springboot依赖log4j

在Spring Boot中使用Log4j的方法如下：
1. 在pom.xml文件中引入log4j的依赖：

<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-log4j -->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-log4j</artifactId>
    <version>1.3.8.RELEASE</version>
</dependency>

2. 关闭Spring Boot自带的Logback依赖：

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <!-- exclude Logback -->
    <exclusions>
        <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </exclusion>
    </exclusions>
</dependency>

3. 创建一个测试类，并在该类中使用Logger记录日志：

package com.boot.zhiyi.logTest;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
public class logTest {
    private Logger logger = LoggerFactory.getLogger(this.getClass());

    @Test
    public void testLog() {
        logger.error("用户为绑定就开始缴费");
    }
}

通过以上步骤，你就可以在Spring Boot项目中使用Log4j来记录日志了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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