$http.post like jQuery.post

app.js

angular
	.module('myHttpDecorator', [])

	.config(function ($provide) {
		/*!
		 * Decorate $http with method to post as form data
		 * Based on http://victorblog.com/2012/12/20/make-angularjs-http-service-behave-like-jquery-ajax/
		 */
		$provide.decorator('$http', function ($delegate) {
			$delegate.postAsForm = function (url, data, config) {
				return $delegate.post(
					url,
					angular.isObject(data) && String(data) !== '[object File]' ? param(data) : data,
					angular.extend({
						headers: {
							'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8'
						}
					}, config || {}));
			};

			return $delegate;

			/**
			 * The workhorse; converts an object to x-www-form-urlencoded serialization.
			 * @param {Object} obj
			 * @return {String}
			 */
			function param(obj) {
				var query = '', name, value, fullSubName, subName, subValue, innerObj, i;

				for (name in obj) {
					value = obj[name];

					if (value instanceof Array) {
						for (i = 0; i < value.length; ++i) {
							subValue = value[i];
							fullSubName = name + '[' + i + ']';
							innerObj = {};
							innerObj[fullSubName] = subValue;
							query += param(innerObj) + '&';
						}
					}
					else if (value instanceof Object) {
						for (subName in value) {
							subValue = value[subName];
							fullSubName = name + '[' + subName + ']';
							innerObj = {};
							innerObj[fullSubName] = subValue;
							query += param(innerObj) + '&';
						}
					}
					else if (value !== undefined && value !== null)
						query += encodeURIComponent(name) + '=' + encodeURIComponent(value) + '&';
				}

				return query.length ? query.substr(0, query.length - 1) : query;
			}
		});
	})