• 使用jQuery ui创建模态表单


    jQuery UI 是一个建立在 jQuery JavaScript 库上的小部件和交互库,可以使用它创建高度交互的 Web 应用程序。

    在web页面的开发过程中,在添加元素的时候需要用到弹出窗口添加元素,最简便的就是直接通过一个隐藏的form来提交,在表单显示的时候通过js设置使得页面变暗和不可选,但是这样做未免过于麻烦,所需要的js语句也特别冗长,因此使用jQuery ui所提供的模态表单则显得简洁不少:

    需要提到的是,jQueryui需要从 jQuery UI 网站上下载 jQuery UI 的副本:http://jqueryui.com/download/

    然后根据自己的选择下载相应的组件

    或者也可以通过jQueryUI的cdn来加载,不过在网速不佳的情况下有加载失败的可能性,下面是jQueryUI的cdn地址

    官网CDN:http://code.jquery.com/ui/1.12.1/

    大陆CDN加速:

    https://cdnjs.loli.net/ajax/libs/jqueryui/1.9.2/

    接着介绍模态表单的创建:

    <!doctype html>
    <html lang="en">
    <head>
      <meta charset="utf-8">
      <title>jQuery UI 对话框(Dialog) - 模态表单</title>
      <link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css">
      <script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
      <script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
      <link rel="stylesheet" href="jqueryui/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 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( "" + n + " 的长度必须在 " +
              min + "" + max + " 之间。" );
            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,
           350,
          modal: true,
          buttons: {
            "创建一个帐户": 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_])+$/i, "用户名必须由 a-z、0-9、下划线组成,且必须以字母开头。" );
              // From jquery.validate.js (by joern), contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
              bValid = bValid && checkRegexp( email, /^((([a-z]|d|[!#$%&'*+-/=?^_`{|}~]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])+(.([a-z]|d|[!#$%&'*+-/=?^_`{|}~]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])+)*)|((x22)((((x20|x09)*(x0dx0a))?(x20|x09)+)?(([x01-x08x0bx0cx0e-x1fx7f]|x21|[x23-x5b]|[x5d-x7e]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(\([x01-x09x0bx0cx0d-x7f]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))))*(((x20|x09)*(x0dx0a))?(x20|x09)+)?(x22)))@((([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).)+(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).?$/i, "eg. ui@jquery.com" );
              bValid = bValid && checkRegexp( password, /^([0-9a-zA-Z])+$/, "密码字段只允许: 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>
    </head>
    <body>
     
    <div id="dialog-form" title="创建新用户">
      <p class="validateTips">所有的表单字段都是必填的。</p>
     
      <form>
      <fieldset>
        <label for="name">名字</label>
        <input type="text" name="name" id="name" class="text ui-widget-content ui-corner-all">
        <label for="email">邮箱</label>
        <input type="text" name="email" id="email" value="" class="text ui-widget-content ui-corner-all">
        <label for="password">密码</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>已有的用户:</h1>
      <table id="users" class="ui-widget ui-widget-content">
        <thead>
          <tr class="ui-widget-header ">
            <th>名字</th>
            <th>邮箱</th>
            <th>密码</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">创建新用户</button>
     
     
    </body>
    </html>

    效果如下:

    点击创建新用户后,原页面变暗,按钮和元素不可选:

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  • 原文地址:https://www.cnblogs.com/hnulp/p/10018156.html
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