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(4)Maven快速入门_4在Spring+SpringMVC+MyBatis+Oracle+Maven框架整合运行在Tomcat8中

利用Maven 创建Spring+SpringMVC+MyBatis+Oracle 项目

分了三个项目 Dao (jar) Service (jar) Controller (web)

工程下载地址：https://pan.baidu.com/s/1Q9I6V9Mlw47Eua18N9do3Q 密码 1kbs

遇到的几个坑：

1、oracle 的数据库连接jar Maven库中不存在！！！

Missing artifact com.oracle:ojdbc6 :jar:11.2.0

需要手动下载ojdbc 然后编译安装到本地maven仓库：Windows(7) 系统运行 cmd 打开 DOS 窗口，进入 Oracle JDBC 驱动包所在的目录，执行命令

mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=11.2.0 -Dpackaging=jar -Dfile=ojdbc6.jar

参考解决此问题的文章地址：Missing artifact com.oracle:ojdbc14:jar:10.2.0.4.0 解决方案

如果还报驱动找不到

Could not 
load JDBC driver class [oracle.jdbc.OracleDriver]

则直接把 ojdbc6.jar 直接放到tomcat的lib目录下。

2、*mapper.xml 等配置文件通常情况下要放在 src/main/resources目录下（推荐）！！！

如果*mapper.xml 是放在 src/main/java 目录下则有时会出现找不到xml文件的的情况，

for property 'mapperLocations'; nested exception is java.lang.IllegalArgumentException: Could not resolve resource

出现上述错误的主要原因在于 maven 并不会自动将 src/main/java 中的 xml 等资源文佳复制到 target/classes 中去，

，需要在pom.xml中添加如下信息

 <build>     
        <resources>
<!--             编译之后包含xml -->
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
                <filtering>true</filtering>
            </resource>
<!--             编译之后包含xml -->
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>*.xml</include>
                </includes>
                <filtering>true</filtering>
            </resource>
        </resources>
    </build>

参考解决此问题的文章地址：maven项目无法打包编辑mapper下的xml文件

以上是利用Spring4+SpringMvc+mybatis+maven+Oracle 分项目搭建框架过程中遇到的坑。

下面贴出搭建过程:

1、dao 项目创建：

在eclipse中 new --->other--->maven ---->maven project 如下图：

next 如下图

next ，普通Java项目选择quickstart 标红一项；javaweb项目选择 webapp标红一项。此处是普通java项目选择第一项。

next之后填写 Group Id 、Artifact Id 、Version（默认即可）这三个参数组成了 Maven中定位一个jar的坐标。

finish创建的项目，目录结构如下：

src/main/java

src/test/java

src/main/resources

pom.xml

打开pom.xml 注释以下标注内容

上述四个文件作用可参考 (3)Maven快速入门_3在Eclipse中创建Maven项目打包成jar

此处说明下： main 目录下创建 dao和 entity的 package 对应的存放*Mapper.xml的mappers 的package需要放在resources目录下（推荐）。如果 mappers的package放在 main下 dao 和 entity同一目录下，则需要注意解决一下上文提到的mapper.xml找不到错误的问题。

pom.xml 内容：

log4j 、ojdbc 、mybatis的 maven 插件jar包。注：ojdbc一定要安装到本地maven仓库，否则即使在 pom.xml中引入ojdbc maven依赖中也没有 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>
    <!--  注释
  <name>dao</name>
  <url>http://maven.apache.org</url>
     -->
     
<!--      <build>      -->
<!--         <resources> -->
<!--             编译之后包含xml -->
<!--             <resource> -->
<!--                 <directory>src/main/java</directory> -->
<!--                 <includes> -->
<!--                     <include>**/*.xml</include> -->
<!--                 </includes> -->
<!--                 <filtering>true</filtering> -->
<!--             </resource> -->
<!--             编译之后包含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仓库中搜索需要的jar 如搜索 mybatis 把红色框选的内容复制到 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>
    <!-- 别名 -->
     <settings>
        <setting name="logImpl" value="LOG4J"/>
    </settings>
    <typeAliases>
        <package name="com.inspur.smvc.entity"/>
    </typeAliases>
</configuration>

t_user表的sql语句

-- Create table
create table T_USER
(
  id       NUMBER,
  username NVARCHAR2(100),
  password NVARCHAR2(100)
)

右键点击 pom.xml ---- Run As---- maven install 在target和本地仓库中生成 jar target目录中,生成内容如下：

右键点击 pom.xml ---- Run As---- maven clean 在target和本地仓库中清理已经生成 jar ，重新执行 maven install 可再次生成jar

2、创建 service 项目与dao项目创建的方式相同，只贴代码

项目结构如下：

pom.xml文件内容:

spring4 的maven依赖包， spring4 与mybatis集成的的maven依赖包。

注：依赖dao项目需要添加 dao项目的 maven信息，可从dao项目 pom.xml的中复制 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>
  
  <!-- 依赖 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">    
        
    <!-- 自动扫描 -->
    <context:component-scan base-package="com.inspur.smvc.service" />
    
    <!-- 配置数据源 -->
    <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" />
        <!-- 自动扫描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会自动查找其下的类 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.inspur.smvc.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>
    
    <!-- 配置事务通知属性 -->  
    <tx:advice id="txAdvice" transaction-manager="transactionManager">  
        <!-- 定义事务传播属性 -->  
        <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>  
  
    <!-- 配置事务切面 -->  
    <aop:config>  
        <aop:pointcut id="serviceOperation"  
            expression="execution(* com.inspur.smvc.service.*.*(..))" />  
        <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation" />  
    </aop:config>  
    
   
</beans>

依然需要点击 pom.xml 右键执行 Run As 执行 maven install 在target目录和本地maven仓库生成 jar

3、controller 项目（web）

此处需要创建maven版本的 web项目：选择 -webapp

项目结构如下：

此处比maven普通的java项目需要多web项目结构的信息都存放在src/main/webapp下

pom.xml文件：

jsp 、servlet 、jstl、Springmvc 的 maven插件支持还需要引入 service项目 (service项目中已经引入dao了，所以不需要单独引入dao)。

引入之后maven插件中就会有service和dao项目

<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" />

    <!-- 视图解析器 -->
    <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", "用户名或者密码错误！");
            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>
    <!-- 编码过滤器 -->
    <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监听器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    
    <!-- 添加对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>
欢迎：${currentUser.userName }
</body>
</html>

controller web项目直接右键项目名 --->Run As --->Maven install 创建到target 和本地maven仓库中。

右键选中项目 ---Run As --->Run on Server 发布到tomcat

输入错误的用户名或者密码提示如下：

输入正确的用户名或者密码提示如下：

至此： Spring4+mybatis3+SpringMvc+Oracle11g+tomcat7+maven 版本的工程就创建完成了。

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原文地址：https://www.cnblogs.com/prefectjava/p/9337256.html