jquery ui中的dialog
听说jquery ui中dialog和easy ui中的dialog很像,因为没有用过easy ui,但在工作中有用到jquery ui中dialog,于是从官网上将例子看了下,并记录如下。
实例一
这是一个很简单的应用,打开一个对话框。
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI Dialog - Default functionality</title> <link rel="stylesheet" href="jquery-ui.css"> <script src="jquery-1.10.2.js"></script> <script src="jquery-ui.js"></script> <link rel="stylesheet" href="style.css"> <script> $(function() { $( "#dialog" ).dialog(); }); </script> </head> <body> <div id="dialog" title="Basic dialog"> <p>This is the default dialog which is useful for displaying information. The dialog window can be moved, resized and closed with the 'x' icon.</p> </div> </body> </html>代码$( "#dialog" ).dialog();加载页面的时候弹出一个对话框。效果如下:
实例二
点击按钮,弹出带动画功能的对话框,定义显示和影藏效果,effect: "blind":打开时时百叶窗效果,从上到下显示,effect: "explode"关闭时是爆发,碎片效果。
这里不是页面加载的时候就显示对话框,而是点击添加账号的时候弹出这个对话框,所以要先定义这个对话框“$( "#dialog" ).dialog({,”,点击添加按钮的时候弹出对话框“dialog.dialog( "open" );”。
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI Dialog - Animation</title> <link rel="stylesheet" href="jquery-ui.css"> <script src="jquery-1.10.2.js"></script> <script src="jquery-ui.js"></script> <link rel="stylesheet" href="style.css"> <script> $(function() { $( "#dialog" ).dialog({ autoOpen: false, show: { effect: "blind", duration: 1000 }, hide: { effect: "explode", duration: 1000 } }); $( "#opener" ).click(function() { $( "#dialog" ).dialog( "open" ); }); }); </script> </head> <body> <div id="dialog" title="Basic dialog"> <p>This is an animated dialog which is useful for displaying information. The dialog window can be moved, resized and closed with the 'x' icon.</p> </div> <button id="opener">Open Dialog</button> </body> </html>
运行效果:
实例三
作用是弹出一个模态确认对话框,mode:true,不能操作后面的父页面,除非关闭当前的对话框。在对话框上加了两个按钮,一个确认,一个取消,可以分别做一些操作,其实也不限于这两个按钮,如果需要的话可以在下面添加任意多个按钮,实现任意多的功能。
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI Dialog - Modal confirmation</title> <link rel="stylesheet" href="jquery-ui.css"> <script src="jquery-1.10.2.js"></script> <script src="jquery-ui.js"></script> <link rel="stylesheet" href="style.css"> <script> $(function() { $( "#dialog-confirm" ).dialog({ resizable: false, height:140, modal: true, buttons: { "Delete all items": function() { $( this ).dialog( "close" ); }, Cancel: function() { $( this ).dialog( "close" ); } } }); }); </script> </head> <body> <div id="dialog-confirm" title="Empty the recycle bin?"> <p><span class="ui-icon ui-icon-alert" style="float:left; margin:0 7px 20px 0;"></span>These items will be permanently deleted and cannot be recovered. Are you sure?</p> </div> <p>Sed vel diam id libero <a href="http://example.com">rutrum convallis</a>. Donec aliquet leo vel magna. Phasellus rhoncus faucibus ante. Etiam bibendum, enim faucibus aliquet rhoncus, arcu felis ultricies neque, sit amet auctor elit eros a lectus.</p> </body> </html>
运行效果:
实例四
带form功能的对话框,这个例子有些复杂,可以实现验证,请求等功能。
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI Dialog - Modal form</title> <link rel="stylesheet" href="jquery-ui.css"> <script src="jquery-1.10.2.js"></script> <script src="jquery-ui.js"></script> <link rel="stylesheet" href="style.css"> <style> body { font-size: 62.5%; } label, input { display:block; } input.text { margin-bottom:12px; width:95%; padding: .4em; } fieldset { padding:0; border:0; margin-top:25px; } h1 { font-size: 1.2em; margin: .6em 0; } div#users-contain { width: 350px; margin: 20px 0; } div#users-contain table { margin: 1em 0; border-collapse: collapse; width: 100%; } div#users-contain table td, div#users-contain table th { border: 1px solid #eee; padding: .6em 10px; text-align: left; } .ui-dialog .ui-state-error { padding: .3em; } .validateTips { border: 1px solid transparent; padding: 0.3em; } </style> <script> $(function() { var dialog, form, // From http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#e-mail-state-%28type=email%29 emailRegex = /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/, name = $( "#name" ), email = $( "#email" ), password = $( "#password" ), allFields = $( [] ).add( name ).add( email ).add( password ), tips = $( ".validateTips" ); function updateTips( t ) { tips .text( t ) .addClass( "ui-state-highlight" ); setTimeout(function() { tips.removeClass( "ui-state-highlight", 1500 ); }, 500 ); } function checkLength( o, n, min, max ) { if ( o.val().length > max || o.val().length < min ) { o.addClass( "ui-state-error" ); updateTips( "Length of " + n + " must be between " + min + " and " + max + "." ); return false; } else { return true; } } function checkRegexp( o, regexp, n ) { if ( !( regexp.test( o.val() ) ) ) { o.addClass( "ui-state-error" ); updateTips( n ); return false; } else { return true; } } function addUser() { var valid = true; allFields.removeClass( "ui-state-error" ); valid = valid && checkLength( name, "username", 3, 16 ); valid = valid && checkLength( email, "email", 6, 80 ); valid = valid && checkLength( password, "password", 5, 16 ); valid = valid && checkRegexp( name, /^[a-z]([0-9a-z_\s])+$/i, "Username may consist of a-z, 0-9, underscores, spaces and must begin with a letter." ); valid = valid && checkRegexp( email, emailRegex, "eg. ui@jquery.com" ); valid = valid && checkRegexp( password, /^([0-9a-zA-Z])+$/, "Password field only allow : a-z 0-9" ); if ( valid ) { $( "#users tbody" ).append( "<tr>" + "<td>" + name.val() + "</td>" + "<td>" + email.val() + "</td>" + "<td>" + password.val() + "</td>" + "</tr>" ); dialog.dialog( "close" ); } return valid; } dialog = $( "#dialog-form" ).dialog({ autoOpen: false, height: 300, width: 350, modal: true, buttons: { "Create an account": addUser, Cancel: function() { dialog.dialog( "close" ); } }, close: function() { form[ 0 ].reset(); allFields.removeClass( "ui-state-error" ); } }); form = dialog.find( "form" ).on( "submit", function( event ) { event.preventDefault(); addUser(); }); $( "#create-user" ).button().on( "click", function() { dialog.dialog( "open" ); }); }); </script> </head> <body> <div id="dialog-form" title="Create new user"> <p class="validateTips">All form fields are required.</p> <form> <fieldset> <label for="name">Name</label> <input type="text" name="name" id="name" value="Jane Smith" class="text ui-widget-content ui-corner-all"> <label for="email">Email</label> <input type="text" name="email" id="email" value="jane@smith.com" class="text ui-widget-content ui-corner-all"> <label for="password">Password</label> <input type="password" name="password" id="password" value="xxxxxxx" class="text ui-widget-content ui-corner-all"> <!-- Allow form submission with keyboard without duplicating the dialog button --> <input type="submit" tabindex="-1" style="position:absolute; top:-1000px"> </fieldset> </form> </div> <div id="users-contain" class="ui-widget"> <h1>Existing Users:</h1> <table id="users" class="ui-widget ui-widget-content"> <thead> <tr class="ui-widget-header "> <th>Name</th> <th>Email</th> <th>Password</th> </tr> </thead> <tbody> <tr> <td>John Doe</td> <td>john.doe@example.com</td> <td>johndoe1</td> </tr> </tbody> </table> </div> <button id="create-user">Create new user</button> </body> </html>
运行效果:
点击添加用户弹出对话框
元素验证失败时
这个带请求功能的对话框,代码很严谨,例子很经典!
