feat: first version.

This commit is contained in:
tx7do
2023-05-18 13:06:55 +08:00
parent 75fcd82de5
commit ba93a75c5a
20 changed files with 1703 additions and 1 deletions

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@@ -1 +1 @@
# kratos-utils
# kratos-utils

17
crypto/crypto.go Normal file
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package crypto
import (
"golang.org/x/crypto/bcrypt"
)
// HashPassword 加密密码
func HashPassword(password string) (string, error) {
bytes, err := bcrypt.GenerateFromPassword([]byte(password), 10)
return string(bytes), err
}
// CheckPasswordHash 校验密码
func CheckPasswordHash(password, hash string) bool {
err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
return err == nil
}

32
crypto/crypto_test.go Normal file
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package crypto
import (
"fmt"
"github.com/stretchr/testify/assert"
"strings"
"testing"
)
func TestHashPassword(t *testing.T) {
text := "admin"
hash, _ := HashPassword(text)
fmt.Println(hash)
}
func TestCheckPasswordHash(t *testing.T) {
text := "123456"
hash3 := "$2a$10$ygWrRwHCzg2GUpz0UK40kuWAGva121VkScpcdMNsDCih2U/bL2qYy"
bMatched := CheckPasswordHash(text, hash3)
assert.True(t, bMatched)
bMatched = CheckPasswordHash(text, hash3)
assert.True(t, bMatched)
}
func TestJwtToken(t *testing.T) {
const bearerWord string = "Bearer"
token := "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyX2lkIjowfQ.XgcKAAjHbA6o4sxxbEaMi05ingWvKdCNnyW9wowbJvs"
auths := strings.SplitN(token, " ", 2)
assert.Equal(t, len(auths), 2)
assert.Equal(t, strings.EqualFold(auths[0], bearerWord), true, "JWT token is missing")
}

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package mixin
import (
"entgo.io/contrib/entproto"
"entgo.io/ent"
"entgo.io/ent/dialect"
"entgo.io/ent/schema/field"
"entgo.io/ent/schema/index"
"entgo.io/ent/schema/mixin"
)
var _ ent.Mixin = (*AutoIncrementId)(nil)
type AutoIncrementId struct{ mixin.Schema }
func (AutoIncrementId) Fields() []ent.Field {
return []ent.Field{
field.Uint32("id").
Comment("id").
StructTag(`json:"id,omitempty"`).
SchemaType(map[string]string{
dialect.MySQL: "int",
dialect.Postgres: "serial",
}).
Annotations(
entproto.Field(1),
).
Positive().
Immutable().
Unique(),
}
}
// Indexes of the AutoIncrementId.
func (AutoIncrementId) Indexes() []ent.Index {
return []ent.Index{
index.Fields("id"),
}
}

85
entgo/mixin/operator.go Normal file
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package mixin
import (
"entgo.io/ent"
"entgo.io/ent/schema/field"
"entgo.io/ent/schema/mixin"
)
var _ ent.Mixin = (*CreateBy)(nil)
type CreateBy struct{ mixin.Schema }
func (CreateBy) Fields() []ent.Field {
return []ent.Field{
field.Int("create_by").
Comment("创建者").
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*UpdateBy)(nil)
type UpdateBy struct{ mixin.Schema }
func (UpdateBy) Fields() []ent.Field {
return []ent.Field{
field.Int("update_by").
Comment("更新者").
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*DeleteBy)(nil)
type DeleteBy struct{ mixin.Schema }
func (DeleteBy) Fields() []ent.Field {
return []ent.Field{
field.Int("delete_by").
Comment("删除者").
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*CreatedBy)(nil)
type CreatedBy struct{ mixin.Schema }
func (CreatedBy) Fields() []ent.Field {
return []ent.Field{
field.Int("created_by").
Comment("创建者").
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*UpdatedBy)(nil)
type UpdatedBy struct{ mixin.Schema }
func (UpdatedBy) Fields() []ent.Field {
return []ent.Field{
field.Int("updated_by").
Comment("更新者").
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*DeletedBy)(nil)
type DeletedBy struct{ mixin.Schema }
func (DeletedBy) Fields() []ent.Field {
return []ent.Field{
field.Int("deleted_by").
Comment("删除者").
Optional().
Nillable(),
}
}

