经常会碰到checkbox全选的情况,留个模板,以后备用:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>全选与反选</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <script language="javascript"> // --列头全选框被单击--- function ChkAllClick(sonName, cbAllId){ var arrSon = document.getElementsByName(sonName); var cbAll = document.getElementById(cbAllId); var tempState=cbAll.checked; for(i=0;i<arrSon.length;i++) { if(arrSon[i].checked!=tempState) arrSon[i].click(); } } // --子项复选框被单击--- function ChkSonClick(sonName, cbAllId) { var arrSon = document.getElementsByName(sonName); var cbAll = document.getElementById(cbAllId); for(var i=0; i<arrSon.length; i++) { if(!arrSon[i].checked) { cbAll.checked = false; return; } } cbAll.checked = true; } </script> </head> <body> <form name="form1" method="post" action=""> <table width="200" border="1"> <tr bgcolor="#FFFF66"> <td> <INPUT name="queryAll" id="queryAll" title="全选" onClick="ChkAllClick(‘chkSon‘,‘queryAll‘)" type="checkbox" />全选</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon1" type="checkbox" value=‘1‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />1</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon2" type="checkbox" value=‘2‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />5</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon3" type="checkbox" value=‘3‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />2</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon4" type="checkbox" value=‘4‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />1</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon5" type="checkbox" value=‘5‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />0</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon6" type="checkbox" value=‘6‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />2</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon7" type="checkbox" value=‘7‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />2</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon8" type="checkbox" value=‘8‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />1</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon9" type="checkbox" value=‘9‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />2</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon9" type="checkbox" value=‘9‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />0</td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon9" type="checkbox" value=‘9‘ onclick="ChkSonClick(‘chkSon‘,‘queryAll‘)" />0</td> </tr> </table> </form> </body> </html>