利用Maven 創建Spring+SpringMVC+MyBatis+Oracle 項目
分了三個項目 Dao (jar) Service (jar) Controller (web)
工程下載地址:https://pan.baidu.com/s/1Q9I6V9Mlw47Eua18N9do3Q 密碼 1kbs
遇到的幾個坑:
1、oracle 的數據庫連接jar Maven庫中不存在!!!
Missing artifact com.oracle:ojdbc6 :jar:11.2.0
需要手動下載ojdbc 然后編譯安裝到本地maven倉庫 :Windows(7) 系統運行 cmd 打開 DOS 窗口,進入 Oracle JDBC 驅動包所在的目錄,執行命令
mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=11.2.0 -Dpackaging=jar -Dfile=ojdbc6.jar
參考解決此問題的文章地址:Missing artifact com.oracle:ojdbc14:jar:10.2.0.4.0 解決方案
如果還報 驅動找不到
Could not
load JDBC driver class [oracle.jdbc.OracleDriver]
則直接把 ojdbc6.jar 直接放到tomcat的lib目錄下。
2、*mapper.xml 等配置文件通常情況下要放在 src/main/resources目錄下(推薦)!!!
如果*mapper.xml 是放在 src/main/java 目錄下 則有時會出現 找不到xml文件的的情況,
for property 'mapperLocations'; nested exception is java.lang.IllegalArgumentException: Could not resolve resource
出現上述錯誤的主要原因在於 maven 並不會自動將 src/main/java 中的 xml 等資源文佳復制到 target/classes 中去,
,需要在pom.xml中 添加如下信息
<build> <resources> <!-- 編譯之后包含xml --> <resource> <directory>src/main/java</directory> <includes> <include>**/*.xml</include> </includes> <filtering>true</filtering> </resource> <!-- 編譯之后包含xml --> <resource> <directory>src/main/resources</directory> <includes> <include>*.xml</include> </includes> <filtering>true</filtering> </resource> </resources> </build>
參考解決此問題的文章地址:maven項目無法打包編輯mapper下的xml文件
以上是利用Spring4+SpringMvc+mybatis+maven+Oracle 分項目搭建框架過程中遇到的坑。
下面貼出搭建過程:
1、dao 項目創建:
在eclipse中 new --->other--->maven ---->maven project 如下圖:
next 如下圖
next ,普通Java項目 選擇quickstart 標紅一項;javaweb項目 選擇 webapp標紅一項。此處是普通java項目 選擇第一項。
next之后填寫 Group Id 、Artifact Id 、Version(默認即可) 這三個參數組成了 Maven中 定位一個jar的坐標。
finish創建的項目,目錄結構如下:
src/main/java
src/test/java
src/main/resources
pom.xml
打開pom.xml 注釋以下標注內容
上述四個文件作用 可參考 (3)Maven快速入門_3在Eclipse中創建Maven項目打包成jar
此處說明下: main 目錄下創建 dao和 entity的 package 對應的存放*Mapper.xml的mappers 的package需要放在resources目錄下(推薦) 。如果 mappers的package放在 main下 dao 和 entity同一目錄下 ,則 需要注意解決一下上文提到的mapper.xml找不到錯誤的問題。
pom.xml 內容:
log4j 、ojdbc 、mybatis的 maven 插件jar包。注:ojdbc一定要安裝到本地maven倉庫,否則即使在 pom.xml中引入ojdbc maven依賴中也沒有 ojdbc.jar
<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.inspur.smvc</groupId> <artifactId>dao</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <!-- 注釋 <name>dao</name> <url>http://maven.apache.org</url> --> <!-- <build> --> <!-- <resources> --> <!-- 編譯之后包含xml --> <!-- <resource> --> <!-- <directory>src/main/java</directory> --> <!-- <includes> --> <!-- <include>**/*.xml</include> --> <!-- </includes> --> <!-- <filtering>true</filtering> --> <!-- </resource> --> <!-- 編譯之后包含xml --> <!-- <resource> --> <!-- <directory>src/main/resources</directory> --> <!-- <includes> --> <!-- <include>*.xml</include> --> <!-- </includes> --> <!-- <filtering>true</filtering> --> <!-- </resource> --> <!-- </resources> --> <!-- </build> --> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <!-- https://mvnrepository.com/artifact/log4j/log4j --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <!-- https://mvnrepository.com/artifact/oracle/ojdbc --> <dependency> <groupId>com.oracle</groupId> <artifactId>ojdbc6</artifactId> <version>11.2.0</version> </dependency> <!-- <dependency> --> <!-- <groupId>commons-dbcp</groupId> --> <!-- <artifactId>commons-dbcp</artifactId> --> <!-- <version>1.2.2</version> --> <!-- </dependency> --> <!-- mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.6</version> </dependency> <!-- junit4.12 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> </dependencies> </project>
maven repository maven倉庫中搜索需要的jar 如 搜索 mybatis 把紅色框選的內容復制到 pom.xml即可
UserDao.java
package com.inspur.smvc.dao; import com.inspur.smvc.entity.User; public interface UserDao { public User login(User user); }
User.java
package com.inspur.smvc.entity; public class User { private int id; private String userName; private String password; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } }
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.inspur.smvc.dao.UserDao">
<select id="login" parameterType="User" resultType="User">
select * from t_user where userName=#{userName} and password=#{password}
</select>
</mapper>
