open bool}// Initialize a new Converter. If fromEncoding or toEncoding are not supported by// iconv then an EINVAL error will be returned. An ENOMEM error maybe returned if// there is not enough memory to initi
package main import ( "crypto/aes" "crypto/cipher" "encoding/base64" "fmt" ) func encryptString(key, plaintext string) (string, error) { block, err := aes.NewCipher([]byte(key)) if err != nil { return "", err } // 使用AES加密算法的CBC模式 ciphertext := make([]byte, a...
和这些接口比较,Closer 接口最简单,用于关闭数据流,只有一个 Close 方法,经常用在 defer 语句里,当要关闭的资源是 nil 的时候,Close 函数可能会返回 error 对象 ErrInvalid,所以调用的时候不用担心 file 是否为 nil,把 defer 直接写在后面会显得逻辑更紧凑一些,下面第一种写法更好。 // 第一种file,err:=os....
package main import ( "fmt" "encoding/json" ) //定义一个结构体 type Monster struct{ Name string Age int Birthday string Sal float64 Skill string } //结构体序列化 func main(){ monster := Monster{ Name : "minger", Age : 23, Birthday : "1997-11-13", Sal : 2000.0, Skill : "Linu...
f.Add("123,") // invalid string f.Fuzz(func(t *testing.T, recordStr string) { // Split the string back into a slice record := strings.Split(recordStr, ",") // Now you can call validateRecord with the slice _ = validateRecord(record) ...
// encoding yields a single '\uFFFD' replacement rune. Encoding from UTF-8 to // the replacement encoding yields the same as the source bytes except that // invalid UTF-8 is converted to '\uFFFD'. // // It is defined at http://encoding.spec.whatwg.org/#replacement ...
}//不能通过ASCII码了就用utf-8ifsetBits >= utf8.RuneSelf {// Some runes in the input slice are not ASCII.returnFieldsFunc(s, unicode.IsSpace) }// ASCII fast path 更快a :=make([][]byte, n) na :=0fieldStart :=0i :=0// Skip spaces in the front of the input.// 跳过开头的...
// 如果缓冲区过大,WriteByte将因ErrTooLarge而panic func (b *Buffer) WriteByte(c byte) error { b.lastRead = opInvalid m, ok := b.tryGrowByReslice(1) if !ok { m = b.grow(1) } b.buf[m] = c return nil } // WriteRune appends the UTF-8 encoding of Unicode code point r ...
// invalid UTF-16 surrogate pairs are not treated as an error. // Instead, they are replaced by the Unicode replacement // character U+FFFD. // 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. ...
1.基础知识 1.1Golang语言 1.1.1简介 Go语言保证了即能静态编译语言的安全和性能,又达到了动态语言考法维护的高效率,Go=C+Python,说明Go语言既有C语言开发维护的高效率,又能达到python快速开发的高效率。 1.1.2特点 1)从C语言中继承了很多理念,包括表达式语法,控