Paip. Debugging technology Print Stack Uapi the Java PHP python summary.

Paip. Debugging technology Print Stack Uapi the Java PHP python summary.


Author Attilax Airon, email:1466519819@qq.com
Source: Attilax's Column
Address: Http://blog.csdn.net/attilax


---------Uapi
Print stack: Printstack god.printstack ()
Get Stack String:getstack


----------------PHP,
Debug_print_backtrace (), add the error line on the front row ...
Save stack to File: Print_r (Debug_backtrace ());




C:\phpdeskc9>d:\wamp\php\php.exe E:\DedeCMS-V5.7-UTF8-SP1-Full\uploads\del_some
_dir.php E:\OfflineExplorerPortable\Download Budejie,xiaohua
#0 C () called at [e:\dedecms-v5.7-utf8-sp1-full\uploads\del_some_dir.php:31]
#1 B () called at [e:\dedecms-v5.7-utf8-sp1-full\uploads\del_some_dir.php:27]
#2 A () called at [e:\dedecms-v5.7-utf8-sp1-full\uploads\del_some_dir.php:38]


Fatal error:call to undefined function d () in E:\DEDECMS-V5.7-UTF8-SP1-FULL\UPL
Oads\del_some_dir.php on line 35




The Debug_backtrace () function generates a backtrace. [1]
This function returns an associative array




------------Java
E.printstacktrace ()


Save stack to file, Method 1
Stacktraceelement [] Messages=ex.getstacktrace ();
int length=messages.length;
for (int i=0;i<length;i++) {
System.out.println ("ClassName:" +messages[i].getclassname ());
System.out.println ("GetFileName:" +messages[i].getfilename ());
System.out.println ("Getlinenumber:" +messages[i].getlinenumber ());
System.out.println ("Getmethodname:" +messages[i].getmethodname ());
System.out.println ("toString:" +messages[i].tostring ());
}
}

Save stack to file, Method 2
Public String gettrace (Throwable t) {
StringWriter stringwriter= new StringWriter ();
PrintWriter writer= New PrintWriter (StringWriter);
T.printstacktrace (writer);
StringBuffer buffer= Stringwriter.getbuffer ();
return buffer.tostring ();
}


------------python
info = Traceback.format_exc ()
Print Info


Reference:
Python exception handling and exception information tracking-Fun (sugar-sweetened mung bean soup)-power by supdo!. Htm