122
entgo/mixin/time.go Normal file
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package mixin
import (
"time"
"entgo.io/ent"
"entgo.io/ent/schema/field"
"entgo.io/ent/schema/mixin"
)
var _ ent.Mixin = (*CreateTime)(nil)
type CreateTime struct{ mixin.Schema }
func (CreateTime) Fields() []ent.Field {
return []ent.Field{
// 创建时间,毫秒
field.Int64("create_time").
Comment("创建时间").
Immutable().
Optional().
Nillable().
DefaultFunc(time.Now().UnixMilli),
}
}
var _ ent.Mixin = (*UpdateTime)(nil)
type UpdateTime struct{ mixin.Schema }
func (UpdateTime) Fields() []ent.Field {
return []ent.Field{
// 更新时间,毫秒
// 需要注意的是,如果不是程序自动更新,那么这个字段不会被更新,除非在数据库里面下触发器更新。
field.Int64("update_time").
Comment("更新时间").
Optional().
Nillable().
UpdateDefault(time.Now().UnixMilli),
}
}
var _ ent.Mixin = (*DeleteTime)(nil)
type DeleteTime struct{ mixin.Schema }
func (DeleteTime) Fields() []ent.Field {
return []ent.Field{
// 删除时间,毫秒
field.Int64("delete_time").
Comment("删除时间").
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*Time)(nil)
type Time struct{ mixin.Schema }
func (Time) Fields() []ent.Field {
var fields []ent.Field
fields = append(fields, CreateTime{}.Fields()...)
fields = append(fields, UpdateTime{}.Fields()...)
fields = append(fields, DeleteTime{}.Fields()...)
return fields
}
var _ ent.Mixin = (*CreatedAt)(nil)
type CreatedAt struct{ mixin.Schema }
func (CreatedAt) Fields() []ent.Field {
return []ent.Field{
// 创建时间
field.Time("created_at").
Comment("创建时间").
Immutable().
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*UpdatedAt)(nil)
type UpdatedAt struct{ mixin.Schema }
func (UpdatedAt) Fields() []ent.Field {
return []ent.Field{
// 更新时间
field.Time("updated_at").
Comment("更新时间").
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*DeletedAt)(nil)
type DeletedAt struct{ mixin.Schema }
func (DeletedAt) Fields() []ent.Field {
return []ent.Field{
// 删除时间
field.Time("deleted_at").
Comment("删除时间").
Optional().
Nillable(),
}
}
var _ ent.Mixin = (*TimeAt)(nil)
type TimeAt struct{ mixin.Schema }
func (TimeAt) Fields() []ent.Field {
var fields []ent.Field
fields = append(fields, CreatedAt{}.Fields()...)
fields = append(fields, UpdatedAt{}.Fields()...)
fields = append(fields, DeletedAt{}.Fields()...)
return fields
}

31
entgo/mixin/uuid_id.go Normal file
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package mixin
import (
"entgo.io/ent"
"entgo.io/ent/schema/field"
"entgo.io/ent/schema/index"
"entgo.io/ent/schema/mixin"
"github.com/google/uuid"
)
var _ ent.Mixin = (*UuidId)(nil)
type UuidId struct{ mixin.Schema }
func (UuidId) Fields() []ent.Field {
return []ent.Field{
field.UUID("id", uuid.UUID{}).
Comment("id").
Default(uuid.New).
Unique().
Immutable().
StructTag(`json:"id,omitempty"`),
}
}
// Indexes of the UuidId.
func (UuidId) Indexes() []ent.Index {
return []ent.Index{
index.Fields("id"),
}
}

61
entgo/util.go Normal file
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package entgo
import (
"encoding/json"
"strings"
"entgo.io/ent/dialect/sql"
"kratos-utils/stringcase"
)
type WhereConditions []func(s *sql.Selector)
type OrderConditions []func(*sql.Selector)
// QueryCommandToSelector 查询命令转换为选择器
func QueryCommandToSelector(queryCmd, orderByCmd map[string]string) (WhereConditions, OrderConditions) {
var whereCond WhereConditions
var orderCond OrderConditions
if queryCmd != nil {
queryStr, ok := queryCmd["query"]
if ok {
var queryMap map[string]string
err := json.Unmarshal([]byte(queryStr), &queryMap)
if err == nil {
for k, v := range queryMap {
key := stringcase.ToSnakeCase(k)
value := v
whereCond = append(whereCond, func(s *sql.Selector) {
s.Where(sql.EQ(s.C(key), value))
})
}
}
}
}
if orderByCmd != nil {
orderByStr, ok := orderByCmd["orderBy"]
if ok {
var orderByMap map[string]string
err := json.Unmarshal([]byte(orderByStr), &orderByMap)
if err == nil {
for k, v := range orderByMap {
key := stringcase.ToSnakeCase(k)
switch strings.ToLower(v) {
case "desc", "descending", "descend":
orderCond = append(orderCond, func(s *sql.Selector) {
s.OrderBy(sql.Desc(s.C(key)))
})
case "asc", "ascending", "ascend":
orderCond = append(orderCond, func(s *sql.Selector) {
s.OrderBy(sql.Asc(s.C(key)))
})
}
}
}
}
}
return whereCond, orderCond
}

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geoip/GeoLite2-City.mmdb Normal file

