如何使用jQuery获取所有表单元素的值
How to get all form elements values using jQuery?
这是HTML代码：
<!DOCTYPE html><html xmlns='http://www.w3.org/1999/xhtml' >
<head>
<title>HTML Form Builder</title>
<link href='css/font1.css' rel='stylesheet' type='text/css'>
<link href='css/font2.css' rel='stylesheet' type='text/css'>
<link rel='stylesheet' href='css/style.min.css' type='text/css' media='all' />
<link rel='stylesheet' href='css/form.min.css' type='text/css' media='all' />
<link rel='stylesheet' href='css/style1.css' type='text/css' media='all' id='css-theme'/>
<link type='text/css' href='css/redmond/jquery-ui-1.8.23.custom.css' rel='stylesheet' />
<link rel='stylesheet' href='css/tipsy.css' type='text/css' media='all' />
<script type='text/javascript' src='js/jquery-1.8.0.min.js'></script>
<script type='text/javascript' src='js/jquery-ui-1.8.23.custom.min.js'></script>
<script type='text/javascript' src='js/jquery.metadata.js'></script>
<script type='text/javascript' src='js/jquery.validate.js'></script>
<script type='text/javascript' src='js/jquery.tipsy.js'></script>
<script type='text/javascript' src='js/jquery.json-2.3.min.js'></script>
<script type='text/javascript' src='js/main.min.js'></script>
<script type='text/javascript'>
$(function(){
changeInnerHTML('doctor_id');
changeInnerHTML('hospital_id');
changeInnerHTML('clinic_id');
changeInnerHTML('stockist_id');
changeInnerHTML('chemist_id');
changeInnerHTML('bloodbank_id');
changeInnerHTML('dialysis_id');
});
function changeInnerHTML(id)
{
if($('#dialog_box_'+id).length)
{
var tmp=id.split('_');
$.get('getDataValues.php?ref='+tmp[0],function(data,status){
$('#dialog_box_'+id).html(data);
});
}
}
</script>
</head>
<body>
<div id='container'>
<h1 id="form-name" style="background-color: rgb(255, 255, 255); box-shadow: none; border: none; margin: 8px 15px;">New Form</h1>
<form method="POST" id="preview_form" novalidate="novalidate">
<div class="row" style="display: block;"><label class="field" for="textarea_1">textarea_1</label><span class="textArea" data=""><textarea id="dialog_box_textarea_1" name="textarea_1" data="{"validate":{"required":false,"messages":{}}}"></textarea></span></div><div class="row" style="display: block;"><label class="field" for="radiobutton_1">radiobutton_1</label><span class="radioButton" data="" id="radiobutton_1"><label class="option" for="radiobutton_1_option_1"><input class="radio" id="dialog_box_radiobutton_1_option_1" type="radio" name="radiobutton_1" value="Option 1" data="{"validate":{"required":false,"messages":{}}}">Option 1</label><label class="option" for="radiobutton_1_option_2"><input class="radio" id="radiobutton_1_option_2" type="radio" name="radiobutton_1" value="Option 2">Option 2</label><label class="option" for="radiobutton_1_option_3"><input class="radio" id="radiobutton_1_option_3" type="radio" name="radiobutton_1" value="Option 3">Option 3</label></span></div><div class="row" style="display: block;"><label class="field" for="checkboxgroup_1">checkboxgroup_1</label><span class="checkBoxGroup" data="" id="checkboxgroup_1"><label class="option" for="checkboxgroup_1_option_1"><input type="checkbox" class="checkbox" name="checkboxgroup_1[]" id="dialog_box_checkboxgroup_1_option_1" value="Option 1" data="{"validate":{"required":false,"messages":{}}}">Option 1</label><label class="option" for="checkboxgroup_1_option_2"><input type="checkbox" class="checkbox" name="checkboxgroup_1[]" id="checkboxgroup_1_option_2" value="Option 2">Option 2</label><label class="option" for="checkboxgroup_1_option_3"><input type="checkbox" class="checkbox" name="checkboxgroup_1[]" id="checkboxgroup_1_option_3" value="Option 3">Option 3</label></span></div><div class="row" style="display: block;"><label class="field" for="dropdown_1">dropdown_1</label><span class="dropDown" data=""><select id="dialog_box_dropdown_1" name="dropdown_1" data="{"validate":{"required":false,"messages":{}}}"><option value="Option 1">Option 1</option><option value="Option 2">Option 2</option><option value="Option 3">Option 3</option></select></span></div><input type="button" class="button blue" value="Submit" id="submit-form"><input type='hidden' id='tname' name='tname' value='surveyForm_2' /></form></div> <!--container-->
<script type='text/javascript' src='js/form.min.js'></script>
</body>
</html>
这里的代码将获得所有的表单字段值：
$("#hidAll").append($("#preview_form :input").map(function () {
if ($(this).val() != 'Submit') {
if ($(this).is('select')) {
var aa = $(this).children('option').map(function () {
return $(this).val();
}).get().join("|");
return $(this).attr('name') + '|' + aa;
} else if ($(this).is('input:checkbox')) {
return $(this).attr('name').substring(0, $(this).attr('name').length - 2) + '|' + $(this).val();
} else {
return $(this).attr('name') + '|' + $(this).val();
}
}
}).get().join(","));
alert($("#hidAll").html());
从中我得到的输出值如下：
textfield_1|dgdfg,
checkboxgroup_1|Option 1,
checkboxgroup_1|Option 2,
checkboxgroup_1|Option 3,
radiobutton_1|Option 1,
radiobutton_1|Option 2,
radiobutton_1|Option 3,
dropdown_1|Option 1!Option 2!Option 3
我想输出如下：
textfield_1|dgdfg,
checkboxgroup_1|Option 1!Option 2!Option 3,
radiobutton_1|Option 1!Option 2!Option 3,
dropdown_1|Option 1!Option 2!Option 3
您可以使用JQuery:的serialize（）函数
var datastring = $("#preview_form").serialize();
$.ajax({
type: "POST",
url: "your url.php",
data: datastring,
success: function(data) {
alert('Data send');
}
});
用PHP阅读：
echo $_POST['datastring']['dialog_box_textarea_1'];
echo $_POST['datastring']['radiobutton_1'];
........
