客户端http请求参数转换为集合工具

客户端http请求参数转换为集合工具

import java.util.LinkedHashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;

/**
 * 获取客户端通过http请求传递的参数，将其存放于Map集合中
 *
 */
public class ParamsUtil {

	@SuppressWarnings("unchecked")
	public static Map<String, Object> requestParamMap(HttpServletRequest request) {
		java.util.Iterator iter = request.getParameterMap().entrySet().iterator();
		Map<String, Object> map = new LinkedHashMap<String, Object>();
		while (iter.hasNext()) {
			java.util.Map.Entry entry = (java.util.Map.Entry) iter.next();
			String key = StringUtil.strFiltrate(entry.getKey().toString());
			String[] checkboxValues = request.getParameterValues(key);
			String value = StringUtil.strFiltrate(request.getParameter(key)); // 这里能成功输出VAL值

			if (checkboxValues != null && checkboxValues.length > 1) {
				String checkboxV = "";
				for (int i = 0; i < checkboxValues.length; i++) {
					checkboxV += checkboxValues[i] + ",";
				}
				if (!"".equals(checkboxV)) {
					value = checkboxV.substring(0, checkboxV.length() - 1);
				}
			}

			map.put(key, StringUtil.strFiltrate(value)); // 添加安全过滤，替换非法字符
		}
		return map;
	}
}