feat:新增测试接口 轮询更新前端

router/api.py

@@ -1,4 +1,39 @@
-from flask import Blueprint
+from flask import Blueprint, jsonify
+from dao.kafka.util import get_KafkaConsumer, raw_Data_to_jsonstr
+from confluent_kafka import KafkaError
 
 api_bp = Blueprint('api', __name__)
 
+@api_bp.route('/readkafka', methods=['GET'])
+def readKafka():
+    consumer = get_KafkaConsumer()
+    # 订阅Kafka主题
+    consumer.subscribe(["orders"])
+    
+    # 读取Kafka消息
+    messages = []
+    try:
+        while True:
+            msg = consumer.poll(timeout=1.0)
+            if msg is None:
+                break
+            if msg.error():
+                if msg.error().code() == KafkaError._PARTITION_EOF:
+                    continue
+                else:
+                    print(msg.error())
+                    break
+            messages.append(raw_Data_to_jsonstr(msg.value().decode('utf-8')))
+            # 这里只读取最新的10条消息
+            if len(messages) >= 100:
+                break
+    finally:
+        # 取消订阅并关闭消费者
+        consumer.unsubscribe()
+        consumer.close()
+    
+    return jsonify(messages)
+
+@api_bp.route('/test', methods=['GET'])
+def test():
+    return jsonify({"message": "Hello, World!"})

router/page.py

@@ -6,3 +6,7 @@ page_bp = Blueprint('page', __name__)
 @page_bp.route('/')
 def index():
     return render_template('index.html')
+
+@page_bp.route('/show')
+def test():
+    return render_template('show.html')