複選框全選、全不選
阿新 • • 發佈：2019-01-31
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>全選與反選</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <script language="javascript"> // --列頭全選框被單擊--- 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(); } } // --子項複選框被單擊--- 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; } // --反選被單擊--- function ChkOppClick(sonName){ var arrSon = document.getElementsByName(sonName); for(i=0;i<arrSon.length;i++) { arrSon[i].click(); } } </script> </head> <body> <form name="form1" method="post" action=""> <table width="500" border="1"> <tr bgcolor="#FFFF66"> <td> <INPUT name="chkAll" id="chkAll" title="全選" onClick="ChkAllClick('chkSon','chkAll')" type="checkbox" />全選</td> <td align="center">複選框全選示例 </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon1" type="checkbox" value='1' onclick="ChkSonClick('chkSon','chkAll')" />1</td> <td> 作用： </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon2" type="checkbox" value='2' onclick="ChkSonClick('chkSon','chkAll')" />2</td> <td> a.單擊列頭複選框全選或全不選子項 </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon3" type="checkbox" value='3' onclick="ChkSonClick('chkSon','chkAll')" />3</td> <td> b.只要有一個子項沒有選中，則取消列頭的選中狀態 </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon4" type="checkbox" value='4' onclick="ChkSonClick('chkSon','chkAll')" />4</td> <td> c.當所有子專案選中時，列頭複選框自動置為選中狀態 </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon5" type="checkbox" value='5' onclick="ChkSonClick('chkSon','chkAll')" />5</td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon6" type="checkbox" value='6' onclick="ChkSonClick('chkSon','chkAll')" />6</td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon7" type="checkbox" value='7' onclick="ChkSonClick('chkSon','chkAll')" />7</td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon8" type="checkbox" value='8' onclick="ChkSonClick('chkSon','chkAll')" />8</td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon9" type="checkbox" value='9' onclick="ChkSonClick('chkSon','chkAll')" />9</td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td><INPUT name="chkSon" id="chkSon10" type="checkbox" value='10' onclick="ChkSonClick('chkSon','chkAll')" />10</td> <td>d.將複選框反過來選</td> <td> </td> <td> </td> </tr> <tr bgcolor="#66FFFF"> <td><INPUT name="chkOpposite" id="chkOpposite" title="反選" onClick="ChkOppClick('chkSon')" type="checkbox" />反選</td> <td align="center">反選示例</td> <td> </td> <td> </td> </tr> </table> </form> </body> </html>