70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
package logic
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import (
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"encoding/base64"
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"fmt"
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"io"
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"net/http"
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"planA/planE/initialization/golabl"
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"strings"
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)
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func Logic(imgUrl string, token string) {
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//将web图片转为base64
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imgBase64, imageToBase64Err := ImageToBase64(imgUrl)
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if imageToBase64Err != nil {
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fmt.Println(imageToBase64Err)
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return
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}
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upload, PddGoodsImageUploadErr := golabl.PddDll.PddGoodsImageUpload(golabl.Config.PddConfig.ClientId, golabl.Config.PddConfig.ClientSecret, token, imgBase64)
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if PddGoodsImageUploadErr != nil {
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fmt.Println(PddGoodsImageUploadErr)
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return
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}
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fmt.Println(upload)
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}
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// ImageToBase64 将网络图片转换为 Base64 字符串
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func ImageToBase64(imageURL string) (string, error) {
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// 1. 发送 HTTP GET 请求获取图片
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resp, err := http.Get(imageURL)
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if err != nil {
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return "", fmt.Errorf("failed to download image: %w", err)
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}
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defer resp.Body.Close()
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// 检查 HTTP 状态码
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if resp.StatusCode != http.StatusOK {
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return "", fmt.Errorf("HTTP error: %s", resp.Status)
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}
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// 2. 读取图片数据
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imageData, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", fmt.Errorf("failed to read image data: %w", err)
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}
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// 3. 转换为 Base64
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base64Str := base64.StdEncoding.EncodeToString(imageData)
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// 4. 可选：获取 Content-Type 并拼接 Data URL 格式
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contentType := resp.Header.Get("Content-Type")
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if contentType == "" {
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// 根据文件扩展名推测 MIME 类型
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if strings.HasSuffix(imageURL, ".png") {
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contentType = "image/png"
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} else if strings.HasSuffix(imageURL, ".jpg") || strings.HasSuffix(imageURL, ".jpeg") {
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contentType = "image/jpeg"
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} else if strings.HasSuffix(imageURL, ".gif") {
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contentType = "image/gif"
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} else if strings.HasSuffix(imageURL, ".webp") {
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contentType = "image/webp"
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} else {
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contentType = "application/octet-stream"
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}
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}
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// 返回 Data URL 格式（可直接用于 img 标签的 src 属性）
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return fmt.Sprintf("data:%s;base64,%s", contentType, base64Str), nil
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}
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