jQuery弹框插件 jQuery弹框插件使用方法详解

时间:2021-04-22 saluteNic_LU 人气:0

要点：

1、匿名函数包裹器（可搜索一下）
2、面向对象的编程
3、插件的要素（扩展jQuery本身的方法，$.extend ；给jQuery对象添加方法，对jQuery.prototype进行扩展；添加一个函数到jQuery.fn（jQuery.prototype）对象，该函数的名称就是你的插件名称）
4、代码部分：注意html中 a 标签的内容， js中格式的注意， css的话嫌麻烦你可以自己定义
5、优点：引用插件后，标签书写正确，无须再调用插件名可直接显示弹框

<!DOCTYPE html>
<html>

 <head>
 <meta charset="UTF-8" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
 <title>用户管理-员工管理</title>
 <!-- <link rel="stylesheet" href="../css/main-style.css" >
 <link rel="stylesheet" href="../css/part-style.css" >
  <style type="text/css">

 .input-new-content>.input-list>select{
 width: 380px;
 height: 45px;
 border: 1px solid #ddd;
 border-radius: 5px;
 margin-top: 13px;
 text-indent: 10px;
 }

 </style> -->
 </head>

 <body>

 <!-- container-part -->
 <div id="container-part">

 <!-- part-display-content -->
 <div id="display-content">
   <a href="#changeable-box" type="open">click me</a>
 </div>

 </div>


 <div id="changeable-box" style="display: none">
 <div class="change-password-content">
 <div class="title-to-change">
  <p>标题</p>
  <a class="close-this-content" href="#changeable-box" type="close"></a>
 </div>
 <div class="input-new-content">
   <div class="input-list">
  <select class="" name="">
  <option value=""></option>
  </select>
  </div>
  <div class="input-list">
  <input type="text" name="" value="">
  </div>
  <div class="input-list">
  <input type="text" name="" value="" placeholder="确认密码">
  </div>
 </div>
 <div class="choose-newPassword-status">
  <a class="save-newPassword" href="#changeable-box" type="close">保存</a>
  <a class="cancel-changePassword" href="#changeable-box" type="close">取消</a>
 </div>
 </div>
 </div>

 <!-- <script type="text/javascript" src="../js/jquery-1.11.1.min.js"></script> jquery引用-->
 <script type="text/javascript">
 ;(function($ , window , document , undefined){
 $.jModal = function(ele , opt) {
  var target;
  this.$body = $('body');
  this.options = $.extend({} , $.jModal.defaults , opt);
  this.blocker = $('<div class="shadowblock"></div>');
  target = ele.attr('href');
  this.$elm = $(target)
  if (ele.attr('type') == 'open') {
  this.open();
  }
  else if (ele.attr('type') == 'close'){
  this.hide();
  }
  else {
  return false
  }
 }

 $.jModal.prototype = {

 open: function(){
  this.$elm.css({
  position: 'fixed',
  width: '440px',
  height: 'auto',
  fontSize: 'var(--base-font-size)',
  color: '#515355',
  background: '#fff',
  boxShadow: '0 0 2px 1px #eee',
  top: '50%',
  left: '50%',
  transform: 'translate(-50% , -50%)',
  zIndex: 3
  });

  if (this.options.showSpinner) {
  this.showSpinner()
  }
  this.show()
 },

 // 遮罩显示
 showSpinner: function() {
  this.blocker.css({
  position: 'fixed',
  width: '9999vw',
  height: '9999vh',
  left: 0,
  top: 0,
  background: '#000',
  opacity: .7,
  zIndex: 2,
  })
  this.$body.append(this.blocker);
 },

 // 弹框显示
 show: function() {
  this.$elm.show()
 },

 // 隐藏弹框 & 移除遮罩
 hide: function() {
  this.$elm.hide()
  $('.shadowblock').remove();
 }
 }

 $.jModal.defaults = {
 showSpinner: false ,
 }

 $.fn.jModal = function(options) {
 new $.jModal(this , options)
 return this
 }

 $(document).on('click' , 'a' , function(event){
 event.preventDefault()
 $(this).jModal()
 })
 })(jQuery , window , document)
 </script>
 </body>
</html>

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