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69
geoip/geoip.go Normal file
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package geoip
import (
_ "embed"
"errors"
"net"
"github.com/go-kratos/kratos/v2/log"
"github.com/oschwald/geoip2-golang"
)
//go:embed GeoLite2-City.mmdb
var geoipMmdbByte []byte
type Result struct {
Country string // 国家
Province string // 省
City string // 城市
}
// GeoIp 地理位置解析结构体
type GeoIp struct {
db *geoip2.Reader
outputLanguage string
}
// NewGeoIp .
func NewGeoIp() (geoip *GeoIp, err error) {
db, err := geoip2.FromBytes(geoipMmdbByte)
if err != nil {
return nil, err
}
return &GeoIp{db: db, outputLanguage: "zh-CN"}, nil
}
func (g *GeoIp) Close() (err error) {
return g.db.Close()
}
// SetLanguage 设置输出的语言默认为zh-CN
func (g *GeoIp) SetLanguage(code string) {
g.outputLanguage = code
}
func (g *GeoIp) query(rawIP string) (city *geoip2.City, err error) {
ip := net.ParseIP(rawIP)
if ip == nil {
return nil, errors.New("invalid ip")
}
return g.db.City(ip)
}
// GetAreaFromIP 通过IP获取地区
func (g *GeoIp) GetAreaFromIP(rawIP string) (ret Result, err error) {
record, err := g.query(rawIP)
if err != nil {
log.Fatal(err)
return ret, err
}
ret.Country = record.Country.Names[g.outputLanguage]
if len(record.Subdivisions) > 0 {
ret.Province = record.Subdivisions[0].Names[g.outputLanguage]
}
ret.City = record.City.Names[g.outputLanguage]
return
}

17
geoip/geoip_test.go Normal file
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package geoip
import (
"github.com/stretchr/testify/assert"
"testing"
)
func TestGeoIp(t *testing.T) {
g, err := NewGeoIp()
assert.Nil(t, err)
ret, err := g.GetAreaFromIP("47.108.149.89")
assert.Nil(t, err)
assert.Equal(t, ret.Country, "中国")
assert.Equal(t, ret.Province, "四川省")
assert.Equal(t, ret.City, "成都")
}

38
go.mod Normal file
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module kratos-utils
go 1.20
require (
entgo.io/contrib v0.4.5
entgo.io/ent v0.12.3
github.com/go-kratos/kratos/v2 v2.6.2
github.com/google/uuid v1.3.0
github.com/oschwald/geoip2-golang v1.8.0
github.com/stretchr/testify v1.8.2
golang.org/x/crypto v0.9.0
)
require (
ariga.io/atlas v0.10.2-0.20230427182402-87a07dfb83bf // indirect
github.com/agext/levenshtein v1.2.1 // indirect
github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/go-openapi/inflect v0.19.0 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/google/go-cmp v0.5.9 // indirect
github.com/hashicorp/hcl/v2 v2.13.0 // indirect
github.com/jhump/protoreflect v1.10.1 // indirect
github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 // indirect
github.com/mitchellh/mapstructure v1.5.0 // indirect
github.com/oschwald/maxminddb-golang v1.10.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/zclconf/go-cty v1.8.0 // indirect
go.uber.org/atomic v1.10.0 // indirect
go.uber.org/multierr v1.9.0 // indirect
golang.org/x/mod v0.10.0 // indirect
golang.org/x/sys v0.8.0 // indirect
golang.org/x/text v0.9.0 // indirect
golang.org/x/tools v0.8.1-0.20230428195545-5283a0178901 // indirect
google.golang.org/protobuf v1.28.1 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

