* 基本配置/ 填寫服務器配置 按提示輸入信息,這個環節須要注意的是token微信會在線驗證,提早寫好攔截器java
攔截器代碼git
/***
* 微信驗籤攔截器
*/
public class WxAuthenticationInterceptor implements HandlerInterceptor {
/**
* 控制驗籤系統開閉
*/
private final Boolean isOpen; public WxAuthenticationInterceptor(Boolean isOpen) { this.isOpen = isOpen; } @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) { if (isOpen){ // 只攔截method級別的處理器 if (!(handler instanceof HandlerMethod)) return true; // 只攔截token註解過的方法 HandlerMethod handlerMethod = (HandlerMethod) handler; Method method = handlerMethod.getMethod(); // 判斷接口是否須要驗籤 WxSign signAnnotation = method.getAnnotation(WxSign.class); if (signAnnotation != null){ String url = RequestUtil.getParameters(request); if (StringUtils.isNotBlank(request.getParameter("signature"))) { String signature = request.getParameter("signature"); String timestamp = request.getParameter("timestamp"); String nonce = request.getParameter("nonce"); String echostr = request.getParameter("echostr"); //LOGGER.info("signature[{}], timestamp[{}], nonce[{}], echostr[{}]", signature, timestamp, nonce, echostr); if (SignUtil.checkSignature(signature, timestamp, nonce)) { System.err.println(url + "數據源爲微信後臺,將echostr[" + echostr + "]返回!");
return true;
}else{ throw new InfoException("驗籤錯誤"); } }else{ throw new InfoException("驗籤失敗"); } } } return true; } }
驗證地址bootstrap
@WxSign
@GetMapping(value = {"","wxVerify"})
@ResponseBody
public String index(HttpServletRequest request){
String echostr = request.getParameter("echostr");
return echostr;
}
SignUtil.javaapi
import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.Arrays; public class SignUtil { private static String token = "jiangxinpai";//這裏是自定義的token,需和你提交的token一致 /** * 校驗簽名 * * @param signature * 簽名 * @param timestamp * 時間戳 * @param nonce * 隨機數 * @return 布爾值 */ public static boolean checkSignature(String signature, String timestamp, String nonce) { String checktext = null; if (null != signature) { // 對ToKen,timestamp,nonce 按字典排序 String[] paramArr = new String[] { token, timestamp, nonce }; Arrays.sort(paramArr); // 將排序後的結果拼成一個字符串 String content = paramArr[0].concat(paramArr[1]).concat(paramArr[2]); try { MessageDigest md = MessageDigest.getInstance("SHA-1"); // 對接後的字符串進行sha1加密 byte[] digest = md.digest(content.toString().getBytes()); checktext = byteToStr(digest); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } } // 將加密後的字符串與signature進行對比 return checktext != null ? checktext.equals(signature.toUpperCase()) : false; } /** * 將字節數組轉化爲16進制字符串 * * @param byteArrays * 字符數組 * @return 字符串 */ private static String byteToStr(byte[] byteArrays) { String str = ""; for (int i = 0; i < byteArrays.length; i++) { str += byteToHexStr(byteArrays[i]); } return str; } /** * 將字節轉化爲十六進制字符串 * * @param myByte * 字節 * @return 字符串 */ private static String byteToHexStr(byte myByte) { char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; char[] tampArr = new char[2]; tampArr[0] = Digit[(myByte >>> 4) & 0X0F]; tampArr[1] = Digit[myByte & 0X0F]; String str = new String(tampArr); return str; } }
