option的参数 var optiOns= { target: '#output1', // target element(s) to be updated with server response beforeSubmit: showRequest, // pre-submit callback success: showResponse // post-submit callback
// other available options: //url: url // override for form's 'action' attribute //type: type // 'get' or 'post', override for form's 'method' attribute //dataType: null // 'xml', 'script', or 'json' (expected server response type) //clearForm: true // clear all form fields after successful submit //resetForm: true // reset the form after successful submit
// $.ajax options can be used here too, for example: //timeout: 3000 };