188
go.sum Normal file
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ariga.io/atlas v0.10.2-0.20230427182402-87a07dfb83bf h1:Tq2DRB39ZHScIwWACjPKLv5oEErv7zv6PBb5RTz5CKA=
ariga.io/atlas v0.10.2-0.20230427182402-87a07dfb83bf/go.mod h1:+TR129FJZ5Lvzms6dvCeGWh1yR6hMvmXBhug4hrNIGk=
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
entgo.io/contrib v0.4.5 h1:BFaOHwFLE8WZjVJadP0XHCIaxgcC1BAtUvAyw7M/GHk=
entgo.io/contrib v0.4.5/go.mod h1:wpZyq2DJgthugFvDBlaqMXj9mV4/9ebyGEn7xlTVQqE=
entgo.io/ent v0.12.3 h1:N5lO2EOrHpCH5HYfiMOCHYbo+oh5M8GjT0/cx5x6xkk=
entgo.io/ent v0.12.3/go.mod h1:AigGGx+tbrBBYHAzGOg8ND661E5cxx1Uiu5o/otJ6Yg=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
github.com/agext/levenshtein v1.2.1 h1:QmvMAjj2aEICytGiWzmxoE0x2KZvE0fvmqMOfy2tjT8=
github.com/agext/levenshtein v1.2.1/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
github.com/apparentlymart/go-textseg/v13 v13.0.0 h1:Y+KvPE1NYz0xl601PVImeQfFyEy6iT90AvPUL1NNfNw=
github.com/apparentlymart/go-textseg/v13 v13.0.0/go.mod h1:ZK2fH7c4NqDTLtiYLvIkEghdlcqw7yxLeM89kiTRPUo=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/go-kratos/kratos/v2 v2.6.2 h1:9ar3d6tbci4GhqUsar18MB20hgFDOV70buDkWGUrX3M=
github.com/go-kratos/kratos/v2 v2.6.2/go.mod h1:xTeAeI9iYBP8MauISfxmRGSmKdDTLRQ3rbarKYmt6P4=
github.com/go-openapi/inflect v0.19.0 h1:9jCH9scKIbHeV9m12SmPilScz6krDxKRasNNSNPXu/4=
github.com/go-openapi/inflect v0.19.0/go.mod h1:lHpZVlpIQqLyKwJ4N+YSc9hchQy/i12fJykb83CRBH4=
github.com/go-test/deep v1.0.3 h1:ZrJSEWsXzPOxaZnFteGEfooLba+ju3FYIbOrS+rQd68=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gordonklaus/ineffassign v0.0.0-20200309095847-7953dde2c7bf/go.mod h1:cuNKsD1zp2v6XfE/orVX2QE1LC+i254ceGcVeDT3pTU=
github.com/hashicorp/hcl/v2 v2.13.0 h1:0Apadu1w6M11dyGFxWnmhhcMjkbAiKCv7G1r/2QgCNc=
github.com/hashicorp/hcl/v2 v2.13.0/go.mod h1:e4z5nxYlWNPdDSNYX+ph14EvWYMFm3eP0zIUqPc2jr0=
github.com/jhump/protoreflect v1.10.1 h1:iH+UZfsbRE6vpyZH7asAjTPWJf7RJbpZ9j/N3lDlKs0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=

5
pagination/pagination.go Normal file
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package pagination
func GetPageOffset(pageNum, pageSize int32) int {
return int((pageNum - 1) * pageSize)
}

119
stringcase/stringcase.go Normal file
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@@ -0,0 +1,119 @@
package stringcase
import (
"strings"
"unicode"
)
// ToSnakeCase 把字符转换为 蛇形命名法snake_case
func ToSnakeCase(input string) string {
if input == "" {
return input
}
if len(input) == 1 {
return strings.ToLower(input)
}
input = strings.Replace(input, " ", "", -1)
source := []rune(input)
dist := strings.Builder{}
dist.Grow(len(input) + len(input)/3) // avoid reallocation memory, 33% ~ 50% is recommended
skipNext := false
for i := 0; i < len(source); i++ {
cur := source[i]
switch cur {
case '-', '_':
dist.WriteRune('_')
skipNext = true
continue
}
if unicode.IsLower(cur) || unicode.IsDigit(cur) {
dist.WriteRune(cur)
continue
}
if i == 0 {
dist.WriteRune(unicode.ToLower(cur))
continue
}
last := source[i-1]
if (!unicode.IsLetter(last)) || unicode.IsLower(last) {
if skipNext {
skipNext = false
} else {
dist.WriteRune('_')
}
dist.WriteRune(unicode.ToLower(cur))
continue
}
// last is upper case
if i < len(source)-1 {
next := source[i+1]
if unicode.IsLower(next) {
if skipNext {
skipNext = false
} else {
dist.WriteRune('_')
}
dist.WriteRune(unicode.ToLower(cur))
continue
}
}
dist.WriteRune(unicode.ToLower(cur))
}
return dist.String()
}
// ToPascalCase 把字符转换为 帕斯卡命名/大驼峰命名法CamelCase
func ToPascalCase(input string) string {
return toCamelCase(input, true)
}
// ToLowCamelCase 把字符转换为 小驼峰命名法lowerCamelCase
func ToLowCamelCase(input string) string {
return toCamelCase(input, false)
}
func toCamelCase(s string, initCase bool) string {
s = strings.TrimSpace(s)
if s == "" {
return s
}
var uppercaseAcronym = map[string]string{}
if a, ok := uppercaseAcronym[s]; ok {
s = a
}
n := strings.Builder{}
n.Grow(len(s))
capNext := initCase
for i, v := range []byte(s) {
vIsCap := v >= 'A' && v <= 'Z'
vIsLow := v >= 'a' && v <= 'z'
if capNext {
if vIsLow {
v += 'A'
v -= 'a'
}
} else if i == 0 {
if vIsCap {
v += 'a'
v -= 'A'
}
}
if vIsCap || vIsLow {
n.WriteByte(v)
capNext = false
} else if vIsNum := v >= '0' && v <= '9'; vIsNum {
n.WriteByte(v)
capNext = true
} else {
capNext = v == '_' || v == ' ' || v == '-' || v == '.'
}
}
return n.String()
}

