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@@ -8,6 +8,7 @@ import (
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"io"
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"mime/multipart"
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"os"
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+ "os/exec"
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"time"
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)
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@@ -80,3 +81,101 @@ func saveToFile(fileMulti multipart.File, tofile string) error {
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io.Copy(f, fileMulti)
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return nil
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}
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+
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+// GetResourceUrlBySvgImg
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+// @Description: 通过svg图片生成图片资源地址(传到OSS后的地址)
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+// @author: Roc
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+// @datetime 2024-07-16 10:18:09
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+// @param imgData string
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+// @return resourceUrl string
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+// @return err error
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+// @return errMsg string
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+func GetResourceUrlBySvgImg(imgData string) (resourceUrl string, err error, errMsg string) {
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+ errMsg = "图表保存失败"
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+ uploadDir := "static/images/"
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+ if !utils.FileIsExist(uploadDir) {
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+ err = os.MkdirAll(uploadDir, utils.DIR_MOD)
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+ if err != nil {
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+ err = errors.New("存储目录创建失败,Err:" + err.Error())
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+ return
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+ }
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+ }
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+
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+ //var saveToOssPath string
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+ randStr := utils.GetRandStringNoSpecialChar(28)
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+ var fileName, outFileName string
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+ fileName = randStr + ".txt"
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+ fileName = uploadDir + fileName
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+ err = utils.SaveToFile(imgData, fileName)
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+ if err != nil {
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+ err = errors.New("图片保存失败,Err:" + err.Error())
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+ return
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+ }
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+
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+ // 删除临时存储的svg文件
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+ defer func() {
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+ err = os.Remove(fileName)
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+ if err != nil {
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+ utils.FileLog.Info("删除临时存储的svg文件失败, err: " + err.Error())
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+ }
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+ }()
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+ outFileName = randStr + ".png"
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+
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+ doneChannel := make(chan bool, 1)
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+ errorChannel := make(chan error, 1)
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+
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+ cmd := exec.Command("highcharts-export-server", "--infile", fileName, "--constr", "Chart", "--scale", "2", "--workers", "10", "--workLimit", "3", "--outfile", outFileName)
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+
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+ go func() {
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+ output, err := cmd.CombinedOutput()
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+ if err != nil {
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+ utils.FileLog.Info("execute command failed, output: , error: \n" + string(output) + err.Error())
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+ errorChannel <- err
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+ return
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+ }
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+ doneChannel <- true
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+ }()
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+ defer func() {
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+ _ = os.Remove(outFileName)
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+ if err != nil {
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+ utils.FileLog.Info("删除生产的图片文件失败, err: " + err.Error())
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+ }
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+ }()
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+
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+ select {
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+ case <-time.After(30 * time.Second):
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+ utils.FileLog.Info("执行超过30秒 杀死超时进程")
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+ e := cmd.Process.Kill()
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+ if e != nil {
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+ fmt.Println("cmd kill err: ", e.Error())
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+ utils.FileLog.Info(fmt.Sprintf("cmd kill err: %s", e.Error()))
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+ errMsg = "图片生成失败"
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+ err = errors.New("图片生成失败, 执行超时" + e.Error())
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+ return
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+ }
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+ fmt.Println("timeout kill process")
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+ case <-doneChannel:
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+ fmt.Println("done")
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+ case e := <-errorChannel:
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+ errMsg = "文件上传失败"
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+ err = errors.New(fmt.Sprintf("execute command failure err: %s", e.Error()))
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+ fmt.Println("execute command failure err:" + e.Error())
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+ return
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+ }
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+
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+ //上传到阿里云 和 minio
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+ ossClient := NewOssClient()
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+ if ossClient == nil {
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+ errMsg = "上传失败"
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+ err = errors.New("初始化OSS服务失败")
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+ return
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+ }
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+ resourceUrl, err = ossClient.UploadFile(outFileName, outFileName, "")
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+ if err != nil {
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+ errMsg = "文件上传失败"
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+ err = errors.New("文件上传失败,Err:" + err.Error())
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+ return
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+ }
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+
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+ return
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+}
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