{"id":14209,"date":"2023-12-04T00:50:16","date_gmt":"2023-12-03T16:50:16","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14209"},"modified":"2023-12-04T00:51:51","modified_gmt":"2023-12-03T16:51:51","slug":"mybatis-shi-ti-lei-zhong-de-shu-xing-ming-he-biao","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/mybatis-shi-ti-lei-zhong-de-shu-xing-ming-he-biao\/","title":{"rendered":"MyBatis \u5b9e\u4f53\u7c7b\u4e2d\u7684\u5c5e\u6027\u540d\u548c\u8868\u4e2d\u7684\u5b57\u6bb5\u540d\u4e0d\u4e00\u6837\uff0c\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"

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1. \u4f7f\u7528 ResultMap \u8fdb\u884c\u6620\u5c04\uff1a<\/h3>\n

\u5728 XML \u6620\u5c04\u6587\u4ef6\u4e2d\u901a\u8fc7 ResultMap \u914d\u7f6e\uff0c\u5c06\u5b9e\u4f53\u7c7b\u4e2d\u7684\u5c5e\u6027\u4e0e\u8868\u4e2d\u7684\u5b57\u6bb5\u8fdb\u884c\u6620\u5c04\u3002<\/p>\n

\u793a\u4f8b\uff1a<\/p>\n

public class User {\n    private Long userId; \/\/ \u5c5e\u6027\u540d\u4e0e\u8868\u5b57\u6bb5\u4e0d\u540c\n    private String userName;\n    \/\/ \u5176\u4ed6\u5c5e\u6027\u548c\u65b9\u6cd5...\n}\n<\/code><\/pre>\n
<!-- \u6620\u5c04\u914d\u7f6e -->\n<resultMap id=\"userResultMap\" type=\"User\">\n    <id property=\"userId\" column=\"user_id\"\/> <!-- \u5c06\u5b9e\u4f53\u7c7b\u5c5e\u6027\u4e0e\u8868\u5b57\u6bb5\u6620\u5c04 -->\n    <result property=\"userName\" column=\"user_name\"\/>\n    <!-- \u5176\u4ed6\u5c5e\u6027\u7684\u6620\u5c04 -->\n<\/resultMap>\n\n<!-- \u67e5\u8be2\u8bed\u53e5 -->\n<select id=\"getUserById\" resultMap=\"userResultMap\">\n    SELECT user_id, user_name FROM users WHERE user_id = #{userId}\n<\/select>\n<\/code><\/pre>\n
2. \u4f7f\u7528\u522b\u540d\uff1a<\/h3>\n
\u5728 SQL \u67e5\u8be2\u8bed\u53e5\u4e2d\u4f7f\u7528\u522b\u540d\uff0c\u5c06\u6570\u636e\u5e93\u5b57\u6bb5\u4e0e\u5b9e\u4f53\u7c7b\u5c5e\u6027\u540d\u5bf9\u5e94\u8d77\u6765\u3002<\/p>\n
public class User {\n    private Long id; \/\/ \u5c5e\u6027\u540d\u4e0e\u8868\u5b57\u6bb5\u4e0d\u540c\n    private String name;\n    \/\/ \u5176\u4ed6\u5c5e\u6027\u548c\u65b9\u6cd5...\n}\n<\/code><\/pre>\n
<!-- \u67e5\u8be2\u8bed\u53e5\u4e2d\u4f7f\u7528\u522b\u540d -->\n<select id=\"getUserById\" resultType=\"User\">\n    SELECT user_id AS id, user_name AS name FROM users WHERE user_id = #{userId}\n<\/select>\n<\/code><\/pre>\n
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