jquery.validate是jquery旗下的一个验证框架,借助jquery的优势,我们可以迅速验证一些常见的输入,还可以自己扩充自己的验证方法,并且对国际化也有很好的支
JQuery.validate.js 在表单验证中经常使用,初学,对于其中Remote的使用说明一下.
. 基本解释
JQuery主要用于DOM树和CSS树的检索和后面的操作的一套方法,JQuery.validate.js是对JQuery的一个插件,可以认为是对JQuery在某个特殊场景下的扩展,而Validate就是对表单验证提供的扩展。
. 场景解释
用户进行注册用户的时候,要异步的判断用户名是否存在,给出提示信息。
. 通过案例学习
Html和JavaScript结合的脚本.
<!DOCTYPE html PUBLIC "-//WC//DTD XHTML . Transitional//EN" "http://www.w.org/TR/xhtml/DTD/xhtml-transitional.dtd"><html xmlns="http://www.w.org//xhtml"><head><script src="../includes/libraries/javascript/jquery.js" type="text/javascript" charset="utf-" ></script><script src="../includes/libraries/javascript/jquery.plugins/jquery.validate.js" type="text/javascript" charset="utf-"></script><script type="text/javascript">$().ready(function() {$("#signupForm").validate({debug: false,onkeyup:false,/*忽略某些元素不做验证*///ignore: ".ignore",/* 更改错误信息显示的位置Default:errorPlacement: function(error, element) { error.appendTo(element.parent()); } error.appendTo(element.parent());*//*submitHandle: function(form){alert("submited!");form.submit();},*/rules: {/*firstname: { required: function(){ return true;}},*/firstname: {required: true,remote: {url: "Learn.php",type: "post",//DataType: "json",data: {firstname: function(){return $("#firstname").val();}}}},phonenum: {required: true,digits: true,rangelength: [,]},email: {required: true,email: true},password: {required: true,minlength: },confirm_password: {required: true,minlength: ,equalTo: "#password"}},messages: {firstname: {required: "请输入姓名",remote: "请输入姓名,remote"},phonenum: {required: "请输入手机号",digits: "存在字符,非法手机号",rangelength: "手机号位数不对"},email: {required: "请输入Email地址",email: "请输入正确的email地址"},password: {required: "请输入密码",minlength: jQuery.format("密码不能小于{}个字 符")},confirm_password: {required: "请输入确认密码",minlength: "确认密码不能小于个字符",equalTo: "两次输入密码不一致不一致"}},submitHandler: function(form){alert("验证通过");} });}); </script></head><body><form id="signupForm" method="post" action=""><p><label for="firstname">姓氏</label><input id="firstname" name="firstname" /></p><p><label for="phonenum">手机</label><input id="phonenum" name="phonenum" /></p><p><label for="email">邮件</label><input id="email" name="email" /></p><p><label for="password">密码</label><input id="password" name="password" type="password" /></p><p><label for="confirm_password">确认密码</label><input id="confirm_password" name="confirm_password" type="password" /></p><p><input class="submit" type="submit" value="提交"/></p></form></body></html>
后台PHP代码 BaseFunction.php
<?phpfunction WriteLog($msg){$filename = dirname(__FILE__) ."//Debug.log";$handler = null;if (($handler = fopen($filename, 'ab+')) !== false){fwrite($handler, "/n".'['.date('Y-m-d H:i:s').']'."/t".$msg);fclose($handler);}}function CheckUser($UserName) { if( $_REQUEST[$UserName] == 'php' ){exit("false");}else{exit("true");}}?>
后台PHP代码 Learn.php
<?phprequire("BaseFunction.php");CheckUser('firstname');?>
以上所述是小编给大家介绍的JQuery validate插件Remote用法大全的相关知识,希望对大家以上帮助!
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