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@@ -0,0 +1,24 @@
package stringcase
import (
"fmt"
"testing"
)
func TestToLowCamelCase(t *testing.T) {
fmt.Println(ToLowCamelCase("snake_case"))
fmt.Println(ToLowCamelCase("CamelCase"))
fmt.Println(ToLowCamelCase("lowerCamelCase"))
}
func TestToPascalCase(t *testing.T) {
fmt.Println(ToPascalCase("snake_case"))
fmt.Println(ToPascalCase("CamelCase"))
fmt.Println(ToPascalCase("lowerCamelCase"))
}
func TestToSnakeCase(t *testing.T) {
fmt.Println(ToSnakeCase("snake_case"))
fmt.Println(ToSnakeCase("CamelCase"))
fmt.Println(ToSnakeCase("lowerCamelCase"))
}

139
time/util.go Normal file
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package util
import "time"
const (
TimeLayout = "2006-01-02 15:04:05"
DateLayout = "2006-01-02"
)
// UnixMilliToStringPtr 毫秒时间戳转字符串
func UnixMilliToStringPtr(tm *int64) *string {
if tm == nil {
return nil
}
str := time.UnixMilli(*tm).Format(TimeLayout)
return &str
}
// StringTimeToTime 字符串转时间
func StringTimeToTime(tm *string) *time.Time {
if tm == nil {
return nil
}
loc, _ := time.LoadLocation("Asia/Shanghai")
theTime, err := time.ParseInLocation(TimeLayout, *tm, loc)
if err != nil {
return nil
}
return &theTime
}
// StringDateToTime 字符串转时间
func StringDateToTime(tm *string) *time.Time {
if tm == nil {
return nil
}
loc, _ := time.LoadLocation("Asia/Shanghai")
theTime, err := time.ParseInLocation(DateLayout, *tm, loc)
if err != nil {
return nil
}
return &theTime
}
// StringToUnixMilliInt64Ptr 字符串转毫秒时间戳
func StringToUnixMilliInt64Ptr(tm *string) *int64 {
theTime := StringTimeToTime(tm)
if theTime == nil {
return nil
}
unixTime := theTime.UnixMilli()
return &unixTime
}
// GetCurrentDayTime 获取今天的时间
func GetCurrentDayTime() (time.Time, time.Time) {
now := time.Now()
startDate := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
endDate := time.Date(now.Year(), now.Month(), now.Day(), 23, 59, 59, 0, now.Location())
return startDate, endDate
}
// GetCurrentMonthTime 获取本月的时间
func GetCurrentMonthTime() (time.Time, time.Time) {
now := time.Now()
firstDay := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
lastDay := firstDay.AddDate(0, 1, -1)
endDate := time.Date(lastDay.Year(), lastDay.Month(), lastDay.Day(), 23, 59, 59, 0, now.Location())
return firstDay, endDate
}
// GetCurrentYearTime 获取今年的时间
func GetCurrentYearTime() (time.Time, time.Time) {
now := time.Now()
firstDay := time.Date(now.Year(), time.January, 1, 0, 0, 0, 0, now.Location())
lastDay := firstDay.AddDate(1, 0, -1)
endDate := time.Date(lastDay.Year(), lastDay.Month(), lastDay.Day(), 23, 59, 59, 0, now.Location())
return firstDay, endDate
}
// GetCurrentDayDateString 获取今天的日期字符串
func GetCurrentDayDateString() (string, string) {
firstDay, lastDay := GetCurrentDayTime()
startDate := firstDay.Format(DateLayout)
endDate := lastDay.Format(DateLayout)
return startDate, endDate
}
// GetCurrentMonthDateString 获取本月的日期字符串
func GetCurrentMonthDateString() (string, string) {
firstDay, lastDay := GetCurrentMonthTime()
startDate := firstDay.Format(DateLayout)
endDate := lastDay.Format(DateLayout)
return startDate, endDate
}
// GetCurrentYearDateString 获取今年的日期字符串
func GetCurrentYearDateString() (string, string) {
firstDay, lastDay := GetCurrentYearTime()
startDate := firstDay.Format(DateLayout)
endDate := lastDay.Format(DateLayout)
return startDate, endDate
}
// GetCurrentDayTimeString 获取今天的时间字符串
func GetCurrentDayTimeString() (string, string) {
firstDay, lastDay := GetCurrentDayTime()
startDate := firstDay.Format(TimeLayout)
endDate := lastDay.Format(TimeLayout)
return startDate, endDate
}
// GetCurrentMonthTimeString 获取本月的时间字符串
func GetCurrentMonthTimeString() (string, string) {
firstDay, lastDay := GetCurrentMonthTime()
startDate := firstDay.Format(TimeLayout)
endDate := lastDay.Format(TimeLayout)
return startDate, endDate
}
// GetCurrentYearTimeString 获取今年的时间字符串
func GetCurrentYearTimeString() (string, string) {
firstDay, lastDay := GetCurrentYearTime()
startDate := firstDay.Format(TimeLayout)
endDate := lastDay.Format(TimeLayout)
return startDate, endDate
}

