feat: 分库分表

src/main/resources/mapper/OrderConfigMapper.xml

@@ -0,0 +1,22 @@
+<?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="com.yupi.project.mapper.OrderConfigMapper">
+
+    <resultMap id="BaseResultMap" type="com.yupi.project.model.entity.OrderConfigDO">
+        <id property="id" column="id" jdbcType="INTEGER"/>
+        <id property="payTimeout" column="pay_timeout" jdbcType="INTEGER"/>
+    </resultMap>
+
+
+    <sql id="FIELDS">
+        id, pay_timeout
+    </sql>
+
+    <select id="selectById" parameterType="Integer" resultMap="BaseResultMap">
+        SELECT
+        <include refid="FIELDS" />
+        FROM order_config
+        WHERE id = #{id}
+    </select>
+
+</mapper>

src/main/resources/mapper/OrderMapper.xml

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+<?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="com.yupi.project.mapper.OrderMapper">
+
+    <resultMap id="BaseResultMap" type="com.yupi.project.model.entity.OrderDO">
+        <id property="userId" column="user_id" jdbcType="INTEGER"/>
+    </resultMap>
+
+
+    <insert id="insert" parameterType="OrderDO" useGeneratedKeys="true" keyProperty="id">
+        INSERT INTO orders (id, user_id)
+        VALUES (#{id}, #{userId})
+    </insert>
+
+</mapper>

src/main/resources/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>
+        <!-- 使用驼峰命名法转换字段。 -->
+        <setting name="mapUnderscoreToCamelCase" value="true"/>
+    </settings>
+
+    <typeAliases>
+        <typeAlias alias="Integer" type="java.lang.Integer"/>
+        <typeAlias alias="Long" type="java.lang.Long"/>
+        <typeAlias alias="HashMap" type="java.util.HashMap"/>
+        <typeAlias alias="LinkedHashMap" type="java.util.LinkedHashMap"/>
+        <typeAlias alias="ArrayList" type="java.util.ArrayList"/>
+        <typeAlias alias="LinkedList" type="java.util.LinkedList"/>
+    </typeAliases>
+
+</configuration>