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增强动态增加Div效果


原来没有新建动作,分析代码后发现很容易增强~~

<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>测试的拖拽功能</title><style type="text/css">body, div { margin: 0; paading: 0; font-size: 12px; }body { width:100%; margin: 0 auto; }ul, li { margin: 0; padding: 0; list-style: none; }.clear { clear: both; width: 1px; height: 0px; line-height: 0px; font-size: 1px; }.drag_module_box { width: 600px; height: auto; margin: 25px 0 0 0; padding: 5px; border: 1px solid #f00; }.drag_module_box1 { width: 600px; height: auto; margin: 25px 0 0 0; padding: 5px; border: 1px solid #f00; }.drag_module_main { position: static; width: 600px; height: 80px; margin-bottom: 5px; border: 1px solid blue; background: #ccc; }.drag_module_maindash { position: absolute; width: 600px; height: 80px; margin-bottom: 5px; border: 1px dashed blue; background: #ececec; opacity: 0.7; }.drag_module_hide { width: 600px; height: 80px; margin-bottom: 5px; }.drag_module_dash { position: sta;tic; width: 600px; height: 80px; margin-bottom: 5px; border: 1px dashed #f00; };</style><script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script><script type="text/javascript">$(document).ready( function () { //来源:http://www.cnblogs.com/web-ed2/archive/2011/09/19/2181819.htmlvar range = { x: 0, y: 0 };//鼠标元素偏移量var lastPos = { x: 0, y: 0, x1: 0, y1: 0 }; //拖拽对象的四个坐标var tarPos = { x: 0, y: 0, x1: 0, y1: 0 }; //目标元素对象的坐标初始化var theDiv = null, move = false;//拖拽对象 拖拽状态var theDivId =0, theDivHeight = 0, theDivHalf = 0; tarFirstY = 0; //拖拽对象的索引、高度、的初始化。var tarDiv = null, tarFirst, tempDiv; //要插入的目标元素的对象, 临时的虚线对象 function loopbox(){ //循环初始化$(".drag_module_box").find(".drag_module_main").each(function(){ console.log( "find" );$(this).mousedown(function (event){//拖拽对象theDiv = $(this);//鼠标元素相对偏移量range.x = event.pageX - theDiv.offset().left;range.y = event.pageY - theDiv.offset().top;theDivId = theDiv.index();theDivHeight = theDiv.height();theDivHalf = theDivHeight/2;move = true;theDiv.attr("class","drag_module_maindash");// 创建新元素 插入拖拽元素之前的位置(虚线框)$("<div class="drag_module_dash"></div>").insertBefore(theDiv);});}); } loopbox();$(".drag_module_box").mousemove(function(event) { console.log( "mousemove" );if (!move) return false;lastPos.x = event.pageX - range.x;lastPos.y = event.pageY - range.y;lastPos.y1 = lastPos.y + theDivHeight;// 拖拽元素随鼠标移动theDiv.css({left: lastPos.x + "px",top: lastPos.y + "px"});// 拖拽元素随鼠标移动 查找插入目标元素var $main = $(".drag_module_main"); // 局部变量:按照重新排列过的顺序 再次获取 各个元素的坐标,tempDiv = $(".drag_module_dash"); //获得临时 虚线框的对象$main.each(function () {tarDiv = $(this);tarPos.x = tarDiv.offset().left;tarPos.y = tarDiv.offset().top;tarPos.y1 = tarPos.y + tarDiv.height()/2;tarFirst = $main.eq(0); // 获得第一个元素tarFirstY = tarFirst.offset().top + theDivHalf ; // 第一个元素对象的中心纵坐标//拖拽对象 移动到第一个位置if (lastPos.y <= tarFirstY) {tempDiv.insertBefore(tarFirst);}//判断要插入目标元素的 坐标后, 直接插入if (lastPos.y >= tarPos.y - theDivHalf && lastPos.y1 >= tarPos.y1 ) {tempDiv.insertAfter(tarDiv);}});}).mouseup(function(event) { console.log( "mouseup" ); if(theDiv==null) return false;theDiv.insertBefore(tempDiv); // 拖拽元素插入到 虚线div的位置上theDiv.attr("class", "drag_module_main"); //恢复对象的初始样式$(".drag_module_dash").remove(); // 删除新建的虚线divmove=false;});$("#drag_module_insert").click(function(){ $("#drag_module_box1").html($("#drag_module_box1").html()+$("#drag_module_box2").html()); loopbox();});$("#drag_module_seque").click(function(){ $(".drag_module_box").find(".drag_module_main").each(function(){ console.log($(this).attr("id")); });});});</script></head><body> <div class="drag_module_box" id="drag_module_box1"><div class="drag_module_main" id="main1">div1</div><div class="drag_module_main" id="main2">div2</div><div class="drag_module_main" id="main3">div3</div><div class="drag_module_main" id="main4">div4</div><div class="drag_module_main" id="main5">div5</div><div class="drag_module_main" id="main6">div6</div></div><div class="drag_module_box1" id="drag_module_box2"> <div class="drag_module_main" id="main_first">div7</div></div><input type="button" value="新建" id="drag_module_insert"/><input type="button" value="确定" id="drag_module_seque"/></body></html>