javascript之jQuery 插件
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Validation
1.引入jQuery库和Validation插件
- <script src="../../scripts/jquery.js" type="text/javascript"></script>
- <script src="lib/jquery.validate.js" type="text/javascript"></script>
- $(document).ready(function(){
- $("#commentForm").validate();
- });
3.针对不同的字段,进行验证规则编码
- <form class="cmxform" id="commentForm" method="get" action="">
- <fieldset>
- <legend>一个简单的验证带验证提示的评论例子</legend>
- <p>
- <label for="cusername">姓名</label>
- <em>*</em><input id="cusername" name="username" size="25" class="required" minlength="2" />
- </p>
- <p>
- <label for="cemail">电子邮件</label>
- <em>*</em><input id="cemail" name="email" size="25" class="required email" />
- </p>
- <p>
- <label for="curl">网址</label>
- <em> </em><input id="curl" name="url" size="25" class="url" value="" />
- </p>
- <p>
- <label for="ccomment">你的评论</label>
- <em>*</em><textarea id="ccomment" name="comment" cols="22" class="required"></textarea>
- </p>
- <p>
- <input class="submit" type="submit" value="提交"/>
- </p>
- </fieldset>
- </form>
- class="required"为必须填写,minlength="2"为最小长度为2
- class="required email"为必须填写和内容需要符合email的格式
- class="url"为url格式验证
jquery.metadata.js
- 支持固定格式解析的jQuery插件
- 可将验证规则全部编写到class属性中.
改变调用验证方法
- <script type="text/javascript">
- $(document).ready(function(){
- $("#commentForm").validate({meta: "validate"});
- });
- </script>
- <form class="cmxform" id="commentForm" method="get" action="">
- <fieldset>
- <legend>一个简单的验证带验证提示的评论例子</legend>
- <p>
- <label for="cusername">姓名</label>
- <em>*</em><input id="cusername" name="username" size="25" class="{validate:{required:true, minlength:2}}" />
- </p>
- <p>
- <label for="cemail">电子邮件</label>
- <em>*</em><input id="cemail" name="email" size="25" class="{validate:{required:true, email:true}}" />
- </p>
- <p>
- <label for="curl">网址</label>
- <em> </em><input id="curl" name="url" size="25" value="" class="{validate:{url:true}}" />
- </p>
- <p>
- <label for="ccomment">你的评论</label>
- <em>*</em><textarea id="ccomment" name="comment" cols="22" class="{validate:{required:true}}" ></textarea>
- </p>
- <p>
- <input class="submit" type="submit" value="提交"/>
- </p>
- </fieldset>
- </form>
通过字段name属性值来匹配验证规则
- 在$("#commentForm").validate()方法中增加rules属性
- 通过每个字段的name属性值来匹配验证规则
- 定义验证规则:例如required:true,email:true等
- <script type="text/javascript">
- $(document).ready(function(){
- $("#commentForm").validate({
- rules: {
- username: {
- required: true,
- minlength: 2
- },
- email: {
- required: true,
- email: true
- },
- url:"url",
- comment: "required"
- }
- });
- });
- </script>
自定义验证信息
- $(document).ready(function(){
- ("#commentForm").validate({
- rules: {
- username: {
- required: true,
- minlength: 2
- },
- email: {
- required: true,
- email: true
- },
- url:"url",
- comment: "required"
- },
- messages: {
- username: {
- required: '请输入姓名',
- minlength: '请至少输入两个字符'
- },
- email: {
- required: '请输入电子邮件',
- email: '请检查电子邮件的格式'
- },
- url: '请检查网址的格式',
- comment: '请输入您的评论'
- },
- errorElement: "em", //可以用其他标签,记住把样式也对应修改
- success: function(label) {
- //label指向上面那个错误提示信息标签em
- label.text(" ") //清空错误提示消息
- .addClass("success"); //加上自定义的success类
- }
- });
- });
- <form class="cmxform" id="commentForm" method="get" action="">
- <fieldset>
- <legend>一个简单的验证带验证提示的评论例子</legend>
- <p>
- <label for="cusername">姓名</label>
- <em>*</em><input id="cusername" name="username" size="25" />
- </p>
- <p>
- <label for="cemail">电子邮件</label>
- <em>*</em><input id="cemail" name="email" size="25" />
- </p>
- <p>
- <label for="curl">网址</label>
- <em> </em><input id="curl" name="url" size="25" value="" />
- </p>
- <p>
- <label for="ccomment">你的评论</label>
- <em>*</em><textarea id="ccomment" name="comment" cols="22" rows="2"></textarea>
- </p>
- <p>
- <input class="submit" type="submit" value="提交"/>
- </p>
- </fieldset>
- </form>
美化验证信息
- em { font-weight: bold; padding-right: 1em; vertical-align: top; }
- em.error {
- background:url("images/unchecked.gif") no-repeat 0px 0px;
- padding-left: 16px;
- }
- em.success {
- background:url("images/checked.gif") no-repeat 0px 0px;
- padding-left: 16px;
- }
- <script type="text/javascript">
- $(document).ready(function(){
- //自定义一个验证方法
- $.validator.addMethod(
- "formula", //验证方法名称
- function(value, element, param) {//验证规则
- return value == eval(param);
- },
