紧急放行修改

xwt

7 天以前 41975878bf0b8d3632d8c5f21714502a57632070

 StandardInterface/MESApplication/Controllers/QC/LljController.cs

@@ -316,4 +316,119 @@
            return ResponseResult.ResponseError(ex);
        }
    }

    [HttpPost("getAttachments")]
    public ResponseResult GetAttachments([FromBody] JObject data)
    {
        var itemNo = data["itemNo"]?.ToString();
        try
        {
            dynamic resultInfos = new System.Dynamic.ExpandoObject();
            var tbBillList = new LljService().GetAttachments(itemNo);
            if (tbBillList == null || tbBillList.Count == 0)
            {
                return new ResponseResult
                {
                    status = 1,
                    message = "该检验单未上传附件信息！",
                    data = null
                };
            }
            resultInfos.tbBillList = tbBillList;
            return new ResponseResult
            {
                status = 0,
                message = "OK",
                data = resultInfos
            };
        }
        catch (Exception ex)
        {
            return ResponseResult.ResponseError(ex);
        }
    }

    [HttpGet("PreviewFtpFile")]
    public IActionResult PreviewFtpFile([FromQuery] string itemNo, [FromQuery] string fileName, [FromQuery] string ftpServer)
    {
        try
        {
            // 添加CORS响应头
            Response.Headers.Add("Access-Control-Allow-Origin", "*");
            Response.Headers.Add("Access-Control-Allow-Methods", "GET, OPTIONS");
            Response.Headers.Add("Access-Control-Allow-Headers", "Content-Type");
            Response.Headers.Add("Access-Control-Expose-Headers", "Content-Type, Content-Length");
            
            var service = new LljService();
            var fileBytes = service.GetFtpFile(itemNo, fileName, ftpServer);
            
            if (fileBytes == null || fileBytes.Length == 0)
            {
                return NotFound("文件在FTP服务器上不存在");
            }
            
            var contentType = service.GetContentType(fileName);
            fileName = fileName?.Trim().Replace("\r", "").Replace("\n", "");
            
            return File(fileBytes, contentType);
        }
        catch (Exception ex)
        {
            return StatusCode(500, $"预览文件失败：{ex.Message}");
        }
    }

    [HttpGet("DownloadFtpFile")]
    public IActionResult DownloadFtpFile([FromQuery] string itemNo, [FromQuery] string fileName, [FromQuery] string ftpServer)
    {
        try
        {
            // 添加CORS响应头 - 关键配置用于解决跨域问题
            Response.Headers.Add("Access-Control-Allow-Origin", "*");
            Response.Headers.Add("Access-Control-Allow-Methods", "GET, OPTIONS");
            Response.Headers.Add("Access-Control-Allow-Headers", "Content-Type, Authorization");
            Response.Headers.Add("Access-Control-Expose-Headers", "Content-Disposition, Content-Length, Content-Type");
            
            var service = new LljService();
            var fileBytes = service.GetFtpFile(itemNo, fileName, ftpServer);
            
            if (fileBytes == null || fileBytes.Length == 0)
            {
                return NotFound("文件在FTP服务器上不存在");
            }
            
            var contentType = service.GetContentType(fileName);
            fileName = fileName?.Trim().Replace("\r", "").Replace("\n", "");
            
            // 设置正确的Content-Disposition响应头以支持文件下载
            var result = File(fileBytes, "application/octet-stream", fileName);
            
            // 确保Content-Disposition头正确设置，支持中文文件名
            if (!string.IsNullOrEmpty(fileName))
            {
                var encodedFileName = System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8);
                Response.Headers.Add("Content-Disposition", $"attachment; filename*=UTF-8''{encodedFileName}");
            }
            
            return result;
        }
        catch (Exception ex)
        {
            return StatusCode(500, $"下载文件失败：{ex.Message}");
        }
    }

    [HttpOptions("PreviewFtpFile")]
    [HttpOptions("DownloadFtpFile")]
    public IActionResult HandleOptions()
    {
        // 处理CORS预检请求
        Response.Headers.Add("Access-Control-Allow-Origin", "*");
        Response.Headers.Add("Access-Control-Allow-Methods", "GET, OPTIONS");
        Response.Headers.Add("Access-Control-Allow-Headers", "Content-Type, Authorization");
        Response.Headers.Add("Access-Control-Expose-Headers", "Content-Disposition, Content-Length, Content-Type");
        Response.Headers.Add("Access-Control-Max-Age", "86400");
        
        return Ok();
    }
}