private async Task <FileResult> GetContentTemplateAsync(VisualInfo visualInfo, StringBuilder contentBuilder)
{
var content = await _parseManager.GetContentAsync();
if (content == null)
{
return(null);
}
if (!string.IsNullOrEmpty(content.LinkUrl))
{
HttpContext.Response.Redirect(content.LinkUrl);
return(null);
}
var stlLabelList = ParseUtils.GetStlLabels(contentBuilder.ToString());
if (StlParserUtility.IsStlContentElementWithTypePageContent(stlLabelList)) //内容存在
{
var stlElement = StlParserUtility.GetStlContentElementWithTypePageContent(stlLabelList);
var stlElementTranslated = _parseManager.StlEncrypt(stlElement);
contentBuilder.Replace(stlElement, stlElementTranslated);
var innerBuilder = new StringBuilder(stlElement);
await _parseManager.ParseInnerContentAsync(innerBuilder);
var pageContentHtml = innerBuilder.ToString();
var pageCount = StringUtils.GetCount(Constants.PagePlaceHolder, pageContentHtml) + 1; //一共需要的页数
await _parseManager.ParseAsync(contentBuilder, visualInfo.FilePath, true);
for (var currentPageIndex = 0; currentPageIndex < pageCount; currentPageIndex++)
{
var index = pageContentHtml.IndexOf(Constants.PagePlaceHolder, StringComparison.Ordinal);
var length = index == -1 ? pageContentHtml.Length : index;
if (currentPageIndex == visualInfo.PageIndex)
{
var pageHtml = pageContentHtml.Substring(0, length);
var pagedBuilder = new StringBuilder(contentBuilder.ToString().Replace(stlElementTranslated, pageHtml));
await _parseManager.ReplacePageElementsInContentPageAsync(pagedBuilder, stlLabelList,
currentPageIndex, pageCount);
return(GetResponse(pagedBuilder.ToString()));
}
if (index != -1)
{
pageContentHtml = pageContentHtml.Substring(length + Constants.PagePlaceHolder.Length);
}
}
}
if (ParseUtils.IsStlElementExists(StlPageContents.ElementName, stlLabelList)) //如果标签中存在<stl:pageContents>
{
var stlElement = ParseUtils.GetStlElement(StlPageContents.ElementName, stlLabelList);
var stlElementTranslated = _parseManager.StlEncrypt(stlElement);
var pageContentsElementParser = await StlPageContents.GetAsync(stlElement, _parseManager);
var(pageCount, totalNum) = pageContentsElementParser.GetPageCount();
await _parseManager.ParseAsync(contentBuilder, visualInfo.FilePath, true);
for (var currentPageIndex = 0; currentPageIndex < pageCount; currentPageIndex++)
{
if (currentPageIndex == visualInfo.PageIndex)
{
var pageHtml = await pageContentsElementParser.ParseAsync(totalNum, currentPageIndex, pageCount, false);
var pagedBuilder = new StringBuilder(contentBuilder.ToString().Replace(stlElementTranslated, pageHtml));
await _parseManager.ReplacePageElementsInContentPageAsync(pagedBuilder, stlLabelList, currentPageIndex, pageCount);
return(GetResponse(pagedBuilder.ToString()));
}
}
}
else if (ParseUtils.IsStlElementExists(StlPageChannels.ElementName, stlLabelList)) //如果标签中存在<stl:pageChannels>
{
var stlElement = ParseUtils.GetStlElement(StlPageChannels.ElementName, stlLabelList);
var stlElementTranslated = _parseManager.StlEncrypt(stlElement);
var pageChannelsElementParser = await StlPageChannels.GetAsync(stlElement, _parseManager);
var pageCount = pageChannelsElementParser.GetPageCount(out _);
await _parseManager.ParseAsync(contentBuilder, visualInfo.FilePath, true);
for (var currentPageIndex = 0; currentPageIndex < pageCount; currentPageIndex++)
{
if (currentPageIndex == visualInfo.PageIndex)
{
var pageHtml = await pageChannelsElementParser.ParseAsync(currentPageIndex, pageCount);
var pagedBuilder =
new StringBuilder(contentBuilder.ToString().Replace(stlElementTranslated, pageHtml));
await _parseManager.ReplacePageElementsInContentPageAsync(pagedBuilder, stlLabelList, currentPageIndex, pageCount);
return(GetResponse(pagedBuilder.ToString()));
}
}
}
else if (ParseUtils.IsStlElementExists(StlPageSqlContents.ElementName, stlLabelList)
) //如果标签中存在<stl:pageSqlContents>
{
var stlElement = ParseUtils.GetStlElement(StlPageSqlContents.ElementName, stlLabelList);
var stlElementTranslated = _parseManager.StlEncrypt(stlElement);
var pageSqlContentsElementParser = await StlPageSqlContents.GetAsync(stlElement, _parseManager);
var pageCount = pageSqlContentsElementParser.GetPageCount(out var totalNum);
await _parseManager.ParseAsync(contentBuilder, visualInfo.FilePath, true);
for (var currentPageIndex = 0; currentPageIndex < pageCount; currentPageIndex++)
{
if (currentPageIndex == visualInfo.PageIndex)
{
var pageHtml = await pageSqlContentsElementParser.ParseAsync(totalNum, currentPageIndex, pageCount, false);
var pagedBuilder = new StringBuilder(contentBuilder.ToString().Replace(stlElementTranslated, pageHtml));
await _parseManager.ReplacePageElementsInContentPageAsync(pagedBuilder, stlLabelList, currentPageIndex, pageCount);
return(GetResponse(pagedBuilder.ToString()));
}
}
}
await _parseManager.ParseAsync(contentBuilder, visualInfo.FilePath, true);
await _parseManager.ReplacePageElementsInContentPageAsync(contentBuilder, stlLabelList, 0, 1);
return(GetResponse(contentBuilder.ToString()));
}