/// <summary>
/// 添加或者修改Product的方法
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <ProductListDto> CreateOrUpdateProductDto(ProductEditDto input)
{
string webRootPath = _hostingEnvironment.WebRootPath;
if (!string.IsNullOrEmpty(input.Img64) && !string.IsNullOrEmpty(input.FileName))
{
var base64 = new WechatImgBase64()
{
fileName = input.FileName, imageBase64 = input.Img64
};
var photoUrl = await FilesPostsBase64(base64, "product");
input.PhotoUrl = !string.IsNullOrEmpty(photoUrl) ? photoUrl : input.PhotoUrl;
}
if (input.Id.HasValue)
{
var entity = _productRepository.GetAsync(input.Id.MapTo <Guid>()).Result;
var url = entity.PhotoUrl;
var result = await UpdateProductAsync(input);
//删除原来的单个图片
if (url != result.PhotoUrl && url != "/assets/img/default.png")
{
if (File.Exists(webRootPath + url))
{
File.Delete(webRootPath + url);
}
}
return(result);
}
else
{
return(await CreateProductAsync(input));
}
}
/// <summary>
/// base64转换
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <string> FilesPostsBase64(WechatImgBase64 input, string fileName)
{
var saveUrl = "";
if (!string.IsNullOrWhiteSpace(input.imageBase64))
{
var reg = new Regex("data:image/(.*);base64,");
input.imageBase64 = reg.Replace(input.imageBase64, "");
byte[] imageByte = Convert.FromBase64String(input.imageBase64);
var memorystream = new MemoryStream(imageByte);
string webRootPath = _hostingEnvironment.WebRootPath;
string contentRootPath = _hostingEnvironment.ContentRootPath;
string fileExt = Path.GetExtension(input.fileName); //文件扩展名，不含“.”
string newFileName = Guid.NewGuid().ToString() + fileExt; //随机生成新的文件名
var fileDire = webRootPath + string.Format("/upload/{0}/", fileName);
if (!Directory.Exists(fileDire))
{
Directory.CreateDirectory(fileDire);
}
var filePath = fileDire + newFileName;
using (var stream = new FileStream(filePath, FileMode.Create))
{
await memorystream.CopyToAsync(stream);
}
saveUrl = filePath.Substring(webRootPath.Length);
return(saveUrl);
}
return(saveUrl);
}
//public async Task<IActionResult> FilesPostsBase64([FromBody]WechatImgBase64 input)
public Task <IActionResult> FilesPostsBase64([FromBody] WechatImgBase64 input)
{
if (!string.IsNullOrWhiteSpace(input.imageBase64))
{
var reg = new Regex("data:image/(.*);base64,");
input.imageBase64 = reg.Replace(input.imageBase64, "");
byte[] imageByte = Convert.FromBase64String(input.imageBase64);
//var memorystream = new MemoryStream(imageByte);
string webRootPath = _hostingEnvironment.WebRootPath;
string contentRootPath = _hostingEnvironment.ContentRootPath;
string fileExt = Path.GetExtension(input.fileName); //文件扩展名，不含“.”
string newFileName = Guid.NewGuid().ToString() + fileExt; //随机生成新的文件名
var fileDire = webRootPath + "/upload/shop/";
if (!Directory.Exists(fileDire))
{
Directory.CreateDirectory(fileDire);
}
var filePath = fileDire + newFileName;
//2018-7-6 压缩后保存
using (Image <Rgba32> image = SixLabors.ImageSharp.Image.Load(imageByte))
{
//如果高度大于200 就需要压缩
if (image.Height > 200)
{
var width = (int)((200 / image.Height) * image.Width);
image.Mutate(x => x.Resize(width, 200));
}
image.Save(filePath);
}
//using (var stream = new FileStream(filePath, FileMode.Create))
//{
// await memorystream.CopyToAsync(stream);
//}
var saveUrl = filePath.Substring(webRootPath.Length);
return(Task.FromResult((IActionResult)Json(new APIResultDto()
{
Code = 0, Msg = "上传数据成功", Data = saveUrl
})));
}
return(Task.FromResult((IActionResult)Json(new APIResultDto()
{
Code = 901, Msg = "上传数据不能为空"
})));
}
