修改图片上传

wisenergy-service/src/main/java/cn/wisenergy/service/util/Sign.java

-package cn.wisenergy.service.util;
-
-import okhttp3.HttpUrl;
-
-import java.io.UnsupportedEncodingException;
-import java.security.*;
-import java.util.Base64;
-
-public class Sign {
-
-    String schema = "WECHATPAY2-SHA256-RSA2048";
-    String url = "https://api.mch.weixin.qq.com/v3/certificates";
-    HttpUrl httpurl = HttpUrl.parse(url);
-    String yourMerchantId = "";
-    String yourCertificateSerialNo = "";
-
-
-    String getToken(String method, HttpUrl url, String body) throws UnsupportedEncodingException, SignatureException, NoSuchAlgorithmException, InvalidKeyException {
-        String nonceStr = "your nonce string";
-        long timestamp = System.currentTimeMillis() / 1000;
-        String message = buildMessage(method, url, timestamp, nonceStr, body);
-        String signature = sign(message.getBytes("utf-8"));
-
-        return "mchid=\"" + yourMerchantId + "\","
-                + "nonce_str=\"" + nonceStr + "\","
-                + "timestamp=\"" + timestamp + "\","
-                + "serial_no=\"" + yourCertificateSerialNo + "\","
-                + "signature=\"" + signature + "\"";
-    }
-
-    String sign(byte[] message) throws NoSuchAlgorithmException, SignatureException, InvalidKeyException {
-        Signature sign = Signature.getInstance("SHA256withRSA");
-        PrivateKey yourPrivateKey = null;
-        sign.initSign(yourPrivateKey);
-        sign.update(message);
-
-        return Base64.getEncoder().encodeToString(sign.sign());
-    }
-
-    String buildMessage(String method, HttpUrl url, long timestamp, String nonceStr, String body) {
-        String canonicalUrl = url.encodedPath();
-        if (url.encodedQuery() != null) {
-            canonicalUrl += "?" + url.encodedQuery();
-        }
-
-        return method + "\n"
-                + canonicalUrl + "\n"
-                + timestamp + "\n"
-                + nonceStr + "\n"
-                + body + "\n";
-    }
-}