随笔分类 -  spring boot——集成mybatis

摘要:POJO类不变: package com.test.entity; public class MyUser { private int id; private String name; private int age; public int getId() { return id; } public 阅读全文
posted @ 2022-05-22 17:56 小白龙白龙马
摘要:POJO类不变 mybatis映射文件不变。和之前一样。 <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/ 阅读全文
posted @ 2022-05-22 17:31 小白龙白龙马
摘要:POJO类不变 因为使用注解,mybatis文件不要动。和之前一样。 <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybati 阅读全文
posted @ 2022-05-22 17:06 小白龙白龙马
摘要:POJO类不变 使用@Insert注解后,mybatis映射文件就不维护了。和之前一样 <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http 阅读全文
posted @ 2022-05-22 16:23 小白龙白龙马
摘要:POJO类不变 mybatis映射文件: <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/myba 阅读全文
posted @ 2022-05-22 15:48 小白龙白龙马
摘要:POJO类不变 mybatis映射文件: <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/myba 阅读全文
posted @ 2022-05-22 15:02 小白龙白龙马
摘要:POJO类不变 mybatis映射文件: <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/myba 阅读全文
posted @ 2022-05-22 14:13 小白龙白龙马
摘要:POJO类不变 mybatis映射文件: <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/myba 阅读全文
posted @ 2022-05-21 22:41 小白龙白龙马
摘要:POJO类不变 usermapper增加一个方法: package com.test.mapper; import com.test.entity.MyUser; import org.apache.ibatis.annotations.Mapper; import org.apache.ibati 阅读全文
posted @ 2022-05-21 21:24 小白龙白龙马
摘要:CREATE TABLE `users` ( `id` int NOT NULL, `name` varchar(255) DEFAULT NULL, `age` int DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET 阅读全文
posted @ 2022-05-21 19:56 小白龙白龙马
摘要:下载网址:https://dev.mysql.com/downloads/mysql/ 在C盘建立文件夹mysql8,并发下载的压缩文件放进去,并解压: 新建my.ini配置文件,并输入如下内容: [client]# 设置mysql客户端默认字符集default-character-set=utf8 阅读全文
posted @ 2022-05-21 13:34 小白龙白龙马