2024-02-11 01:31:01 +08:00
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package utils
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import (
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"math"
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"strconv"
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"strings"
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)
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// 字符串转Int
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2024-02-21 20:58:31 +08:00
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//
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// intStr:数字的字符串
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2024-02-11 01:31:01 +08:00
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func String2Int(intStr string) (intNum int) {
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intNum, _ = strconv.Atoi(intStr)
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return
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}
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// 字符串转Int64
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2024-02-21 20:58:31 +08:00
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//
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// intStr:数字的字符串
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2024-02-11 01:31:01 +08:00
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func String2Int64(intStr string) (int64Num int64) {
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intNum, _ := strconv.Atoi(intStr)
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int64Num = int64(intNum)
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return
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}
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// 字符串转Float64
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2024-02-21 20:58:31 +08:00
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//
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// floatStr:小数点数字的字符串
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2024-02-11 01:31:01 +08:00
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func String2Float64(floatStr string) (floatNum float64) {
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floatNum, _ = strconv.ParseFloat(floatStr, 64)
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return
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}
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// 字符串转Float32
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2024-02-21 20:58:31 +08:00
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//
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// floatStr:小数点数字的字符串
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2024-02-11 01:31:01 +08:00
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func String2Float32(floatStr string) (floatNum float32) {
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floatNum64, _ := strconv.ParseFloat(floatStr, 32)
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floatNum = float32(floatNum64)
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return
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}
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// Int转字符串
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2024-02-21 20:58:31 +08:00
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//
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// intNum:数字字符串
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2024-02-11 01:31:01 +08:00
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func Int2String(intNum int) (intStr string) {
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intStr = strconv.Itoa(intNum)
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return
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}
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// Int64转字符串
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2024-02-21 20:58:31 +08:00
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//
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// intNum:数字字符串
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2024-02-11 01:31:01 +08:00
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func Int642String(intNum int64) (int64Str string) {
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//10, 代表10进制
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int64Str = strconv.FormatInt(intNum, 10)
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return
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}
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// Float64转字符串
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2024-02-21 20:58:31 +08:00
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//
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// floatNum:float64数字
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// prec:精度位数(不传则默认float数字精度)
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2024-02-11 01:31:01 +08:00
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func Float64ToString(floatNum float64, prec ...int) (floatStr string) {
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if len(prec) > 0 {
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floatStr = strconv.FormatFloat(floatNum, 'f', prec[0], 64)
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return
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}
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floatStr = strconv.FormatFloat(floatNum, 'f', -1, 64)
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return
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}
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// Float32转字符串
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2024-02-21 20:58:31 +08:00
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//
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// floatNum:float32数字
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// prec:精度位数(不传则默认float数字精度)
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2024-02-11 01:31:01 +08:00
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func Float32ToString(floatNum float32, prec ...int) (floatStr string) {
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if len(prec) > 0 {
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floatStr = strconv.FormatFloat(float64(floatNum), 'f', prec[0], 32)
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return
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}
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floatStr = strconv.FormatFloat(float64(floatNum), 'f', -1, 32)
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return
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}
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// 二进制转10进制
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func BinaryToDecimal(bit string) (num int) {
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fields := strings.Split(bit, "")
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lens := len(fields)
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var tempF float64 = 0
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for i := 0; i < lens; i++ {
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floatNum := String2Float64(fields[i])
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tempF += floatNum * math.Pow(2, float64(lens-i-1))
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}
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num = int(tempF)
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return
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}
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// interface to string
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func AnyToString(in any) (s string) {
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if in == nil {
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return ""
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}
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return in.(string)
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}
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