@GetMapping("/oauth") public String oauth(HttpServletRequest request, HttpServletResponse response, String code, String state){ //code說明 : code做爲換取access_token的票據,每次用戶受權帶上的code將不同,code只能使用一次,5分鐘未被使用自動過時。 /*錯誤返回碼說明以下: 返回碼 說明 10003 redirect_uri域名與後臺配置不一致 10004 此公衆號被封禁 10005 此公衆號並無這些scope的權限 10006 必須關注此測試號 10009 操做太頻繁了,請稍後重試 10010 scope不能爲空 10011 redirect_uri不能爲空 10012 appid不能爲空 10013 state不能爲空 10015 公衆號未受權第三方平臺,請檢查受權狀態 10016 不支持微信開放平臺的Appid,請使用公衆號Appid*/ WxAccessToken wxAccessToken = WxApiUtil.getAccessToken(code); if(wxAccessToken != null){ String userIp = RequestUtil.getIp(request); WxUserInfo userInfo = WxApiUtil.getUserInfo(wxAccessToken.getAccess_token(), wxAccessToken.getOpenid()); if(userInfo != null){ //預註冊帳號 try { User user = userFacadeService.registerWithWx(wxAccessToken.getOpenid(), wxAccessToken.getAccess_token() , userInfo.getNickname(), userInfo.getHeadimgurl(), userIp); if(user != null) { try { response.sendRedirect(Constant.AppUrl + "/pages/user/bootstrap/bind?userId=" + user.getUserId() + ""); } catch (IOException e) { e.printStackTrace(); } } }catch (Exception e){ try { response.sendRedirect(Constant.AppUrl + "/pages/user/bootstrap/login?pop=" + e.getMessage()); } catch (IOException ex) { ex.printStackTrace(); } } } } try { response.sendRedirect(Constant.AppUrl + "/pages/user/bootstrap/login?pop=" + "微信登陸受權失敗"); } catch (IOException e) { e.printStackTrace(); } return "ERROR"; }
WxApiUtil.java數組
public class WxApiUtil { private final static String appId = ""; private final static String appSecret = ""; public static String getAccessToken(){ /*grant_type 是 獲取access_token填寫client_credential appid 是 第三方用戶惟一憑證 secret 是 第三方用戶惟一憑證密鑰,即appsecret*/ String url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appId + "&secret=" + appSecret; String response = HttpUtil.get(url, null); return response; } public static void main(String[] args) { String accessToken = WxApiUtil.getAccessToken(); System.out.println(accessToken); } public static WxAccessToken getAccessToken(String code) { String url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + appId + "&secret=" + appSecret + "&code=" + code+ "&grant_type=authorization_code"; String response = HttpUtil.get(url, null); /*{ "access_token":"ACCESS_TOKEN", "expires_in":7200, "refresh_token":"REFRESH_TOKEN", "openid":"OPENID", "scope":"SCOPE" }*/ if(!response.contains("errcode")){ WxAccessToken wxAccessToken = JsonUtil.getModel(response, WxAccessToken.class); return wxAccessToken; }else { System.err.println("getAccessToken:" + response); } return null; } public static WxUserInfo getUserInfo(String accessToken, String openId){ /*{ "openid":" OPENID", " nickname": NICKNAME, "sex":"1", "province":"PROVINCE" "city":"CITY", "country":"COUNTRY", "headimgurl": "http://thirdwx.qlogo.cn/mmopen/g3MonUZtNHkdmzicIlibx6iaFqAc56vxLSUfpb6n5WKSYVY0ChQKkiaJSgQ1dZuTOgvLLrhJbERQQ4eMsv84eavHiaiceqxibJxCfHe/46", "privilege":[ "PRIVILEGE1" "PRIVILEGE2" ], "unionid": "o6_bmasdasdsad6_2sgVt7hMZOPfL" }*/ String url = "https://api.weixin.qq.com/sns/userinfo?access_token="+ accessToken + "&openid=" + openId + "&lang=zh_CN"; String response = HttpUtil.get(url, null); if(!response.contains("errcode")){ WxUserInfo wxUserInfo = JsonUtil.getModel(response, WxUserInfo.class); return wxUserInfo; }else{ System.err.println("getUserInfo:" + response); } return null; } }
到此就完成任務啦~ 微信用戶打開H5後請求獲取用戶信息,無感預註冊帳戶,等到受權結束後再讓用戶綁定手機號推廣碼等等信息,若是報錯了就重定向彈窗告知用戶。服務器