SpringBoot微信小程序授權(quán)登錄

一、appId

1.1、自己是管理者：微信公眾平臺(tái)，申請(qǐng)或登錄自己的微信小程序,在開(kāi)發(fā)者管理中即可看到
2.2、自己是開(kāi)發(fā)者：讓管理員將自己加入到小程序開(kāi)發(fā)者管理中，用管理者提供的appId和secret，否則沒(méi)有開(kāi)發(fā)權(quán)限

二、小程序登錄頁(yè)面

2.1、打開(kāi)HBuilderX開(kāi)發(fā)工具，新建一個(gè)uni-app項(xiàng)目

2.2、在項(xiàng)目根目錄下新建config文件夾，創(chuàng)建config.js文件，配置后臺(tái)訪問(wèn)路徑

// 配置后臺(tái)服務(wù)器訪問(wèn)地址：ip:端口/項(xiàng)目名 const hostUrl = '' export default {// 本地持久化存儲(chǔ)keyprojectKey: 'XinJiangBS',// api請(qǐng)求地址// #ifdef H5// H5 環(huán)境，配合menifest.json中的devServe配置來(lái)解決調(diào)試時(shí)的跨域問(wèn)題baseUrl: process.env.NODE_ENV === 'development' ? '/dev' : hostUrl,// #endifbaseUrl: hostUrl,// 鹽kSalt: 'XDSAKDSALMSD', }

2.3、新建簡(jiǎn)單的login.vue頁(yè)面，調(diào)用前端方法獲取后臺(tái)登錄需要用的code信息

<button @click="toLogin">獲取登錄code</button> // 可以將后臺(tái)接口統(tǒng)一寫(xiě)在common.js中，頁(yè)面統(tǒng)一引入 import { } from "@/api/common.js" methods:{toLogin(){uni.getProvider({service:'oauth',success:(provider) => {uni.login({success:(loginCode) =>{console.log("loginCode",loginCode);// todo 調(diào)用后臺(tái)登錄接口，參數(shù)code}})}})}, }

2.4、下載微信開(kāi)發(fā)者工具，并安裝

2.5、配置HBuilderX,點(diǎn)擊manifest.json，再點(diǎn)擊微信小程序配置appid

2.6、配置運(yùn)行小程序需要用到的微信開(kāi)發(fā)開(kāi)發(fā)者工具，點(diǎn)擊HBuilder上面工具欄中的：工具—設(shè)置—運(yùn)行配置，找到微信開(kāi)發(fā)者工具工具路徑，配置2.4中安裝安裝時(shí)的路徑

三、java代碼部分

1.新建微信小程序公用配置文件

@Component @Slf4j public class WxDataConfigure {/**小程序appId*/public static String appId = "";/**小程序的秘鑰*/public static String ** = "";/**商戶號(hào)*/public static String mch_id = "";/**商戶支付秘鑰V2*/public static String key = "";/**商戶支付秘鑰V3*/public static String keyV3 = "";/**退款用到*/public static String certUrl = "";/**商家轉(zhuǎn)賬到零錢*/public static String pemUrl = "";public static String privateKeyPath = "";public static String privateCertPath = "";public static String sn = "";/**商戶證書(shū)序列號(hào)*/public static String serial_no = "";/**回調(diào)通知地址(需內(nèi)網(wǎng)穿透測(cè)試)*/public static String notify_url = "";/**交易類型*/public static String trade_type = "JSAPI";/**統(tǒng)一下單API接口鏈接*/public static String url = "https://api.mch.weixin.qq.com/pay/unifiedorder";/**查詢訂單API接口鏈接*/public static String query_url = "https://api.mch.weixin.qq.com/pay/orderquery";/**退款接口*/public static String refund_url = "https://api.mch.weixin.qq.com/v3/refund/domestic/refunds";/**退款回調(diào)接口*/public static String refund_notify_url = "";/**商家轉(zhuǎn)賬到零錢*/public static String batches_url = "https://api.mch.weixin.qq.com/v3/transfer/batches";/*** 預(yù)支付* @return*/public static WxPayService unifiedOrderWxPayService() {log.info("======================初始化微信支付接口服務(wù)開(kāi)始======================");WxPayConfig payConfig = new WxPayConfig();payConfig.setAppId(appId);payConfig.setMchId(mch_id);payConfig.setMchKey(key);payConfig.setKeyPath(certUrl);payConfig.setTradeType(trade_type);WxPayService wxPayService = new WxPayServiceImpl();wxPayService.setConfig(payConfig);log.info("======================初始化微信支付接口服務(wù)完成======================");return wxPayService;}/*** 退款* @return*/public static WxPayService wxPayService() {//logger.info("======================初始化微信支付接口服務(wù)開(kāi)始======================");WxPayConfig payConfig = new WxPayConfig();payConfig.setAppId(appId);payConfig.setMchId(mch_id);payConfig.setPrivateKeyPath(privateKeyPath);payConfig.setNotifyUrl(refund_notify_url);payConfig.setApiV3Key(keyV3);payConfig.setPrivateCertPath(privateCertPath);payConfig.setCertSerialNo(serial_no);payConfig.setMchKey(key);payConfig.setKeyPath(certUrl);payConfig.setTradeType(trade_type);WxPayService wxPayService = new WxPayServiceImpl();wxPayService.setConfig(payConfig);//logger.info("======================初始化微信支付接口服務(wù)完成======================");return wxPayService;}

