<!DOCTYPE html> <html> <head> <meta charset="gbk"> <title>table</title> </head> <body> <table id="tb_3" cellspacing="0" cellpadding="2" width="100%" border="1"> <tbody> <tr align="center" bgcolor="#dcdcdc"> <td style="100px;">用户编号</td> <td>试用时间</td> <td>转正时间</td> <td>性别</td> <td>姓名拼音</td> <td>生日时间</td> <td>民族</td> <td>身高</td> </tr> <tr> <td>2000001</td> <td>1997-3-13</td> <td>1997-3-13</td> <td>1</td> <td>WZJ</td> <td>1965-3-13</td> <td>汉</td> <td>171</td> </tr> <tr> <td>2000045</td> <td>2001-2-15</td> <td>2001-3-15</td> <td>0</td> <td>WY</td> <td>1978-8-5</td> <td>汉</td> <td>162</td> </tr> <tr> <td>2000046</td> <td>2001-2-23</td> <td>2001-3-23</td> <td>0</td> <td>LQ</td> <td>2001-2-23</td> <td>汉</td> <td>171</td> </tr> </tbody> </table> <script type="text/javascript"> var tTD; //用来存储当前更改宽度的Table Cell,避免快速移动鼠标的问题 var table = document.getElementById("tb_3"); for (j = 0; j < table.rows[0].cells.length; j++) { table.rows[0].cells[j].onmousedown = function () { //记录单元格 tTD = this; if (event.offsetX > tTD.offsetWidth - 10) { tTD.mouseDown = true; tTD.oldX = event.x; tTD.oldWidth = tTD.offsetWidth; } //记录Table宽度 //table = tTD; while (table.tagName != ‘TABLE') table = table.parentElement; //tTD.tableWidth = table.offsetWidth; }; table.rows[0].cells[j].onmouseup = function () { //结束宽度调整 if (tTD == undefined) tTD = this; tTD.mouseDown = false; tTD.style.cursor = 'default'; }; table.rows[0].cells[j].onmousemove = function () { //更改鼠标样式 if (event.offsetX > this.offsetWidth - 10) this.style.cursor = 'col-resize'; else this.style.cursor = 'default'; //取出暂存的Table Cell if (tTD == undefined) tTD = this; //调整宽度 if (tTD.mouseDown != null && tTD.mouseDown == true) { tTD.style.cursor = 'default'; if (tTD.oldWidth + (event.x - tTD.oldX) > 0) tTD.width = tTD.oldWidth + (event.x - tTD.oldX); //调整列宽 tTD.style.width = tTD.width; tTD.style.cursor = 'col-resize'; //调整该列中的每个Cell table = tTD; while (table.tagName != 'TABLE') table = table.parentElement; for (j = 0; j < table.rows.length; j++) { table.rows[j].cells[tTD.cellIndex].width = tTD.width; } //调整整个表 //table.width = tTD.tableWidth + (tTD.offsetWidth – tTD.oldWidth); //table.style.width = table.width; } }; } </script> </body> </html>