小编给大家分享一下jQuery如何实现拖拽可编辑模块功能，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
先给大家展示下效果图：
具体实现代码如下所示：
index.html
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>iNettuts - Welcome!</title> <link href="inettuts.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="head"> <h2>iNettuts</h2> </div> <div id="columns"> <ul id="column1" class="column"> <li class="widget color-green" id="intro"> <div class="widget-head"> <h4>简介窗口</h4> </div> <div class="widget-content"> <p>如果你活着，早晚都会死；如果你死了，你就永远活着。</p> </div> </li> <li class="widget color-red"> <div class="widget-head"> <h4>窗口标题</h4> </div> <div class="widget-content"> <p>世界上本没有路，有了腿便有了路。</p> </div> </li> </ul> <ul id="column2" class="column"> <li class="widget color-blue"> <div class="widget-head"> <h4>窗口标题</h4> </div> <div class="widget-content"> <p>一个人只能全力以赴，等待命运去揭晓答案。</p> </div> </li> <li class="widget color-yellow" id="dingzh"> <div class="widget-head"> <h4>窗口标题</h4> </div> <div class="widget-content"> <p>望着沧茫大海,令我得到片刻解脱;不怀缅过去,也不展望未来。</p> </div> </li> </ul> <ul id="column3" class="column"> <li class="widget color-orange"> <div class="widget-head"> <h4>窗口标题</h4> </div> <div class="widget-content"> <p>就像这些樱花，每个生命都会凋零。每吸一口气，每喝一杯茶，每杀一个人都能体悟人生，这就是武士精神。</p> </div> </li> <li class="widget color-white"> <div class="widget-head"> <h4>窗口标题</h4> </div> <div class="widget-content"> <p>人应竭尽所能，然后听天由命。</p> </div> </li> </ul> </div> <script type="text/javascript" src="jquery-1.3.2.min.js"></script> <script type="text/javascript" src="jquery-ui-1.7.2.custom.min.js"></script> <script type="text/javascript" src="inettuts.js"></script> </body> </html>
inettuts.js
var iNettuts = {
jQuery : $,
settings : {
columns : '.column',
widgetSelector: '.widget',
handleSelector: '.widget-head',
contentSelector: '.widget-content',
widgetDefault : {
movable: true,
removable: true,
collapsible: true,
editable: true,
colorClasses : ['color-yellow', 'color-red', 'color-blue', 'color-white', 'color-orange', 'color-green']
},
widgetIndividual : {
//个别的模块
intro : {
movable: false,
removable: false,
collapsible: false,
editable: false
},
dingzh : {
movable: false,
removable: false,
collapsible: true
}
}
},
//初始化
init : function () {
this.attachStylesheet('inettuts.js.css');
this.addWidgetControls();
this.makeSortable();
},
getWidgetSettings : function (id) {
var $ = this.jQuery,
settings = this.settings;
//判断ID模块是否定义过
return (id&&settings.widgetIndividual[id]) ? $.extend({},settings.widgetDefault,settings.widgetIndividual[id]) : settings.widgetDefault;
},
//动态追加元素
addWidgetControls : function () {
var iNettuts = this,
$ = this.jQuery,
settings = this.settings;
//设置选择器环境
//默认情况下，选择器从文档根部对 DOM 进行搜索。不过，可以为 $() 设置可选的 context 参数。
//如果我们希望在一个 .column类属性 的对象中 中搜索一个.widget类属性的 元素，可以限定下面的搜索：
$(settings.widgetSelector, $(settings.columns)).each(function () {
//遍历匹配的结果
var thisWidgetSettings = iNettuts.getWidgetSettings(this.id);
//移除窗体元素
if (thisWidgetSettings.removable) {
$('<a href="#" class="remove">CLOSE</a>').mousedown(function (e) {
//阻止事件冒泡
e.stopPropagation();
}).click(function () {
if(confirm('这个小部件将被删除，确定吗?')) {
$(this).parents(settings.widgetSelector).animate({
opacity: 0
},function () {
$(this).wrap('<div/>').parent().slideUp(function () {
//删除
//remove() 方法移除被选元素，包括所有文本和子节点。
//该方法不会把匹配的元素从 jQuery 对象中删除，因而可以在将来再使用这些匹配的元素。
$(this).remove();
});
});
}
return false;
}).appendTo($(settings.handleSelector, this));
}
//编辑窗体元素
if (thisWidgetSettings.editable) {
$('<a href="#" class="edit">EDIT</a>').mousedown(function (e) {
e.stopPropagation();
}).toggle(function () {
$(this).css({backgroundPosition: '-66px 0', width: '55px'})
.parents(settings.widgetSelector)
.find('.edit-box').show().find('input').focus();
