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113 lines
2.0 KiB
113 lines
2.0 KiB
package convert
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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"strconv"
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)
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// ToString 转换成string
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func ToString(value interface{}) string {
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if value == nil {
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return ""
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}
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return fmt.Sprint(value)
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}
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// ToBool 转换成Bool
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func ToBool(i interface{}) bool {
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switch b := i.(type) {
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case bool:
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return b
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case nil:
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return false
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case int:
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if i.(int) != 0 {
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return true
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}
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return false
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case string:
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v, err := strconv.ParseBool(ToString(i))
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if err != nil {
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return false
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}
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return v
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default:
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return false
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}
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}
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// ToInt 转换成int
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func ToInt(value interface{}) int {
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return int(ToInt64(value))
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}
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// ToInt32 转换成int32
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func ToInt32(value interface{}) int32 {
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return int32(ToInt64(value))
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}
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// ToInt64 转换成int64
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func ToInt64(value interface{}) int64 {
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num, err := strconv.ParseInt(ToString(value), 10, 64)
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if err != nil {
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return 0
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}
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return num
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}
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// ToUint 转换成uint
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func ToUint(value interface{}) uint {
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return uint(ToUint64(value))
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}
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// ToUint32 转换成uint32
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func ToUint32(value interface{}) uint32 {
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return uint32(ToUint64(value))
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}
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// ToUint64 转换成uint64
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func ToUint64(value interface{}) uint64 {
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num, err := strconv.ParseUint(ToString(value), 10, 64)
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if err != nil {
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return 0
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}
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return num
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}
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// ToFloat32 转换成float32
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func ToFloat32(value interface{}) float32 {
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return float32(ToFloat64(value))
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}
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// ToFloat64 转换成float64
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func ToFloat64(value interface{}) float64 {
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num, err := strconv.ParseFloat(ToString(value), 64)
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if err != nil {
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return 0
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}
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return num
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}
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// BytesToInt32 字节转Int32
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func BytesToInt32(data []byte) int32 {
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var num int32
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buffer := bytes.NewBuffer(data)
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binary.Read(buffer, binary.BigEndian, &num)
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return num
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}
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// BytesToInt 字节转Int
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func BytesToInt(data []byte) int {
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return int(BytesToInt32(data))
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}
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// BytesToInt64 字节转Int64
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func BytesToInt64(data []byte) int64 {
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var num int64
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buffer := bytes.NewBuffer(data)
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binary.Read(buffer, binary.BigEndian, &num)
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return num
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}
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