Javascript/jQuery一行代码-也适用于旧版本（ES6之前）：

$('form').serializeArray().reduce((f,c) => {f[c['name']]=(f[c['name']])?[].concat(f[c['name']],c['value']):c['value']; return f}, {} );

Tobias Cohen解决方案的固定版本。此函数正确处理0和“”等错误值。

jQuery.fn.serializeObject = function() {
  var arrayData, objectData;
  arrayData = this.serializeArray();
  objectData = {};

  $.each(arrayData, function() {
    var value;

    if (this.value != null) {
      value = this.value;
    } else {
      value = '';
    }

    if (objectData[this.name] != null) {
      if (!objectData[this.name].push) {
        objectData[this.name] = [objectData[this.name]];
      }

      objectData[this.name].push(value);
    } else {
      objectData[this.name] = value;
    }
  });

  return objectData;
};

以及一个CoffeeScript版本，方便您编写代码：

jQuery.fn.serializeObject = ->
  arrayData = @serializeArray()
  objectData = {}

  $.each arrayData, ->
    if @value?
      value = @value
    else
      value = ''

    if objectData[@name]?
      unless objectData[@name].push
        objectData[@name] = [objectData[@name]]

      objectData[@name].push value
    else
      objectData[@name] = value

  return objectData

此代码适用于我：

  var data = $('#myForm input, #myForm select, #myForm textarea').toArray().reduce(function (m, e) {
            m[e.name] = $(e).val();
            return m;
        }, {});

Javascript/jQuery一行代码-也适用于旧版本（ES6之前）：

$('form').serializeArray().reduce((f,c) => {f[c['name']]=(f[c['name']])?[].concat(f[c['name']],c['value']):c['value']; return f}, {} );

function serializedArray2Object(array){
    let obj = {};
    array.forEach(function(item){
        if(obj[item['name']] === undefined){
            obj[item['name']] = item['value'];
        }else if(Array.isArray(obj[item['name']])){
            obj[item['name']] = [...obj[item['name']],item['value']]
        }else{
            obj[item['name']] = [obj[item['name']],item['value']];
        }
    });
    return obj;
}

使用

serializedArray2Object($('#form').serializeArray())

我刚刚从jQuery中发现了这个函数，并编写了一个到对象的转换器，这样数组就变成了一个对象。

将任何东西变成对象（未经单元测试）

<script type="text/javascript">
string = {};

string.repeat = function(string, count)
{
    return new Array(count+1).join(string);
}

string.count = function(string)
{
    var count = 0;

    for (var i=1; i<arguments.length; i++)
    {
        var results = string.match(new RegExp(arguments[i], 'g'));
        count += results ? results.length : 0;
    }

    return count;
}

array = {};

array.merge = function(arr1, arr2)
{
    for (var i in arr2)
    {
        if (arr1[i] && typeof arr1[i] == 'object' && typeof arr2[i] == 'object')
            arr1[i] = array.merge(arr1[i], arr2[i]);
        else
            arr1[i] = arr2[i]
    }

    return arr1;
}

array.print = function(obj)
{
    var arr = [];
    $.each(obj, function(key, val) {
        var next = key + ": ";
        next += $.isPlainObject(val) ? array.print(val) : val;
        arr.push( next );
      });

    return "{ " +  arr.join(", ") + " }";
}

node = {};

node.objectify = function(node, params)
{
    if (!params)
        params = {};

    if (!params.selector)
        params.selector = "*";

    if (!params.key)
        params.key = "name";

    if (!params.value)
        params.value = "value";

    var o = {};
    var indexes = {};

    $(node).find(params.selector+"["+params.key+"]").each(function()
    {
        var name = $(this).attr(params.key),
            value = $(this).attr(params.value);

        var obj = $.parseJSON("{"+name.replace(/([^\[]*)/, function()
        {
            return '"'+arguments[1]+'"';
        }).replace(/\[(.*?)\]/gi, function()
        {
            if (arguments[1].length == 0)
            {
                var index = arguments[3].substring(0, arguments[2]);
                indexes[index] = indexes[index] !== undefined ? indexes[index]+1 : 0;

                return ':{"'+indexes[index]+'"';
            }
            else
                return ':{"'+escape(arguments[1])+'"';
        })+':"'+value.replace(/[\\"]/gi, function()
        {
            return "\\"+arguments[0]; 
        })+'"'+string.repeat('}', string.count(name, ']'))+"}");

        o = array.merge(o, obj);
    });

    return o;
}
</script>

测试输出：

$(document).ready(function()
{
    console.log(array.print(node.objectify($("form"), {})));
    console.log(array.print(node.objectify($("form"), {selector: "select"})));
});

on

<form>
    <input name='input[a]' type='text' value='text'/>
    <select name='input[b]'>
        <option>select</option>
    </select>

    <input name='otherinput[c][a]' value='a'/>
    <input name='otherinput[c][]' value='b'/>
    <input name='otherinput[d][b]' value='c'/>
    <input name='otherinput[c][]' value='d'/>

    <input type='hidden' name='anotherinput' value='hidden'/>
    <input type='hidden' name='anotherinput' value='1'/>

    <input type='submit' value='submit'/>
</form>

将产生：

{ input: { a: text, b: select }, otherinput: { c: { a: a, 0: b, 1: d }, d: { b: c } }, anotherinput: 1 }
{ input: { b: select } }