Atititjs JavaScript exception handling mechanism and Java Exception conversion. JS Exception Process

Atititjs JavaScript exception handling mechanism and Java exception conversion . JS Exception Process

1. javascriptexception handling mechanism

Throw Str

Not throw error: Cause IE,FF Error obj is diff:

2. Webunified processing of front and rear station anomalies

Not a Java exception into a JS exception to go ok ...

Author:: Old Wow's paw attilax Ayron, email:[email protected]

Reprint please indicate source: Http://blog.csdn.net/attilax

3. javathe exception is converted toJSException

if (nosetawd(activityid)) {

runtimeexception e= new runtimeexception("E: Nosetawderr This activity has not set a prize yo. " );

String s = jsonobject. tojsonstring (e) ;

return s;

}

  

//{"@type": "Java.lang.RuntimeException", "Localizedmessage": "E:nosetawderr This activity has not set a prize yo.", "message": " E:nosetawderr This event has not set a prize yo. "," StackTrace ": [{" ClassName ":" Com.focustar.servlet.AwardServlet "," FileName ":" Awardservlet.java "," linenumber ":" MethodName ":" Main "," Nativemethod ": false}]," suppressed ": []}

---JS

if (data. leftcount==null)

{

Showeoog (data);

return;

}

function Showeoog (data)

{

var o ={};

Alert (o["a"]);

// alert (o["a"]==null);//true

Alert (o["a"]== "");//false

// alert (data["@type"]);

  if ( data [ " @type " ]!= NULL  &&  data " Span style= "color: #c0c0c0; Background:rgb (0,0,0) ">[ " @type " ]== " Java.lang.RuntimeException "

alert (data. message);

return;

}

}

Atititjs JavaScript exception handling mechanism and Java Exception conversion. JS Exception Process