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31 lines
754 B
31 lines
754 B
package cap3
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import (
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"math"
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"strings"
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)
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var (
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_hexMap = map[byte]int{
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'0': 0, '1': 1, '2': 2, '3': 3, '4': 4,
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'5': 5, '6': 6, '7': 7, '8': 8, '9': 9,
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'A': 10, 'B': 11, 'C': 12, 'D': 13, 'E': 14, 'F': 15,
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}
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)
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func Work19(hexStr string) int {
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// 将输入字符串转换为大写，以便匹配映射表
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hexStr = strings.ToUpper(hexStr)
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decValue := 0
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// 从字符串最右端开始转换每个字符
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for i := 0; i < len(hexStr); i++ {
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char := hexStr[len(hexStr)-1-i]
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// 获取字符对应的十进制值，计算十进制
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if value, exists := _hexMap[char]; exists {
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decValue += value * int(math.Pow(16, float64(i)))
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}
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}
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return decValue
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}
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