zhangdeman/wrapper
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

migrate: 迁移 time 相关操作

Browse Source
This commit is contained in:
白茶清欢
2025-10-14 09:54:17 +08:00
parent fbc2c162d5
commit bab05e7d6b
2 changed files with 5 additions and 457 deletions
Download Patch File Download Diff File Expand all files Collapse all files

394
convert.go
View File

@ -1,394 +0,0 @@
// Package wrapper ...
//
// Description : 任意类型之间的相互转换
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2021-02-23 10:23 下午
package wrapper
/*
Desc : 在处理一些参数的时候，可能需要将参数转换为各种类型，这里实现一个通用的转换函数，实现各种类型之间的相互转换。
当然，如果源数据格式和目标数据类型不一致，是会返回错误的。例如将字符串“一二三”转换为数值类型则会报错，而将字符串“123”转换为数值类型则OK。
这段代码实际抄自go自带的“database/sql”库，只是源代码作为内部函数无法在外面调用，可以单独把需要的功能拎出来使用：
代码中有一个Scaner接口，可以自行实现，然后通过"convertAssign()"函数，作为dst参数传入。
Author : zhangdeman001@ke.com<白茶清欢>
*/
import (
"errors"
"fmt"
"reflect"
"strconv"
"time"
)
// RawBytes is a byte slice that holds a reference to memory owned by
// the database itself. After a Scan into a RawBytes, the slice is only
// valid until the next call to Next, Scan, or Close.
type RawBytes []byte
var errNilPtr = errors.New("destination pointer is nil") // embedded in descriptive error
// ConvertAssign ...
// convertAssign copies to dest the value in src, converting it if possible.
// An error is returned if the copy would result in loss of information.
// dest should be a pointer type.
func ConvertAssign(dest, src any) error {
// Common cases, without reflect.
switch s := src.(type) {
case string:
switch d := dest.(type) {
case *string:
if d == nil {
return errNilPtr
}
*d = s
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = []byte(s)
return nil
case *RawBytes:
if d == nil {
return errNilPtr
}
*d = append((*d)[:0], s...)
return nil
}
case []byte:
switch d := dest.(type) {
case *string:
if d == nil {
return errNilPtr
}
*d = string(s)
return nil
case *any:
if d == nil {
return errNilPtr
}
*d = cloneBytes(s)
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = cloneBytes(s)
return nil
case *RawBytes:
if d == nil {
return errNilPtr
}
*d = s
return nil
}
case time.Time:
switch d := dest.(type) {
case *time.Time:
*d = s
return nil
case *string:
*d = s.Format(time.RFC3339Nano)
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = []byte(s.Format(time.RFC3339Nano))
return nil
case *RawBytes:
if d == nil {
return errNilPtr
}
*d = s.AppendFormat((*d)[:0], time.RFC3339Nano)
return nil
}
case nil:
switch d := dest.(type) {
case *any:
if d == nil {
return errNilPtr
}
*d = nil
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = nil
return nil
case *RawBytes:
if d == nil {
return errNilPtr
}
*d = nil
return nil
}
}
var sv reflect.Value
switch d := dest.(type) {
case *string:
sv = reflect.ValueOf(src)
switch sv.Kind() {
case reflect.Bool,
reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Float32, reflect.Float64:
*d = asString(src)
return nil
}
case *[]byte:
sv = reflect.ValueOf(src)
if b, ok := asBytes(nil, sv); ok {
*d = b
return nil
}
case *RawBytes:
sv = reflect.ValueOf(src)
if b, ok := asBytes([]byte(*d)[:0], sv); ok {
*d = RawBytes(b)
return nil
}
case *bool:
bv, err := Bool.ConvertValue(src)
if err == nil {
*d = bv.(bool)
}
return err
case *any:
*d = src
return nil
}
if scanner, ok := dest.(Scanner); ok {
return scanner.Scan(src)
}
dpv := reflect.ValueOf(dest)
if dpv.Kind() != reflect.Ptr {
return errors.New("destination not a pointer")
}
if dpv.IsNil() {
return errNilPtr
}
if !sv.IsValid() {
sv = reflect.ValueOf(src)
}
dv := reflect.Indirect(dpv)
if sv.IsValid() && sv.Type().AssignableTo(dv.Type()) {
switch b := src.(type) {
case []byte:
dv.Set(reflect.ValueOf(cloneBytes(b)))
default:
dv.Set(sv)
}
return nil
}
if dv.Kind() == sv.Kind() && sv.Type().ConvertibleTo(dv.Type()) {
dv.Set(sv.Convert(dv.Type()))
return nil
}
// The following conversions use a string value as an intermediate representation
// to convert between various numeric types.
//
// This also allows scanning into user defined types such as "type Int int64".
// For symmetry, also check for string destination types.
switch dv.Kind() {
case reflect.Ptr:
if src == nil {
dv.Set(reflect.Zero(dv.Type()))
return nil
}
