Go Example--格式化字串

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package mainimport (    "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", 12340000.0)    fmt.Printf("%E\n", 12340000.0)    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")}

Go Example--格式化字串