添加查询公司类型列表 接口

client-api/src/main/java/org/jiayunet/controller/CompanyController.java

@@ -0,0 +1,29 @@
+package org.jiayunet.controller;
+
+import org.jiayunet.service.CompanyService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * 公司接口
+ *
+ * @author zk
+ */
+@RestController
+@RequestMapping("/company")
+public class CompanyController {
+    @Autowired
+    private CompanyService companyService;
+
+    /**
+     * 查询公司类型列表
+     */
+    @GetMapping("/types")
+    public List<String> listCompanyTypes() {
+        return companyService.listCompanyTypes();
+    }
+}

client-api/src/main/java/org/jiayunet/service/CompanyService.java

@@ -0,0 +1,33 @@
+package org.jiayunet.service;
+
+import org.jiayunet.mapper.CompanyMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * 公司服务
+ * <p>主要功能：公司信息查询</p>
+ * <p>依赖服务：无</p>
+ * <p>使用的表：bg_company</p>
+ *
+ * @author zk
+ */
+@Service
+public class CompanyService {
+    @Autowired
+    private CompanyMapper companyMapper;
+
+    /**
+     * 查询已完善公司(status=1)去重后的公司类型列表
+     * <p>Service层再次过滤NULL和空白值，兜底脏数据</p>
+     */
+    public List<String> listCompanyTypes() {
+        return companyMapper.selectDistinctCompanyTypes().stream()
+                .filter(StringUtils::hasText)
+                .collect(Collectors.toList());
+    }
+}

manager/src/main/java/org/jiayunet/mapper/CompanyMapper.java

@@ -21,4 +21,12 @@ public interface CompanyMapper extends CommonMapper<Company> {
      */
     @Select("SELECT * FROM bg_company WHERE status = 0 LIMIT #{limit} FOR UPDATE")
     List<Company> selectForUpdate(@Param("limit") int limit);
+
+    /**
+     * 查询已完善公司(status=1)去重后的公司类型
+     * <p>依赖复合索引 idx_status_type(status, company_type) 走松散索引扫描 + 覆盖索引，不回表</p>
+     * <p>NULL/空值的清洗交由 Service 层处理，SQL 只做分组去重</p>
+     */
+    @Select("SELECT company_type FROM bg_company WHERE status = 1 GROUP BY company_type")
+    List<String> selectDistinctCompanyTypes();
 }