private string GetWxHtml(Wx_App app, Wx_News news)
{
var html = new HtmlDocument();
var sysCfg = configService.GetConfig(app.Id);
var content = news.Content.Replace(vars);
var header = sysCfg["header_html"];
var footer = sysCfg["footer_html"];
var cover = "<p><img src=\"" + news.ThumbWxUrl + "\" /></p>";
html.LoadHtml("<div>" + header + cover + content + footer + "</div>");
var nodes = html.DocumentNode.SelectNodes("./div/p | ./div/div");
if (nodes != null)
{
foreach (HtmlNode item in nodes)
{
item.InnerHtml = item.InnerHtml.Trim();
SetStyle(item, "padding:0.25em 0");
var subImgs = item.SelectNodes(".//img");
if (subImgs == null || subImgs.Count <= 0)
{
var attr = item.Attributes["style"];
if (attr == null || attr.Value.IndexOf("text-align:center") < 0)
{
SetStyle(item, "text-indent:2em");
}
}
if (!item.HasChildNodes)
{
item.Remove();
}
}
}
var imgs = html.DocumentNode.SelectNodes("//img");
if (imgs != null)
{
foreach (HtmlNode img in imgs)
{
var src = img.Attributes["src"].Value;
var result = WeChatApi.UploadImg(app.AppId, src);
if (result != null)
{
img.Attributes["src"].Value = result.url;
}
img.Attributes.Remove("width");
img.Attributes.Remove("height");
SetStyle(img, "width:100%!important;height:auto!important");
}
}
return(html.DocumentNode.InnerHtml);
}
/// <summary>
/// 创建图文消息素材
/// </summary>
/// <param name="fileid"></param>
/// <returns></returns>
public string CreateData(string fileid)
{
var file = Broker.Retrieve <sys_file>(fileid);
var data = Broker.Retrieve <wechat_news_material>("SELECT * FROM wechat_news_material WHERE fileid = @id", new Dictionary <string, object>()
{
{ "@id", fileid }
});
if (data == null)
{
var stream = ServiceContainer.Resolve <IStoreStrategy>(StoreConfig.Config.Type).GetStream(fileid);
data = new wechat_news_material()
{
Id = Guid.NewGuid().ToString(),
fileid = fileid
};
data.media_url = WeChatApi.UploadImg(stream, file.name, file.content_type)?.url;
data.local_url = SysFileService.GetDownloadUrl(fileid, false);
CreateData(data);
}
return(data.media_url);
}