golang 实现clock

在网上看到某人实现了一个简单的clock，发现代码编译不过，略作修改： 1 package main 2 3 import ( 4 "bufio" 5 "image" 6 "image/color" 7 "image/png" 8 "math" 9 "os" 10 "time" 11 ) 12 13 const clock_size = 200 14 const radius = clock_size / 3 15 16 var colour color.RGBA 17 18 func circle(clock *image.RGBA) { 19 for angle := float64(0); angle < 360; angle++ { 20 radian_angle := math.P...阅读全文