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log4j.rootLogger=DEBUG, stdout          log4j.appender.stdout=org.apache.log4j.ConsoleAppender     log4j.appender.stdout.layout=org.apache.log4j.PatternLayout     log4j.appender.stdout.layout.Conv

//1、依赖 <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.6.1</version> </dependency> &a

1.依赖 <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> 2、web.xml配置 &amp