主播信息入库添加 userId 字段，添加国家信息接口

src/main/java/com/yupi/springbootinit/controller/CommonController.java

@@ -0,0 +1,34 @@
+package com.yupi.springbootinit.controller;
+
+import com.yupi.springbootinit.common.BaseResponse;
+import com.yupi.springbootinit.common.ResultUtils;
+import com.yupi.springbootinit.model.vo.country.CountryInfoVO;
+import com.yupi.springbootinit.service.CountryInfoService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/*
+ * @author: ziin
+ * @date: 2025/6/13 13:44
+ */
+@RestController
+@RequestMapping("/common")
+@Slf4j
+@CrossOrigin
+public class CommonController {
+
+    @Resource
+    private CountryInfoService countryInfoService;
+
+    @PostMapping("country_info")
+    public BaseResponse<List<CountryInfoVO>> countryInfo() {
+
+        return ResultUtils.success(countryInfoService.getCountryList());
+    }
+}