文章目录
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
package main

import (
"fmt"
"time"
)

type Bar struct {
percent int64 // 百分比
cur int64 // 当前进度位置
total int64 // 总进度
rate string // 进度条
graph string // 显示符号
}

func (bar *Bar) NewOption(start, total int64) {
bar.cur = start
bar.total = total
if bar.graph == "" {
bar.graph = "█"
}
bar.percent = bar.getPercent()
for i := 0; i < int(bar.percent); i += 2 {
bar.rate += bar.graph // 初始化进度条位置
}
}

func (bar *Bar) getPercent() int64 {
return int64(float32(bar.cur) / float32(bar.total) * 100)
}

func (bar *Bar) NewOptionWithGraph(start, total int64, graph string) {
bar.graph = graph
bar.NewOption(start, total)
}

func (bar *Bar) Play(cur int64) {
bar.cur = cur
last := bar.percent
bar.percent = bar.getPercent()
if bar.percent != last && bar.percent%2 == 0 {
bar.rate += bar.graph
}
fmt.Printf("\r[%-50s]%3d%% %8d/%d", bar.rate, bar.percent, bar.cur, bar.total)
}

func (bar *Bar) Finish() {
fmt.Println()
}

func main() {
var bar Bar
bar.NewOption(0, 100)
// bar.NewOptionWithGraph(0, 100, "#")
for i := 0; i <= 100; i++ {
time.Sleep(100 * time.Millisecond)
bar.Play(int64(i))
}
bar.Finish()
}
文章目录