dv.Set(reflect.New(dv.Type().Elem()))
return ConvertAssign(dv.Interface(), src)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
s := asString(src)
i64, err := strconv.ParseInt(s, 10, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetInt(i64)
return nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
s := asString(src)
u64, err := strconv.ParseUint(s, 10, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetUint(u64)
return nil
case reflect.Float32, reflect.Float64:
s := asString(src)
f64, err := strconv.ParseFloat(s, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetFloat(f64)
return nil
case reflect.String:
switch v := src.(type) {
case string:
dv.SetString(v)
return nil
case []byte:
dv.SetString(string(v))
return nil
}
}
return fmt.Errorf("unsupported Scan, storing driver.Value type %T into type %T", src, dest)
}
func strconvErr(err error) error {
if ne, ok := err.(*strconv.NumError); ok {
return ne.Err
}
return err
}
func cloneBytes(b []byte) []byte {
if b == nil {
return nil
}
c := make([]byte, len(b))
copy(c, b)
return c
}
func ToString(src any) string {
return asString(src)
}
func asString(src any) string {
switch v := src.(type) {
case string:
return v
case []byte:
return string(v)
}
rv := reflect.ValueOf(src)
switch rv.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return strconv.FormatInt(rv.Int(), 10)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return strconv.FormatUint(rv.Uint(), 10)
case reflect.Float64:
return strconv.FormatFloat(rv.Float(), 'g', -1, 64)
case reflect.Float32:
return strconv.FormatFloat(rv.Float(), 'g', -1, 32)
case reflect.Bool:
return strconv.FormatBool(rv.Bool())
}
return fmt.Sprintf("%v", src)
}
func asBytes(buf []byte, rv reflect.Value) (b []byte, ok bool) {
switch rv.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return strconv.AppendInt(buf, rv.Int(), 10), true
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return strconv.AppendUint(buf, rv.Uint(), 10), true
case reflect.Float32:
return strconv.AppendFloat(buf, rv.Float(), 'g', -1, 32), true
case reflect.Float64:
return strconv.AppendFloat(buf, rv.Float(), 'g', -1, 64), true
case reflect.Bool:
return strconv.AppendBool(buf, rv.Bool()), true
case reflect.String:
s := rv.String()
return append(buf, s...), true
}
return
}
// Value is a value that drivers must be able to handle.
// It is either nil, a type handled by a database driver's NamedValueChecker
// interface, or an instance of one of these types:
//
// int64
// float64
// bool
// []byte
// string
// time.Time
type Value any
type boolType struct{}
var Bool boolType
func (boolType) String() string { return "Bool" }
func (boolType) ConvertValue(src any) (Value, error) {
switch s := src.(type) {
case bool:
return s, nil
case string:
b, err := strconv.ParseBool(s)
if err != nil {
return nil, fmt.Errorf("sql/driver: couldn't convert %q into type bool", s)
}
return b, nil
case []byte:
b, err := strconv.ParseBool(string(s))
if err != nil {
return nil, fmt.Errorf("sql/driver: couldn't convert %q into type bool", s)
}
return b, nil
}
sv := reflect.ValueOf(src)
switch sv.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
iv := sv.Int()
if iv == 1 || iv == 0 {
return iv == 1, nil
}
return nil, fmt.Errorf("sql/driver: couldn't convert %d into type bool", iv)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
uv := sv.Uint()
if uv == 1 || uv == 0 {
return uv == 1, nil
}
return nil, fmt.Errorf("sql/driver: couldn't convert %d into type bool", uv)
}
return nil, fmt.Errorf("sql/driver: couldn't convert %v (%T) into type bool", src, src)
}
type Scanner interface {
// Scan assigns a value from a database driver.
//
// The src value will be of one of the following types:
//
// int64
// float64
// bool
// []byte
// string
// time.Time
// nil - for NULL values
//
// An error should be returned if the value cannot be stored
// without loss of information.
//
// Reference types such as []byte are only valid until the next call to Scan
// and should not be retained. Their underlying memory is owned by the driver.
// If retention is necessary, copy their values before the next call to Scan.
Scan(src any) error
}

