本篇使用Dialog 构造一个比较实用的对话框，它可以内嵌一个表单用来接受用户输入，每个输入框支持数据校验，部分使用正则表达式来检验。
<!doctype HTML> <html lang="en"> <head> <meta charset="utf-8" /> <title>jquery UI Demos</title> <link rel="stylesheet" href="themes/trontastic/jquery-ui.css" /> <script src="scripts/jquery-1.9.1.js"></script> <script src="scripts/jquery-ui-1.10.1.custom.js"></script> <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> <!-- ReSharper disable ExpressionIsAlwaysConst --> <script> $(function () { var 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; } } $("#dialog-form").dialog({ autoOpen: false, height: 300, width: 350, modal: true, buttons: { "Create an account": function () { var bValid = true; allFields.removeClass("ui-state-error"); bValid = bValid && checkLength(name, "username", 3, 16); bValid = bValid && checkLength(email, "email", 6, 80); bValid = bValid && checkLength(password, "password", 5, 16); bValid = bValid && checkRegexp(name, /^[a-z]([0-9a-z_])+$/i, "Username may consist of a-z, 0-9, " + "underscores, begin with a letter."); // From jquery.validate.js (by joern), // contributed by Scott Gonzalez: // Http://projects.scottsplayground.com/email_address_validation/ bValid = bValid && checkRegexp(email, /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i, "eg. ui@jquery.com"); bValid = bValid && checkRegexp(password, /^([0-9a-zA-Z])+$/, "Password field only allow : a-z 0-9"); if (bValid) { $("#users tbody").append("<tr>" + "<td>" + name.val() + "</td>" + "<td>" + email.val() + "</td>" + "<td>" + password.val() + "</td>" + "</tr>"); $(this).dialog("close"); } }, Cancel: function () { $(this).dialog("close"); } }, close: function () { allFields.val("").removeClass("ui-state-error"); } }); $("#create-user") .button() .click(function () { $("#dialog-form").dialog("open"); }); }); </script> <!-- ReSharper restore ExpressionIsAlwaysConst --> </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" class= "text ui-widget-content ui-corner-all" /> <label for="email">Email</label> <input type="text" name="email" id="email" value="" class="text ui-widget-content ui-corner-all" /> <label for="password">Password</label> <input type="password" name="password" id="password" value="" class="text ui-widget-content ui-corner-all" /> </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>