43
time/util_test.go Normal file
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package util
import (
"fmt"
"testing"
"time"
"kratos-utils/trans"
)
func TestUnixMilliToStringPtr(t *testing.T) {
now := time.Now().UnixMilli()
str := UnixMilliToStringPtr(&now)
fmt.Println(now)
fmt.Println(*str)
fmt.Println(*UnixMilliToStringPtr(trans.Int64(1677135885288)))
fmt.Println(*UnixMilliToStringPtr(trans.Int64(1677647430853)))
fmt.Println(*UnixMilliToStringPtr(trans.Int64(1677647946234)))
fmt.Println(*StringToUnixMilliInt64Ptr(trans.String("2023-03-01 00:00:00")))
fmt.Println(*StringTimeToTime(trans.String("2023-03-01 00:00:00")))
fmt.Println(*StringDateToTime(trans.String("2023-03-01")))
}
func TestGetCurrentDateString(t *testing.T) {
fmt.Println(GetCurrentDayDateString())
fmt.Println(GetCurrentMonthDateString())
fmt.Println(GetCurrentYearDateString())
}
func TestGetCurrentTime(t *testing.T) {
fmt.Println(GetCurrentDayTime())
fmt.Println(GetCurrentMonthTime())
fmt.Println(GetCurrentYearTime())
}
func TestGetCurrentTimeString(t *testing.T) {
fmt.Println(GetCurrentDayTimeString())
fmt.Println(GetCurrentMonthTimeString())
fmt.Println(GetCurrentYearTimeString())
}

504
trans/trans.go Normal file
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@@ -0,0 +1,504 @@
package trans
import "time"
func String(a string) *string {
return &a
}
func StringValue(a *string) string {
if a == nil {
return ""
}
return *a
}
func Int(a int) *int {
return &a
}
func IntValue(a *int) int {
if a == nil {
return 0
}
return *a
}
func Int8(a int8) *int8 {
return &a
}
func Int8Value(a *int8) int8 {
if a == nil {
return 0
}
return *a
}
func Int16(a int16) *int16 {
return &a
}
func Int16Value(a *int16) int16 {
if a == nil {
return 0
}
return *a
}
func Int32(a int32) *int32 {
return &a
}
func Int32Value(a *int32) int32 {
if a == nil {
return 0
}
return *a
}
func Int64(a int64) *int64 {
return &a
}
func Int64Value(a *int64) int64 {
if a == nil {
return 0
}
return *a
}
func Bool(a bool) *bool {
return &a
}
func BoolValue(a *bool) bool {
if a == nil {
return false
}
return *a
}
func Uint(a uint) *uint {
return &a
}
func UintValue(a *uint) uint {
if a == nil {
return 0
}
return *a
}
func Uint8(a uint8) *uint8 {
return &a
}
func Uint8Value(a *uint8) uint8 {
if a == nil {
return 0
}
return *a
}
func Uint16(a uint16) *uint16 {
return &a
}
func Uint16Value(a *uint16) uint16 {
if a == nil {
return 0
}
return *a
}
func Uint32(a uint32) *uint32 {
return &a
}
func Uint32Value(a *uint32) uint32 {
if a == nil {
return 0
}
return *a
}
func Uint64(a uint64) *uint64 {
return &a
}
func Uint64Value(a *uint64) uint64 {
if a == nil {
return 0
}
return *a
}
func Float32(a float32) *float32 {
return &a
}
func Float32Value(a *float32) float32 {
if a == nil {
return 0
}
return *a
}
func Float64(a float64) *float64 {
return &a
}
func Float64Value(a *float64) float64 {
if a == nil {
return 0
}
return *a
}
func Time(a time.Time) *time.Time {
return &a
}
func TimeValue(a *time.Time) time.Time {
if a == nil {
return time.Now()
}
return *a
}
func IntSlice(a []int) []*int {
if a == nil {
return nil
}
res := make([]*int, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func IntValueSlice(a []*int) []int {
if a == nil {
return nil
}
res := make([]int, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Int8Slice(a []int8) []*int8 {
if a == nil {
return nil
}
res := make([]*int8, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Int8ValueSlice(a []*int8) []int8 {
if a == nil {
return nil
