HoJe
男孩子你要加油阿javascript
準備材料微信支付須要的參數統一下單二維碼回調接口用到的工具類css
首先確定是要有微信的開發文檔
開發文檔地址
再而後就是一些必的參數
html
再而後就是微信的SDK
前端
上面的開發文檔你確定看熟了吧,流程確定會了吧,代碼怎麼寫呢?先來看看須要哪些參數吧.
java
好了知道流程了知道須要哪些參數了那我們動手吧!git
首頁你得有統一下單是url:https://api.mch.weixin.qq.com/pay/unifiedordergithub
1@Controller
2@RequestMapping("/wxpay")
3public class WXpayController {
4 @Autowired
5 private PayOrderService payOrderService;
6
7 /**
8 * 微信二維碼支付
9 */
10 @RequestMapping(value = "/nativePay")
11 public Map<String, String> createQRCode(HttpServletRequest request, HttpServletResponse response, String orderid) {
12 PayOrderDO payOrderDO = this.payOrderService.getOder(orderid);//訂單信息
13 //生成訂單對象
14 Map<String, String> request_data = new HashMap<>();
15 try {
16 Map<String, String> data = new HashMap<String, String>();
17 data.put("appid", WxConstants.APP_ID);//公衆帳號ID
18 data.put("mch_id",WxConstants.PARTNER);//商戶號
19 data.put("body", "測試");//商品詳情
20 data.put("out_trade_no",orderid);//訂單號
21 data.put("nonce_str", UuidUtil.get32UUID());//32位字符串
22 //轉換微信中存在最小計算單位是分的問題
23 BigDecimal payMoney = payOrderDO.getPayMoney();
24 BigDecimal bigDecimal = new BigDecimal(100);
25 BigDecimal amount = payMoney.multiply(bigDecimal).setScale(0, BigDecimal.ROUND_DOWN);
26 data.put("total_fee", String.valueOf(amount));//總金額
27 data.put("spbill_create_ip", IPUtils.getIpAddr(request));//用戶終端IP
28 data.put("trade_type", "NATIVE"); // H5支付的交易類型爲MWEB
29 data.put("notify_url", WxConstants.NOTIFY_URL);//通知地址
30 data.put("product_id",orderid );
31 String sign = createSign(data, WxConstants.PARTNER_KEY, WxConstants.CHARSET);
32 //調用生成簽名的方法,用以Map集合中的相關參數生成簽名 須要簽名密鑰
33 data.put("sign", sign);//簽名
34 String xml = WXPayUtil.generateSignedXml(data, WxConstants.PARTNER_KEY);//轉Xml格式 微信SDK自帶的
35
36 System.out.println("request - XML:" + xml);
37
38 String resultXML = HttpsClientUtil.doPost(WxConstants.BAUSE_URL, xml);//發送post請求 返回的是微信給咱們的xml格式的數據
39
40 System.out.println("result - XML:" + resultXML);
41
42 Map<String,String> result_map = xmlToMap(resultXML);
43 //xml轉map 微信SDK自帶的
44 String return_msg = result_map.get("return_msg");//返回信息
45 String return_code = result_map.get("return_code");//狀態碼
46 String result_code = result_map.get("result_code");//業務結果
47 if (null != result_map && "SUCCESS".equals(return_code) && "SUCCESS".equals(result_code)) {
48 request_data.put("url", result_map.get("code_url"));
49 }else{
50 request_data.put("url", "");
51 }
52
53 }catch (Exception e){
54 request_data.put("url", "");
55 }
56 return request_data;
57 }
本人本身寫的也可能不是很完美歡迎大家指出 送上更完美的demo 謝謝!!!web
QR碼是一種矩陣碼,或二維空間的條碼,1994年由日本Denso-Wave公司發明。QR是英文Quick Response的縮寫,即快速反應的意思,源自發明者但願QR碼可以讓其內容快速被解碼。QR碼常見於日本,併爲目前日本最流行的二維空間條碼。QR碼比普通條碼可儲存更多資料,亦無需像普通條碼般在掃描時需直線對準掃描器。
QR碼呈正方形,只有黑白兩色。在4個角落的其中3個,印有較小,像「回」字的的正方圖案。這3個是供解碼軟體做定位用的圖案,使用者無需對準,不管以任何角度掃描,資料仍可正確被讀取。
QR Code條碼的特色
1.高密度編碼,信息容量大:
可容納多達1850個大寫字母或2710個數字或1108個字節,或500多個漢字,比普通條碼信息容量約高几十倍。
2.編碼範圍廣:
該條碼能夠把圖片、聲音、文字、簽字、指紋等能夠數字化的信息進行編碼,用條碼錶示出來;能夠表示多種語言文字;可表示圖像數據。
3.容錯能力強,具備糾錯功能:
這使得二維條碼因穿孔、污損等引發局部損壞時,照樣能夠正確獲得識讀,損毀面積達50%仍可恢復信息。
4.譯碼可靠性高:
它比普通條碼譯碼錯誤率百萬分之二要低得多,誤碼率不超過千萬分之一。
5.可引入加密措施:
保密性、防僞性好。
6.成本低,易製做,持久耐用。
本人百度粘貼的阿!!!
