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2 answers
Q&A go语言截取字符串后乱码
go语言截取字符串后乱码
大家讲道理 2016-11-09 14:15:39 Views 1744
Go

0
package main 
import (
"fmt"
)
func main() {
str := "我爱你"
fmt.Println(str) // 可以直接显示
fmt.Println(str[0:2]) // 显示乱码??
}

想问一下,这种直接截取字符串的方法,为什么会导致乱码?

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2 answers
0

转成rune,按照字符去操作

2016-11-09 14:15:49

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0

不懂go,但八成是编码问题


一个中文字是用多个字节表示,UTF8用3个字节,Unicode用2个字节,GBK用2个字节。


但go可能并不知道,还将它当成单字节字符来看。因此你会截出一个半字。这半个字就表现为乱码。


解决方案: 可一律转成unicode编码,或使用库中可操纵多字节字符的函数


2016-11-09 14:16:02

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