jquery 表单 多选框的一种巧妙写法

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<link href="css/style.css" rel="stylesheet" type="text/css"/>
<script src="../scripts/jquery-1.3.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
    $("tbody>tr:odd").addClass("odd");
    $("tbody>tr:even").addClass("even");
    $('tbody>tr').click(function(){
        var hasSelected = $(this).hasClass('selected');
        $(this)[hasSelected ? "removeClass" : "addClass"]('selected').find(':checkbox').attr('checked', !hasSelected);
    });
    $('tbody>tr:has(:checked)').addClass('selected');
})
</script>
</head>
<body>
<table>
    <thead>
    <tr>
        <th></th>
        <th>s</th>
        <th>sd</th>
        <th>sdasdsa sda</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td><input type="checkbox" name="choice" value=""/></td>
        <td>s</td>
        <td>s</td>
        <td>sdadsadsd</td>
    </tr>
    <tr>
        <td><input type="checkbox" name="choice" value=""/></td>
        <td>sadasdsd</td>
        <td>s</td>
        <td>sads</td>
    </tr>
    <tr>
        <td><input type="checkbox" name="choice" value="" checked='checked'/></td>
        <td>sas</td>
        <td>s</td>
        <td>aasdsad sad</td>
    </tr>
    <tr>
        <td><input type="checkbox" name="choice" value=""/></td>
        <td>ss</td>
        <td>ssad</td>
        <td>dadsadsad</td>
    </tr>
    <tr>
        <td><input type="checkbox" name="choice" value=""/></td>
        <td>Rain</td>
        <td>sd</td>
        <td>sdsad sad asd </td>
    </tr>
    <tr>
        <td><input type="checkbox" name="choice" value=""/></td>
        <td>MAXMAN</td>
        <td>s</td>
        <td>实打实的速度是</td>
    </tr>
    </tbody>
</table>
</body>
</html>

radio 写法:

$(function(){
    $("tbody>tr:odd").addClass("odd"); 
    $("tbody>tr:even").addClass("even"); 
    $('tbody>tr').click(function(){
        $(this).addClass('selected').siblings().removeClass('selected').end().find(':radio').attr('checked', true);
    });
// $('table :radio:checked').parent().parent().addClass('selected');
    $('table :radio:checked').parents("tr").addClass('selected');
//$('tbody>tr:has(:checked)').addClass('selected');

})

checkbox写法:

$(function(){
    $("tbody>tr:odd").addClass("odd");
    $("tbody>tr:even").addClass("even"); 
    $('tbody>tr').click(function(){
        if($(this).hasClass('selected')){
            $(this).removeClass('selected').find(':checkbox').attr('checked', false);
        }else{
            $(this).addClass('selected').find(':checkbox').attr('checked', true);
        }
    });
// $('table :checkbox:checked').parent().parent().addClass('selected');
    $('table :checkbox:checked').parents("tr").addClass('selected');
    //$('tbody>tr:has(:checked)').addClass('selected');
})
原文地址:https://www.cnblogs.com/vincent_ds/p/2700423.html