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jquery入门—数据删除与隔行变色以及图片预览
简介1、功能需求：表格中数据隔行变色、删除数据、全选删除、鼠标移动到图片时显示图片预览 2、示例代码如下： 复制代码 代码如下: 数据</div>
<div class="news_infos"><div id="MyContent"><STRONG>1、功能需求</STRONG>：表格中数据隔行变色、删除数据、全选删除、鼠标移动到图片时显示图片预览 <BR><STRONG>2、示例代码如下</STRONG>： <BR><U>复制代码</U> 代码如下: <BR><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <BR><HTML> <BR><HEAD> <BR><TITLE> 数据管理 </TITLE> <BR><META NAME="Generator" CONTENT="EditPlus"> <BR><META NAME="Author" CONTENT=""> <BR><META NAME="Keywords" CONTENT=""> <BR><META NAME="Description" CONTENT=""> <BR><script language="javascript" type="text/javascript" src="/UploadFiles/2021-04-02/jquery-1.8.3.min.js"></script> <BR><style type="text/css"> <BR>body{font-size:12px} <BR>table{width:360px;border-collapse:collapse} <BR>table tr th,td{border:solid 1px #666;text-align:center} <BR>table tr td img{border:solid 1px #ccc;padding:3px;width:42px;height:60px;cursor:hand} <BR>table tr td span{float:left;padding-left:12px} <BR>table tr th{background-color:#ccc;height:32px} <BR>.clsImg{position:absolute;border:solid 1px #ccc;padding:3px;width:85px;height:120px;background-color:#eee;display:none} <BR>.btn{border:#666 1px solid;padding:2px;width:50px;filter:progid;DXImageTransform.Microsoft.Gradient(GradientType=0,StartColorStr=#ffffff,EndColorStr=#ECE9DB);} <BR></style> <BR><script type="text/javascript"> <BR>$(function(){ <BR>/**隔行变色**/ <BR>$("table tr:nth-child(odd)").css("background-color","#eee"); <BR>/**全选复选框单击事件**/ <BR>$("#chkAll").click(function(){ <BR>if(this.checked){ <BR>$("table tr td input[type=checkbox]").attr("checked",true); <BR>}else{ <BR>$("table tr td input[type=checkbox]").attr("checked",false); <BR>} <BR>}); <BR>/**删除按钮单击事件**/ <BR>$("#btnDel").click(function(){ <BR>var intL = $("table tr td input:checked:not('#chkAll')").length; <BR>if(intL !=0){ <BR>$("table tr td input[type=checkbox]:not('#chkAll')"). each(function(index){ <BR>if(this.checked){ <BR>$("table tr[id="+this.value+"]").remove(); <BR>} <BR>}); <BR>} <BR>}); <BR>/**小图片鼠标移动事件**/ <BR>var x = 5; var y = 15; <BR>$("table tr td img").mousemove(function(e){ <BR>$("#imgTip").attr("src",this.src).css({"top":(e.pageY+y)+"px","left":(e.pageX+x)+"px"}).show(3000); <BR>}); <BR>/**小图片鼠标移出事件**/ <BR>$("table tr td img").mouseout(function(){ <BR>$("#imgTip").hide(); <BR>}); <BR>}); <BR></script> <BR></HEAD> <BR><BODY> <BR><table> <BR><tr> <BR><th>选项</th> <BR><th>编号</th> <BR><th>封面</th> <BR><th>购书人</th> <BR><th>性别</th> <BR><th>购书价</th> <BR></tr> <BR><tr id="0"> <BR><td><input id="Checkbox1" type="checkbox" value="0"/></td> <BR><td>1001</td> <BR><td><img src="/UploadFiles/2021-04-02/img03.jpg"><td>刘明明</td> <BR><td>女</td> <BR><td>37.80元</td> <BR></tr> <BR><tr id="1"> <BR><td><input id="Checkbox2" type="checkbox" value="1"/></td> <BR><td>1002</td> <BR><td><img src="/UploadFiles/2021-04-02/img04.jpg"><td>李小明</td> <BR><td>男</td> <BR><td>35.60元</td> <BR></tr> <BR><tr id="2"> <BR><td><input id="Checkbox3" type="checkbox" value="2"/></td> <BR><td>1003</td> <BR><td><img src="/UploadFiles/2021-04-02/img08.jpg"><td>张小星</td> <BR><td>女</td> <BR><td>45.60元</td> <BR></tr> <BR></table> <BR><table> <BR><tr> <BR><td style="text-align:left;height:28px"> <BR><span> <BR><input id="chkAll" type="checkbox"/>全选 <BR></span> <BR><span> <BR><input id="btnDel" type="button" value="删除" class="btn"/> <BR></span> <BR></td> <BR></tr> <BR></table> <BR><img id="imgTip" class="clsImg" src="/UploadFiles/2021-04-02/img03.gif"></BODY> <BR></HTML> <BR> <BR><STRONG>3、效果图预览</STRONG>： <BR><a href="javascript:;" onclick="showimg('/UploadFiles/2021-04-02/201317110822878.jpg');"><img src="/UploadFiles/2021-04-02/201317110822878.jpg" alt="jquery入门—数据删除与隔行变色以及图片预览" onmousewheel="return bbimg(this)" onload="javascript:resizepic(this)" border="0"/></a></div>
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