angular.module('MyModule', [], function($httpProvider) {

  // Use x-www-form-urlencoded Content-Type

  $httpProvider.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded;charset=utf-8';

  /**

   * The workhorse; converts an object to x-www-form-urlencoded serialization.

   * @param {Object} obj

   * @return {String}

   */

  var param = function(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;

  };

  // Override $http service's default transformRequest

  $httpProvider.defaults.transformRequest = [function(data) {

    return angular.isObject(data) && String(data) !== '[object File]' ? param(data) : data;

  }];

});