package org.myframework.util;

import java.util.Enumeration;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

public class AjaxUtil {

private static Log log = LogFactory.getLog(AjaxUtil.class);

/**

* 从request中获取所有查询参数值并以&abc=123的方式返回

* @param request

* @return String

*/

public static String getUrlParam(HttpServletRequest request) {

StringBuffer urlParam = new StringBuffer("");

for (Enumeration elements = request.getParameterNames(); elements

.hasMoreElements();) {

String key = (String) elements.nextElement();

String value = request.getParameter(key);

urlParam.append("&" + key + "=" + value);

}

log.debug(urlParam.toString());

return urlParam.toString();

}

/**

* 从request中获取所有查询参数值并以JSON数组的方式返回

* @param request

* @return String

*/

public static String getJsonArray(HttpServletRequest request) {

StringBuffer urlParam = new StringBuffer("[");

for (Enumeration elements = request.getParameterNames(); elements

.hasMoreElements();) {

String key = (String) elements.nextElement();

String value = request.getParameter(key);

urlParam.append("{name:'" + key + "', value:'" + value + "'}");

}

urlParam.append("]");

log.debug(urlParam.toString());

return urlParam.toString();

}

}