From 3439f5bc518a5bdcbb758b656e79d778598efa25 Mon Sep 17 00:00:00 2001
From: "453530270@qq.com" <aa123456>
Date: Fri, 8 Mar 2024 11:30:28 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=E4=BB=A3=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .gitignore                                    |   1 +
 .idea/workspace.xml                           | 244 +++++++++++++-----
 .../main/java/bc/mm/core/dao/CountryDao.java  |   2 +
 .../core/service/impl/CountryServiceImpl.java |   4 +-
 pom.xml                                       |   6 +
 5 files changed, 195 insertions(+), 62 deletions(-)

diff --git a/.gitignore b/.gitignore
index ed57ec8..014ed50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ target/
 !.mvn/wrapper/maven-wrapper.jar
 !**/src/main/**/target/
 !**/src/test/**/target/
+！**/.idea
 
 ### STS ###
 .apt_generated
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 6e0dc61..b0a97ef 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,12 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="48484101-7a18-4278-bdb7-e43b4204d542" name="Default Changelist" comment="">
-      <change afterPath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CountryDao.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/ICountryService.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java" afterDir="false" />
+    <list default="true" id="48484101-7a18-4278-bdb7-e43b4204d542" name="Default Changelist" comment="jpa模式的dao">
+      <change afterPath="$PROJECT_DIR$/bcapi/src/main/java/bc/mm/mis/api/controller/v1/CountryController.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CrudDao.java" beforeDir="false" afterPath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CrudDao.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/bcapi/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/bcapi/pom.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CountryDao.java" beforeDir="false" afterPath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CountryDao.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/out/" />
     <ignored path="$PROJECT_DIR$/target/" />
@@ -31,8 +33,8 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CountryDao.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="220">
-              <caret line="10" column="15" selection-start-line="10" selection-start-column="15" selection-end-line="10" selection-end-column="15" />
+            <state relative-caret-position="198">
+              <caret line="9" column="10" selection-start-line="9" selection-start-column="10" selection-end-line="9" selection-end-column="10" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -43,8 +45,8 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/ICountryService.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="198">
-              <caret line="9" column="10" selection-start-line="9" selection-start-column="10" selection-end-line="9" selection-end-column="10" />
+            <state relative-caret-position="176">
+              <caret line="8" column="34" lean-forward="true" selection-start-line="8" selection-start-column="34" selection-end-line="8" selection-end-column="34" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -52,15 +54,55 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/bcapi/src/main/java/bc/mm/mis/api/controller/v1/CountryController.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="396">
+              <caret line="18" column="29" selection-start-line="18" selection-start-column="29" selection-end-line="18" selection-end-column="29" />
+              <folding>
+                <element signature="imports" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="374">
-              <caret line="17" column="35" selection-start-line="17" selection-start-column="35" selection-end-line="17" selection-end-column="35" />
+            <state relative-caret-position="396">
+              <caret line="20" lean-forward="true" selection-start-line="20" selection-end-line="20" />
+              <folding>
+                <element signature="imports" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/.gitignore">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="110">
+              <caret line="5" column="9" selection-start-line="5" selection-start-column="9" selection-end-line="5" selection-end-column="9" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/bcapi/pom.xml">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="594">
+              <caret line="27" column="30" selection-start-line="27" selection-start-column="30" selection-end-line="27" selection-end-column="30" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/bccommon/src/main/java/bc/mm/mis/common/utils/AjaxResult.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="207">
+              <caret line="9" column="23" selection-start-line="9" selection-start-column="13" selection-end-line="9" selection-end-column="23" />
               <folding>
                 <element signature="imports" expanded="true" />
-                <element signature="e#244#245#0" expanded="true" />
-                <element signature="e#271#272#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -92,7 +134,6 @@
         <option value="$PROJECT_DIR$/bcagent/pom.xml" />
         <option value="$PROJECT_DIR$/bccommon/src/main/java/bc/mm/mis/common/AgentAdminMenus.java" />
         <option value="$PROJECT_DIR$/bcapi/src/main/java/bc/mm/mis/api/BcApiApplication.java" />
-        <option value="$PROJECT_DIR$/bcapi/pom.xml" />
         <option value="$PROJECT_DIR$/bcapi/src/main/resources/logback-spring.xml" />
         <option value="$PROJECT_DIR$/bcapi/src/main/resources/application.properties" />
         <option value="$PROJECT_DIR$/bcapi/src/main/resources/banner.txt" />
@@ -104,14 +145,17 @@
         <option value="$PROJECT_DIR$/bctask/src/main/java/bc/mm/mis/task/BcTaskApplication.java" />
