feat:完成功能

config.toml

@@ -0,0 +1,20 @@
+# Kafka配置
+[kafka]
+brokers = ["niit-node3:9092"]
+topic = "orders"
+send_interval = "1s"
+retry_max = 3
+retry_backoff_ms = 100
+version = "2.8.0"
+
+# 订单数据配置
+[order]
+categories = [
+  { name = "电子", items = ["手机", "笔记本电脑", "耳机", "平板", "相机"] },
+  { name = "服饰", items = ["T恤", "牛仔裤", "运动鞋", "外套", "连衣裙"] },
+  { name = "食品", items = ["饼干", "巧克力", "牛奶", "方便面", "坚果"] },
+  { name = "家居", items = ["沙发", "床垫", "餐桌", "椅子", "台灯"] },
+  { name = "图书", items = ["小说", "漫画", "教材", "杂志", "工具书"] }
+]
+scores = [80, 90, 100]
+valids = ["true", "false"]