StackTraceElement s= e.getStackTrace()[0];

public static void main(String[] args) {

    try {
        int i =1/0 ;
    }catch (Exception e){
        log(e,ExceptionLogUtils.class );
    }
}


public static void log(Throwable e,Class c){
    Logger logger = LoggerFactory.getLogger(c);

    StackTraceElement s= e.getStackTrace()[0];//数组长度为 1
    logger.error("\n\n-----------------"+
                 "\n报错文件名:"+s.getFileName()+
                 "\n报错的类："+s.getClassName()+
                 "\n报错方法：："+s.getMethodName()+
                 "\n报错的行："+ s.getLineNumber()+
                 "\n报错的message："+ e.getMessage()+
                 "\n错误堆栈：\n"+getStackTrace(e)+
                 "\n------------------\n\n");
}



//获取堆栈信息
public static String getStackTrace(Throwable throwable){
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    try
    {
        throwable.printStackTrace(pw);
        return sw.toString();
    } finally
    {
        pw.close();
    }
}



11:40:53.732 [main] ERROR com.duodian.youhui.admin.utils.ExceptionLogUtils - 

-----------------
报错文件名:ExceptionLogUtils.java
报错的类：com.duodian.youhui.admin.utils.ExceptionLogUtils
报错方法：：main
报错的行：68
报错的message：/ by zero
错误堆栈：
java.lang.ArithmeticException: / by zero
	at com.duodian.youhui.admin.utils.ExceptionLogUtils.main(ExceptionLogUtils.java:68)

------------------

public static void main(String[] args) {
    logInfo("HealerJean",ExceptionLogUtils.class);
}


public static void logInfo(String msg,Class c){
    Logger logger = LoggerFactory.getLogger(c);
    String location="";
    StackTraceElement[] stacks = Thread.currentThread().getStackTrace();
    System.out.println(stacks.length); //长度为3
    for(StackTraceElement stackTraceElement:stacks){
        logger.info("\n\n**************"+
                    "\n打印文件名："+stackTraceElement.getFileName() +
                    "\n打印类名："+ stackTraceElement.getClassName() +
                    "\n方法名：" +  stackTraceElement.getMethodName() +
                    "\n行号："  +  stackTraceElement.getLineNumber() +
                    "\n打印内容:"+msg+
                    "\n**************\n\n");
        System.out.println(location);
    }

}


11:44:47.685 [main] INFO com.duodian.youhui.admin.utils.ExceptionLogUtils - 

**************
打印文件名：Thread.java
打印类名：java.lang.Thread
方法名：getStackTrace
行号：1559
打印内容:HealerJean
**************


11:44:47.689 [main] INFO com.duodian.youhui.admin.utils.ExceptionLogUtils - 

**************
打印文件名：ExceptionLogUtils.java
打印类名：com.duodian.youhui.admin.utils.ExceptionLogUtils
方法名：logInfo
行号：31
打印内容:HealerJean
**************


11:44:47.689 [main] INFO com.duodian.youhui.admin.utils.ExceptionLogUtils - 

**************
打印文件名：ExceptionLogUtils.java
打印类名：com.duodian.youhui.admin.utils.ExceptionLogUtils
方法名：main
行号：49
打印内容:HealerJean
**************

ExceptionUtils.getStackTrace(e)

@Slf4j
public class EUtils {

    /**
     * 校验数据，则抛出自定义异常（检查布尔表达式是否为 true，若为 false 则抛出自定义异常）
     *
     * @param expression 要检查的布尔表达式
     * @param e          异常信息
     */
    public static void checkCondition(boolean expression, RuntimeException e) {
        if (expression) {
            return;
        }
        throw e;
    }


    /**
     * toUncheckedException
     */
    public static RuntimeException toUncheckedException(Exception e) {
        if (e instanceof RuntimeException) {
            return (RuntimeException) e;
        } else {
            return new RuntimeException(e);
        }
    }