log4j.properties
log4j.rootLogger=DEBUG, Console #Console log4j.appender.Console=org.apache.log4j.ConsoleAppender log4j.appender.Console.layout=org.apache.log4j.PatternLayout log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n log4j.logger.java.sql.ResultSet=INFO log4j.logger.org.apache=INFO log4j.logger.java.sql.Connection=DEBUG log4j.logger.java.sql.Statement=DEBUG log4j.logger.java.sql.PreparedStatement=DEBUG
mybatis-config.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> <!-- 別名 --> <settings> <setting name="logImpl" value="LOG4J"/> </settings> <typeAliases> <package name="com.inspur.smvc.entity"/> </typeAliases> </configuration>
t_user表的sql語句
-- Create table create table T_USER ( id NUMBER, username NVARCHAR2(100), password NVARCHAR2(100) )
右鍵點擊 pom.xml ---- Run As---- maven install 在target和本地倉庫中生成 jar target目錄中,生成內容如下:
右鍵點擊 pom.xml ---- Run As---- maven clean 在target和本地倉庫中清理 已經生成 jar ,重新執行 maven install 可再次生成jar
2、創建 service 項目 與dao項目創建的方式相同 ,只貼代碼
項目結構如下:
pom.xml文件內容:
spring4 的maven依賴包, spring4 與mybatis集成的的maven依賴包 。
注:依賴dao項目 需要添加 dao項目的 maven信息 , 可從dao項目 pom.xml的中復制 groupid artifactId version 信息。
<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.inspur.smvc</groupId> <artifactId>service</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <!-- <name>service</name> --> <!-- <url>http://maven.apache.org</url> --> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <!-- 依賴 dao --> <dependency> <groupId>com.inspur.smvc</groupId> <artifactId>dao</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.2</version> </dependency> <!-- spring start--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>4.1.7.RELEASE</version> </dependency> <!-- spring end --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> </dependencies> </project>
UserServiceImpl.java
package com.inspur.smvc.service.impl; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.inspur.smvc.dao.UserDao; import com.inspur.smvc.entity.User; import com.inspur.smvc.service.UserService; @Service("userService") public class UserServiceImpl implements UserService{ @Autowired private UserDao userDao; public User login(User user){ return userDao.login(user); } }
UserService.java
package com.inspur.smvc.service; import com.inspur.smvc.entity.User; public interface UserService { public User login(User user); }
applicationContext.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:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd 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/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"> <!-- 自動掃描 --> <context:component-scan base-package="com.inspur.smvc.service" /> <!-- 配置數據源 --> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"/> <property name="url" value="jdbc:oracle:thin:@10.110.2.88:1521:scossora"/> <property name="username" value="costnew"/> <property name="password" value="costnew"/> </bean> <!-- 配置mybatis的sqlSessionFactory --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 自動掃描mappers.xml文件 --> <property name="mapperLocations" value="classpath:com/inspur/smvc/mappers/*.xml"></property> <!-- mybatis配置文件 --> <property name="configLocation" value="classpath:mybatis-config.xml"></property> </bean> <!-- DAO接口所在包名,Spring會自動查找其下的類 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.inspur.smvc.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> <!-- 配置事務通知屬性 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <!-- 定義事務傳播屬性 --> <tx:attributes> <tx:method name="insert*" propagation="REQUIRED" /> <tx:method name="update*" propagation="REQUIRED" /> <tx:method name="edit*" propagation="REQUIRED" /> <tx:method name="save*" propagation="REQUIRED" /> <tx:method name="add*" propagation="REQUIRED" /> <tx:method name="new*" propagation="REQUIRED" /> <tx:method name="set*" propagation="REQUIRED" /> <tx:method name="remove*" propagation="REQUIRED" /> <tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="change*" propagation="REQUIRED" /> <tx:method name="check*" propagation="REQUIRED" /> <tx:method name="get*" propagation="REQUIRED" read-only="true" /> <tx:method name="find*" propagation="REQUIRED" read-only="true" /> <tx:method name="load*" propagation="REQUIRED" read-only="true" /> <tx:method name="*" propagation="REQUIRED" read-only="true" /> </tx:attributes> </tx:advice> <!-- 配置事務切面 --> <aop:config> <aop:pointcut id="serviceOperation" expression="execution(* com.inspur.smvc.service.*.*(..))" /> <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation" /> </aop:config> </beans>
