基于jquery 全选、反选、各行换色、单击行选中事件实现代码

时间：2024-09-22 21:06:02
<script language="javascript">

 $(document).ready(function(){

     //各行换色

     $('table tr:odd').addClass('tr_odd'); //奇数行

     $('table tr:even').addClass('tr_even'); //偶数行

     //单击行选中是事件

      $("tr").bind("click",function(){

         if( $(this).hasClass('selected') ){

             $(this).removeClass('selected')

                    .find(":checkbox").attr("checked",false);

         }else{

             $(this).addClass('selected')

                    .find(":checkbox").attr("checked",true);

         }

     })

     //全选事件

     $("#selectAll").click(function(){

         $(":checkbox").attr("checked","checked");

     });

     //反选事件

     $("#unSelect").click(function(){

         var checkbox=$(":checkbox");

         for(var i=0;i<checkbox.length;i++){

             checkbox[i].checked=!checkbox[i].checked;

         }

     });

     //取消事件

     $("#cancelSelect").click(function(){

         $(":checkbox").removeAttr("checked");

     });

 });
<body>

 <input type="button" value="全选" id="selectAll">

 <input type="button" value="反选" id="unSelect">

 <input type="button" value="取消" id="cancelSelect">

 <table width="200" border="1">

   <tr>

     <td>cxv</td>

     <td>zxcv</td>

     <td>zxcv</td>

   </tr>

   <tr>

     <td><form id="form1" name="form1" method="post" action="">

       <label>

         <input type="checkbox" name="checkbox" value="checkbox" />

         </label>

     </form>    </td>

     <td>zxcv</td>

     <td>gfh</td>

   </tr>

   <tr>

     <td><form id="form2" name="form2" method="post" action="">

       <label>

         <input type="checkbox" name="checkbox2" value="checkbox" />

         </label>

     </form>    </td>

     <td>fhg</td>

     <td>ghj</td>

   </tr>

   <tr>

     <td><form id="form3" name="form3" method="post" action="">

       <label>

         <input type="checkbox" name="checkbox3" value="checkbox" />

         </label>

     </form>    </td>

     <td>dfg</td>

     <td>fgh</td>

   </tr>

 </table>

 </body>

 </html>
<script language="JavaScript" type="text/javascript">

function Checkbox1() {

var o=new Array()

var j=0

var obj=document.form1.getElementsByTagName("INPUT")

for (var i=0;i<=obj.length-1;i++){

    if (obj[i].checked){o[j]=obj[i].value;j++}

}

    alert(o);

}

</script>

<form name="form1">

<input name="ID" type="checkbox" value="1">

<input name="ID" type="checkbox" value="2">

<input name="ID" type="checkbox" value="3">

<input type="button" onclick="Checkbox1();" value="提交">

</form>
<script>

function Checkbox1(form){

var checks = form.ID;

for(i=0; i<checks.length; i++){

    var obj = checks[i];

    if(obj.checked == true){

        alert(obj.value);

    }

}

}

</script>

<form name="form1">

<input name="ID" type="checkbox" value="1">

<input name="ID" type="checkbox" value="2">

<input name="ID" type="checkbox" value="3">

<input type="button" onclick="Checkbox1(this.form)" value="提交">

</form>