JS implementation of click to move up and down LI row data example explanation-JS Tutorial-php.cn

本文实例讲述了JS实现点击上移下移LI行数据的方法。分享给大家供大家参考。具体如下：

这里演示JavaScript排序功能，点击按钮实现数据的上移和下称，一共有两组测试效果，上组采用箭头图标控制的方式，更美观，下组是直接使用文字，根据你的需要自行选择。myList为ul的id值，m为0显示文字，m为1显示图片，mO、mT为文字或图片内容。

演示效果如下图所示：

具体代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type"> <title>JS移动li行数据，点击上移下移</title> <style type="text/css"> * { padding:0; margin:0; } .content {width:500px;margin:20px auto;} #pCon {width:500px;list-style:none;} #pCon li {height:20px;display:block;border-bottom:1px #ccc solid;} #pCon li a{margin-left:5px;text-decoration:none;} #pCon li a:hover{cursor:hand;} .context {float:left;display:inline;} .control {float:right;display:inline;} .control img {width:50px;height:12px;overflow:hidden;float:left;display:inline;} hr {margin:30px auto;} #pCon1 {width:500px;list-style:none;} #pCon1 li {height:20px;display:block;border-bottom:1px #ccc solid;} #pCon1 li a{margin-left:5px;text-decoration:none;} #pCon1 li a:hover{cursor:hand;} </style> </head> <body> <p class="content"> <ul id="pCon"> <li><p class="context">点击右侧箭头上移下移A</p></li> <li><p class="context">点击右侧箭头上移下移B</p></li> <li><p class="context">点击右侧箭头上移下移C</p></li></ul> <hr/> <ul id="pCon1"> <li><p class="context">测试数据你相信么A</p></li> <li><p class="context">测试数据你相信么B</p></li> <li><p class="context">测试数据你相信么C</p></li> </ul> </p> <script> function moveSonU(tag,pc){ var tagPre=get_previoussibling(tag); var t=document.getElementById(pc); if(tagPre!=undefined){ t.insertBefore(tag,tagPre); } } function moveSonD(tag){ var tagNext=get_nextsibling(tag); if(tagNext!=undefined){ insertAfter(tag,tagNext); } } function get_previoussibling(n){ if(n.previousSibling!=null){ var x=n.previousSibling; while (x.nodeType!=1) { x=x.previousSibling; } return x; } } function get_nextsibling(n){ if(n.nextSibling!=null){ var x=n.nextSibling; while (x.nodeType!=1) { x=x.nextSibling; } return x; } } function insertAfter(newElement,targetElement){ var parent=targetElement.parentNode; if(parent.lastChild==targetElement){ parent.appendChild(newElement); }else{ parent.insertBefore(newElement,targetElement.nextSibling); } } function myOrder(myList,m,mO,mT){ //myList为ul的id值，m为0显示文字，m为1显示图片，mO、mT为文字或图片内容 var pCon=document.getElementById(myList); var pSon=pCon.getElementsByTagName("li"); for(i=0;i<pSon.length;i++){ var conTemp=document.createElement("p"); conTemp.setAttribute("class","control"); var clickUp=document.createElement("a"); var clickDown=document.createElement("a"); if(m==0){ var upCon=document.createTextNode(mO); var downCon=document.createTextNode(mT); }else{ var upCon=document.createElement("img"); var downCon=document.createElement("img"); upCon.setAttribute("src",mO); downCon.setAttribute("src",mT); } clickUp.appendChild(upCon); clickUp.setAttribute("href","#"); clickDown.appendChild(downCon); clickDown.setAttribute("href","#"); pSon[i].appendChild(conTemp); conTemp.appendChild(clickUp); conTemp.appendChild(clickDown); clickUp.onclick=function(){ moveSonU(this.parentNode.parentNode,myList); } clickDown.onclick=function(){ moveSonD(this.parentNode.parentNode); } } } myOrder("pCon",1,"http://files.jb51.net/file_images/article/201508/201585153341254.png?201575153424","http://files.jb51.net/file_images/article/201508/201585153353977.png?20157515349"); myOrder("pCon1",0,"上移","下移"); </script> </body> </html>

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