- '请正确输入数学公式计算后的结果'//验证提示信息
- );
- $("#commentForm").validate({
- rules: {
- username: {
- required: true,
- minlength: 2
- },
- email: {
- required: true,
- email: true
- },
- url:"url",
- comment: "required",
- valcode: {
- formula: "7+9"
- }
- },
- messages: {
- username: {
- required: '请输入姓名',
- minlength: '请至少输入两个字符'
- },
- email: {
- required: '请输入电子邮件',
- email: '请检查电子邮件的格式'
- },
- url: '请检查网址的格式',
- comment: '请输入您的评论'
- },
- errorElement: "em", //用来创建错误提示信息标签
- success: function(label) { //验证成功后的执行的回调函数
- //label指向上面那个错误提示信息标签em
- label.text(" ") //清空错误提示消息
- .addClass("success"); //加上自定义的success类
- }
- });
- });
- </script>
Form
简单地提交表单
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html>
- <head>
- <title>demo1.html</title>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
- <script src="../../scripts/jquery.js" type="text/javascript"></script>
- <script src="lib/jquery.form.js" type="text/javascript"></script>
- <script type="text/javascript">
- $(document).ready(function() {
- $('#myForm').ajaxForm(function() {
- $('#output1').html("提交成功!欢迎下次再来!").show();
- });
- });
- </script>
- </head>
- <body>
- <h3> Demo 1 : form插件的使用--ajaxForm(). </h3>
- <form id="myForm" action="demo.php" method="post">
- 名称: <input type="text" name="name" /> <br/>
- 地址: <input type="text" name="address" /><br/>
- 自我介绍: <textarea name="comment"></textarea> <br/>
- <input type="submit" id="test" value="提交" /> <br/>
- <div id="output1" style="display:none;"></div>
- </form>
- </body>
- </html>
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html>
- <head>
- <title></title>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
- <script src="../../scripts/jquery.js" type="text/javascript"></script>
- <script src="lib/jquery.form.js" type="text/javascript"></script>
- <script type="text/javascript">
- $(document).ready(function() {
- $('#test').click(function(){
- var queryString = $('#myForm').formSerialize();
- alert(queryString);
- // 组装的数据可以用于 $.get, $.post, $.ajax ...
- $.post('demo.php', queryString ,function(data){
- $('#output1').html("提交成功!欢迎下次再来!").show();
- });
- return false;
- })
- //demo2
- $('#test2').click(function(){
- var queryString = $('#myForm2 *').fieldValue();
- alert(queryString);
- return false;
- })
- //重置表单
- $('#test3').click(function(){
- $('#myForm').resetForm();
- $('#myForm2').resetForm();
- })
- //清除表单
- $('#test4').click(function(){
- $('#myForm').clearForm();
- $('#myForm2').clearForm();
- })
- });
- </script>
- </head>
- <body>
- <h3> Demo 3 : form插件的使用--formSerialize()组装表单数据,用于jQuery中的.ajax(). </h3>
- <!-- demo1 -->
- <form id="myForm" action="demo.php" method="post">
- 名称: <input type="text" name="name" /> <br/>
- 地址: <input type="text" name="address" /><br/>
- 自我介绍: <textarea name="comment"></textarea> <br/>
- <input type="submit" id="test" value="提交" /> <br/>
- <div id="output1" style="display:none;"></div>
- </form>
- <br/><br/><br/>
- <!-- demo2 -->
- <form id="myForm2" action="demo.php" method="post">
- 名称: <input type="text" name="name2" class="special"/> <br/>
- 地址: <input type="text" name="address2" /><br/>
- 自我介绍: <textarea name="comment2" class="special"></textarea> <br/>
- 单选:男<input type="radio" name="a" value="男" checked/>
- 女<input type="radio" name="a" value="女"/><br/>
- <input type="submit" id="test2" value="提交" /> <br/>
- </form>
- <br/><br/><br/>
- <input type="button" id="test3" value="重置所有表单" /> <br/>
- <input type="button" id="test4" value="清除所有表单" /> (提示:发现单选框以前选中的,也被清除了,跟重置有点区别!)<br/>
- </body>
- </html>
- // json
- $(document).ready(function() {
- $('#myForm').ajaxForm({
- // 声明 服务器返回数据的类型.
- dataType: 'json',
- success: processJson
- });
- });
- function processJson(data) {
- // 'data'是一个json对象,从服务器返回的.
- $('#jsonOut').html(data.name + " "+data.address + " "+data.comment);
- }
- // xml
- $(document).ready(function() {
- $('#xmlForm').ajaxForm({
- // 声明 服务器返回数据的类型.
- dataType: 'xml',
- success: processXml
- });
- });
- function processXml(responseXML) {
- // 'responseXML' 是一个XML的文档 ,从服务器返回的.
- var name = $('name', responseXML).text();
- var address = $('address', responseXML).text();
- var comment = $('comment', responseXML).text();
- $('#xmlOut').html(name + " "+address + " "+comment);
- }
- // html
- $(document).ready(function() {
- $('#htmlForm').ajaxForm({
- // 用服务器返回的数据 更新 id为 htmlcssrain 的内容.