         <option value="$PROJECT_DIR$/bctask/src/main/resources/application.properties" />
         <option value="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/bean/Users.java" />
-        <option value="$PROJECT_DIR$/pom.xml" />
         <option value="$PROJECT_DIR$/bccore/pom.xml" />
         <option value="$PROJECT_DIR$/bccore/src/main/resources/application.properties" />
         <option value="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/bean/Country.java" />
         <option value="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CrudDao.java" />
-        <option value="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CountryDao.java" />
         <option value="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/ICountryService.java" />
+        <option value="$PROJECT_DIR$/pom.xml" />
+        <option value="$PROJECT_DIR$/bcapi/pom.xml" />
+        <option value="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CountryDao.java" />
+        <option value="$PROJECT_DIR$/bcapi/src/main/java/bc/mm/mis/api/controller/v1/CountryController.java" />
         <option value="$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java" />
+        <option value="$PROJECT_DIR$/.gitignore" />
       </list>
     </option>
   </component>
@@ -142,6 +186,59 @@
               <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
               <item name="bcjava" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
+              <item name="bcjava" type="462c0819:PsiDirectoryNode" />
+              <item name="bcapi" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
+              <item name="bcjava" type="462c0819:PsiDirectoryNode" />
+              <item name="bcapi" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
+              <item name="bcjava" type="462c0819:PsiDirectoryNode" />
+              <item name="bcapi" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
+              <item name="bcjava" type="462c0819:PsiDirectoryNode" />
+              <item name="bcapi" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
+              <item name="bcjava" type="462c0819:PsiDirectoryNode" />
+              <item name="bcapi" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="api" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
+              <item name="bcjava" type="462c0819:PsiDirectoryNode" />
+              <item name="bcapi" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="api" type="462c0819:PsiDirectoryNode" />
+              <item name="controller" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
+              <item name="bcjava" type="462c0819:PsiDirectoryNode" />
+              <item name="bcapi" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="resources" type="462c0819:PsiDirectoryNode" />
+            </path>
             <path>
               <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
               <item name="bcjava" type="462c0819:PsiDirectoryNode" />
@@ -197,6 +294,17 @@
               <item name="core" type="462c0819:PsiDirectoryNode" />
               <item name="service" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
+              <item name="bcjava" type="462c0819:PsiDirectoryNode" />
+              <item name="bccore" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="core" type="462c0819:PsiDirectoryNode" />
+              <item name="service" type="462c0819:PsiDirectoryNode" />
+              <item name="impl" type="462c0819:PsiDirectoryNode" />
+            </path>
             <path>
               <item name="BCoins Plat Manger Information System" type="b2602c69:ProjectViewProjectNode" />
               <item name="bcjava" type="462c0819:PsiDirectoryNode" />
@@ -295,7 +403,7 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1709705326078</updated>
-      <workItem from="1709705327787" duration="16261000" />
+      <workItem from="1709705327787" duration="17025000" />
     </task>
     <task id="LOCAL-00001" summary="补充springboot 结构">
       <created>1709706040716</created>
@@ -367,11 +475,18 @@
       <option name="project" value="LOCAL" />
       <updated>1709867348286</updated>
     </task>
-    <option name="localTasksCounter" value="11" />
+    <task id="LOCAL-00011" summary="jpa模式的dao">
+      <created>1709867732132</created>
+      <option name="number" value="00011" />
+      <option name="presentableId" value="LOCAL-00011" />
+      <option name="project" value="LOCAL" />
+      <updated>1709867732133</updated>
+    </task>
+    <option name="localTasksCounter" value="12" />
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="16261000" />
+    <option name="totallyTimeSpent" value="17025000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="1912" y="-7" width="1936" height="1056" extended-state="6" />
@@ -426,7 +541,8 @@
     <MESSAGE value="定时任务非web 方式启动" />
     <MESSAGE value="配置定时任务" />
     <MESSAGE value="创建bc核心jar" />
-    <option name="LAST_COMMIT_MESSAGE" value="创建bc核心jar" />
+    <MESSAGE value="jpa模式的dao" />
+    <option name="LAST_COMMIT_MESSAGE" value="jpa模式的dao" />
   </component>
   <component name="editorHistoryManager">
     <entry file="file://$PROJECT_DIR$/bcws/pom.xml">
@@ -477,16 +593,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/bccommon/src/main/java/bc/mm/mis/common/utils/AjaxResult.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="44">
-          <caret line="2" column="7" lean-forward="true" selection-start-line="2" selection-start-column="7" selection-end-line="2" selection-end-column="7" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/bccommon/src/main/java/bc/mm/mis/common/exception/BcException.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="66">
@@ -501,13 +607,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/bcapi/pom.xml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="374">
