方法重载|同一方法传递不同数量参数问题

Others 2021-11-25 13:55:40 views: null

应用场景：一般来说是不同权限的用户 ，返回不同范围的信息（但字段相同）
例如管理员能看所有人的信息，而用户只能看此类自己的信息
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如果使将不需要的值传成null，然后在mybatis 的if条件语句判断一下就好了
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用方法重载，两个Mapper方法对应一个xml的Mybatis方法
service层
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Mapper层在这里插入图片描述
xml里
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成功！

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Origin blog.csdn.net/weixin_43889487/article/details/120964569
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