- target: '#htmlOut',
- success: function() {
- $('#htmlOut').fadeIn('slow');
- }
- });
- });
SimpleModal
- <!DOCTYPE html>
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <title>SimpleModal Basic Modal Dialog </title>
- <!-- Page styles -->
- <link type='text/css' href='css/demo.css' rel='stylesheet' />
- <!-- Contact Form CSS files -->
- <link type='text/css' href='css/basic.css' rel='stylesheet' />
- <link type='text/css' href='css/box.css' rel='stylesheet' />
- </head>
- <body>
- <div id='container'>
- <div id='logo'>
- <h1>Simple<span><a href="http://www.ericmmartin.com/projects/simplemodal-demos/">Modal</a></span></h1>
- <span class='title'>一个简单的遮罩层,可以制作提示框,对话框,弹出层,弹出iframe等...</span>
- </div>
- <div id='content'>
- <div id='basic-modal'>
- <p>提示框-ok:<input type='button' name='basic' value='Demo' class='open-basic-dialog-ok'/> or <a href='#' class='open-basic-dialog-ok'>Demo</a></p>
- <p>提示框-warn:<input type='button' name='basic' value='Demo' class='open-basic-dialog-warn'/> or <a href='#' class='open-basic-dialog-warn'>Demo</a></p>
- <p>弹出iframe:<input type='button' name='basic' value='Demo' class='open-basic-ifr'/> or <a href='#' class='open-basic-ifr'>Demo</a></p>
- </div>
- </div>
- <!-- 弹出内容 -->
- <div id="basic-dialog-ok">
- <!-- 普通弹出层 [[ -->
- <div class="box-title show"><h2>提示</h2></div>
- <div class="box-main">
- <div class="tips">
- <span class="tips-ico">
- <span class="ico-ok"><!-- 图标class可以为: ico-ok , ico-error , ico-info , ico-question , ico-warn , ico-wait --></span>
- </span>
- <div class="tips-content">
- <div class="tips-title">申请成功,我们将短信通知您!</div>
- <div class="tips-line"></div>
- </div>
- </div>
- <div class="box-buttons"><button type="button" class="simplemodal-close">关 闭</button></div>
- </div>
- <!-- 普通弹出层 ]] -->
- </div>
- <div id="basic-dialog-warn">
- <!-- 普通弹出层 [[ -->
- <div class="box-title show"><h2>提示</h2></div>
- <div class="box-main">
- <div class="tips">
- <span class="tips-ico">
- <span class="ico-warn"><!-- 图标 --></span>
- </span>
- <div class="tips-content">
- <div class="tips-title">系统繁忙,请稍候重试</div>
- <div class="tips-line"></div>
- </div>
- </div>
- <div class="box-buttons"><button type="button" class="simplemodal-close">关 闭</button></div>
- </div>
- <!-- 普通弹出层 ]] -->
- </div>
- <div id="ifr-dialog" >
- <!-- iframe弹出层 [[ -->
- <iframe frameborder="0" scrolling="no" id="ifr-dialog-container" src="javascript:;" class="box-iframe"></iframe>
- <!-- iframe弹出层 ]] -->
- </div>
- </div>
- <!-- Load jQuery, SimpleModal and Basic JS files -->
- <script type="text/javascript" src="../../scripts/jquery.js" ></script>
- <script type='text/javascript' src='js/jquery.simplemodal.js'></script>
- <script >
- jQuery(function ($) {
- /* 提示框 */
- $('.open-basic-dialog-ok').click(function (e) {
- $('#basic-dialog-ok').modal();
- return false;
- });
- $('.open-basic-dialog-warn').click(function (e) {
- $('#basic-dialog-warn').modal();
- return false;
- });
- $('.open-basic-ifr').click(function (e) {
- showIframe("http://www.baidu.com","ifr-dialog-content");
- return false;
- });
- });
- /* eg:showIframe */
- function showIframe(src , id ){
- $("#ifr-dialog-container").attr("src",src);
- $('#ifr-dialog').modal({opacity:30,"overlayClose":true,"containerId":id });
- }
- </script>
- </body>
- </html>
Cookie插件
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head>
- <title></title>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <script src="../../scripts/jquery.js" type="text/javascript"></script>
- <script src="js/jquery.cookie.js" type="text/javascript"></script>
- <script type="text/javascript">
- $(function() {
- var COOKIE_NAME = 'username';
- if( $.cookie(COOKIE_NAME) ){
- $("#username").val( $.cookie(COOKIE_NAME) );
- }
- $("#check").click(function(){
- if(this.checked){
- $.cookie(COOKIE_NAME, $("#username").val() , { path: '/', expires: 10 });
- }else{
- $.cookie(COOKIE_NAME, null, { path: '/' });
- }
- });
- });
- </script>
- </head>
- <body>
- 用户名:<input type="text" name="username" id="username"/> <br/>
- <input type="checkbox" name="check" id="check"/>记住用户名
- </body>
- </html>
删除Cookie.
- $.cookie('the_cookie',null);
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