添加DemoMapper.xml

amos-boot-module/amos-boot-module-api/amos-boot-module-jcs-api/src/main/java/org/amos/boot/module/jcs/api/mapper/DemoMapper.java

 package org.amos.boot.module.jcs.api.mapper;
 
-import org.amos.boot.module.jcs.api.entity.CbDemo;
-
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.amos.boot.module.jcs.api.entity.CbDemo;
 /**
  * @Description: 示例代码
  * @Author: amos-boot-biz
@@ -10,5 +9,5 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
  * @Version: V1.0
  */
 public interface DemoMapper extends BaseMapper<CbDemo>{
-
+    CbDemo selectOneBySeqNbr(Long seqNbr);
 }

amos-boot-module/amos-boot-module-api/amos-boot-module-jcs-api/src/main/java/org/amos/boot/module/jcs/api/service/IDemoService.java

@@ -12,5 +12,5 @@ import com.baomidou.mybatisplus.extension.service.IService;
  * @since 2021-05-27
  */
 public interface IDemoService extends IService<CbDemo> {
-
+    public CbDemo selectOneBySeqNbr(Long seqNbr);
 }

amos-boot-module/amos-boot-module-api/amos-boot-module-jcs-api/src/main/resources/mapper/DemoMapper.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper	namespace="org.amos.boot.module.jcs.api.mapper.DemoMapper">
+	<select id="selectOneBySeqNbr" resultType="org.amos.boot.module.jcs.api.entity.CbDemo">
+		select * from tb_demo where sequence_nbr = #{seqNbr};
+	</select>
+</mapper>

amos-boot-module/amos-boot-module-biz/amos-boot-module-jcs-biz/src/main/java/org/amos/boot/module/jcs/biz/controller/DemoController.java

@@ -8,6 +8,7 @@ import org.amos.boot.module.jcs.api.entity.CbDemo;
 import org.amos.boot.module.jcs.api.service.IDemoService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.typroject.tyboot.core.foundation.enumeration.UserType;
@@ -36,4 +37,11 @@ public class DemoController extends BaseController {
         List<CbDemo> lists = demoService.list();
         return CommonResponseUtil.success(lists);
     }
+
+    @TycloudOperation(needAuth = false, ApiLevel = UserType.AGENCY)
+    @GetMapping(value = "/demo/{seqNbr}")
+    public ResponseModel findOneBySeqNbr(@PathVariable("seqNbr") Long seqNbr) {
+        CbDemo demo = demoService.selectOneBySeqNbr(seqNbr);
+        return CommonResponseUtil.success(demo);
+    }
 }

amos-boot-module/amos-boot-module-biz/amos-boot-module-jcs-biz/src/main/java/org/amos/boot/module/jcs/biz/service/impl/DemoServiceImpl.java

@@ -20,4 +20,9 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class DemoServiceImpl extends ServiceImpl<DemoMapper, CbDemo> implements IDemoService {
 
+    @Override
+    public CbDemo selectOneBySeqNbr(Long seqNbr) {
+        CbDemo demo = this.getBaseMapper().selectOneBySeqNbr(seqNbr);
+        return demo;
+    }
 }