Initial commit: backend code

src/main/java/com/example/building/BuildingApplication.java

@@ -0,0 +1,17 @@
+package com.example.building;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * 建材销售管家启动类
+ */
+@SpringBootApplication
+@MapperScan("com.example.building.mapper")
+public class BuildingApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(BuildingApplication.class, args);
+    }
+}