效果：
<!doctype html>
<html lang="en"> <head> <meta charset="UTF-8"> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>一键反选</title> <style> *{margin:0px;padding:0px;} form table{ width:500px; margin:10px auto; border-right:1px solid red; border-bottom:1px solid red; border-collapse:collapse; } tr td{ border-left:1px solid red; border-top:1px solid red; } </style> <script> window.οnlοad=function(){ var arrs = document.getElementsByClassName("checkbox"); if(arrs.length >0 ){ arrs[0].οnclick=function(){ for(var i = 1; i < arrs.length; i++){ arrs[i].checked = !arrs[i].checked; } } } } </script> </head> <body> <form action="" method="post"> <table> <tr> <td width="20px"><input type="checkbox" class="checkbox"></td> <td>123</td> </tr> <tr> <td><input type="checkbox" class="checkbox"></td> <td>123</td> </tr> <tr> <td><input type="checkbox" class="checkbox"></td> <td>123</td> </tr> </table> </form> </body> </html>