fmt.Printf %* 格式化输出映射表

%d ： decimal integer %x %o %b ： integer in hexadecimal(十六进制) octal(八进制) binaery(二进制) %f %g %e：floating-point number: 3.141593 3.141592653589793 3.141593e+00 %t: boolean：true or false %c: rune(Unicode code point) %s: string %q: quoted string "abc" or rune 'c' ％v: any value in a natural format %T: type of any value fmt.Printf("%d %d\n", 1, 'c') fmt.Printf("%x %o %b \n", 31, 31, 31) fmt.Printf("%f %g %e \n", 3.141592653589793238462643383249901429, 3.141592653589793238462643383249901429, 3.141592653589793238462643383249901429) fmt.Printf("%t %t \n", true, false) fmt.Printf("%c %s\n", 'd', "d") fmt.Printf("%q %q %q \n", "abcd", "c", 'c') fmt.Printf("%v %v %v\n", symbol1, "abcd", 'c') fmt.Printf("%T %T %T\n", symbol1, "abcd", 'c') 对应的输出为 1 99 1f 37 11111 3.141593 3.141592653589793 3.141593e+00 true false d d "abcd" "c" 'c' [usd eur ¥] abcd 99 [3]string string int32