配置httpclient使用logback

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项目使用maven构建

1.这pom.xml里添加依赖httpclient并排除commons-logging依赖

<dependency>    <groupId>org.apache.httpcomponents</groupId>    <artifactId>httpclient</artifactId>    <version>4.3.1</version>    <exclusions>        <exclusion>            <artifactId>commons-logging</artifactId>            <groupId>commons-logging</groupId>        </exclusion>    </exclusions></dependency>

2. 因为common-logging是运行时依赖（runtime dependency），需要添加一个commons-logging 对应的SLF4J bridge

<dependency>    <groupId>org.slf4j</groupId>    <artifactId>jcl-over-slf4j</artifactId>    <version>1.7.5</version></dependency>

3. 添加SLF4J 和logback的依赖

<dependency>    <groupId>org.slf4j</groupId>    <artifactId>slf4j-api</artifactId>    <version>1.7.5</version></dependency><dependency>    <groupId>ch.qos.logback</groupId>    <artifactId>logback-classic</artifactId>    <version>1.0.11</version></dependency>

4.配置logback，一个简单的logback.xml 文件内容

<configuration>    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">        <layout class="ch.qos.logback.classic.PatternLayout">            <Pattern>%-5level %msg [%logger{16} %d{HH:mm:ss}]%n</Pattern>        </layout>    </appender>    <root level="INFO">        <appender-ref ref="STDOUT" />    </root>    <logger name="org.apache" level="INFO" />    <logger name="org.apache.http.wire" level="DEBUG" /></configuration>

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