slf4j+log4j2 pom配置

<!-- log start -->

        <dependency>

            <groupId>org.slf4j</groupId>

            <artifactId>slf4j-api</artifactId>

            <version>${slf4j.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.logging.log4j</groupId>

            <artifactId>log4j-core</artifactId>

            <version>${log4j2.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.logging.log4j</groupId>

            <artifactId>log4j-api</artifactId>

            <version>${log4j2.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.logging.log4j</groupId>

            <artifactId>log4j-slf4j-impl</artifactId>

            <version>${log4j2.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.logging.log4j</groupId>

            <artifactId>log4j-web</artifactId>

            <version>${log4j2.version}</version>

        </dependency>

        <!-- adapter log4j -->

        <dependency>

            <groupId>org.slf4j</groupId>

            <artifactId>log4j-over-slf4j</artifactId>

            <version>1.7.12</version>

        </dependency>

        <!-- adapter commons-logging -->

        <dependency>

            <groupId>org.slf4j</groupId>

            <artifactId>jcl-over-slf4j</artifactId>

            <version>1.7.12</version>

        </dependency>

        <!-- log end -->

忘了版本：

<log4j2.version>2.4.1</log4j2.version>

<slf4j.version>1.7.12</slf4j.version>