[后端] 添加OpenFeign RPC框架；添加access微服务项目；添加进出码接口；添加postman-collection JSON

backend/microservice-provider-access-8002/src/main/resources/application-remote.yml

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+spring:
+  datasource:
+    url: jdbc:mysql://39.99.244.156:3306/epp?useUnicode=true&characterEncoding=utf8&useSSL=false
+    username: root
+    password: root

backend/microservice-provider-access-8002/src/main/resources/application.yml

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+server:
+  port: 8002
+
+# Mybatis 配置
+mybatis:
+  type-aliases-package: com.cxyxiaomo.epp.pojo
+  config-location: classpath:mybatis/mybatis-config.xml
+  mapper-locations: classpath:mybatis/mapper/*.xml
+
+# Spring 配置
+spring:
+  application:
+    name: microservice-provider-access
+  cloud:
+    nacos:
+      discovery:
+        server-addr: 127.0.0.1:8848
+  datasource:
+    type: com.alibaba.druid.pool.DruidDataSource
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://127.0.0.1:3306/epp?useUnicode=true&characterEncoding=utf8&useSSL=false
+    username: root
+    password: root

backend/microservice-provider-access-8002/src/main/resources/mybatis/mapper/AccessDao.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.cxyxiaomo.epp.access.dao.AccessDao">
+
+</mapper>

backend/microservice-provider-access-8002/src/main/resources/mybatis/mybatis-config.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE configuration
+        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-config.dtd">
+<configuration>
+    <settings>
+        <!--开启二级缓存-->
+        <setting name="cacheEnabled" value="true"/>
+    </settings>
+</configuration>