/// <summary>
/// 在图文消息的具体内容中，将过滤外部的图片链接，开发者可以通过下述接口上传图片得到URL，放到图文内容中使用
/// 本接口所上传的图片不占用公众号的素材库中图片数量的5000个的限制。图片仅支持jpg/png格式，大小必须在1MB以下。
/// https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1444738729&token=&lang=zh_CN
/// </summary>
/// <returns></returns>
public ActionResult UploadToWeixinImg()
{
HttpRequestBase request = this.HttpContext.Request;
string strFileId = request.Form["txtFileUpload_Id"];
string cachingKey = "fsUploadResult:" + strFileId;
UploadToWeixinImgResult uploadToWeixinImgResult = new UploadToWeixinImgResult();
FileUploadResult saveResult = SaveFile();
if (saveResult.Success == false)
{
uploadToWeixinImgResult.Message = saveResult.Message;
_cachingService.Set(cachingKey, uploadToWeixinImgResult, _uploadResultExpiresIn);
return(new HttpStatusCodeResult(200));
}
string domainId = request.Form["txtFileUpload_Domain"];
DomainContext domainContext = _fileDomainPool.GetDomainContext(Guid.Parse(domainId));
string file = Server.MapPath("/") + saveResult.StoreFilePath;
RequestApiResult <WeixinUploadImgResult> weixinUploadImgResult =
MaterialApiWrapper.UploadImg(domainContext, file);
uploadToWeixinImgResult.Success = weixinUploadImgResult.Success;
if (weixinUploadImgResult.Success == false)
{
uploadToWeixinImgResult.Message = weixinUploadImgResult.Message;
}
else
{
uploadToWeixinImgResult.Id = saveResult.Id;
uploadToWeixinImgResult.WeixinUrl = weixinUploadImgResult.ApiResult.Url;
uploadToWeixinImgResult.StoreFilePath = saveResult.StoreFilePath;
}
_cachingService.Set(cachingKey, uploadToWeixinImgResult, _uploadResultExpiresIn);
return(new HttpStatusCodeResult(200));
}
public ActionResult GetUploadToWeixinImgResult()
{
HttpRequestBase request = this.HttpContext.Request;
string strFileId = request.QueryString["fileId"];
string cachingKey = "fsUploadResult:" + strFileId;
UploadToWeixinImgResult uploadToWeixinImgResult = _cachingService.Get <UploadToWeixinImgResult>(cachingKey);
if (uploadToWeixinImgResult == null)
{
return(RespondResult(false, "指定的上传信息不存在。"));
}
if (uploadToWeixinImgResult.Success)
{
return(RespondDataResult(uploadToWeixinImgResult));
}
else
{
return(RespondResult(false, uploadToWeixinImgResult.Message));
}
}