2.調(diào)用微信服務(wù)器接口的請(qǐng)求方法類

public class HttpRequest {//連接超時(shí)時(shí)間，默認(rèn)10秒private static final int socketTimeout = 10000;//傳輸超時(shí)時(shí)間，默認(rèn)30秒private static final int connectTimeout = 30000;/*** 向指定URL發(fā)送GET方法的請(qǐng)求** @param url 發(fā)送請(qǐng)求的URL* @param param 請(qǐng)求參數(shù)，請(qǐng)求參數(shù)應(yīng)該是 name1=value1&name2=value2 的形式。* @return URL 所代表遠(yuǎn)程資源的響應(yīng)結(jié)果*/public static String sendGet(String url, String param) {String result = "";BufferedReader in = null;try {String urlNameString = url + "?" + param;URL realUrl = new URL(urlNameString);// 打開(kāi)和URL之間的連接URLConnection connection = realUrl.openConnection();// 設(shè)置通用的請(qǐng)求屬性connection.setRequestProperty("accept", "*/*");connection.setRequestProperty("connection", "Keep-Alive");connection.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");// 建立實(shí)際的連接connection.connect();// 獲取所有響應(yīng)頭字段Map<String, List<String>> map = connection.getHeaderFields();// 遍歷所有的響應(yīng)頭字段for (String key : map.keySet()) {System.out.println(key + "--->" + map.get(key));}// 定義 BufferedReader輸入流來(lái)讀取URL的響應(yīng)in = new BufferedReader(new InputStreamReader(connection.getInputStream()));String line;while ((line = in.readLine()) != null) {result += line;}} catch (Exception e) {System.out.println("發(fā)送GET請(qǐng)求出現(xiàn)異常！" + e);e.printStackTrace();}// 使用finally塊來(lái)關(guān)閉輸入流finally {try {if (in != null) {in.close();}} catch (Exception e2) {e2.printStackTrace();}}return result;}/*** post請(qǐng)求** @throws IOException* @throws ClientProtocolException* @throws NoSuchAlgorithmException* @throws KeyStoreException* @throws KeyManagementException* @throws UnrecoverableKeyException*/public static String sendPost(String url, Object xmlObj) throws ClientProtocolException, IOException, UnrecoverableKeyException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException {HttpPost httpPost = new HttpPost(url);//解決XStream對(duì)出現(xiàn)雙下劃線的bugXStream xStreamForRequestPostData = new XStream(new DomDriver("UTF-8", new XmlFriendlyNameCoder("-_", "_")));xStreamForRequestPostData.alias("xml", xmlObj.getClass());//將要提交給API的數(shù)據(jù)對(duì)象轉(zhuǎn)換成XML格式數(shù)據(jù)Post給APIString postDataXML = xStreamForRequestPostData.toXML(xmlObj);System.out.println(postDataXML);//得指明使用UTF-8編碼，否則到API服務(wù)器XML的中文不能被成功識(shí)別StringEntity postEntity = new StringEntity(postDataXML, "UTF-8");httpPost.addHeader("Content-Type", "text/xml");httpPost.setEntity(postEntity);//設(shè)置請(qǐng)求器的配置RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(socketTimeout).setConnectTimeout(connectTimeout).build();httpPost.setConfig(requestConfig);HttpClient httpClient = HttpClients.createDefault();HttpResponse response = httpClient.execute(httpPost);HttpEntity entity = response.getEntity();String result = EntityUtils.toString(entity, "UTF-8");return result;}/*** http POST 請(qǐng)求** @param url:請(qǐng)求地址* @param body: body實(shí)體字符串* @param certPath: 證書(shū)路徑* @param password: 證書(shū)密碼* @return*/public static String httpPostReflect(String url, String body, InputStream certPath, String password) {String xmlRes = "{}";HttpClient client = createSSLClientCert(certPath, password);HttpPost httpost = new HttpPost(url);try {//所有請(qǐng)求的body都需采用UTF-8編碼 // StringEntity entity = new StringEntity(body,"UTF-8"); // httpost.setEntity(entity);//支付平臺(tái)所有的API僅支持JSON格式的請(qǐng)求調(diào)用，HTTP請(qǐng)求頭Content-Type設(shè)為application/jsonhttpost.addHeader("Connection", "keep-alive");httpost.addHeader("Accept", "*/*");httpost.addHeader("Content-Type", "application/json; charset=UTF-8");httpost.addHeader("Host", "api.mch.weixin.qq.com");httpost.addHeader("X-Requested-With", "XMLHttpRequest");httpost.addHeader("Cache-Control", "max-age=0");httpost.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");//httpost.addHeader("Authorization",Configure.sn + " " + data);httpost.setEntity(new StringEntity(body, "UTF-8"));HttpResponse response = client.execute(httpost);//所有響應(yīng)也采用UTF-8編碼String result = EntityUtils.toString(response.getEntity(), "UTF-8");xmlRes = result;} catch (ClientProtocolException e) {System.out.println(e);} catch (UnknownHostException e) {System.out.println(e);} catch (IOException e) {System.out.println(e);}return xmlRes;}/*** 創(chuàng)建帶證書(shū)的實(shí)例** @param certPath* @return*/public static CloseableHttpClient createSSLClientCert(InputStream certPath, String password) {try {KeyStore keyStore = KeyStore.getInstance("PKCS12");keyStore.load(certPath, password.toCharArray());certPath.close();SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {//信任所有public boolean isTrusted(X509Certificate[] chain,String authType) throws CertificateException {return true;}}).loadKeyMaterial(keyStore, password.toCharArray()).build();SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, new String[]{"TLSv1", "TLSv1.2"}, null, SSLConnectionSocketFactory.getDefaultHostnameVerifier());return HttpClients.custom().setSSLSocketFactory(sslsf).build();} catch (KeyManagementException e) {System.out.println(e);} catch (NoSuchAlgorithmException e) {System.out.println(e);} catch (KeyStoreException e) {System.out.println(e);} catch (FileNotFoundException e) {System.out.println(e);} catch (Exception e) {System.out.println(e);}return HttpClients.createDefault();}/*** 自定義證書(shū)管理器，信任所有證書(shū)** @author pc*/public static class MyX509TrustManager implements X509TrustManager {@Overridepublic void checkClientTrusted(java.security.cert.X509Certificate[] arg0, String arg1)throws CertificateException {}@Overridepublic void checkServerTrusted(java.security.cert.X509Certificate[] arg0, String arg1)throws CertificateException {}@Overridepublic java.security.cert.X509Certificate[] getAcceptedIssuers() {return null;}} }