}
res := make([]int8, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Int16Slice(a []int16) []*int16 {
if a == nil {
return nil
}
res := make([]*int16, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Int16ValueSlice(a []*int16) []int16 {
if a == nil {
return nil
}
res := make([]int16, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Int32Slice(a []int32) []*int32 {
if a == nil {
return nil
}
res := make([]*int32, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Int32ValueSlice(a []*int32) []int32 {
if a == nil {
return nil
}
res := make([]int32, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Int64Slice(a []int64) []*int64 {
if a == nil {
return nil
}
res := make([]*int64, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Int64ValueSlice(a []*int64) []int64 {
if a == nil {
return nil
}
res := make([]int64, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func UintSlice(a []uint) []*uint {
if a == nil {
return nil
}
res := make([]*uint, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func UintValueSlice(a []*uint) []uint {
if a == nil {
return nil
}
res := make([]uint, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Uint8Slice(a []uint8) []*uint8 {
if a == nil {
return nil
}
res := make([]*uint8, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Uint8ValueSlice(a []*uint8) []uint8 {
if a == nil {
return nil
}
res := make([]uint8, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Uint16Slice(a []uint16) []*uint16 {
if a == nil {
return nil
}
res := make([]*uint16, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Uint16ValueSlice(a []*uint16) []uint16 {
if a == nil {
return nil
}
res := make([]uint16, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Uint32Slice(a []uint32) []*uint32 {
if a == nil {
return nil
}
res := make([]*uint32, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Uint32ValueSlice(a []*uint32) []uint32 {
if a == nil {
return nil
}
res := make([]uint32, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Uint64Slice(a []uint64) []*uint64 {
if a == nil {
return nil
}
res := make([]*uint64, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Uint64ValueSlice(a []*uint64) []uint64 {
if a == nil {
return nil
}
res := make([]uint64, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Float32Slice(a []float32) []*float32 {
if a == nil {
return nil
}
res := make([]*float32, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Float32ValueSlice(a []*float32) []float32 {
if a == nil {
return nil
}
res := make([]float32, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func Float64Slice(a []float64) []*float64 {
if a == nil {
return nil
}
res := make([]*float64, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func Float64ValueSlice(a []*float64) []float64 {
if a == nil {
return nil
}
res := make([]float64, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func StringSlice(a []string) []*string {
if a == nil {
return nil
}
res := make([]*string, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func StringSliceValue(a []*string) []string {
if a == nil {
return nil
}
res := make([]string, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}
func BoolSlice(a []bool) []*bool {
if a == nil {
return nil
}
res := make([]*bool, len(a))
for i := 0; i < len(a); i++ {
res[i] = &a[i]
}
return res
}
func BoolSliceValue(a []*bool) []bool {
if a == nil {
return nil
}
res := make([]bool, len(a))
for i := 0; i < len(a); i++ {
if a[i] != nil {
res[i] = *a[i]
}
}
return res
}

