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table的列固定
<body onload="showFix(true,false,initTableId);">
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="Generator" content="EditPlus?"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>Document</title> <style type="text/css"> body{ margin:0px; } table{ width:auto; margin:0px; font:Georgia 11px; color:#333333; text-align:center; border-collapse:collapse; } table td{ border:1px solid #f00; width:100px; height:30px; padding:15px; } </style> <script> var initLeft; var initTop; var isFixColumn = false; var isFixRow = false; /** * added by 王伟 20160612 * param: * isFixC: 是否固定列 true/false * isFixR: 是否固定行 true/false * initTableId: 原始表ID */ function showFix(isFixC,isFixR,initTableId){ //是否显示固定列或者固定行 isFixColumn = isFixC; isFixRow = isFixR; if(checkScrollBar(‘h‘)){ document.getElementById("fixedColumnDiv").style.display="block"; } if(checkScrollBar(‘y‘)){ document.getElementById("fixedRowDiv").style.display="block"; } //获取原始表的具体位置 var initTable = document.getElementById(initTableId); initLeft = getPosition(initTable,‘left‘); initTop = getPosition(initTable,‘top‘); //如果div和table 之间有margin,则减去响应数值 if(checkScrollBar(‘h‘)){ var fixedColumnDiv = document.getElementById("fixedColumnDiv"); fixedColumnDiv.style.position=‘absolute‘; fixedColumnDiv.style.left = initLeft; fixedColumnDiv.style.top = initTop; } if(checkScrollBar(‘y‘)){ var fixedRowDiv = document.getElementById("fixedRowDiv"); fixedRowDiv.style.position=‘absolute‘; fixedRowDiv.style.left = initLeft; fixedRowDiv.style.top = initTop; } } /** * 滚动时重新设置div层的位置 */ window.onscroll = function(){ if(checkScrollBar(‘h‘)){ var scrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft; var fixedColumnDiv = document.getElementById("fixedColumnDiv"); fixedColumnDiv.style.position=‘absolute‘; fixedColumnDiv.style.left = (initLeft+scrollLeft)+‘px‘; fixedColumnDiv.style.top = initTop+‘px‘; } if(checkScrollBar(‘y‘)){ var scrollTop = document.documentElement.scrollTop || document.body.scrollTop; var fixedRowDiv = document.getElementById("fixedRowDiv"); fixedRowDiv.style.position=‘absolute‘; fixedRowDiv.style.left = initLeft+‘px‘; fixedRowDiv.style.top = (initTop+scrollTop)+‘px‘; } } /** * 获取元素的位置偏移量信息 * param: * left:获取左偏移量 * top: 获取上偏移量 */ function getPosition(obj,type){ var topValue= http://www.mamicode.com/0,leftValue= 0; "," + topValue; if(type == ‘left‘){ return leftValue; }else if(type == ‘top‘){ return topValue; }else { return 0; } } /** * 获取是否有滚动条 * param: h: 判断是否有横向滚动条,y:判断是否有竖向滚动条 * return:boolean, true:有,false:无 */ function checkScrollBar(type){ //判断是否有滚动条,有滚动条才显示固定列层 var visuals = getPageSize(‘visual‘); var reals = getPageSize(‘real‘); if(type == ‘h‘ && isFixColumn){ if(document.body.style.overflow!="hidden" && document.body.scroll!="no" && reals[1] > visuals[1]) { return true; }else{ return false; } } if(type == ‘y‘ && isFixRow){ if(document.body.style.overflow!="hidden" && document.body.scroll!="no" && reals[0] > visuals[0]) { return true; }else{ return false; } } return false; } /** * 浏览器兼容的获取网页实际内容大小 * param: type 获取大小类型(visual或real) * 参数值说明: visual: 获取网页课件区域高宽,real:网页内容真实宽高 */ function getPageSize(type) { //检测浏览器的渲染模式 var body = (document.compatMode&&document.compatMode.toLowerCase() == "css1compat")?document.documentElement:document.body; var bodyOffsetWidth = 0; var bodyOffsetHeight = 0; var bodyScrollWidth = 0; var bodyScrollHeight = 0; var pageDimensions = [0, 0]; pageDimensions[0] = body.clientHeight; pageDimensions[1] = body.clientWidth; if(type == ‘visual‘){ return pageDimensions; } bodyOffsetWidth = body.offsetWidth; bodyOffsetHeight = body.offsetHeight; bodyScrollWidth = body.scrollWidth; bodyScrollHeight = body.scrollHeight; if (bodyOffsetHeight > pageDimensions[0]) { pageDimensions[0] = bodyOffsetHeight; } if (bodyOffsetWidth > pageDimensions[1]) { pageDimensions[1] = bodyOffsetWidth; } if (bodyScrollHeight > pageDimensions[0]) { pageDimensions[0] = bodyScrollHeight; } if (bodyScrollWidth > pageDimensions[1]) { pageDimensions[1] = bodyScrollWidth; } return pageDimensions; } </script> </head> <body onl oad="showFix(true,false,‘initTable‘);"> <table id="initTable"> <tr> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> <tr> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> <tr> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> <tr> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> <tr> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> <tr> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> <tr> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> <tr> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> </table> <!-- 复制的固定头两列 --> <div id="fixedColumnDiv" align="center" style="width:100px;position:Fixed;display:none;"> <table> <tr bgcolor="red"><td>111</td><td>222</td></tr> <tr bgcolor="red"><td>111</td><td>222</td></tr> <tr bgcolor="red"><td>111</td><td>222</td></tr> <tr bgcolor="red"><td>111</td><td>222</td></tr> <tr bgcolor="red"><td>111</td><td>222</td></tr> <tr bgcolor="red"><td>111</td><td>222</td></tr> <tr bgcolor="red"><td>111</td><td>222</td></tr> <tr bgcolor="red"><td>111</td><td>222</td></tr> </table> </div> <!-- 复制的固定头一行 --> <div id="fixedRowDiv" align="center" style="height:auto;position:Fixed;display:none;"> <table> <tr bgcolor="blue"> <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td> <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td> <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td> <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td> </tr> </table> </div> </body> </html>
table的列固定
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