var dialog, form, emailRegex = /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/, name = $( "#name" ), email = $( "#email" ), password = $( "#password" ), allFields = $( [] ).add( name ).add( email ).add( password ), tips = $( ".validateTips" );
定义元素变量,要用到的验证,allFields = $( [] ).add( name ).add( email ).add( password ),这个用来把要用到的变量加到集合里面,用来添加和删除css样式,后面会用到的,很巧妙,$( [] )这个写法可以把多个元素添加到一个集合中。
function updateTips( t ) { tips .text( t ) .addClass( "ui-state-highlight" ); setTimeout(function() { tips.removeClass( "ui-state-highlight", 1500 ); }, 500 ); }
给元素添加文字和css样式,并且在500毫秒内移除这个样式。
function checkLength( o, n, min, max ) { if ( o.val().length > max || o.val().length < min ) { o.addClass( "ui-state-error" ); updateTips( "Length of " + n + " must be between " + min + " and " + max + "." ); return false; } else { return true; } }
检查输入文字的长短,4个参数分别是元素本身,元素名称,最小长度,最大长度。
function checkRegexp( o, regexp, n ) { if ( !( regexp.test( o.val() ) ) ) { o.addClass( "ui-state-error" ); updateTips( n ); return false; } else { return true; } }
用正则表达式检查元素是否符合规则,3个参数,元素本身,正则表达式,错误提示。
function addUser() { var valid = true; allFields.removeClass( "ui-state-error" ); valid = valid && checkLength( name, "username", 3, 16 ); valid = valid && checkLength( email, "email", 6, 80 ); valid = valid && checkLength( password, "password", 5, 16 ); valid = valid && checkRegexp( name, /^[a-z]([0-9a-z_\s])+$/i, "Username may consist of a-z, 0-9, underscores, spaces and must begin with a letter." ); valid = valid && checkRegexp( email, emailRegex, "eg. ui@jquery.com" ); valid = valid && checkRegexp( password, /^([0-9a-zA-Z])+$/, "Password field only allow : a-z 0-9" ); if ( valid ) { $( "#users tbody" ).append( "<tr>" + "<td>" + name.val() + "</td>" + "<td>" + email.val() + "</td>" + "<td>" + password.val() + "</td>" + "</tr>" ); dialog.dialog( "close" ); } return valid; }
添加用户的方法,验证方法valid = valid && 这个用的很巧妙,连续利用了&&操作,这里的写法非常的灵活也很巧妙。在这里可以实现具体的功能,也可以在form里面添加action,form到具体页面中操作。
dialog = $( "#dialog-form" ).dialog({ autoOpen: false, height: 300, width: 350, modal: true, buttons: { "Create an account": addUser, Cancel: function() { dialog.dialog( "close" ); } }, close: function() { form[ 0 ].reset(); allFields.removeClass( "ui-state-error" ); } });
这里是最主要的功能,一个定义一个对话框,其中有个2个按钮,一个是添加一个账号,访问addUser函数,一个是取消,直接定义关闭对话框,最后还定义了默认的关闭功能,form中清除元素的值,清除错误提示。
form = dialog.find( "form" ).on( "submit", function( event ) { event.preventDefault(); addUser(); });
定义form,其实就是页面中的form,还定义了提交时请求动作,首先取消默认事件,然后执行addUser。
$( "#create-user" ).button().on( "click", function() { dialog.dialog( "open" ); });
给添加用户按钮绑定事件,这里绑定事件没有直接.click,也没有live,也没有trigger,on是jquery官方推荐的一个绑定函数方法。注意这里不是页面加载的时候就显示对话框,而是点击添加账号的时候弹出这个对话框,所以要先定义这个对话框“dialog = $( "#dialog-form" ).dialog({”,点击添加按钮的时候弹出对话框“dialog.dialog( "open" );”。
实例五
模态对话框,作用是弹出一个模态对话框,mode:true,其实就是后面不能回到后面的父页面,除非关闭当前的对话框。在对话框后面加了一个OK关闭按钮。
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI Dialog - Modal message</title> <link rel="stylesheet" href="jquery-ui.css"> <script src="jquery-1.10.2.js"></script> <script src="jquery-ui.js"></script> <link rel="stylesheet" href="style.css"> <script> $(function() { $( "#dialog-message" ).dialog({ modal: true, buttons: { Ok: function() { $( this ).dialog( "close" ); } } }); }); </script> </head> <body> <div id="dialog-message" title="Download complete"> <p> <span class="ui-icon ui-icon-circle-check" style="float:left; margin:0 7px 50px 0;"></span> Your files have downloaded successfully into the My Downloads folder. </p> <p> Currently using <b>36% of your storage space</b>. </p> </div> <p>Sed vel diam id libero <a href="http://example.com">rutrum convallis</a>. Donec aliquet leo vel magna. Phasellus rhoncus faucibus ante. Etiam bibendum, enim faucibus aliquet rhoncus, arcu felis ultricies neque, sit amet auctor elit eros a lectus.</p> </body> </html>运行效果: