httpclient的pom

文件可以在Maven中央仓库中找到，也可以在Apache官网上找到。

以下是HttpClient 4.5.13的pom.xml文件示例：

<project>
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpclient</artifactId>
    <version>4.5.13</version>
    <packaging>jar</packaging>
    <name>Apache HttpClient</name>
    <description>The Apache HttpClient library is a toolset for implementing HTTP clients. It supports HTTP/1.1, HTTP/2, and HTTPS protocols.</description>
    <url>https://hc.apache.org/httpcomponents-client-4.5.x/index.html</url>
    <licenses>
        <license>
            <name>Apache License, Version 2.0</name>
            <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
            <distribution>repo</distribution>
        </license>
    </licenses>
    <developers>
        <developer>
            <id>olegk</id>
            <name>Oleg Kalnichevski</name>
            <email>olegk@apache.org</email>
            <roles>
                <role>project lead</role>
            </roles>
        </developer>
        <developer>
            <id>sebb</id>
            <name>Sebb (ASF)</name>
            <email>sebb@apache.org</email>
            <roles>
                <role>developer</role>
            </roles>
        </developer>
    </developers>
    <dependencies>
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.15</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpcore</artifactId>
            <version>4.4.14</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>commons-logging</groupId>
            <artifactId>commons-logging</artifactId>
            <version>1.2</version>
            <scope>compile</scope>
        </dependency>
    </dependencies>
</project>

该文件包含了项目的基本信息、开源许可证、开发者信息以及依赖项信息。在Maven中，通过引入该pom.xml文件即可获取HttpClient的依赖项，并将其添加到项目中。