Medical_ERP/utils/download.go

package utils

import (
	"image"
	_ "image/jpeg"
	"io"
	"net/http"
	"os"
)

func DownloadImage(url, filepath string) error {
	// 发送 HTTP GET 请求
	resp, err := http.Get(url)
	if err != nil {
		return err
	}
	defer resp.Body.Close()

	// 创建文件
	file, err := os.Create(filepath)
	if err != nil {
		return err
	}
	defer file.Close()

	// 将响应流中的数据写入文件
	_, err = io.Copy(file, resp.Body)
	return err
}

func GetImage(url string) (image.Image, error) {
	resp, err := http.Get(url)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	img, _, err := image.Decode(resp.Body)
	if err != nil {
		return nil, err
	}
	return img, nil
}