-          <caret line="17" column="52" lean-forward="true" selection-start-line="17" selection-start-column="52" selection-end-line="17" selection-end-column="52" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/bcapi/src/main/java/bc/mm/mis/api/BcApiApplication.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="220">
@@ -539,13 +638,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/.gitignore">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="242">
-          <caret line="11" column="9" lean-forward="true" selection-start-line="11" selection-start-column="9" selection-end-line="11" selection-end-column="9" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/bctask/src/main/resources/application.properties">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="220">
@@ -743,13 +835,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/pom.xml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="828">
-          <caret line="46" column="34" selection-start-line="46" selection-start-column="34" selection-end-line="46" selection-end-column="34" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/bccore/src/main/resources/application.properties">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="88">
@@ -808,17 +893,31 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CountryDao.java">
+    <entry file="file://$PROJECT_DIR$/pom.xml">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="220">
-          <caret line="10" column="15" selection-start-line="10" selection-start-column="15" selection-end-line="10" selection-end-column="15" />
+        <state relative-caret-position="652">
+          <caret line="52" column="39" selection-start-line="52" selection-start-column="39" selection-end-line="52" selection-end-column="39" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/bccommon/src/main/java/bc/mm/mis/common/utils/AjaxResult.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="207">
+          <caret line="9" column="23" selection-start-line="9" selection-start-column="13" selection-end-line="9" selection-end-column="23" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/ICountryService.java">
+    <entry file="file://$PROJECT_DIR$/bcapi/pom.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="594">
+          <caret line="27" column="30" selection-start-line="27" selection-start-column="30" selection-end-line="27" selection-end-column="30" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/dao/CountryDao.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="198">
           <caret line="9" column="10" selection-start-line="9" selection-start-column="10" selection-end-line="9" selection-end-column="10" />
@@ -828,18 +927,43 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/bcapi/src/main/java/bc/mm/mis/api/controller/v1/CountryController.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="396">
+          <caret line="18" column="29" selection-start-line="18" selection-start-column="29" selection-end-line="18" selection-end-column="29" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/ICountryService.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="176">
+          <caret line="8" column="34" lean-forward="true" selection-start-line="8" selection-start-column="34" selection-end-line="8" selection-end-column="34" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="374">
-          <caret line="17" column="35" selection-start-line="17" selection-start-column="35" selection-end-line="17" selection-end-column="35" />
+        <state relative-caret-position="396">
+          <caret line="20" lean-forward="true" selection-start-line="20" selection-end-line="20" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="e#244#245#0" expanded="true" />
-            <element signature="e#271#272#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/.gitignore">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="110">
+          <caret line="5" column="9" selection-start-line="5" selection-start-column="9" selection-end-line="5" selection-end-column="9" />
+        </state>
+      </provider>
+    </entry>
   </component>
   <component name="masterDetails">
     <states>
diff --git a/bccore/src/main/java/bc/mm/core/dao/CountryDao.java b/bccore/src/main/java/bc/mm/core/dao/CountryDao.java
index a224158..c850112 100644
--- a/bccore/src/main/java/bc/mm/core/dao/CountryDao.java
+++ b/bccore/src/main/java/bc/mm/core/dao/CountryDao.java
@@ -2,10 +2,12 @@ package bc.mm.core.dao;
 
 import bc.mm.core.bean.Country;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Component;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
 
+@Component
 @Repository
 public interface CountryDao extends JpaRepository {
     // find all
diff --git a/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java b/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java
index 7315f42..7f64ca3 100644
--- a/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java
+++ b/bccore/src/main/java/bc/mm/core/service/impl/CountryServiceImpl.java
@@ -11,9 +11,9 @@ import java.util.List;
 @Service
 public class CountryServiceImpl implements ICountryService {
     @Autowired
-    CountryDao countryDao;
+    private CountryDao countryDao;
+
 
-    @Override
     public List<Country> findAll() {
         return countryDao.findAll();
     }
diff --git a/pom.xml b/pom.xml
index f2172b0..122bde4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,6 +23,7 @@
     <properties>
         <java.version>1.8</java.version>
         <springboot.version>2.7.15</springboot.version>
+        <fastjson.version>2.0.7</fastjson.version>
     </properties>
 
     <dependencies>
@@ -46,6 +47,11 @@
             <artifactId>spring-boot-starter-data-jpa</artifactId>
             <version>2.0.9.RELEASE</version>
         </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>${fastjson.version}</version>
+        </dependency>
     </dependencies>
 
 </project>
\ No newline at end of file