WebUtil

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;


public class WebUtil {

    public  static  String renderString(HttpServletResponse response,String string){
       try {
           response.setStatus(200);
           response.setContentType("application/json");
           response.setCharacterEncoding("utf-8");
           response.getWriter().print(string);
       } catch (IOException e) {
           throw new RuntimeException(e);
       }
       return null;
    }
}