How to convert jQuery.serialize() data to JSON object?
Is there any better solution to convert a form data that is already serialized by jQuery function serialize(), when the form contains multiple input Array fields. I want to be able to convert the form data in to a JSON object to recreate some other informative tables. So tell me a better way to get the serialize string converted as a JSON object.
<form id='sampleform'>
<input name='MyName' type='text' /> // Raf
<!--array input fields below-->
<input name='friendname[]' type='text' /> // Bily
<input name='fiendemail[]' type='text' /> // bily@someemail.com
<!--duplicated fields below to add more friends -->
<input name='friendname[]' type='text' /> // Andy
<input name='fiendemail[]' type='text' /> // Andy@somwhere.com
<input name='friendname[]' type='text' /> // Adam
<input name='fiendemail[]' type='text' /> // Adam@herenthere.com
</form>
The jquery method applied to get the data
var MyForm = $("#sampleform").serialize();
/** result : MyName=Raf&friendname[]=Billy&fiendemail[]=bily@someemail.com&friendname[]=Andy&fiendemail[]=Andy@somwhere.com&friendname[]=Adam&fiendemail[]=Adam@herenthere.com
*/
how do I make this data in to a JSON object? which should have the following example JSON data from the above form.
{
"MyName":"raf",
"friendname":[
{"0":"Bily"},
{"1":"Andy"},
{"2":"Adam"}
],
"friendemail":[
{"0":"bily@someemail.com"},
{"1":"Andy@somwhere.com"},
{"2":"Adam@herenthere.com"}
]
}
var formdata = $("#myform").serializeArray();
var data = {};
$(formdata ).each(function(index, obj){
data[obj.name] = obj.value;
});
简单而快速;）
I have recently had this exact problem. Initially, we were using jQuery's serializeArray() method, but that does not include form elements that are disabled. We will often disable form elements that are "sync'd" to other sources on the page, but we still need to include the data in our serialized object. So serializeArray() is out. We used the :input selector to get all input elements (both enabled and disabled) in a given container, and then $.map() to create our object.
var inputs = $("#container :input");
var obj = $.map(inputs, function(n, i)
{
var o = {};
o[n.name] = $(n).val();
return o;
});
console.log(obj);
Note that for this to work, each of your inputs will need a name attribute, which will be the name of the property of the resulting object.
That is actually slightly modified from what we used. We needed to create an object that was structured as a .NET IDictionary, so we used this: (I provide it here in case it's useful)
var obj = $.map(inputs, function(n, i)
{
return { Key: n.name, Value: $(n).val() };
});
console.log(obj);
I like both of these solutions, because they are simple uses of the $.map() function, and you have complete control over your selector (so, which elements you end up including in your resulting object). Also, no extra plugin required. Plain old jQuery.
Use the jQuery.serializeJSON plugin. It converts forms using the same format as what you would find in a Rails params object, which is very standard and well tested.
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