变量复用
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19
bin/main.go
19
bin/main.go
@@ -15,15 +15,6 @@ import (
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giftowebp "github.com/sizeofint/gif-to-webp"
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)
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type Image struct {
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FilePath string
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Data []byte
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ImageType int
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Ext string
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Width int
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Height int
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}
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// 实现一个 web api 服务(获取指定尺寸的图片)
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func main() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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@@ -76,22 +67,20 @@ func main() {
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// 如果是 GIF 格式的动态图片,直接返回
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if ext == "gif" {
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gifBin, err := os.ReadFile("data/test.gif")
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if err != nil {
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var gifBin, webpBuf []byte
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if gifBin, err = os.ReadFile("data/test.gif"); err != nil {
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log.Println("读取文件失败", err)
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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converter := giftowebp.NewConverter()
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converter.LoopCompatibility = false
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converter.LoopCompatibility = false // 是否兼容循环动画
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converter.WebPConfig.SetLossless(0) // 0 有损压缩 1无损压缩
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converter.WebPConfig.SetMethod(6) // 压缩速度 0-6 0最快 6质量最好
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converter.WebPConfig.SetQuality(10) // 压缩质量 0-100
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converter.WebPAnimEncoderOptions.SetKmin(9)
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converter.WebPAnimEncoderOptions.SetKmax(17)
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webpBuf, err := converter.Convert(gifBin)
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if err != nil {
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if webpBuf, err = converter.Convert(gifBin); err != nil {
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log.Println("编码图像失败", err.Error())
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w.WriteHeader(http.StatusBadRequest)
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return
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