/** 根据token计算signature验证是否为weixin服务端发送的消息 */
private static boolean checkWeixinReques(HttpServletRequest request) {
String signature = request.getParameter("signature");
String timestamp = request.getParameter("timestamp");
String nonce = request.getParameter("nonce");
if (signature != null && timestamp != null && nonce != null) {
String[] strSet = new String[] {TOKEN, timestamp, nonce};
java.util.Arrays.sort(strSet);
String key = "";
for (String string : strSet) {
key = key + string;
}
String pwd = WeixinUtil.sha1(key);
return pwd.equals(signature);
} else {
return false;
}
}
// 接收微信公众号接收的消息，处理后再做相应的回复
@RequestMapping(
value = "/weixin",
method = RequestMethod.POST,
produces = "text/html;charset=UTF-8")
@ResponseBody
public String replyMessage(HttpServletRequest request) {
// 仅处理微信服务端发的请求
if (checkWeixinReques(request)) {
Map<String, String> requestMap = WeixinUtil.parseXml(request);
Message message = WeixinUtil.mapToMessage(requestMap);
weixinService.addMessage(message); // 保存接受消息到数据库
String replyContent = Reply.WELCOME_CONTENT;
String type = message.getMsgType();
// 发送方帐号（open_id）
String fromUserName = requestMap.get("FromUserName");
if (type.equals(Message.TEXT)) { // 仅处理文本回复内容
String content = message.getContent(); // 消息内容
String[] cs = content.split("_"); // 消息内容都以下划线_分隔
if (cs.length == 2) {
int employeeid; // 员工编号
String process = cs[1]; // 操作
try {
employeeid = Integer.parseInt(cs[0]);
if ("出勤".equals(process)) {
replyContent = weixinService.getSingleAttendStringByemployeeId(employeeid);
} else if ("出勤历史".equals(process)) {
replyContent = weixinService.getAttendHistoryStringByemployeeId(employeeid);
} else if ("留言".equals(process)) {
replyContent = weixinService.getSingleEmployeeMessageByemployeeId(employeeid);
} else if ("留言历史".equals(process)) {
replyContent = weixinService.getEmployeeMessageHistoryByEmployeeId(employeeid);
} else if ("动态".equals(process)) {
replyContent = weixinService.getSingleDeptNewsByemployeeId(employeeid);
} else if ("动态历史".equals(process)) {
replyContent = weixinService.getDeptNewsHistoryByemployeeId(employeeid);
}
} catch (NumberFormatException e) {
replyContent = Reply.ERROR_CONTENT;
}
}
} else if (type.equals(Message.SCAN)) {
String eventKey = requestMap.get("EventKey");
if (eventKey.equals("1")) {
replyContent = "扫码签到被点击";
}
}
// 拼装回复消息
Reply reply = new Reply();
reply.setToUserName(message.getFromUserName());
reply.setFromUserName(message.getToUserName());
DateUtils dateUtils = new DateUtils();
Timestamp timestamp = dateUtils.converIntoNormal(new Date());
reply.setCreateTime(timestamp);
reply.setMsgType(Reply.TEXT);
reply.setContent(replyContent);
weixinService.addReply(reply); // 保存回复消息到数据库
// 将回复消息序列化为xml形式
String back = WeixinUtil.replyToXml(reply);
System.out.println(back);
return back;
} else {
return "error";
}
}