169
trans/trans_test.go Normal file
View File

@@ -0,0 +1,169 @@
package trans
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func Test_Trans(t *testing.T) {
str := String("tea")
strVal := StringValue(str)
assert.Equal(t, "tea", strVal)
assert.Equal(t, "", StringValue(nil))
strSlice := StringSlice([]string{"tea"})
strSliceVal := StringSliceValue(strSlice)
assert.Equal(t, []string{"tea"}, strSliceVal)
assert.Nil(t, StringSlice(nil))
assert.Nil(t, StringSliceValue(nil))
b := Bool(true)
bVal := BoolValue(b)
assert.Equal(t, true, bVal)
assert.Equal(t, false, BoolValue(nil))
bSlice := BoolSlice([]bool{false})
bSliceVal := BoolSliceValue(bSlice)
assert.Equal(t, []bool{false}, bSliceVal)
assert.Nil(t, BoolSlice(nil))
assert.Nil(t, BoolSliceValue(nil))
f64 := Float64(2.00)
f64Val := Float64Value(f64)
assert.Equal(t, 2.00, f64Val)
assert.Equal(t, float64(0), Float64Value(nil))
f32 := Float32(2.00)
f32Val := Float32Value(f32)
assert.Equal(t, float32(2.00), f32Val)
assert.Equal(t, float32(0), Float32Value(nil))
f64Slice := Float64Slice([]float64{2.00})
f64SliceVal := Float64ValueSlice(f64Slice)
assert.Equal(t, []float64{2.00}, f64SliceVal)
assert.Nil(t, Float64Slice(nil))
assert.Nil(t, Float64ValueSlice(nil))
f32Slice := Float32Slice([]float32{2.00})
f32SliceVal := Float32ValueSlice(f32Slice)
assert.Equal(t, []float32{2.00}, f32SliceVal)
assert.Nil(t, Float32Slice(nil))
assert.Nil(t, Float32ValueSlice(nil))
i := Int(1)
iVal := IntValue(i)
assert.Equal(t, 1, iVal)
assert.Equal(t, 0, IntValue(nil))
i8 := Int8(int8(1))
i8Val := Int8Value(i8)
assert.Equal(t, int8(1), i8Val)
assert.Equal(t, int8(0), Int8Value(nil))
i16 := Int16(int16(1))
i16Val := Int16Value(i16)
assert.Equal(t, int16(1), i16Val)
assert.Equal(t, int16(0), Int16Value(nil))
i32 := Int32(int32(1))
i32Val := Int32Value(i32)
assert.Equal(t, int32(1), i32Val)
assert.Equal(t, int32(0), Int32Value(nil))
i64 := Int64(int64(1))
i64Val := Int64Value(i64)
assert.Equal(t, int64(1), i64Val)
assert.Equal(t, int64(0), Int64Value(nil))
iSlice := IntSlice([]int{1})
iSliceVal := IntValueSlice(iSlice)
assert.Equal(t, []int{1}, iSliceVal)
assert.Nil(t, IntSlice(nil))
assert.Nil(t, IntValueSlice(nil))
i8Slice := Int8Slice([]int8{1})
i8ValSlice := Int8ValueSlice(i8Slice)
assert.Equal(t, []int8{1}, i8ValSlice)
assert.Nil(t, Int8Slice(nil))
assert.Nil(t, Int8ValueSlice(nil))
i16Slice := Int16Slice([]int16{1})
i16ValSlice := Int16ValueSlice(i16Slice)
assert.Equal(t, []int16{1}, i16ValSlice)
assert.Nil(t, Int16Slice(nil))
assert.Nil(t, Int16ValueSlice(nil))
i32Slice := Int32Slice([]int32{1})
i32ValSlice := Int32ValueSlice(i32Slice)
assert.Equal(t, []int32{1}, i32ValSlice)
assert.Nil(t, Int32Slice(nil))
assert.Nil(t, Int32ValueSlice(nil))
i64Slice := Int64Slice([]int64{1})
i64ValSlice := Int64ValueSlice(i64Slice)
assert.Equal(t, []int64{1}, i64ValSlice)
assert.Nil(t, Int64Slice(nil))
assert.Nil(t, Int64ValueSlice(nil))
ui := Uint(1)
uiVal := UintValue(ui)
assert.Equal(t, uint(1), uiVal)
assert.Equal(t, uint(0), UintValue(nil))
ui8 := Uint8(uint8(1))
ui8Val := Uint8Value(ui8)
assert.Equal(t, uint8(1), ui8Val)
assert.Equal(t, uint8(0), Uint8Value(nil))
ui16 := Uint16(uint16(1))
ui16Val := Uint16Value(ui16)
assert.Equal(t, uint16(1), ui16Val)
assert.Equal(t, uint16(0), Uint16Value(nil))
ui32 := Uint32(uint32(1))
ui32Val := Uint32Value(ui32)
assert.Equal(t, uint32(1), ui32Val)
assert.Equal(t, uint32(0), Uint32Value(nil))
ui64 := Uint64(uint64(1))
ui64Val := Uint64Value(ui64)
assert.Equal(t, uint64(1), ui64Val)
assert.Equal(t, uint64(0), Uint64Value(nil))
uiSlice := UintSlice([]uint{1})
uiValSlice := UintValueSlice(uiSlice)
assert.Equal(t, []uint{1}, uiValSlice)
assert.Nil(t, UintSlice(nil))
assert.Nil(t, UintValueSlice(nil))
ui8Slice := Uint8Slice([]uint8{1})
ui8ValSlice := Uint8ValueSlice(ui8Slice)
assert.Equal(t, []uint8{1}, ui8ValSlice)
assert.Nil(t, Uint8Slice(nil))
assert.Nil(t, Uint8ValueSlice(nil))
ui16Slice := Uint16Slice([]uint16{1})
ui16ValSlice := Uint16ValueSlice(ui16Slice)
assert.Equal(t, []uint16{1}, ui16ValSlice)
assert.Nil(t, Uint16Slice(nil))
assert.Nil(t, Uint16ValueSlice(nil))
ui32Slice := Uint32Slice([]uint32{1})
ui32ValSlice := Uint32ValueSlice(ui32Slice)
assert.Equal(t, []uint32{1}, ui32ValSlice)
assert.Nil(t, Uint32Slice(nil))
assert.Nil(t, Uint32ValueSlice(nil))
ui64Slice := Uint64Slice([]uint64{1})
ui64ValSlice := Uint64ValueSlice(ui64Slice)
assert.Equal(t, []uint64{1}, ui64ValSlice)
assert.Nil(t, Uint64Slice(nil))
assert.Nil(t, Uint64ValueSlice(nil))
tm := Time(time.Now())
tmVal := TimeValue(tm)
assert.Equal(t, time.Now(), tmVal)
assert.Equal(t, time.Now(), TimeValue(nil))
}