一，官网:
官方文档:
https://pkg.go.dev/github.com/go-playground/validator/v10代码地址:
https://github.com/go-playground/validator二、常用标记说明
|
标记 |
标记说明 | 例 |
|---|---|---|
| required | 必填 | Field或Struct validate:"required" |
| omitempty | 空时忽略 | Field或Struct validate:"omitempty" |
| len | 长度 | Field validate:"len=0" |
| eq | 等于 | Field validate:"eq=0" |
| gt | 大于 | Field validate:"gt=0" |
| gte | 大于等于 | Field validate:"gte=0" |
| lt | 小于 | Field validate:"lt=0" |
| lte | 小于等于 | Field validate:"lte=0" |
| eqfield | 同一结构体字段相等 | Field validate:"eqfield=Field2" |
| nefield | 同一结构体字段不相等 | Field validate:"nefield=Field2" |
| gtfield | 大于同一结构体字段 | Field validate:"gtfield=Field2" |
| gtefield | 大于等于同一结构体字段 | Field validate:"gtefield=Field2" |
| ltfield | 小于同一结构体字段 | Field validate:"ltfield=Field2" |
| ltefield | 小于等于同一结构体字段 | Field validate:"ltefield=Field2" |
| eqcsfield | 跨不同结构体字段相等 | Struct1.Field validate:"eqcsfield=Struct2.Field2" |
| necsfield | 跨不同结构体字段不相等 | Struct1.Field validate:"necsfield=Struct2.Field2" |
| gtcsfield | 大于跨不同结构体字段 | Struct1.Field validate:"gtcsfield=Struct2.Field2" |
| gtecsfield | 大于等于跨不同结构体字段 | Struct1.Field validate:"gtecsfield=Struct2.Field2" |
| ltcsfield | 小于跨不同结构体字段 | Struct1.Field validate:"ltcsfield=Struct2.Field2" |
| ltecsfield | 小于等于跨不同结构体字段 | Struct1.Field validate:"ltecsfield=Struct2.Field2" |
| min | 最大值 | Field validate:"min=1" |
| max | 最小值 | Field validate:"max=2" |
| structonly | 仅验证结构体，不验证任何结构体字段 | Struct validate:"structonly" |
| nostructlevel | 不运行任何结构级别的验证 | Struct validate:"nostructlevel" |
| dive | 向下延伸验证，多层向下需要多个dive标记 | [][]string validate:"gt=0,dive,len=1,dive,required" |
| dive Keys & EndKeys | 与dive同时使用，用于对map对象的键的和值的验证，keys为键，endkeys为值 | map[string]string validate:"gt=0,dive,keys,eq=1\|eq=2,endkeys,required" |
| required_with | 其他字段其中一个不为空且当前字段不为空 | Field validate:"required_with=Field1 Field2" |
| required_with_all | 其他所有字段不为空且当前字段不为空 | Field validate:"required_with_all=Field1 Field2" |
| required_without | 其他字段其中一个为空且当前字段不为空 | Field `validate:"required_without=Field1 Field2" |
| required_without_all | 其他所有字段为空且当前字段不为空 | Field validate:"required_without_all=Field1 Field2" |
| isdefault | 是默认值 | Field validate:"isdefault=0" |
| oneof | 其中之一 | Field validate:"oneof=5 7 9" |
| containsfield | 字段包含另一个字段 | Field validate:"containsfield=Field2" |
| excludesfield | 字段不包含另一个字段 | Field validate:"excludesfield=Field2" |
| unique | 是否唯一，通常用于切片或结构体 | Field validate:"unique" |
| alphanum | 字符串值是否只包含 ASCII 字母数字字符 | Field validate:"alphanum" |
| alphaunicode | 字符串值是否只包含 unicode 字符 | Field validate:"alphaunicode" |
| alphanumunicode | 字符串值是否只包含 unicode 字母数字字符 | Field validate:"alphanumunicode" |
| numeric | 字符串值是否包含基本的数值 | Field validate:"numeric" |
| hexadecimal | 字符串值是否包含有效的十六进制 | Field validate:"hexadecimal" |
| hexcolor | 字符串值是否包含有效的十六进制颜色 | Field validate:"hexcolor" |
| lowercase | 符串值是否只包含小写字符 | Field validate:"lowercase" |
| uppercase | 符串值是否只包含大写字符 | Field validate:"uppercase" |
| 字符串值包含一个有效的电子邮件 | Field validate:"email" |
|
| json | 字符串值是否为有效的 JSON | Field validate:"json" |
| file | 符串值是否包含有效的文件路径，以及该文件是否存在于计算机上 | Field validate:"file" |
| url | 符串值是否包含有效的 url | Field validate:"url" |
| uri | 符串值是否包含有效的 uri | Field validate:"uri" |
| base64 | 字符串值是否包含有效的 base64值 | Field validate:"base64" |
| contains | 字符串值包含子字符串值 | Field validate:"contains=@" |
| containsany | 字符串值包含子字符串值中的任何字符 | Field validate:"containsany=abc" |
| containsrune | 字符串值包含提供的特殊符号值 | Field validate:"containsrune=☢" |
| excludes | 字符串值不包含子字符串值 | Field validate:"excludes=@" |
| excludesall | 字符串值不包含任何子字符串值 | Field validate:"excludesall=abc" |
| excludesrune | 字符串值不包含提供的特殊符号值 | Field validate:"containsrune=☢" |
| startswith | 字符串以提供的字符串值开始 | Field validate:"startswith=abc" |
| endswith | 字符串以提供的字符串值结束 | Field validate:"endswith=abc" |
| ip | 字符串值是否包含有效的 IP 地址 | Field validate:"ip" |
| ipv4 | 字符串值是否包含有效的 ipv4地址 | Field validate:"ipv4" |
| datetime | 字符串值是否包含有效的 日期 | Field validate:"datetime" |