jQuery-单选框取值

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程序如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script src="jquery-1.2.6.min.js" type="text/javascript"></script>
<script type="text/javascript">
/*方法一:
$(function(){
    $("#form1").submit(function(){
         if($("#form1 input:checked")){
            alert($("#form1 input:checked").val());
       }
           return false; //不提交
  });
});
*/
//方法二,实际开发中用
$(function(){
    $("#form1").submit(function(){
        if($("input[type=radio]:checked")){
        //if($("input[name=items]:checked")){
            alert($("input[name=items]:checked").val());
        }
        return false;
    })
})
</script>
</head>
<body>
<form id="form1">
        <input type="radio" name="items" id="item1" value="a"/>A
        <br/>
        <input type="radio" name="items" id="item2" value="b"/>B
        <br/>
        <input type="radio" name="items" id="item3" value="c"/>C
        <br/>
        <input type="radio" name="items" id="item4" value="d"/>D
        <br/>
        <input type="radio" name="items" id="item5" value="e"/>E
        <br/>
        <input type="radio" name="items" id="item6" value="f"/>F
        <br/>
        <input type="radio" name="items" id="item7" value="g"/>G
        <br/>
        <input type="radio" name="items" id="item8" value="h"/>H
        <br/>
        <input type="submit" id="btn1">
    </form>
</body>
</html>


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