ExceptionUtil

import java.io.PrintWriter;import java.io.StringWriter;public class ExceptionUtil {    /**     * 获取异常的堆栈信息     *      * @param t     * @return     */    public static String getStackTrace(Throwable t) {        StringWriter sw = new StringWriter();        PrintWriter pw = new PrintWriter(sw);        try {            //将异常信息输出在控制台            t.printStackTrace(pw);            //将异常信息返回            return sw.toString();        } finally {            pw.close();        }    }}