A lightweight model validator written in Go.
- Supports multiple language.
package main
import (
"fmt"
v "github.com/go-the-way/validator"
)
func main() {
result := v.New(&struct {
int `validate:"min(10,fail)"`
}{}).Validate()
fmt.Println(result.Passed)
fmt.Println(result.Messages())
}
package main
import (
"fmt"
v "github.com/go-the-way/validator"
"reflect"
)
func main() {
v.Custom("mycustom", func(value reflect.Value) (bool, string) { return false, "mycustom validation." })
vv := v.New(&struct {
Name string `validate:"custom(mycustom)"`
}{}).Validate()
fmt.Println(vv.Passed)
fmt.Println(vv.Messages())
}
Name | Support | Example | Description |
---|---|---|---|
Min | ([])(*)uint{8,64} , ([])(*)int{8,64} , ([])(*)float{32,64} |
validate:"min(N,invalid)" | Every value must be >= N |
Max | ([])(*)uint{8,64} , ([])(*)int{8,64} , ([])(*)float{32,64} |
validate:"max(N,invalid)" | Every value must be <= N |
Length | (*)string , (*)Array[(*)string] , (*)Slice[(*)string] |
validate:"length(N,invalid)" | (*)string : Value's Len must be == N (*)Array[(*)string] or (*)Slice[(*)string] : Every Value's Len must be == N |
ArrLength | (*)Array[(*)Any] , (*)Slice[(*)Any] |
validate:"arr_length(N,invalid)" | (*)Array[(*)Any] or (*)Slice[(*)Any] : Array or Slice's Len must be == N |
MinLength | (*)string , (*)Array[(*)string] , (*)Slice[(*)string] |
validate:"minlength(N,invalid)" | (*)string : Value's Len must be >= N (*)Array[(*)string] or (*)Slice[(*)string] : Every Value's Len must be >= N |
ArrMinLength | (*)Array[(*)Any] , (*)Slice[(*)Any] |
validate:"arr_minlength(N,invalid)" | (*)Array[(*)Any] or (*)Slice[(*)Any] : Array or Slice's Len must be >= N |
MaxLength | (*)string , (*)Array[(*)string] , (*)Slice[(*)string] |
validate:"maxlength(N,invalid)" | (*)string : Value's Len must be <= N (*)Array[(*)string] or (*)Slice[(*)string] : Every Value's Len must be <= N |
ArrMaxLength | (*)Array[(*)Any] , (*)Slice[(*)Any] |
validate:"arr_maxlength(N,invalid)" | (*)Array[(*)Any] or (*)Slice[(*)Any] : Array or Slice's Len must be <= N |
Enum | ([])(*)uint{8,64} , ([])(*)int{8,64} , ([])(*)float{32,64} , ([])(*)string |
validate:"enum(O,invalid)" | Every value must be one of O |
Regex | ([])(*)string |
validate:"regex(RE,invalid)" | Every value must be match RE |
Valid | *struct{} |
validate:"valid(T,invalid)" | Value must be not nil |
Custom | any |
validate:"custom(CUSTOM)" | CUSTOM validation |