操作終端相關檔案控制代碼常量
os.stdin:
os.stdout:
os.stderr:
package main
import "fmt"
type student struct
func main()
帶緩衝區的讀寫：
package main
import (
"bufio"
"fmt"
"os"
)type student struct
func main()
fmt.printf("read str succ, ret:%s \n", str)
}
ps f:\go\src> .\main.exe
asdfbaosdifn
read str succ, ret:asdfbaosdifn
ps f:\go\src>
package main
import (
"bufio"
"fmt"
"io"
"os"
)type charcount struct
func main()
var count charcount
reader := bufio.newreader(file)
for
if err != nil
/*switch
*/runearr := rune(str)
for _, v := range runearr
} }fmt.printf("char count:%d \n", count.chcount)
fmt.printf("num count: %d \n", count.numcount)
fmt.printf("space count:%d \n", count.spacecount)
fmt.printf("other count:%d \n", count.other)
}
ps f:\go\src> go build .\go_dev\day7\example\example02\main\main.go
ps f:\go\src> .\main.exe
char count:256
num count: 9
space count:70
other count:130
ps f:\go\src>
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