return false;
},function () {
$(this).css({backgroundPosition: '', width: ''})
.parents(settings.widgetSelector)
.find('.edit-box').hide();
return false;
}).appendTo($(settings.handleSelector,this));
$('<div class="edit-box" />')
.append('<ul><li class="item"><label>改变标题吗?</label><input value="' + $('h4',this).text() + '"/></li>')
.append((function(){
var colorList = '<li class="item"><label>可用的颜色:</label><ul class="colors">';
$(thisWidgetSettings.colorClasses).each(function () {
colorList += '<li class="' + this + '"/>';
});
return colorList + '</ul>';
})())
.append('</ul>')
.insertAfter($(settings.handleSelector,this));
}
//折叠
if (thisWidgetSettings.collapsible) {
$('<a href="#" class="collapse">COLLAPSE</a>').mousedown(function (e) {
e.stopPropagation();
}).toggle(function () {
$(this).css({backgroundPosition: '-38px 0'})
.parents(settings.widgetSelector)
.find(settings.contentSelector).hide();
return false;
},function () {
$(this).css({backgroundPosition: '-52px 0'})
.parents(settings.widgetSelector)
.find(settings.contentSelector).show();
return false;
}).prependTo($(settings.handleSelector,this));
}
});
$('.edit-box').each(function () {
$('input',this).keyup(function () {
$(this).parents(settings.widgetSelector).find('h4').text( $(this).val().length>20 ? $(this).val().substr(0,20)+'...' : $(this).val() );
});
$('ul.colors li',this).click(function () {
var colorStylePattern = /\bcolor-[\w]{1,}\b/,
thisWidgetColorClass = $(this).parents(settings.widgetSelector).attr('class').match(colorStylePattern)
if (thisWidgetColorClass) {
$(this).parents(settings.widgetSelector)
.removeClass(thisWidgetColorClass[0])
.addClass($(this).attr('class').match(colorStylePattern)[0]);
}
return false;
});
});
},
attachStylesheet : function (href) {
var $ = this.jQuery;
return $('<link href="' + href + '" rel="stylesheet" type="text/css" />').appendTo('head');
},
//排序窗体布局
makeSortable : function () {
var iNettuts = this,
$ = this.jQuery,
settings = this.settings,
$sortableItems = (function () {
var notSortable = '';
$(settings.widgetSelector,$(settings.columns)).each(function (i) {
//判断是否具有可移动属性
if (!iNettuts.getWidgetSettings(this.id).movable) {
if(!this.id) {
this.id = 'widget-no-id-' + i;
}
notSortable += '#' + this.id + ',';
}
});
return $('> li:not(' + notSortable + ')', settings.columns);
})();
$sortableItems.find(settings.handleSelector).css({
cursor: 'move'
}).mousedown(function (e) {
$sortableItems.css({width:''});
$(this).parent().css({
width: $(this).parent().width() + 'px'
});
}).mouseup(function () {
if(!$(this).parent().hasClass('dragging')) {
$(this).parent().css({width:''});
} else {
$(settings.columns).sortable('disable');
}
});
$(settings.columns).sortable({
items: $sortableItems,
connectWith: $(settings.columns),
handle: settings.handleSelector,
placeholder: 'widget-placeholder',
forcePlaceholderSize: true,
revert: 300,
delay: 100,
opacity: 0.8,
containment: 'document',
start: function (e,ui) {
$(ui.helper).addClass('dragging');
},
stop: function (e,ui) {
$(ui.item).css({width:''}).removeClass('dragging');
$(settings.columns).sortable('enable');
}
});
}
};iNettuts.init();inettuts.css
/* Reset */
body,img,p,h2,h3,h4,h5,h6,h7,ul,ol {margin:0; padding:0; list-style:none; border:none;}
/* End Reset */
body {font-size:0.8em; font-family:Arial,Verdana,Sans-Serif; background: #fff;}
a {color:white;}
/* Colors */
.color-yellow {background:#f2bc00;}
.color-red {background:#dd0000;}
.color-blue {background:#148ea4;}
.color-white {background:#dfdfdf;}
.color-orange {background:#f66e00;}
.color-green {background:#8dc100;}
.color-yellow h4,
.color-white h4,
.color-green h4
{color:#000;}
.color-red h4,
