1 import java.io.PrintWriter; 2 import java.io.StringWriter; 3  4 public class ExceptionUtil { 5  6     /** 7      * 获取异常的堆栈信息 8      *  9      * @param t10      * @return11      */12     public static String getStackTrace(Throwable t) {13         StringWriter sw = new StringWriter();14         PrintWriter pw = new PrintWriter(sw);15 16         try {17             t.printStackTrace(pw);18             return sw.toString();19         } finally {20             pw.close();21         }22     }23 }