$(function() { $.ajaxSetup({ error: function(jqXHR, exception) { if (jqXHR.status === 0) { alert('Not connect. Verify Network.'); } else if (jqXHR.status == 404) { alert('Requested page not found. [404]'); } else if (jqXHR.status == 500) { alert('Internal Server Error [500].'); } else if (exception === 'parsererror') { alert('Requested JSON parse failed.'); } else if (exception === 'timeout') { alert('Time out error.'); } else if (exception === 'abort') { alert('Ajax request aborted.'); } else { alert('Uncaught Error. ' + jqXHR.responseText); } } }); });
参考:
http://www.unseenrevolution.com/jquery-ajax-error-handling-function/
http://stackoverflow.com/questions/377644/jquery-ajax-error-handling-show-custom-exception-messages