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请问为何数据库中的id要用varchar，而不是int? #15

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pengest opened this issue Mar 4, 2018 · 1 comment
Open

请问为何数据库中的id要用varchar，而不是int? #15

pengest opened this issue Mar 4, 2018 · 1 comment

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@pengest
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pengest commented Mar 4, 2018

而且我在添加用户的时候，添加后的用户id会是一大串英文
@codingXiaxw
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首先你要知道，保证ID不重复有两种方式:1.设置ID为int类型，然后让它自增长即可。2.设置ID为varchar，然后用UUID给它赋值(我的项目中采用的就是这种方式)。知道了我项目中的ID是采用UUID设置后，你该明白为什么你添加完用户后用户id会是一大串英文了吗？

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@codingXiaxw @pengest