golang string[0:4]
时间: 2023-12-27 15:03:48 浏览: 34
回答: 在Golang中,字符串是字节序列,可以通过切片操作来获取字符串的子串。对于字符串"Hello, World!",使用字符串切片操作string\[0:4\]可以获取到子串"Hell",即从索引0开始,取4个字节的子串。需要注意的是,由于一个字符占用的字节数不确定,所以字符串的第i个字节不一定就是第i个字符。\[3\]
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