1.微信公衆平臺下載解密工具,導入項目中,根據demo解密消息java
public static String streamToString(HttpServletRequest request) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(request.getInputStream())); StringBuilder sb = new StringBuilder(); String line; try { while ((line = reader.readLine()) != null) { sb.append(line); } } catch (IOException e) { e.printStackTrace(); } return sb.toString(); } /** * xml轉爲map集合 * * @param request * @param msg * @return * @throws IOException * @throws DocumentException */ public static Map<String, String> xmlToMap(HttpServletRequest request, Message msg) throws Exception { SAXReader reader = new SAXReader(); String token = ""; String encodingAesKey = ""; String appId = ""; //獲取加密消息xml字符串 /* String format = "<xml><ToUserName><![CDATA[toUser]]></ToUserName><Encrypt><![CDATA[%1$s]]></Encrypt></xml>"; Document document = reader.read(request.getInputStream()); Element rootElement = document.getRootElement(); Element encrypt = rootElement.element("Encrypt");*/ // String fromXML = String.format(format, encrypt.getText()); String fromXML = streamToString(request); //解密消息 WXBizMsgCrypt pc = new WXBizMsgCrypt(token, encodingAesKey, appId); //得到解密消息 String result = pc.decryptMsg(msg.getMsg_signature(), msg.getTimestamp(), msg.getNonce(), fromXML); Map<String, String> map = new HashMap<>(6); //將解密後的消息轉爲xml Document doc = DocumentHelper.parseText(result); Element root = doc.getRootElement(); List<Element> list = root.elements(); for (Element e : list) { map.put(e.getName(), e.getText()); } return map; }
package com.caisin.weixin.domain; import lombok.Data; @Data public class Message { private String signature; private String timestamp; private String nonce; private String openid; private String msg_signature; private String encrypt_type; }
2.將JDK中 jdkjrelibsecuritypolicyunlimited目錄中local_policy.jar和US_export_policy.jar兩個文件拷貝到 jdkjrelibsecurity目錄下
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