JSON ajax 页面输出工具

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.http.HttpServletResponse;

import org.json.JSONArray;
import org.json.JSONObject;

/**
 * Ajax 页面输出工具
 * @author panxiuyan
 *
 */

public final class AjaxResponsePrintUtil {
	
	
    /**
     * 输出 JSONObject
     * @param response
     * @param obj
     */
	public static void writer(final HttpServletResponse response,final JSONObject obj) {
		initReponse(response);
		PrintWriter pw = null;
		try {
			pw = response.getWriter();
			pw.write(obj.toString());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			throw new RuntimeException(e);
		}

	}

	/**
	 * 输出 JSONArray
	 * @param response
	 * @param obj
	 */
	public static void writer(final HttpServletResponse response, final JSONArray obj) {
		initReponse(response);
		PrintWriter pw = null;
		try {
			pw = response.getWriter();
			pw.write(obj.toString());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			throw new RuntimeException(e);
		}

	}

	private static void initReponse(HttpServletResponse response) {
		response.setContentType("text/xml; charset=UTF-8");
		response.setHeader("Cache-Control", "no-cache");
	}

}