62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
package robot
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import (
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"blazing/modules/player/service"
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"bytes"
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"fmt"
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"github.com/fogleman/gg"
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zero "github.com/wdvxdr1123/ZeroBot"
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"github.com/wdvxdr1123/ZeroBot/message"
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)
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func init() {
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zero.OnCommand("行情").
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Handle(func(ctx *zero.Ctx) {
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var msgs []string
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for _, v := range service.NewGoldListService(0).Get() {
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msgs = append(msgs, fmt.Sprintf("数量:%d 汇率:%.2f 所需金币:%.2f", v.ExchangeNum, 1/v.Rate, float64(v.ExchangeNum)*v.Rate))
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}
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// ======================
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// 生成行情图片
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// ======================
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const (
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width = 400
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lineHeight = 24
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padding = 15
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)
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lineCount := len(msgs)
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height := padding*2 + lineHeight*lineCount + 40
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// 创建图片
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img := gg.NewContext(width, height)
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// 背景色
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img.SetRGB255(245, 247, 250)
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img.Clear()
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// 标题
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img.SetRGB255(44, 62, 80)
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img.LoadFontFace("/opt/blazing/build/simhei.ttf", 20) // 黑体，解决中文乱码
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img.DrawString("骄阳号金豆集市行情列表", padding, 30) //📊
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// 画内容
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img.SetRGB255(30, 30, 30)
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img.LoadFontFace("/opt/blazing/build/simhei.ttf", 16)
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for i, line := range msgs {
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y := 60 + i*lineHeight
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img.DrawString(line, padding, float64(y))
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}
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// 保存为图片到内存（不落地文件）
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var buf bytes.Buffer
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img.EncodePNG(&buf) // 👈 就是你要的这个方法！
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// ======================
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// 发送图片（zeroBot 标准方式）
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// ======================
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ctx.Send(message.ImageBytes(buf.Bytes()))
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})
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}
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