$http.post(url, data, [config]).success(function(){ ... });
$http.get(url, [config]).success(function(){ ... });
$http.get(url, [config]).success(function(){ ... });

response.setHeader("Access-Control-Allow-Origin", "*"); //允许所有域名访问
response.setHeader("Access-Control-Allow-Origin", "http://www.123.com"); //允许www.123.com访问

response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods","POST");
response.setHeader("Access-Control-Allow-Headers","x-requested-with,content-type");

$http.post('http://localhost/ajax/getAllIndustryCategoty.pt',{languageColumn:'name_eu'},{'Content-Type':'application/x-www-form-urlencoded'}).success(function(data){
  $scope.industries = data;
 });

$http.jsonp("http://localhost/sitesettings/getBadgeInfo.pt?jsonp=JSON_CALLBACK&siteid=137bd406").success(function(data){ ... });
// The name of the callback should be the string JSON_CALLBACK.

$http.jsonp("http://localhost/sitesettings/getBadgeInfo.pt?jsonp=badgeabc&siteid=137bd406");
function badgeabc(data){ ... }

public String execute() throws Exception { 
 String result = FAIL;
 response.setHeader("", "");
 SiteHandlerAction siteHandlerAction = (SiteHandlerAction)BeansFactory.getBean(SiteHandlerAction.class);
 BadgeHandlerAction badgeHandlerAction = (BadgeHandlerAction)BeansFactory.getBean(BadgeHandlerAction.class);
 if("".equals(siteid) || siteid == null || StringUtils.isBlank("jsonp")){
  result = FAIL;
 }else{
  Site site = siteHandlerAction.find(siteid);
  UserBadgeStatus userBadgeStatus = badgeHandlerAction.getUserBadgeStatus(site.getId());
  if(userBadgeStatus != null){
   result = "{\"t\":"+userBadgeStatus.getStyle()+",\"l\":"+userBadgeStatus.getSuspend_location()+",\"s\":"+site.getId()+"}";
   JSONObject jsonObj = JSONObject.fromObject(result);
   String json = jsonObj.toString();
   result = jsonp + "(" + json + ")";
  }
 }
 PrintWriter write = response.getWriter();
 write.print(result);
 write.flush();
 write.close();
 return NONE;
}

function getAdustryController($scope,$http){
 $http.get('http://localhost/ajax/getAllIndustryCategoty.pt?languageColumn=name_eu').success(function(data){
  $scope.industries = data;
 });
}

function getAdustryController($scope,$http){
 $http.post('http://localhost/ajax/getAllIndustryCategoty.pt',{languageColumn:'name_eu'},{'Content-Type':'application/x-www-form-urlencoded'}).success(function(data){
  $scope.industries = data;
 });
}

// java端支持跨域请求
public String execute(){
 response.setHeader("Access-Control-Allow-Origin", "*"); //允许哪些url可以跨域请求到本域
 response.setHeader("Access-Control-Allow-Methods","POST"); //允许的请求方法，一般是GET,POST,PUT,DELETE,OPTIONS
 response.setHeader("Access-Control-Allow-Headers","x-requested-with,content-type"); //允许哪些请求头

SiteHandlerAction SiteHandler = (SiteHandlerAction) BeansFactory.getBean(SiteHandlerAction.class);
List list = SiteHandler.getAllIndustryCategory(); //所有的分类集合
JSONArray jsonArray = JSONArray.fromObject(list); //将list转为json
String json = jsonArray.toString(); //转为json字符串
try {
 PrintWriter write = response.getWriter();
 write.print(json);
 write.close();
} catch (IOException e) {
 e.printStackTrace();
}
return NONE;
}