失誤,但是,總之,耗時一天半,總算是通了,這也是收穫,
加油吧,少(qing)年。