3.微信登錄方法，返回用戶信息至前端

@Slf4j @RestController @RequestMapping("/wx/user") public class WxController {/*** //GET https://api.weixin.qq.com/sns/jscode2session?appid=APPID&secret=SECRET&js_code=JSCODE&grant_type=authorization_code* //https://api.weixin.qq.com/sns/jscode2session*/@GetMapping("/wxLogin")public Map<String,String> wxLogin(@RequestParam(name = "code",required = true) String code){//小程序登錄參數(shù)Get請(qǐng)求String openidParams = "appid=" + WxDataConfigure.appId + "&secret=" + WxDataConfigure.secret + "&js_code=" + code + "&grant_type=" + "authorization_code";String openidUrl = "https://api.weixin.qq.com/sns/jscode2session";//獲取接口調(diào)用憑證參數(shù)Get請(qǐng)求String accessTokenParams = "appid=" + WxDataConfigure.appId + "&secret=" + WxDataConfigure.secret + "&grant_type=" + "client_credential";String accessTokenUrl = "https://api.weixin.qq.com/cgi-bin/token";//http請(qǐng)求微信服務(wù)器String openIdResult = HttpRequest.sendGet(openidUrl, openidParams);String accessTokenResult = HttpRequest.sendGet(accessTokenUrl, accessTokenParams);JSONObject openIdJson = JSONObject.parseObject(openIdResult);JSONObject accessTokenJson = JSONObject.parseObject(accessTokenResult);//獲取openIdString openid =(String) openIdJson.get("openid");//會(huì)話秘鑰String session_key =(String) openIdJson.get("session_key");//獲取到的憑證String access_token =(String) accessTokenJson.get("access_token");Integer expiresIn =(Integer) accessTokenJson.get("expires_in");Map<String, String> infoMap = new HashMap<>();infoMap.put("openid",openid);infoMap.put("session_key",session_key);infoMap.put("access_token",access_token);infoMap.put("expiresIn",expiresIn.toString());return infoMap;} }

一個(gè)在學(xué)習(xí)的開(kāi)發(fā)者，勿噴，歡迎交流

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