廢話很少說了微信二維碼支付關鍵不就是個二維碼嘛!
數據庫
<script src="https://cdn.bootcss.com/qrious/4.0.2/qrious.js"></script>
<img id="qr"></img>
1(function() {
2 const qr = new QRious({
3 element: document.getElementById('qr'),
4 value: 'http://www.baidu.com/'
5 })
6})()
效果如圖
json
1/**
2 * 微信支付回調函數
3 * 支付成功後微信服務器會調用此方法,修改數據庫訂單狀態
4 */
5 @RequestMapping(value = "/notify")
6 public void wxPayCallBack(HttpServletRequest request, HttpServletResponse response) {
7 try {
8 InputStream inStream = request.getInputStream();
9 ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
10 byte[] buffer = new byte[1024];
11 int len = 0;
12 while ((len = inStream.read(buffer)) != -1) {
13 outSteam.write(buffer, 0, len);
14 }
15 outSteam.close();
16 inStream.close();
17 String result = new String(outSteam.toByteArray(), WxConstants.CHARSET);
18 Map<String, String> map = xmlToMap(result);
19 // 判斷簽名是否正確 微信SDK自帶的方法
20 if (WXPayUtil.isSignatureValid(map, WxConstants.PARTNER_KEY)) {
21 logger.info("微信支付成功回調");
22 // ------------------------------
23 // 處理業務開始
24 // ------------------------------
25 String resXml = "";
26 if ("SUCCESS".equals((String) map.get("result_code"))) {
27 // 這裏是支付成功
28 String orderNo = (String) map.get("out_trade_no");
29 logger.info("微信訂單號{}付款成功",orderNo);
30 //這裏 根據實際業務場景 作相應的操做 咱們這裏是更改數據庫訂單狀態
31 // 通知微信.異步確認成功.必寫.否則會一直通知後臺.八次以後就認爲交易失敗了.
32 resXml = "<xml>" + "<return_code><![CDATA[SUCCESS]]></return_code>" + "<return_msg><![CDATA[OK]]></return_msg>" + "</xml> ";
33 } else {
34 logger.info("支付失敗,錯誤信息:{}",packageParams.get("err_code"));
35 resXml = "<xml>" + "<return_code><![CDATA[FAIL]]></return_code>" + "<return_msg><![CDATA[報文爲空]]></return_msg>" + "</xml> ";
36 }
37 // ------------------------------
38 // 處理業務完畢
39 // ------------------------------
40 BufferedOutputStream out = new BufferedOutputStream(response.getOutputStream());
41 out.write(resXml.getBytes());
42 out.flush();
43 out.close();
44 } else {
45 System.out.println("通知簽名驗證失敗");
46 }
47
48
49 } catch (Exception e) {
50 e.printStackTrace();
51 logger.info("通知簽名驗證失敗");
52 }
53
54 }
1丶32位字符串
1public class UuidUtil {
2
3 public static String get32UUID() {
4 String uuid = UUID.randomUUID().toString().trim().replaceAll("-", "");
5 return uuid;
6 }
7}
2丶獲取用戶的終端ip
1/**
2 * IP地址
3 *
4 * @author HoJe
5 */
6public class IPUtils {
7 private static Logger logger = LoggerFactory.getLogger(IPUtils.class);
8
9 /**
10 * 獲取IP地址
11 *
12 * 使用Nginx等反向代理軟件, 則不能經過request.getRemoteAddr()獲取IP地址
13 * 若是使用了多級反向代理的話,X-Forwarded-For的值並不止一個,而是一串IP地址,X-Forwarded-For中第一個非unknown的有效IP字符串,則爲真實IP地址
14 */
15 public static String getIpAddr(HttpServletRequest request) {
16 String ip = null;
17 try {
18 ip = request.getHeader("x-forwarded-for");
19 if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
20 ip = request.getHeader("Proxy-Client-IP");
21 }
22 if (StringUtils.isEmpty(ip) || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
23 ip = request.getHeader("WL-Proxy-Client-IP");
24 }
25 if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
26 ip = request.getHeader("HTTP_CLIENT_IP");
27 }
28 if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
29 ip = request.getHeader("HTTP_X_FORWARDED_FOR");
30 }
31 if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
32 ip = request.getRemoteAddr();
33 }
