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52 lines
1.2 KiB
52 lines
1.2 KiB
package main
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import (
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"encoding/base64"
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"fmt"
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"io/ioutil"
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"os"
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)
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func main() {
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// 读取Base64
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k := ImagesToBase("D:\\EPWork\\goland\\workspace\\golang_learn\\src\\data_func\\go_to_base64\\rc.ico")
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fmt.Print(k)
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}
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// 图片转Base64
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func ImagesToBase64(str_images string) string {
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//读原图片
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ff, _ := os.Open(str_images)
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defer ff.Close()
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sourcebuffer := make([]byte, 500000)
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n, _ := ff.Read(sourcebuffer)
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//base64压缩
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return base64.StdEncoding.EncodeToString(sourcebuffer[:n])
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}
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// 图片转Base64 - 数组
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func ImagesToBase(str_images string) []byte {
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//读原图片
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ff, _ := os.Open(str_images)
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defer ff.Close()
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sourcebuffer := make([]byte, 500000)
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n, _ := ff.Read(sourcebuffer)
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sourcestring := base64.StdEncoding.EncodeToString(sourcebuffer[:n])
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return []byte(sourcestring)
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}
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// Base64转图片
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func Base64ToImage(sourcestring []byte) {
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// 写入临时文件
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ioutil.WriteFile("a.png.txt", sourcestring, 0667)
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// 读取临时文件
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cc, _ := ioutil.ReadFile("a.png.txt")
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// 解压
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dist, _ := base64.StdEncoding.DecodeString(string(cc))
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// 写入新文件
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f, _ := os.OpenFile("xx.png", os.O_RDWR|os.O_CREATE, os.ModePerm)
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defer f.Close()
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f.Write(dist)
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return
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}
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