循环向URL中添加参数

//String url = AppPropertiesUtil.getPropertyByName("pwdUrl");// 获取链接url// 向url中添加参数/*StringBuffer sb = null;if (params != null) {Iterator<String> it = params.keySet().iterator();while (it.hasNext()) {String key = it.next();String value = params.get(key);if (sb == null) {sb = new StringBuffer();sb.append(AppPropertiesUtil.getPropertyByName("pwdUrl"));sb.append("?");} else {sb.append("&");}sb.append(key);sb.append("=");sb.append(value);}}return sb.toString();*/