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base.go
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base.go
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package conversion
import (
"reflect"
"strconv"
"unsafe"
)
// StringToByte 自定义string转byte
// 解决强转内存分配效率低问题
// StringToByte("str")
func StringToByte(str string) []byte {
sliceHeader := (*reflect.SliceHeader)(unsafe.Pointer(&str))
sliceHeader.Cap = sliceHeader.Len
b := *(*[]byte)(unsafe.Pointer(sliceHeader))
return b
}
// ByteToString 自定义byte转string
// 解决强转效率低:先分配一个内存再复制内容
// ByteToString([]byte("why"))
func ByteToString(b []byte) string {
ptr := (*string)(unsafe.Pointer(&b))
return *ptr
}
// StringToUint8 string转uint
func StringToUint8(str string) uint8 {
intTmp, _ := strconv.Atoi(str)
return uint8(intTmp)
}
// StringToUint16 string转uint16
func StringToUint16(str string) uint16 {
intTmp, _ := strconv.Atoi(str)
return uint16(intTmp)
}
// StringToUint64 string转uint64
func StringToUint64(str string) uint64 {
intTmp, _ := strconv.Atoi(str)
return uint64(intTmp)
}
// StringToInt8 string转int8
func StringToInt8(str string) int8 {
intTmp, _ := strconv.Atoi(str)
return int8(intTmp)
}
// StringToInt16 string转int16
func StringToInt16(str string) int16 {
intTmp, _ := strconv.Atoi(str)
return int16(intTmp)
}
// StringToInt32 string转int32
func StringToInt32(str string) int32 {
intTmp, _ := strconv.Atoi(str)
return int32(intTmp)
}
// StringToInt64 string转int64
func StringToInt64(str string) int64 {
intTmp, _ := strconv.Atoi(str)
return int64(intTmp)
}
// InterfaceStringToUint8 interface转uint8
func InterfaceStringToUint8(str interface{}) uint8 {
strTmp, ok := str.(string)
if !ok {
return 0
}
intTmp, _ := strconv.Atoi(strTmp)
return uint8(intTmp)
}
// InterfaceStringToUint16 interface转uint16
func InterfaceStringToUint16(str interface{}) uint16 {
strTmp, ok := str.(string)
if !ok {
return 0
}
intTmp, _ := strconv.Atoi(strTmp)
return uint16(intTmp)
}
// InterfaceStringToUint64 interface转uint64
func InterfaceStringToUint64(str interface{}) uint64 {
strTmp, ok := str.(string)
if !ok {
return 0
}
intTmp, _ := strconv.Atoi(strTmp)
return uint64(intTmp)
}
// InterfaceStringToInt8 interface转int8
func InterfaceStringToInt8(str interface{}) int8 {
strTmp, ok := str.(string)
if !ok {
return 0
}
intTmp, _ := strconv.Atoi(strTmp)
return int8(intTmp)
}
// InterfaceStringToInt16 interface转int16
func InterfaceStringToInt16(str interface{}) int16 {
strTmp, ok := str.(string)
if !ok {
return 0
}
intTmp, _ := strconv.Atoi(strTmp)
return int16(intTmp)
}
// InterfaceStringToInt32 interface转in32
func InterfaceStringToInt32(str interface{}) int32 {
strTmp, ok := str.(string)
if !ok {
return 0
}
intTmp, _ := strconv.Atoi(strTmp)
return int32(intTmp)
}
// InterfaceStringToInt64 interface转int64
func InterfaceStringToInt64(str interface{}) int64 {
strTmp, ok := str.(string)
if !ok {
return 0
}
intTmp, _ := strconv.Atoi(strTmp)
return int64(intTmp)
}
// InterfaceFloat64ToUint8 interface转uint8
func InterfaceFloat64ToUint8(str interface{}) uint8 {
tmp, ok := str.(float64)
if !ok {
return 0
}
return uint8(tmp)
}
// InterfaceFloat64ToUint16 interface转uint16
func InterfaceFloat64ToUint16(str interface{}) uint16 {
tmp, ok := str.(float64)
if !ok {
return 0
}
return uint16(tmp)
}
// InterfaceFloat64ToUint32 interface转uint32
func InterfaceFloat64ToUint32(str interface{}) uint32 {
tmp, ok := str.(float64)
if !ok {
return 0
}
return uint32(tmp)
}
// InterfaceFloat64ToUint64 interface转uint64
func InterfaceFloat64ToUint64(str interface{}) uint64 {
tmp, ok := str.(float64)
if !ok {
return 0
}
return uint64(tmp)
}
// InterfaceFloat64ToInt8 interface转int8
func InterfaceFloat64ToInt8(str interface{}) int8 {
tmp, ok := str.(float64)
if !ok {
return 0
}
return int8(tmp)
}
// InterfaceFloat64ToInt16 interface转int16
func InterfaceFloat64ToInt16(str interface{}) int16 {
tmp, ok := str.(float64)
if !ok {
return 0
}
return int16(tmp)
}
//InterfaceFloat64ToInt32 interface转int32
func InterfaceFloat64ToInt32(str interface{}) int32 {
tmp, ok := str.(float64)
if !ok {
return 0
}
return int32(tmp)
}
// InterfaceFloat64ToInt64 interface转in64
func InterfaceFloat64ToInt64(str interface{}) int64 {
tmp, ok := str.(float64)
if !ok {
return 0
}
return int64(tmp)
}