34 } catch (Exception e) {
35 logger.error("IPUtils ERROR ", e);
36 }
37
38 //使用代理,則獲取第一個IP地址
39 if(StringUtils.isEmpty(ip) && ip.length() > 15) {
40 if(ip.indexOf(",") > 0) {
41 ip = ip.substring(0, ip.indexOf(","));
42 }
43 }
44
45 return ip;
46 }
47
48}
3丶生成簽名
1/**
2 * 生成簽名
3 * 這個方法是從微信sdk裏copy過來的,本身也能夠寫,要注意生成簽名後UTF-8的轉換,要否則容易報簽名Body UTF-8錯誤
4 *
5 * @param data 待簽名數據
6 * @param key API密鑰
7 * @param charset UTF-8
8 */
9 public static String createSign(final Map<String, String> data, String key, String charset) throws Exception {
10 return createSign(data, key, WXPayConstants.SignType.MD5, charset);
11 }
12
13 /**
14 * 生成簽名. 注意,若含有sign_type字段,必須和signType參數保持一致。
15 *
16 * @param data 待簽名數據
17 * @param key API密鑰
18 * @param signType 簽名方式
19 * @param charset UTF-8
20 * @return 簽名
21 */
22 private static String createSign(final Map<String, String> data, String key, WXPayConstants.SignType signType, String charset) throws Exception {
23 //根據規則建立可排序的map集合
24 Set<String> keySet = data.keySet();
25 String[] keyArray = keySet.toArray(new String[keySet.size()]);
26 Arrays.sort(keyArray);
27 StringBuilder sb = new StringBuilder();
28 for (String k : keyArray) {
29 if (k.equals(WXPayConstants.FIELD_SIGN)) {
30 continue;
31 }
32 if (data.get(k).trim().length() > 0){
33 sb.append(k).append("=").append(data.get(k).trim()).append("&");
34 } // 參數值爲空,則不參與簽名
35 }
36 sb.append("key=").append(key);
37 //轉換UTF-8
38 String str = new String(sb.toString().getBytes(charset));
39 if (WXPayConstants.SignType.MD5.equals(signType)) {
40 return MD5(sb.toString()).toUpperCase();
41 } else if (WXPayConstants.SignType.HMACSHA256.equals(signType)) {
42 return HMACSHA256(sb.toString(), key);
43 } else {
44 throw new Exception(String.format("Invalid sign_type: %s", signType));
45 }
46 }
47}
4丶http請求的工具 實際沒有用到不少方法有的是退款須要用到的
1/**
2 * http請求工具
3 *
4 *
5 *
6 *
7 */
8public class HttpsClientUtil {
9 private static PoolingHttpClientConnectionManager connMgr;
10 private static RequestConfig requestConfig;
11 private static final int MAX_TIMEOUT = 7000;
12
13 static {
14 // 設置鏈接池
15 connMgr = new PoolingHttpClientConnectionManager();
16 // 設置鏈接池大小
17 connMgr.setMaxTotal(100);
18 connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal());
19
20 RequestConfig.Builder configBuilder = RequestConfig.custom();
21 // 設置鏈接超時
22 configBuilder.setConnectTimeout(MAX_TIMEOUT);
23 // 設置讀取超時
24 configBuilder.setSocketTimeout(MAX_TIMEOUT);
25 // 設置從鏈接池獲取鏈接實例的超時
26 configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);
27 // 在提交請求以前 測試鏈接是否可用
28 configBuilder.setStaleConnectionCheckEnabled(true);
29 requestConfig = configBuilder.build();
30 }
31
32 /**
33 * 發送 GET 請求(HTTP),不帶輸入數據
34 *
35 * @param url
36 * @return
37 */
38 public static String doGet(String url) {
39 return doGet(url, new HashMap<String, Object>());
40 }
41
42 /**
43 * 發送 GET 請求(HTTP),K-V形式
44 *
45 * @param url
46 * @param params
47 * @return
48 */
49 public static String doGet(String url, Map<String, Object> params) {
50 String apiUrl = url;
51 StringBuffer param = new StringBuffer();
52 int i = 0;
53 for (String key : params.keySet()) {
54 if (i == 0)
55 param.append("?");
56 else
57 param.append("&");
58 param.append(key).append("=").append(params.get(key));
59 i++;
60 }
61 apiUrl += param;
62 String result = null;
