JQeury form插件的ajaxForm方法和ajaxSubmit方法的区别

/**
*ajaxForm()providesamechanismforfullyautomatingformsubmission.
*
*TheadvantagesofusingthismethodinsteadofajaxSubmit()are:
*
*1:Thismethodwillincludecoordinatesfor<inputtype="image"/>elements(iftheelement
*isusedtosubmittheform).
*2.Thismethodwillincludethesubmitelement'sname/valuedata(fortheelementthatwas
*usedtosubmittheform).
*3.Thismethodbindsthesubmit()methodtotheformforyou.
*
*TheoptionsargumentforajaxFormworksexactlyasitdoesforajaxSubmit.ajaxFormmerely
*passestheoptionsargumentalongafterproperlybindingeventsforsubmitelementsand
*theformitself.
*/
$.fn.ajaxForm=function(options){
options=options||{};
options.delegation=options.delegation&&$.isFunction($.fn.on);

//injQuery1.3+wecanfixmistakeswiththereadystate
if(!options.delegation&&this.length===0){
varo={s:this.selector,c:this.context};
if(!$.isReady&&o.s){
log('DOMnotready,queuingajaxForm');
$(function(){
$(o.s,o.c).ajaxForm(options);
});
returnthis;
}
//isyourDOMready?http://docs.jquery.com/Tutorials:Introducing_$(document).ready()
log('terminating;zeroelementsfoundbyselector'+($.isReady?'':'(DOMnotready)'));
returnthis;
}

if(options.delegation){
$(document)
.off('submit.form-plugin',this.selector,doAjaxSubmit)
.off('click.form-plugin',captureSubmittingElement)
.on('submit.form-plugin',options,doAjaxSubmit)
.on('click.form-plugin',captureSubmittingElement);
returnthis;
}

returnthis.ajaxFormUnbind()
.bind('submit.form-plugin',doAjaxSubmit)
.bind('click.form-plugin',captureSubmittingElement);
};

上面摘录的代码，是JQuery fom插件中ajaxFom这个方法的源代码。

下载地址为：http://plugins.jquery.com/form/

ajaxForm注释的含义，大致强调这点意思：

用ajaxform，要么form表单中包含可以submit的元素，要么方法在注册submit事件中调用。也就是说，用ajaxForm必须要有触发submit的方法，否则无法提交form。

相比而言，ajaxSubmit这个方法将直接触发form的submit提交。

（编辑：李大同）

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