用jquery的验证插件validation plugin,进行remote验证的时候,文档中说服务端需要返回json字符串,true代表有效, "false", undefined, null 代表无效。 需要验证的是用户名是否已经被注册,如果已经被注册,返回false,如果没有被注册,返回true。php服务端(laravel框架)是这样写的: public function verifyName(Request $reques...
rule中remote的规则就是ajax啊……remote : { url : '...', //输入ajax验证提交的地址 type: 'get', //提交方式，GET or POST data:{ //数据 yanzhengma : function(){ return $('#yanzhengma').val(); //获取id=“yanzhengma”中的value } }, c...
Show loading indicators during validation. Example: Username availability check rules: { username: { required: true, remote: { url: "/check-username", type: "post", data: { username: function() { return $("#username").val(); } } } } }, messages: { username: { remote: "Username ...
This shows two examples of client side validation in a form using JavaScript (with jQuery). The username will check with the server whether the chosen name is a) valid and b) available. The avatar example tries to load the URL in to a hidden image, if it fails, it shows the ...
In this tutorial, we will see “form” file input validation using jQuery. In the previous tutorial, we do this validation using PHP to check whether the file input is empty. In this jQuery example, we validate file size before submitting it for upload. The jQuery function will return false...
* http://www.opensource.org/licenses/mit-license.php * http://www.gnu.org/licenses/gpl.html*/(function($) { $.extend($.fn, {//http://docs.jquery.com/Plugins/Validation/validatevalidate:function( options ) {//if nothing is selected, return nothing; can't chain anywayif(!this.length...
It appears JQuery Form Validation supports returning an error string when using the remote validator but it’s not immediately clear how to do this and the examples tab doesn’t have an example for doing so. Getting this working is actually very easy. All you need to do is retu...
For example, if your current jQuery version is 1.4.4, first use jQuery Migrate 1.x to upgrade to jQuery 1.12.4 and then use jQuery Migrate 3.x to upgrade to the latest jQuery (3.7.1, as of this writing). If your current version is 2.2.4, you only need to use jQuery Migrate 3....
Customize error messages with data-errormessage and data-errormessage-* attributes on the form elements. For example: The following attribute's value will be loaded for the relative validation rule: data-errormessage-value-missing required groupRequired condRequired data-errormessage-type-mismatch...
** The validation execution order is taken form the order you put them in the HTML, it is recommended to always put the ajax[] validation last. For example, the custom events might fail if you put ajax[] in the middle. Ajax[] works on submit since 2.6."ajaxUserCall": { "url"...