    /**
     * 获取异常消息
     *
     * @param length，小于等于 0 时，不进行长度限制
     */
    public static String getExceptionMessage(Exception e, Integer length) {
        String msg;
        if (e instanceof NullPointerException) {
            msg = "java.lang.NullPointerException";
        } else {
            msg = e.getMessage();
        }
        if (length == null || length <= 0) {
            return msg;
        }
        if (msg.length() > length) {
            msg = msg.substring(0, length);
        }
        return msg;
    }


}

/**
* 将CheckedException转换为UncheckedException
*/
public static RuntimeException toUncheckedException(Exception e) {
    if (e instanceof RuntimeException) {
        return (RuntimeException) e;
    } else {
        return new RuntimeException(e);
    }
}

// 反例
public void doSth(){    
  log.info("do sth and print log: {}", shop.getId());    
  // 业务逻辑    ...
}

// 反例
public void doSth(){   
  System.out.println("doSth...");    
  // 业务逻辑    ...
}

正例
// 使用 SLF4J:  
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
private static final Logger logger = LoggerFactory.getLogger(xxx.class);  

// 使用 JCL: 
import org.apache.commons.logging.Log; 
import org.apache.commons.logging.LogFactory;  
private static final Log log = LogFactory.getLog(xxx.class);

// 正例
private static final Logger LOGGER = LoggerFactory.getLogger(xxx.class);

// 简单对象
log.info("Processing user: {}", userId);

// 复杂对象或耗时操作
log.debug("Full user data: {}", () -> userService.getFullUserData(userId));

// 反例
public void doSth(){    
  try{        
    // 业务逻辑        ...    
  } catch (Exception e){        
    e.printStackTrace();    
  }}

// 正例
public void doSth(){    
  try{        
    // 业务逻辑        ...    
  } catch (Exception e){        
    log.error("execute failed", e);   
  }}

// 正例
void error(String var1, Throwable var2);
public void doSth(){    
  try{        
    // 业务逻辑        ...    
  } catch (Exception e){        
    log.error("execute failed", e);    
}}

// 反例
public void doSth(){    
  log.info("do sth and print log, data={}", JSON.toJSONString(data));    
  // 业务逻辑    ...
}

// 正例
public void doSth(){    
  log.info("do sth and print log, data={}", data.toString());    
  log.info("do sth and print log, data={}", ToStringBuilder.reflectionToString(
    data, ToStringStyle.SHORT_PREFIX_STYLE));
}

// 反例
public void doSth(){    
  doIt1();    
  log.info("do sth 111");    
  doIt2();    
  log.info("do sth 222");
}

// 正例
public void doSth(){    
  log.info("do sth and print log, id={}", id);    
  // 业务逻辑    ...
}

// 反例
public void doSth(){    
  for(String s : strList) {      
    log.info("do sth and print log: {}", s);        
    // 业务逻辑        ...    
  }
}

// 反例
public void doSth(String s){    
  log.info("do sth and print log: {}", s);  
  doStep(s);
}
private void doStep(String s){    
  log.info("do sth and print log: {}", s);    
  // 业务逻辑    ...
}

// 反例
public void doSth(String s) {     
  try {      
    doStep(s);  
  } catch (Exception e){      
    log.error("something wrong", e);  
  }
}
private void doStep(String s){    
  try {        
    // 业务逻辑    
  } catch (Exception e){        
    log.error("something wrong", e);        
    throw e;    
  }
}

// 建议
public void doSth(){    
  if(user.isVip()){        
    log.info("该用户是会员,Id:{},开始处理会员逻辑",user,getUserId());        
    //会员逻辑    
  }else{        
    log.info("该用户是非会员,Id:{},开始处理非会员逻辑",user,getUserId())        
      //非会员逻辑    
  }}

// 反例
public void doSth(){    
  log.info("print log, data={}", data.toString());    
  // 业务逻辑    ...
}

// 正例
public void doSth(){    
  log.info("print log, id={}, type={}", data.getId(), data.getType());    
  // 业务逻辑    ...
}