68
time.go → op_time/time.go
View File

@ -1,11 +1,11 @@
// Package wrapper ...
// Package op_time ...
//
// Description : wrapper ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2023-08-09 18:22
package wrapper
package op_time
import (
"fmt"
@ -13,17 +13,11 @@ import (
)
const (
// StandTimeFormat 标准时间格式
StandTimeFormat = "2006-01-02 15:04:05"
// StandISO8601Time 标准ISO时间格式
StandISO8601Time = "2006-01-02T15:04:05+08:00"
)
// OwnTime ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:28 2023/8/9
func OwnTime(inputTime time.Time) *Time {
instance := &Time{}
instance.Time = inputTime
@ -31,59 +25,35 @@ func OwnTime(inputTime time.Time) *Time {
}
// OwnTimeFromNow 从当前时间获取实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 12:44 2023/8/10
func OwnTimeFromNow() *Time {
return OwnTime(time.Now())
}
// OwnTimeFromSecond 从秒获取实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:47 2023/8/9
func OwnTimeFromSecond(second int64) *Time {
t := time.UnixMilli(second * 1000)
return OwnTime(t)
}
// OwnTimeFromMilli 从ms获取实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:56 2023/8/9
func OwnTimeFromMilli(milli int64) *Time {
t := time.UnixMilli(milli)
return OwnTime(t)
}
// OwnTimeFromMicro 从微秒获取实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 19:00 2023/8/9
func OwnTimeFromMicro(micro int64) *Time {
t := time.UnixMicro(micro)
return OwnTime(t)
}
// OwnTimeFromNano 从纳秒获取实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 19:00 2023/8/9
func OwnTimeFromNano(nano int64) *Time {
t := time.Unix(nano/1e9, nano%1e9)
return OwnTime(t)
}
// OwnTimeFromISO8601Time ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 11:02 2023/8/10
func OwnTimeFromISO8601Time(parseTime string, layout ...string) *Time {
var (
err error
@ -98,66 +68,38 @@ func OwnTimeFromISO8601Time(parseTime string, layout ...string) *Time {
}
// Time 时间类型
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:23 2023/8/9
type Time struct {
time.Time
}
// GetCurrentFormatTime 获取当前时间的格式化时间(秒)
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 1:34 上午 2021/10/7
func (t *Time) GetCurrentFormatTime(layout ...string) string {
return time.Now().In(time.Local).Format(t.getTimeFormat(StandTimeFormat, layout...))
return time.Now().In(time.Local).Format(t.getTimeFormat(time.DateTime, layout...))
}
// FormatUnixNano 格式化纳秒时间戳
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 11:54 2022/7/14
func (t *Time) FormatUnixNano(layout ...string) string {
nano := t.UnixNano() % 1e6
return t.FormatUnixMilli(layout...) + fmt.Sprintf(" %v", nano)
}
// FormatUnixMilli 格式化毫秒时间戳
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 11:55 2022/7/14
func (t *Time) FormatUnixMilli(layout ...string) string {
return time.UnixMilli(t.UnixMilli()).In(time.Local).
Format(t.getTimeFormat(StandTimeFormat, layout...)) + fmt.Sprintf(".%v", t.UnixMilli()%1000)
Format(t.getTimeFormat(time.DateTime, layout...)) + fmt.Sprintf(".%v", t.UnixMilli()%1000)
}
// FormatUnixSec 格式化秒级时间戳
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 12:06 2022/7/14
func (t *Time) FormatUnixSec(layout ...string) string {
return time.Unix(t.Unix(), 0).In(time.Local).Format(t.getTimeFormat(StandTimeFormat, layout...))
return time.Unix(t.Unix(), 0).In(time.Local).Format(t.getTimeFormat(time.DateTime, layout...))
}
// ToString 转字符串
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 12:16 2023/8/10
func (t *Time) ToString(layout ...string) string {
return t.FormatUnixSec(layout...)
}
// getTimeFormat 获取时间格式
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:37 2023/8/9
func (t *Time) getTimeFormat(defaultFormat string, layout ...string) string {
if len(layout) > 0 && len(layout[0]) > 0 {
return layout[0]