validationEngine ajax

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php -- inline和submit的ajax验证(包括三个地方需要配置)
1：文件中js配置（除了引入该有的js、css外还需此配置）
$(document).ready(function(){
	// Called once the server replies to the ajax form validation request
	function ajaxValidationCallback(status, form, json, options){
		if(json[0][1]){
			var action = "/sysrole/create";
			form.attr("action",action);
			form.validationEngine('detach');
			form.submit();
		}  
	}
	$("#form_validate").validationEngine({
		ajaxFormValidation: true,//开启表单提交验证
		onAjaxFormComplete: ajaxValidationCallback//启用回调
	});
});

2：表单：
<form id="form_validate" name="form_validate" action="/ajax/rolesubmit" method="post">
<input id="roleName" name="roleName" type="text" value="{$roleName}" class="validate[required],maxSize[30],ajax[ajaxRole] input">
</form>

3：验证：
 "ajaxRole": {
               "url": "/ajax/role",
               	// you may want to pass extra data on the ajax call
               	"extraData": "name=duncan",
               	"alertText": "* 此角色名称已被其他人使用",
               	"alertTextLoad": "* 正在确认，请稍等…"
                }