java response.setHeader（）浏览器添加跨域访问

java response.setHeader（）浏览器添加跨域访问

@RequestMapping("/querySaleSubject")

public @ResponseBody JSonArray querySaleSubject( Model model, HttpServletRequest request,

HttpServletResponse response) throws IOException {

response.setHeader("Access-Control-Allow-Origin", "*");//添加跨域访问

//查询所有销售主体

JSonArray SaleSubjectJson = this.jinFengbaseDataService.querySaleSubject();

return SaleSubjectJson;

}