遍历控件并取值

本文档通过示例展示了如何使用 jQuery 获取 HTML 表单中不同元素的值,包括文本框、复选框、单选按钮及下拉列表等,并以 JSON 格式返回收集的数据。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>

</head>
<body>

<div id="xxx">  
<div class="col-md-12">
    <div class="form-group">
        <label class="col-sm-3 control-label">文本框:</label>
        <div class="col-sm-9">
            <input type="text" name="aaa" id="aa" class="form-control" placeholder="请输入文本" value="sssss"> <span class="help-block m-b-none">说明文字</span>
      <input type="text" name="aaa" id="aa" class="form-control" placeholder="请输入文本" value="ssssbbbbs"> <span class="help-block m-b-none">说明文字</span>
        </div>
    </div>
    <div class="form-group">
        <label class="col-sm-3 control-label">单选框:</label>
        <div class="col-sm-9">
            <label class="radio-inline">
                <input type="radio" checked="" value="option1ss" id="optionsRadios1" name="optionsRadios">选项1</label>
            <label class="radio-inline">
                <input type="radio" value="option2ggg" id="optionsRadios2" name="optionsRadios">选项2</label>
        </div>
    </div>
    <div class="form-group">
        <label class="col-sm-3 control-label">复选框:</label>
        <div class="col-sm-9">
            <label class="checkbox-inline">
                <input type="checkbox" value="option1"  id="inlineCheckbox1">选项1</label>
            <label class="checkbox-inline">
                <input type="checkbox" value="option2" id="inlineCheckbox2">选项2</label>
            <label class="checkbox-inline">
                <input type="checkbox" value="option3" id="inlineCheckbox3">选项3</label>
        </div>
    </div>
</div>
<label class="col-sm-3 control-label">下拉列表:</label>
<div class="col-sm-9">
    <select class="form-control" name="" id="ttt">
        <option value="aa">选项 1</option>
        <option value="bb">选项 2</option>
        <option value="cc" >选项 3</option>
        <option value="dd">选项 4</option>
    </select>
</div>


</div> 
<button id="show" type="button">显示</button>
<script type="text/javascript">


 $("#show").click(function(){
$("input[type=checkbox]:checked").each(function(){ 
    alert($(this).val());  
}); 

$("input[type=text]").each(function(){ 
    alert($(this).val());  
}); 

     $("select").each(function() { 

  //  alert($(this).attr('id')); 

 alert($("#"+$(this).attr('id')+"").val()); 
});



  });
</script>
</body>
</html>



<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>

</head>
<body>

<div id="xxx">  
<div class="col-md-12">
    <div class="form-group">
        <label class="col-sm-3 control-label">文本框:</label>
        <div class="col-sm-9">
            <input type="text" name="aaa" id="aa" class="form-control" placeholder="请输入文本" value="sssss"> <span class="help-block m-b-none">说明文字</span>
      <input type="text" name="aaa" id="aa" class="form-control" placeholder="请输入文本" value="ssssbbbbs"> <span class="help-block m-b-none">说明文字</span>
        </div>
    </div>
    <div class="form-group">
        <label class="col-sm-3 control-label">单选框:</label>
        <div class="col-sm-9">
            <label class="radio-inline">
                <input type="radio" checked="" value="option1ss" id="optionsRadios1" name="optionsRadios">选项1</label>
            <label class="radio-inline">
                <input type="radio" value="option2ggg" id="optionsRadios2" name="optionsRadios">选项2</label>
        </div>
    </div>
    <div class="form-group">
        <label class="col-sm-3 control-label">复选框:</label>
        <div class="col-sm-9">
            <label class="checkbox-inline">
                <input type="checkbox" value="option1"  id="inlineCheckbox1">选项1</label>
            <label class="checkbox-inline">
                <input type="checkbox" value="option2" id="inlineCheckbox2">选项2</label>
            <label class="checkbox-inline">
                <input type="checkbox" value="option3" id="inlineCheckbox3">选项3</label>
        </div>
    </div>
</div>
<label class="col-sm-3 control-label">下拉列表:</label>
<div class="col-sm-9">
    <select class="form-control" name="" id="ttt">
        <option value="aa">选项 1</option>
        <option value="bb">选项 2</option>
        <option value="cc" >选项 3</option>
        <option value="dd">选项 4</option>
    </select>
</div>


</div> 
<button id="show" type="button">显示</button>
<script type="text/javascript">


 $("#show").click(function(){
var aaa="[";
$("input[type=checkbox]:checked").each(function(){ 
  //  alert($(this).val());  
aaa+="{\""+$(this).attr('id')+"\":\""+$(this).val()+"\"},";
}); 

$("input[type=text]").each(function(){ 
 //   alert($(this).val());  
aaa+="{\""+$(this).attr('id')+"\":\""+$(this).val()+"\"},";
}); 

     $("select").each(function() { 

  //  alert($(this).attr('id')); 

// alert($("#"+$(this).attr('id')).val()); 
aaa+="{\""+$(this).attr('id')+"\":\""+$("#"+$(this).attr('id')).val()+"\"}";
});
aaa+="]"
 alert(aaa); 