63 HttpClient httpclient = new DefaultHttpClient();
64 try {
65 HttpGet httpPost = new HttpGet(apiUrl);
66 HttpResponse response = httpclient.execute(httpPost);
67 int statusCode = response.getStatusLine().getStatusCode();
68
69 System.out.println("執行狀態碼 : " + statusCode);
70
71 HttpEntity entity = response.getEntity();
72 if (entity != null) {
73 InputStream instream = entity.getContent();
74 result = IOUtils.toString(instream);
75 }
76 } catch (IOException e) {
77 e.printStackTrace();
78 }
79 return result;
80 }
81
82 /**
83 * 發送 POST 請求(HTTP),不帶輸入數據
84 *
85 * @param apiUrl
86 * @return
87 */
88 public static String doPost(String apiUrl) {
89 return doPost(apiUrl, new HashMap<String, Object>());
90 }
91
92 /**
93 * 發送 POST 請求(HTTP),K-V形式
94 *
95 * @param apiUrl API接口URL
96 * @param params 參數map
97 * @return
98 */
99 public static String doPost(String apiUrl, Map<String, Object> params) {
100 CloseableHttpClient httpClient = HttpClients.createDefault();
101 String httpStr = null;
102 HttpPost httpPost = new HttpPost(apiUrl);
103 CloseableHttpResponse response = null;
104
105 try {
106 httpPost.setConfig(requestConfig);
107 List<NameValuePair> pairList = new ArrayList<>(params.size());
108 for (Map.Entry<String, Object> entry : params.entrySet()) {
109 NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
110 .getValue().toString());
111 pairList.add(pair);
112 }
113 httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("UTF-8")));
114 response = httpClient.execute(httpPost);
115 System.out.println(response.toString());
116 HttpEntity entity = response.getEntity();
117 httpStr = EntityUtils.toString(entity, "UTF-8");
118 } catch (IOException e) {
119 e.printStackTrace();
120 } finally {
121 if (response != null) {
122 try {
123 EntityUtils.consume(response.getEntity());
124 } catch (IOException e) {
125 e.printStackTrace();
126 }
127 }
128 }
129 return httpStr;
130 }
131
132 /**
133 * 發送 POST 請求(HTTP),JSON形式
134 *
135 * @param apiUrl
136 * @param json json對象
137 * @return
138 */
139 public static String doPost(String apiUrl, Object json) {
140 CloseableHttpClient httpClient = HttpClients.createDefault();
141 String httpStr = null;
142 HttpPost httpPost = new HttpPost(apiUrl);
143 CloseableHttpResponse response = null;
144
145 try {
146 httpPost.setConfig(requestConfig);
147 StringEntity stringEntity = new StringEntity(json.toString(), "UTF-8");//解決中文亂碼問題
148 stringEntity.setContentEncoding("UTF-8");
149 stringEntity.setContentType("application/json");
150 httpPost.setEntity(stringEntity);
151 response = httpClient.execute(httpPost);
152 HttpEntity entity = response.getEntity();
153 System.out.println(response.getStatusLine().getStatusCode());
154 httpStr = EntityUtils.toString(entity, "UTF-8");
155 } catch (IOException e) {
156 e.printStackTrace();
157 } finally {
158 if (response != null) {
159 try {
160 EntityUtils.consume(response.getEntity());
161 } catch (IOException e) {
162 e.printStackTrace();
163 }
164 }
165 }
166 return httpStr;
167 }
168
169 /**
170 * 發送 SSL POST 請求(HTTPS),K-V形式
171 *
172 * @param apiUrl API接口URL
173 * @param params 參數map
174 * @return
175 */
176 public static String doPostSSL(String apiUrl, Map<String, Object> params) {
177 CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
