.net core PDF下载接口

PDF下载接口

1. Controller层

 [Area("Api")]
    public class DownloadPDFController : Controller
    {
        public readonly IWebHostEnvironment _webHostEnvironment;
        public DownloadPDFController(IWebHostEnvironment webHostEnvironment)
        {
            _webHostEnvironment = webHostEnvironment;
        }

        public ActionResult DownloadFile(int goodID,string openID)
        {
            IH5Service m_H5Service = IocProxyFactory.GetService<IH5Service>();
            try
            {
                //获取存储静态资源的wwwroot所在的根目录
                string webRootPath = _webHostEnvironment.WebRootPath;

                var reportInfo = m_H5Service.GetReportInfo(goodID,openID);

                var path = reportInfo.Replace("/", "\\");

                var fileName = webRootPath + path;

                LogHelper.Info("pdf路径:" + fileName);

                if (reportInfo != null)
                {
                    var contentType = "application/msword";

                    if (fileName.ToLower().Contains(".pdf"))
                    {
                        contentType = "application/pdf";

                    }
                    else if (fileName.ToLower().Contains(".jpg"))
                    {
                        contentType = "image/jpeg";
                    }
                    else if (fileName.ToLower().Contains(".png"))
                    {
                        contentType = "image/png";
                    }

                    return File(reportInfo, contentType);

                }
                else
                {
                    return Json("信息不存在");

                }
            }
            catch (Exception ex)
            {
                LogHelper.Info("PDF_Error:" + ex.ToString());

                return null;
            }
        }


    }

2.service层
返回PDF文件路径