init

utils/convert.go

@@ -0,0 +1,106 @@
+package utils
+
+import (
+	"math"
+	"strconv"
+	"strings"
+)
+
+// 字符串转Int
+//
+//	intStr：数字的字符串
+func String2Int(intStr string) (intNum int) {
+	intNum, _ = strconv.Atoi(intStr)
+	return
+}
+
+// 字符串转Int64
+//
+//	intStr：数字的字符串
+func String2Int64(intStr string) (int64Num int64) {
+	intNum, _ := strconv.Atoi(intStr)
+	int64Num = int64(intNum)
+	return
+}
+
+// 字符串转Float64
+//
+//	floatStr：小数点数字的字符串
+func String2Float64(floatStr string) (floatNum float64) {
+	floatNum, _ = strconv.ParseFloat(floatStr, 64)
+	return
+}
+
+// 字符串转Float32
+//
+//	floatStr：小数点数字的字符串
+func String2Float32(floatStr string) (floatNum float32) {
+	floatNum64, _ := strconv.ParseFloat(floatStr, 32)
+	floatNum = float32(floatNum64)
+	return
+}
+
+// Int转字符串
+//
+//	intNum：数字字符串
+func Int2String(intNum int) (intStr string) {
+	intStr = strconv.Itoa(intNum)
+	return
+}
+
+// Int64转字符串
+//
+//	intNum：数字字符串
+func Int642String(intNum int64) (int64Str string) {
+	//10, 代表10进制
+	int64Str = strconv.FormatInt(intNum, 10)
+	return
+}
+
+// Float64转字符串
+//
+//	floatNum：float64数字
+//	prec：精度位数（不传则默认float数字精度）
+func Float64ToString(floatNum float64, prec ...int) (floatStr string) {
+	if len(prec) > 0 {
+		floatStr = strconv.FormatFloat(floatNum, 'f', prec[0], 64)
+		return
+	}
+	floatStr = strconv.FormatFloat(floatNum, 'f', -1, 64)
+	return
+}
+
+// Float32转字符串
+//
+//	floatNum：float32数字
+//	prec：精度位数（不传则默认float数字精度）
+func Float32ToString(floatNum float32, prec ...int) (floatStr string) {
+	if len(prec) > 0 {
+		floatStr = strconv.FormatFloat(float64(floatNum), 'f', prec[0], 32)
+		return
+	}
+	floatStr = strconv.FormatFloat(float64(floatNum), 'f', -1, 32)
+	return
+}
+
+// 二进制转10进制
+func BinaryToDecimal(bit string) (num int) {
+	fields := strings.Split(bit, "")
+	lens := len(fields)
+	var tempF float64 = 0
+	for i := 0; i < lens; i++ {
+		floatNum := String2Float64(fields[i])
+		tempF += floatNum * math.Pow(2, float64(lens-i-1))
+	}
+	num = int(tempF)
+	return
+}
+
+// interface to string
+func AnyToString(in any) (s string) {
+	if in == nil {
+		return ""
+	}
+
+	return in.(string)
+}