SLF4J logging interface framework

SLF4J logging interface framework

introduce

SLF4J, the Simple Logging Facade for Java, is not a specific logging solution, it only serves a variety of logging systems. Officially, SLF4J is a simple facade for logging systems, allowing end users to deploy their applications with the logging system they want

Instructions for use

Dependency package: slf4j-api, slf4j-jdk14/slf4j-simple

use

     <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
       <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-jdk14</artifactId>
      <version>${slf4j.version}</version>
    </dependency>

code

     public class TestLog {
    private static Logger LOG = LoggerFactory.getLogger(TestLog.class);

    public TestLog() {
    }

    public static void main(String[] args) {
        LOG.error("Error Message!");
        LOG.warn("Warn Message!");
        LOG.info("Info Message!");
        LOG.debug("Debug Message!");
        LOG.trace("Trace Message!");
    }
}

output

    四月 18, 2018 3:17:08 下午 com.gdunis.logger.TestLog main
    严重: Error Message!
    四月 18, 2018 3:17:08 下午 com.gdunis.logger.TestLog main
    警告: Warn Message!
    四月 18, 2018 3:17:08 下午 com.gdunis.logger.TestLog main
    信息: Info Message!