Java tutorial
/* * Copyright 2015-2102 RonCoo(http://www.roncoo.com) Group. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.roncoo.utils; import org.apache.commons.lang.StringUtils; import java.util.*; /** * <b>:API * </b> * @author Peter * <a href="http://www.roncoo.com">(www.roncoo.com)</a> */ public class MerchantApiUtil { /** * ???? * @param paramMap ??? * @param paySecret ?? * @return */ public static String getSign(Map<String, Object> paramMap, String paySecret) { SortedMap<String, Object> smap = new TreeMap<String, Object>(paramMap); StringBuffer stringBuffer = new StringBuffer(); for (Map.Entry<String, Object> m : smap.entrySet()) { Object value = m.getValue(); if (value != null && StringUtils.isNotBlank(String.valueOf(value))) { stringBuffer.append(m.getKey()).append("=").append(m.getValue()).append("&"); } } stringBuffer.delete(stringBuffer.length() - 1, stringBuffer.length()); String argPreSign = stringBuffer.append("&paySecret=").append(paySecret).toString(); String signStr = MD5Util.encode(argPreSign).toUpperCase(); return signStr; } /** * ?? * @param paramMap * @return */ public static String getParamStr(Map<String, Object> paramMap) { SortedMap<String, Object> smap = new TreeMap<String, Object>(paramMap); StringBuffer stringBuffer = new StringBuffer(); for (Map.Entry<String, Object> m : smap.entrySet()) { Object value = m.getValue(); if (value != null && StringUtils.isNotBlank(String.valueOf(value))) { stringBuffer.append(m.getKey()).append("=").append(value).append("&"); } } stringBuffer.delete(stringBuffer.length() - 1, stringBuffer.length()); return stringBuffer.toString(); } /** * ??? * @param paramMap ??? * @param paySecret ??? * @param signStr ?? * @return */ public static boolean isRightSign(Map<String, Object> paramMap, String paySecret, String signStr) { if (StringUtils.isBlank(signStr)) { return false; } String sign = getSign(paramMap, paySecret); if (signStr.equals(sign)) { return true; } else { return false; } } /** * ?HTML? * @param sParaTemp ? * @param strMethod ????post?get * @param strButtonName * @return ???HTML */ public static String buildRequest(Map<String, Object> sParaTemp, String strMethod, String strButtonName, String actionUrl) { //? List<String> keys = new ArrayList<String>(sParaTemp.keySet()); StringBuffer sbHtml = new StringBuffer(); sbHtml.append("<form id=\"rppaysubmit\" name=\"rppaysubmit\" action=\"" + actionUrl + "\" method=\"" + strMethod + "\">"); for (int i = 0; i < keys.size(); i++) { String name = (String) keys.get(i); Object object = sParaTemp.get(name); String value = ""; if (object != null) { value = (String) sParaTemp.get(name); } sbHtml.append("<input type=\"hidden\" name=\"" + name + "\" value=\"" + value + "\"/>"); } //submit???name sbHtml.append("<input type=\"submit\" value=\"" + strButtonName + "\" style=\"display:none;\"></form>"); sbHtml.append("<script>document.forms['rppaysubmit'].submit();</script>"); return sbHtml.toString(); } }