  });
</script>
</body>
</html>


<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>

</head>
<body>

<div id="xxx">  
<div class="col-md-12">
    <div class="form-group">
        <label class="col-sm-3 control-label">文本框:</label>
        <div class="col-sm-9">
            <input type="text" name="aaa" id="aa" class="form-control" placeholder="请输入文本" value="sssss"> <span class="help-block m-b-none">说明文字</span>
      <input type="text" name="aaa" id="aa" class="form-control" placeholder="请输入文本" value="ssssbbbbs"> <span class="help-block m-b-none">说明文字</span>
        </div>
    </div>
    <div class="form-group">
        <label class="col-sm-3 control-label">单选框:</label>
        <div class="col-sm-9">
            <label class="radio-inline">
                <input type="radio" checked="" value="option1ss" id="optionsRadios1" name="optionsRadios">选项1</label>
            <label class="radio-inline">
                <input type="radio" value="option2ggg" id="optionsRadios2" name="optionsRadios">选项2</label>
        </div>
    </div>
    <div class="form-group">
        <label class="col-sm-3 control-label">复选框:</label>
        <div class="col-sm-9">
            <label class="checkbox-inline">
                <input type="checkbox" value="option1"  id="inlineCheckbox1">选项1</label>
            <label class="checkbox-inline">
                <input type="checkbox" value="option2" id="inlineCheckbox2">选项2</label>
            <label class="checkbox-inline">
                <input type="checkbox" value="option3" id="inlineCheckbox3">选项3</label>
        </div>
    </div>
</div>
<label class="col-sm-3 control-label">下拉列表:</label>
<div class="col-sm-9">
    <select class="form-control" name="" id="ttt">
        <option value="aa">选项 1</option>
        <option value="bb">选项 2</option>
        <option value="cc" >选项 3</option>
        <option value="dd">选项 4</option>
    </select>
</div>


</div> 
<button id="show" type="button">显示</button>
<script type="text/javascript">


 $("#show").click(function(){
var aaa="[";
$("input[type=checkbox]:checked").each(function(){ 
  //  alert($(this).val());  
aaa+="{\""+$(this).attr('id')+"\":\""+$(this).val()+"\"},";
}); 

$("input[type=text]").each(function(){ 
 //   alert($(this).val());  
aaa+="{\"name\":\""+$(this).attr('id')+"\",\"value\":\""+$(this).val()+"\"},";
}); 

     $("select").each(function() { 

  //  alert($(this).attr('id')); 

// alert($("#"+$(this).attr('id')).val()); 
aaa+="{\"name\":\""+$(this).attr('id')+"\",\"value\":\""+$("#"+$(this).attr('id')).val()+"\"}";
});
aaa+="]"
 alert(aaa); 

  });
</script>
</body>
</html>



<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js"></script>

</head>
<body>

<div id="xxx">  
<div class="col-md-12">
    <div class="form-group">
        <label class="col-sm-3 control-label">文本框:</label>
        <div class="col-sm-9">
            <input type="text" name="aaa" id="aa" class="form-control" placeholder="请输入文本" value="sssss"> <span class="help-block m-b-none">说明文字</span>
      <input type="text" name="aaa" id="aa" class="form-control" placeholder="请输入文本" value="ssssbbbbs"> <span class="help-block m-b-none">说明文字</span>
        </div>
    </div>
    <div class="form-group">
        <label class="col-sm-3 control-label">单选框:</label>
        <div class="col-sm-9">
            <label class="radio-inline">
                <input type="radio" checked="" value="option1ss" id="optionsRadios1" name="optionsRadios">选项1</label>
            <label class="radio-inline">
                <input type="radio" value="option2ggg" id="optionsRadios2" name="optionsRadios">选项2</label>
        </div>
    </div>
    <div class="form-group">
        <label class="col-sm-3 control-label">复选框:</label>
        <div class="col-sm-9">
            <label class="checkbox-inline">
                <input type="checkbox" value="option1"  id="inlineCheckbox1">选项1</label>
            <label class="checkbox-inline">
                <input type="checkbox" value="option2" id="inlineCheckbox2">选项2</label>
            <label class="checkbox-inline">
                <input type="checkbox" value="option3" id="inlineCheckbox3">选项3</label>
        </div>
    </div>
</div>
<label class="col-sm-3 control-label">下拉列表:</label>
<div class="col-sm-9">
    <select class="form-control" name="" id="ttt">
        <option value="aa">选项 1</option>
        <option value="bb">选项 2</option>
        <option value="cc" >选项 3</option>
        <option value="dd">选项 4</option>
    </select>
</div>


</div> 
<button id="show" type="button">显示</button>
<script type="text/javascript">


 $("#show").click(function(){
var aaa="[";
$("input[type=checkbox]:checked").each(function(){ 
  //  alert($(this).val());  
aaa+="{\"name\":\""+$(this).attr('id')+"\",\"value\":\""+$(this).val()+"\"},";
}); 

$("input[type=text]").each(function(){ 
 //   alert($(this).val());  
aaa+="{\"name\":\""+$(this).attr('id')+"\",\"value\":\""+$(this).val()+"\"},";
}); 

$("input[type=radio]:checked").each(function(){ 
 //   alert($(this).val());  
aaa+="{\"name\":\""+$(this).attr('id')+"\",\"value\":\""+$(this).val()+"\"},";
}); 



     $("select").each(function() { 

  //  alert($(this).attr('id')); 

// alert($("#"+$(this).attr('id')).val()); 
aaa+="{\"name\":\""+$(this).attr('id')+"\",\"value\":\""+$("#"+$(this).attr('id')).val()+"\"}";
});
aaa+="]"
 alert(aaa); 

  });
</script>
</body>
</html>


评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值