依然需要 點擊 pom.xml 右鍵執行 Run As 執行 maven install 在target目錄 和本地maven倉庫生成 jar
3、controller 項目 (web)
此處需要創建maven版本的 web項目 :選擇 -webapp
項目結構如下:
此處比maven普通的java項目需要多web項目結構的信息 都存放在src/main/webapp下
pom.xml文件:
jsp 、servlet 、jstl、Springmvc 的 maven插件支持 還需要引入 service項目 (service項目中已經引入dao了, 所以不需要單獨引入dao)。
引入之后maven插件中就會有service和dao項目
<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.inspur.smvc</groupId> <artifactId>controller</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <!-- <name>controller Maven Webapp</name> --> <!-- <url>http://maven.apache.org</url> --> <dependencies> <!-- 引入service --> <dependency> <groupId>com.inspur.smvc</groupId> <artifactId>service</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <!-- https://mvnrepository.com/artifact/javax.servlet.jsp.jstl/jstl --> <dependency> <groupId>javax.servlet.jsp.jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- https://mvnrepository.com/artifact/javax.servlet.jsp/javax.servlet.jsp-api --> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>javax.servlet.jsp-api</artifactId> <version>2.3.1</version> <scope>provided</scope> </dependency> <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>4.0.1</version> <scope>provided</scope> </dependency> <!-- 添加Spring支持 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> </dependencies> <build> <finalName>controller</finalName> </build> </project>
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:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd 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/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"> <!-- 使用注解的包,包括子集 --> <context:component-scan base-package="com.inspur.smvc.controller" /> <!-- 視圖解析器 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/" /> <property name="suffix" value=".jsp"></property> </bean> </beans>
UserController.java
package com.inspur.smvc.controller;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import com.inspur.smvc.entity.User;
import com.inspur.smvc.service.UserService;
@Controller
@RequestMapping("/user")
public class UserController {
@Autowired
private UserService userService;
@RequestMapping("/login")
public String login(User user,HttpServletRequest request){
User resultU = userService.login(user);
if(null == resultU){
request.setAttribute("user", user);
request.setAttribute("errorMsg", "用戶名或者密碼錯誤!");
return "index";
}else{
request.getSession().setAttribute("currentUser", resultU);
return "redirect:/success.jsp";
}
}
}
MANIFEST.MF
Manifest-Version: 1.0
Class-Path:
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_2_5.xsd" id="WebApp_ID" version="2.5"> <display-name>MyBatisPro05</display-name> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <!-- Spring配置文件 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.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> <!-- 添加對springmvc的支持 --> <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> <url-pattern>*.do</url-pattern> </servlet-mapping> </web-app>
index.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> <form action="${pageContext.request.contextPath }/user/login.do" method="post"> userName:<input type="text" name="userName" value="${user.userName }"/><br/> password:<input type="password" name="password" value="${user.password }"><br/> <input type="submit" value="login"/><font color="red">${errorMsg }</font> </form> </body> </html>
success.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> 歡迎:${currentUser.userName } </body> </html>
controller web項目直接右鍵項目名 --->Run As --->Maven install 創建到target 和本地maven倉庫中。
右鍵選中項目 ---Run As --->Run on Server 發布到tomcat
輸入錯誤的用戶名或者密碼 提示如下:
輸入正確的用戶名或者密碼 提示如下:
至此 : Spring4+mybatis3+SpringMvc+Oracle11g+tomcat7+maven 版本的工程就創建完成了。