178 HttpPost httpPost = new HttpPost(apiUrl);
179 CloseableHttpResponse response = null;
180 String httpStr = null;
181
182 try {
183 httpPost.setConfig(requestConfig);
184 List<NameValuePair> pairList = new ArrayList<NameValuePair>(params.size());
185 for (Map.Entry<String, Object> entry : params.entrySet()) {
186 NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
187 .getValue().toString());
188 pairList.add(pair);
189 }
190 httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("utf-8")));
191 response = httpClient.execute(httpPost);
192 int statusCode = response.getStatusLine().getStatusCode();
193 if (statusCode != HttpStatus.SC_OK) {
194 return null;
195 }
196 HttpEntity entity = response.getEntity();
197 if (entity == null) {
198 return null;
199 }
200 httpStr = EntityUtils.toString(entity, "utf-8");
201 } catch (Exception e) {
202 e.printStackTrace();
203 } finally {
204 if (response != null) {
205 try {
206 EntityUtils.consume(response.getEntity());
207 } catch (IOException e) {
208 e.printStackTrace();
209 }
210 }
211 }
212 return httpStr;
213 }
214
215 /**
216 * 發送 SSL POST 請求(HTTPS),JSON形式
217 *
218 * @param apiUrl API接口URL
219 * @param json JSON對象
220 * @return
221 */
222 public static String doPostSSL(String apiUrl, Object json) {
223 CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
224 HttpPost httpPost = new HttpPost(apiUrl);
225 CloseableHttpResponse response = null;
226 String httpStr = null;
227
228 try {
229 httpPost.setConfig(requestConfig);
230 StringEntity stringEntity = new StringEntity(json.toString(), "UTF-8");//解決中文亂碼問題
231 stringEntity.setContentEncoding("UTF-8");
232 stringEntity.setContentType("application/json");
233 httpPost.setEntity(stringEntity);
234 response = httpClient.execute(httpPost);
235 int statusCode = response.getStatusLine().getStatusCode();
236 if (statusCode != HttpStatus.SC_OK) {
237 return null;
238 }
239 HttpEntity entity = response.getEntity();
240 if (entity == null) {
241 return null;
242 }
243 httpStr = EntityUtils.toString(entity, "utf-8");
244 } catch (Exception e) {
245 e.printStackTrace();
246 } finally {
247 if (response != null) {
248 try {
249 EntityUtils.consume(response.getEntity());
250 } catch (IOException e) {
251 e.printStackTrace();
252 }
253 }
254 }
255 return httpStr;
256 }
257
258 /**
259 * 建立SSL安全鏈接
260 *
261 * @return
262 */
263 private static SSLConnectionSocketFactory createSSLConnSocketFactory() {
264 SSLConnectionSocketFactory sslsf = null;
265 try {
266 SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
267
268 public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
269 return true;
270 }
271 }).build();
272 sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {
273
274 @Override
275 public boolean verify(String arg0, SSLSession arg1) {
276 return true;
277 }
278
279 @Override
280 public void verify(String host, SSLSocket ssl) throws IOException {
281 }
282
283 @Override
284 public void verify(String host, X509Certificate cert) throws SSLException {
285 }
286
287 @Override
288 public void verify(String host, String[] cns, String[] subjectAlts) throws SSLException {
289 }
290 });
291 } catch (GeneralSecurityException e) {
292 e.printStackTrace();
293 }
294 return sslsf;
295 }
我這我的比較懶還有查詢,退款,jsapi支付,H5支付慢慢更新總結.
今天就到這裏了,拜拜