并且获取***数据-***来标记HTML5，你可以看到这个例子：
<div id="texto" data-author="Ricardo Miranda" data-date="2012-06-21">
<h4>Lorem ipsum</h4>
<p>
Lorem ipsum dolor sit amet, ius integre eligendi et,
sea ut expetendis conclusionemque,
mel at ornatus invenire. His ad moderatius definiebas omittantur,
liber saepe albucius sea cu.
Audire tamquam dolores vis ne, mediocrem consulatu eum ex.
Duo te agam saepe convenire, et fugit iisque his.
</p>
<script type="text/javascript">
$(function() {
alert("The text is write " + $('#texto').data('author'));
});
和
<div id="texto" data-author='{"nombre":"Ricardo","apellido":"Miranda"}' data-date="2012-06-21">
...
</div>
<script type="text/javascript">
$(function() {
alert("The text is write " + $('#texto').data('author').apellido + ", " +
('#texto').data('author').nombre);
});
</script>
我知道你在使用jQuery，但对于那些想要纯Javascript解决方案的人来说：
// Serialize form fields as URI argument/HTTP POST data
function serializeForm(form) {
var kvpairs = [];
for ( var i = 0; i < form.elements.length; i++ ) {
var e = form.elements[i];
if(!e.name || !e.value) continue; // Shortcut, may not be suitable for values = 0 (considered as false)
switch (e.type) {
case 'text':
case 'textarea':
case 'password':
case 'hidden':
kvpairs.push(encodeURIComponent(e.name) + "=" + encodeURIComponent(e.value));
break;
case 'radio':
case 'checkbox':
if (e.checked) kvpairs.push(encodeURIComponent(e.name) + "=" + encodeURIComponent(e.value));
break;
/* To be implemented if needed:
case 'select-one':
... document.forms[x].elements[y].options[0].selected ...
break;
case 'select-multiple':
for (z = 0; z < document.forms[x].elements[y].options.length; z++) {
... document.forms[x].elements[y].options[z].selected ...
} */
break;
}
}
return kvpairs.join("&");
}
演示：http://jsfiddle.net/55xnJ/2/
//Just type:
$("#preview_form").serialize();
//to get result:
single=Single&multiple=Multiple&multiple=Multiple3&check=check2&radio=radio1
尝试将表单输入文本值获取到JavaScript对象。。。
var fieldPair = {};
$("#form :input").each(function() {
if($(this).attr("name").length > 0) {
fieldPair[$(this).attr("name")] = $(this).val();
}
});
console.log(fieldPair);
将此添加到它的末尾：
var array = $("#hidAll").html();
x = array.split(',');
key=s="";
for (i=0; i<x.length; i++) {
oldkey = key;
key = x[i].split('|')[0];
if (oldkey==key) s+='!';
else s+=','n'+key+'|';
s+=x[i].split('|')[1];
}
s = s.substring(1);
$('#hidAll').html(a);
答案已经被接受了，我只是为了同样的目的写了一个简短的技巧。
var fieldPair = '';
$(":input").each(function(){
fieldPair += $(this).attr("name") + ':' + $(this).val() + ';';
});
console.log(fieldPair);
如果您想使用$（formName）.serializeArray（）或$（formName.serialize（），必须在输入元素上添加name='inputName'。否则将不起作用！
我需要将表单数据作为某种对象获取。我用过这个：
$('#preview_form').serializeArray().reduce((function(acc, val) {
acc[val.name.replace('[', '_').replace(']', '')] = val.value;
return acc;
}), {});
如果您想从简单数组中的表单中获取所有值，您可以执行这样的操作。
function getValues(form) {
var listvalues = new Array();
var datastring = $("#" + form).serializeArray();
var data = "{";
for (var x = 0; x < datastring.length; x++) {
if (data == "{") {
data += "'"" + datastring[x].name + "'": '"" + datastring[x].value + "'"";
}
else {
data += ",'"" + datastring[x].name + "'": '"" + datastring[x].value + "'"";
}
}
data += "}";
data = JSON.parse(data);
listvalues.push(data);
return listvalues;
};
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