{"id":1037,"date":"2019-06-22T13:47:20","date_gmt":"2019-06-22T04:47:20","guid":{"rendered":"https:\/\/ito-u-oti.com\/?p=1037"},"modified":"2020-07-10T17:25:57","modified_gmt":"2020-07-10T08:25:57","slug":"post-1037","status":"publish","type":"post","link":"https:\/\/ito-u-oti.com\/?p=1037","title":{"rendered":"\u3010Spring Boot\u3011\u3010Mybatis\u3011Xml\u30d9\u30fc\u30b9\u3067\u5358\u4e00SQL\u306e\u30cd\u30b9\u30c8\u306b\u3088\u308b\u30de\u30c3\u30d4\u30f3\u30b0\u5b9f\u88c5"},"content":{"rendered":"\n

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\u30b3\u30fc\u30c9<\/h2>\n\n\n\n

DemoMapperXmlSepalete.java<\/h3>\n\n\n
\npackage com.example.demo.repository;\n\nimport org.apache.ibatis.annotations.Mapper;\nimport org.apache.ibatis.annotations.Param;\n\nimport com.example.demo.entity.Country;\n\n@Mapper\npublic interface DemoMapperXmlSepalate {\n\n    Country selectCountry(@Param("id")Integer id);\n    \n}\n<\/pre><\/div>\n\n\n
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DemoMapperXmlSepalete.xml<\/h3>\n\n\n
\n<?xml version="1.0" encoding="UTF-8" ?>\n<!DOCTYPE mapper\n        PUBLIC "-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN"\n        "http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd">\n<mapper namespace="com.example.demo.repository.DemoMapperXmlSepalate">\n    \n    <resultMap id="countryMap" type="com.example.demo.entity.Country" >\n    \n        <result column="country" property="country" \/>\n        <result column="last_update" property="lastUpdate" \/>\n        <association property="id" column="country_id" select="selectCountryId" \/>\n        <collection property="city" column="country_id" select="selectCity" \/>\n    \n    <\/resultMap>\n    <select\n        id="selectCountry"\n        resultMap="countryMap">\n        SELECT *\n        FROM\n            country\n        WHERE\n            country_id = #{id}\n    <\/select>\n    \n    <resultMap id="countryIdMap" type="com.example.demo.entity.CountryId" >\n        <result column="country_id" property="countryId" \/>\n    <\/resultMap>\n    <select\n        id="selectCountryId"\n        resultMap="countryIdMap">\n        SELECT *\n        FROM\n            country\n        WHERE\n            country_id = #{id}\n    <\/select>\n    \n    \n    <resultMap id="cityMap" type="com.example.demo.entity.City" >\n        <result column="city_id" property="cityId" \/>\n        <result column="city" property="city" \/>\n        <result column="last_update" property="lastUpdate" \/>\n        <collection property="address" column="city_id" select="selectAdress" \/>\n    <\/resultMap>\n    <select\n        id="selectCity"\n        resultMap="cityMap">\n        SELECT *\n        FROM\n            city\n        WHERE\n            country_id = #{id}\n    <\/select>\n    \n    <resultMap id="addressMap" type="com.example.demo.entity.Address" >\n    <result column="address_id" property="addressId" \/>\n        <result column="address" property="address" \/>\n        <result column="address2" property="address2" \/>\n        <result column="district" property="district" \/>\n        <result column="postal_code" property="postalCode" \/>\n        <result column="phone" property="phone" \/>\n        <result column="last_update" property="lastUpdate" \/>\n    <\/resultMap>\n    <select\n        id="selectAdress"\n        resultMap="addressMap">\n        SELECT *\n        FROM\n            address\n        WHERE\n            city_id = #{id}\n    <\/select>\n<\/mapper>\n<\/pre><\/div>\n\n\n
\u8aac\u660e<\/h2>\n\n\n\n
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\u7d50\u679c<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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