pom文件

<?xml version="1.0" encoding="UTF-8"?>
<!--Maven版本和头文件-->
<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>
<!-- 这是刚才配置的GAV-->
  <groupId>top.ltyzqhh</groupId>
  <artifactId>javaweb_01_maven</artifactId>
  <version>1.0-SNAPSHOT</version>

  <!--Package:项目的打包方式
  jar：java应用
  war：javaweb应用
  -->
  <packaging>war</packaging>

  <!--配置-->
  <properties>
    <!--项目的默认构建编码-->
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>

  <!--项目依赖-->
  <dependencies>
    <!--具体依赖的jar包配置文件-->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
    </dependency>
  </dependencies>

  <!--项目构建用的东西-->
  <build>
    <finalName>javaweb_01_maven</finalName>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.1.0</version>
        </plugin>
        <!-- see <http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging> -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.22.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.2.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>

	 
</project>

由于约定大于配置，建议加上，否则可能报找不到xml或者配置文件的错

<build>
<resources>
      <resource>
        <directory>src/main/java</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
        <filtering>true</filtering>
      </resource>
      <resource>
        <directory>src/main/resources</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
        <filtering>true</filtering>
      </resource>
    </resources>
</build>