first commit

src/main/java/com/kimgo/wepush/request/WeChatAPI.java

@@ -0,0 +1,46 @@
+package com.kimgo.wepush.request;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.kimgo.wepush.common.QyWeChatGetAccessTokenApiResponse;
+import okhttp3.HttpUrl;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.io.IOException;
+
+public class WeChatAPI {
+    private final Logger logger = LoggerFactory.getLogger(WeChatAPI.class);
+    public String getAccessToken(String corpid,String corpsecret){
+        OkHttpClient client = new OkHttpClient();
+
+        String url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken";
+        HttpUrl.Builder urlBuilder = HttpUrl.parse(url).newBuilder();
+        urlBuilder.addQueryParameter("corpid", corpid);
+        urlBuilder.addQueryParameter("corpsecret", corpsecret);
+
+        Request request = new Request.Builder()
+                .url(urlBuilder.build())
+                .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            String responseBody = response.body().string();
+            logger.info("get qyWeChat AccessToken responseBody: {}", responseBody);
+
+            ObjectMapper objectMapper1 = new ObjectMapper();
+            QyWeChatGetAccessTokenApiResponse qyWeChatGetAccessTokenApiResponse = objectMapper1.readValue(responseBody, QyWeChatGetAccessTokenApiResponse.class);
+            if (qyWeChatGetAccessTokenApiResponse.getErrcode() == 0){
+                logger.info("get qyWeChat AccessToken Success");
+                return qyWeChatGetAccessTokenApiResponse.getAccess_token();
+            } else {
+                logger.error("getAccessToken error: {}",qyWeChatGetAccessTokenApiResponse.getErrmsg());
+                return null;
+            }
+        } catch (IOException e) {
+            logger.error("getAccessToken error:",e);
+            return null;
+        }
+    }
+}
+