var url= 'http://localhost:8080/user/save',
  data={
      id:100,
      email:'[email protected]'
  },
  transFn=function(data) {
      return $.param(data);
  },
  config={
      headers:{'Content-Type':'application/x-www-form-urlencoded;charset=UTF-8'},   
      transformRequest: transFn
  };

  $http.post(url, data, config).
  success(function
 
(data, status, headers, config) {

  }).
  error(function(data, status, headers, config) {

  });