<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <style> body{ 100%; height:100%; position:fixed; margin:0; padding:0; } #content{ 1000px; height:150px; margin:0 auto; border:1px solid #ddd; margin-top:20px; overflow:auto; position:relative } #content>table,#content .table-fixed table{ 700px; border-collapse:collapse; table-layout:fixed; } .table-fixed table th,.table-fixed table th{ text-align:center; border:1px solid #ddd; } #content>table th{ 100px; } #content>table th,#content>table td{ text-align:center; border:1px solid #ddd; } </style> </head> <body> <div id="content"> <table class="otbl"> <thead> <tr> <th>固定列</th> <th>固定列</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> <th>1</th> </tr> </thead> <tbody> <tr> <td>固定列</td> <td>固定列</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> </tr> <tr> <td>固定列</td> <td>固定列</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> </tr> <tr> <td>固定列</td> <td>固定列</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> </tr> <tr> <td>固定列</td> <td>固定列</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> </tr> <tr> <td>固定列</td> <td>固定列</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> </tr> <tr> <td>固定列</td> <td>固定列</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> </tr> <tr> <td>固定列</td> <td>固定列</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td>1</td> </tr> </tbody> </table> </div> <script src="js/jquery-1.12.4.js"></script> <script> $(function(){ //固定表头 $("#content").css("position","relative"); $("#content").on('scroll',function(){ var el=$(this).find(".table-fixed"); //判断是否有el if(!el[0]){ $(this).append("<div class='table-fixed' style='position:absolute;top:0'><table style='table-layout:fixed'></table></div>"); var otbl=$(this).find(".otbl thead tr").children(); //创建，找到表格的第一行进行克隆 var $thead=$(this).find(".otbl thead").clone(); $thead.find("tr").children().each(function(idx,ele){ $(ele).each(function(i,e){ $(e).css("width",otbl.eq(idx).css("width")); $(e).css("height",otbl.eq(idx).css("height")); }) }) $(this).find('.table-fixed table').append($thead); }else{ //就设置top值 el.css("top",$(this)[0].scrollTop+"px") } }) }) </script> </body> </html>