douxuqiao6394 2016-06-05 19:27
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如何在Golang中将全角数字字符转换为Ascii?

How do I convert full width characters into ascii characters in golang. The input in my program is full width numbers and I need to run some computations on them, so I assume I have to write a convert function like below, Before I start mapping bytes and such I was wondering if this is indeed available in the standard go library

fullWidth:="123"
expected := "123"
func convert(input string) string {
// body
}

expected == convert(fullWidth)
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  • dsj2014 2016-06-05 19:45
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    You can use the width.Transformer of the golang.org/x/text package to do the transformation but the standard library does not have this functionality. x/text is one of many official sub-repositories which have weaker compatibility requirements (see here).

    Example:

    package main
    
    import (
        "fmt"
        "golang.org/x/text/width"
    )
    
    func main() {
        s := "123"
        n := width.Narrow.String(s)
        fmt.Printf("%U: %s
    ", []rune(s), s)
        fmt.Printf("%U: %s
    ", []rune(n), n)
    }
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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