maven下 spring+springmvc+mybatis整合,映射文件加载异常

    xiaoxiao2021-03-25  156

    项目结构

    pom.xml文件内容

    <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>com.hrbust</groupId> <artifactId>springmvc</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>springmvc Maven Webapp</name> <url>http://maven.apache.org</url> <dependencies> <!-- https://mvnrepository.com/artifact/junit/junit --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> </dependency> <!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> </dependency> <!-- https://mvnrepository.com/artifact/javax.servlet/jstl --> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- https://mvnrepository.com/artifact/taglibs/standard --> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-context --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-oxm --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-oxm</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-context-support --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-tx --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-aop --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-orm --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-test --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.1</version> </dependency> <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.10</version> </dependency> <!-- https://mvnrepository.com/artifact/com.mchange/c3p0 --> <dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.5.2</version> </dependency> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.2</version> </dependency> <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.41</version> </dependency> </dependencies> </project> spring-dao.xml文件内容 <?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" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <context:property-placeholder location="classpath:c3p0.properties"/> <bean id="dataSource" class="com.mchange.v2.c3p0.DriverManagerDataSource"> <property name="driverClass" value="${c3p0.driverClass}"/> <property name="jdbcUrl" value="${c3p0.jdbcUrl}"/> <property name="user" value="${c3p0.user}"/> <property name="password" value="${c3p0.password}"/> </bean> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <property name="configLocation" value="classpath:/mybatis-config.xml"/> </bean> <bean id="studentDao" class="org.mybatis.spring.mapper.MapperFactoryBean"> <property name="mapperInterface" value="com.hrbust.dao.ListStudentDao"/> <property name="sqlSessionFactory" ref="sqlSessionFactory"/> </bean> </beans> mapper.xml文件内容 <?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> <mappers> <mapper resource="com/hrbust/dao/xml/listStudentMapping.xml"/> </mappers> </configuration>

    这时,项目部署的话会抛出IOException

    那么问题就来了,明明配置好了啊(不要问我明明是谁,我哪知道)

    打开target文件夹,展开dao???

    映射文件呢,让我吃了。。。。

    这是因为maven在build项目时只会将src/main/java/下的*.java文件编译到class文件夹下,而xml文件没有被build到class文件夹下,所以会抛出IOException

    怎么解决呢??这个时候只需在pom文件中加入如下代码 <build> <finalName>springmvc</finalName> <resources> <resource> <directory>src/main/java</directory> <includes> <include>**/*.xml</include> </includes> <filtering>true</filtering> </resource> </resources> </build>

    主要是<resources>节点的配置,配置完之后就可以正常部署了 不足之处请大家指出,谢谢!!

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