- 我们常见的字段类型：有符号的：int,int8,int16,int32,int64；无符号的：uint8,uint16,uint32,uint64；其中int跟具体机器环境有关，表示32位或者64位有符号整型
- 取值范围：
- int32: -2147483648～2147483647
- int64: -9223372036854775808～9223372036854775807
- uint32: 0～4294967295
- uint64: 0～18446744073709551615
- 一般如果不太关心取值范围的话，直接用int类型就行
- 如果求严谨就可以使用具体的位数类型，有一些常见的业务场景，我们一般约定
- 时间戳用int64或者uint64，如果用uint32存时间戳，最大时间为：2106-02-07 14:28:15
- 统计性质的变量，如果不能为负最好用uint32，一些json库(jsonpb)会把uint64序列化成string，为了避免这种情况最好是用uint32
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文章来源：智云一二三科技
文章标题：golang中数字字段的类型约定
文章地址：https://www.zhihuclub.com/109.shtml
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