将异常信息Exception转为String字符串打印输出

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/**
* 测试异常捕获机制
* @author shixiangcheng
* 2019-12-02
*/
public class Test {
public static void main(String [] args) throws Exception{
try{
double a=1/0;//执行到当前行将报错
}catch(Exception e){
//捕获异常，只能将错误信息打印到控制台，不便于上线后的跟踪
e.printStackTrace();
}finally{
}
}
}

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import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
/**
* 测试异常捕获机制
* @author shixiangcheng
* 2019-12-02
*/
public class Test {
public static void main(String [] args) throws Exception{
try{
double a=1/0;//执行到当前行将报错
}catch(Exception e){
//捕获异常
final Writer result = new StringWriter();
final PrintWriter printWriter = new PrintWriter(result);
e.fillInStackTrace().printStackTrace(printWriter);
//将异常信息转换为字符串输出
System.out.println("result= "+result.toString());
}finally{
//记录日志(包含异常信息)
}
}
}

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result= java.lang.ArithmeticException: / by zero
at com.anji.ajdp.Test.main(Test.java:20)