[GitHub] [incubator-apisix] moonming commented on a change in pull request #846: plugin(grpc-transcode): support new options for `protocol buffer` encoding.

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moonming commented on a change in pull request #846: plugin(grpc-transcode): support new options for `protocol buffer` encoding.
URL: https://github.com/apache/incubator-apisix/pull/846#discussion_r346890969
 
 

 ##########
 File path: doc/plugins/grpc-transcoding-cn.md
 ##########
 @@ -107,3 +107,72 @@ Proxy-Connection: keep-alive
 
 这表示已成功代理。
 
+
+#### 使用 grpc-transcode 插件的 pb_option 选项
+
+在指定 route 中，代理 grpc 服务接口:
+
+**选项清单**
+ * 枚举类型
+    > enum_as_name
+    > enum_as_value
+
+ * 64位整型
+    > int64_as_number
+    > int64_as_string
+    > int64_as_hexstring
+
+ * 使用默认值
+    > auto_default_values
+    > no_default_values
+    > use_default_values
+    > use_default_metatable
+
+  * Hooks开关
+    > enable_hooks
+    > disable_hooks
+
+```shell
+curl http://127.0.0.1:9080/apisix/admin/routes/23 -X PUT -d '
+{
+    "methods": ["GET"],
+    "uri": "/zeebe/WorkflowInstanceCreate",
+    "service_protocol": "grpc",
+    "plugins": {
+        "grpc-transcode": {
+         "proto_id": "1",
+         "service": "gateway_protocol.Gateway",
+         "method": "CreateWorkflowInstance",
+         "pb_option":["int64_as_string"]
+        }
+    },
+    "upstream": {
+        "type": "roundrobin",
+        "nodes": {
+            "127.0.0.1:26500": 1
+        }
+    }
+}'
+```
+
+#### 测试
 
 Review comment:
   need add test cases in Travis CI.

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