.color-blue h4,
.color-orange h4
{color:#FFF;}
/* End Colors */
/* Head section */
#head {
background: #fff url(img/head-bg.png) repeat-x;
height: 100px;
}
#head h2 {
line-height: 100px;
color: #FFF;
text-align: center;
background: url(img/inettuts.png) no-repeat center;
text-indent: -9999em
}
/* End Head Section */
/* Columns section */
#columns .column {
float: left;
width: 33.3%;
/* Min-height: */
min-height: 400px;
height: auto !important;
height: 400px;
}
#columns .column-dingzh {
float: left;
width: 33.3%;
/* Min-height: */
min-height: 400px;
height: auto !important;
height: 400px;
}
/* Column dividers (background-images) : */
#columns #column1 { background: url(img/column-bg-left.png) no-repeat right top; }
#columns #column3 { background: url(img/column-bg-right.png) no-repeat left top; }
#columns #column1 .widget { margin: 30px 35px 0 25px; }
#columns #column3 .widget { margin: 30px 25px 0 35px; }
#columns .widget {
margin: 30px 20px 0 20px;
padding: 2px;
-moz-border-radius: 4px;
-webkit-border-radius: 4px;
}
#columns .widget .widget-head {
color: #fff;
overflow: hidden;
width: 100%;
height: 30px;
line-height: 30px;
}
#columns .widget .widget-head h4 {
padding: 0 5px;
float: left;
}
#columns .widget .widget-content {
background: #333 url(img/widget-content-bg.png) repeat-x;
padding: 0 5px;
color: #DDD;
-moz-border-radius-bottomleft: 2px;
-moz-border-radius-bottomright: 2px;
-webkit-border-bottom-left-radius: 2px;
-webkit-border-bottom-right-radius: 2px;
line-height: 1.2em;
overflow: hidden;
}
#columns .widget .widget-content p {
padding: 0.8em 0;
border-bottom: 1px solid #666;
}
#columns .widget .widget-content img {
float: right;
margin: 10px;
border: 1px solid #FFF;
}
#columns .widget .widget-content pre {
padding: 0.5em 5px;
color: #EEE;
font-size: 12px;
}
#columns .widget .widget-content ul {
padding: 5px 0 5px 20px;
list-style: disc;
}
#columns .widget .widget-content ul li {padding: 3px 0;}
#columns .widget .widget-content ul.images {
padding: 7px 0 0 0;
list-style: none;
height: 1%;
}
#columns .widget .widget-content ul.images li {
display: inline;
float: left;
}
#columns .widget .widget-content ul.images img {
display: inline;
float: left;
margin: 0 0 7px 7px;
}
/* End Columns section */inettuts.js.css
/* JS-Enabled CSS */
.widget-head a.remove {
float: right;
display: inline;
background: url(img/buttons.gif) no-repeat -24px 0;
width: 14px;
height: 14px;
margin: 8px 4px 8px 0;
text-indent: -9999em;
outline: none;
}
.widget-head a.edit {
float: right;
display: inline;
background: url(img/buttons.gif) no-repeat;
width: 24px;
height: 14px;
text-indent: -9999em;
margin: 8px 4px 8px 4px;
outline: none;
}
.widget-head a.collapse {
float: left;
display: inline;
background: url(img/buttons.gif) no-repeat -52px 0;
width: 14px;
height: 14px;
text-indent: -9999em;
margin: 8px 0 8px 4px;
outline: none;
}
.widget-placeholder { border: 2px dashed #999;}
#column1 .widget-placeholder { margin: 30px 35px 0 25px; }
#column2 .widget-placeholder { margin: 30px 20px 0 20px; }
#column3 .widget-placeholder { margin: 30px 25px 0 35px; }
.edit-box {
overflow: hidden;
background: #333 url(img/widget-content-bg.png) repeat-x;
margin-bottom: 2px;
padding: 10px 0;
}
.edit-box li.item {
padding: 10px 0;
overflow: hidden;
float: left;
width: 100%;
clear: both;
}
.edit-box label {
float: left;
width: 30%;
color: #FFF;
padding: 0 0 0 10px;
}
.edit-box ul.colors li {
width: 20px;
height: 20px;
border: 1px solid #EEE;
float: left;
display: inline;
margin: 0 5px 0 0;
cursor: pointer;
}以上是“jQuery如何实现拖拽可编辑模块功能”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注亿速云行业资讯频道！
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