前言
IDEA新建项目和pom.xml文件被修改时，右下角都会出现 Maven projects need to be imported（项目需要导入依赖）
如下，点击 Import Changes导入后，有时会一直处于加载中或导入失败
解决方法
第一种方法：
右击pom.xml文件，选择Maven中的Reimport重新导入项目依赖，一般这种方法都解决不了上面的问题，可直接看下面的方法
第二种方法：
点击 File 选择 Settings… 直接搜索 Maven，在搜索结果中 Maven home directory：默认为Bundled(Maven 3)，点击选择IDEA自带的Maven，再点击应用–>OK，重新导入(第一种方法)即可
第三种方法：
若第二种方法还不能解决项目的依赖导入问题，则需要使用国内的Maven类库，IDEA的Maven类库默认都是使用国外的，一些地区由于墙的原因加载会很慢或者加载不了，此时可以导入阿里云的 Maven 类库(一个settings_aliyun.xml文件)来使用，我就是用这个方法才解决的😂😂
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.tcl.kuyu.salesreport</groupId>
<artifactId>salesreport-server</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>salesreport-server</name>
<url>http://maven.apache.org</url>
<!-- 刚开始的时候，我很不习惯，也不太理解为什么要用下面的标签，后来才觉得，代码就该这样。。。修改的时候也会特别的方便 -->
<properties>
<aspectj.version>1.8.9</aspectj.version>
<java.version>1.8</java.version>
<junit.version>4.12</junit.version>
<logback.version>1.1.7</logback.version>
<logback-ext-spring.version>0.1.4</logback-ext-spring.version>
<mysql.driver.version>5.1.38</mysql.driver.version>
<slf4j.version>1.7.21</slf4j.version>
<spring.version>4.2.5.RELEASE</spring.version>
<jackson.version>2.5.2</jackson.version>
<mybatis.version>3.4.0</mybatis.version>
<mybatis.spring.version>1.3.0</mybatis.spring.version>
<mybatis-plus.version>1.2.16</mybatis-plus.version>
<fastjson.version>1.2.11</fastjson.version>
<shiro.version>1.2.6</shiro.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<jetty.web.xml>${basedir}/jetty-webdefault.xml</jetty.web.xml>
</properties>
<dependencies>
<!-- junit 此处是单元测试的依赖-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junitperf</groupId>
<artifactId>junitperf</artifactId>
<version>1.8</version>
<scope>test</scope>
</dependency>
<!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</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-jms</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</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-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<!-- freemark 根据项目需要，简单的web项目的话此处是不需要的-->
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>[2.3.19,2.4)</version>
</dependency>
<dependency>
<groupId>commons-httpclient</groupId>
<artifactId>commons-httpclient</artifactId>
<version>3.1</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.1</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.2</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>${fastjson.version}</version>
</dependency>
<!-- logback begin -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<!-- logback end -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${aspectj.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${aspectj.version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.driver.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis.spring.version}</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus</artifactId>
<version>${mybatis-plus.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.mangofactory</groupId>
<artifactId>swagger-springmvc</artifactId>
<version>1.0.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.18</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.1.GA</version>
</dependency>
<!-- shiro权限管理 -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-core</artifactId>
<version>${shiro.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-web</artifactId>
<version>${shiro.version}</version>
</dependency>
<!-- 如果要与spring集成，需要添加此依赖 -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring</artifactId>
<version>${shiro.version}</version>
</dependency>
<!-- shiro权限管理 -->
</dependencies>
<build>
<finalName>salesreport</finalName>
<!--下面的resources里面的配置，大家可以根据自身项目需要进行选择和修改-->
<resources>
<resource>
<directory>src/main/resources/commons</directory>
<filtering>true</filtering>
<includes>
<include>**/*.*</include>
</includes>
</resource>
<resource>
<directory>src/main/resources/${env}</directory>
<filtering>true</filtering>
<includes>
<include>**/*.*</include>
</includes>
</resource>
</resources>
<plugins>
<!-- 编译插件 -->
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<!-- 单元测试插件 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.19</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
<!--jetty 插件，mvn jetty:run -->
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>9.3.7.v20160115</version>
<configuration>
<webApp>
<webDefaultXml>${jetty.web.xml}</webDefaultXml>
<contextPath>/</contextPath>
<descriptor>${basedir}/src/main/webapp/WEB-INF/web.xml</descriptor>
</webApp>
<stopKey>exit</stopKey>
<stopPort>9091</stopPort>
<webAppSourceDirectory>${project.basedir}/src/main/webapp</webAppSourceDirectory>
<scanIntervalSeconds>0</scanIntervalSeconds>
<httpConnector>
<port>8080</port>
</httpConnector>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>dev</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<env>dev</env>
</properties>
</profile>
<profile>
<id>sit</id>
<properties>
<env>sit</env>
</properties>
</profile>
<profile>
<id>prod</id>
<properties>
<env>prod</env>
</properties>
</profile>
<profile>
<id>uat</id>
<properties>
<env>uat</env>
</properties>
</profile>
</profiles>
</project>
导入xml文件：进入第二种方法的 Maven 界面勾选右侧第一个Override
按第一种方法重新导入一下即可
至此，Sync出现绿√即导入项目依赖成功啦！
到此这篇关于IDEA项目的依赖(pom.xml文件)导入问题及解决的文章就介绍到这了,更多相关IDEA pom.xml文件导入内容请搜索我们以前的文章或继续浏览下面的相关文章希望大家以后多多支持我们！
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