字符串格式. GoLang

#格式 #golang #string

GoLang

xxxxxxxxxx
 
package main
​
import (
    "fmt"
    "os"
)
​
type point struct {
    x, y int
}
​
func main() {
​
    p := point{1, 2}
    fmt.Printf("%v\n", p)
​
    fmt.Printf("%+v\n", p)
​
    fmt.Printf("%#v\n", p)
​
    fmt.Printf("%T\n", p)
​
    fmt.Printf("%t\n", true)
​
    fmt.Printf("%d\n", 123)
​
    fmt.Printf("%b\n", 14)
​
    fmt.Printf("%c\n", 33)
​
    fmt.Printf("%x\n", 456)
​
    fmt.Printf("%f\n", 78.9)
​
    fmt.Printf("%e\n", 123400000.0)
    fmt.Printf("%E\n", 123400000.0)
​
    fmt.Printf("%s\n", "\"string\"")
​
    fmt.Printf("%q\n", "\"string\"")
​
    fmt.Printf("%x\n", "hex this")
​
    fmt.Printf("%p\n", &p)
​
    fmt.Printf("|%6d|%6d|\n", 12, 345)
​
    fmt.Printf("|%6.2f|%6.2f|\n", 1.2, 3.45)
​
    fmt.Printf("|%-6.2f|%-6.2f|\n", 1.2, 3.45)
​
    fmt.Printf("|%6s|%6s|\n", "foo", "b")
​
    fmt.Printf("|%-6s|%-6s|\n", "foo", "b")
​
    s := fmt.Sprintf("a %s", "string")
    fmt.Println(s)
​
    fmt.Fprintf(os.Stderr, "an %s\n", "error")
}

Output result

{1 2}
{x:1 y:2}
main.point{x:1, y:2}
main.point
true
123
1110
!
1c8
78.900000
1.234000e+08
1.234000E+08
"string"
"\"string\""
6865782074686973
0x42135100
|    12|   345|
|  1.20|  3.45|
|1.20  |3.45  |
|   foo|     b|
|foo   |b     |
a string
an error

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字符串格式. GoLang

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