public void BuildHtml(string content, string path, HtmlBuildItem item, NewsTemplate template)
{
//文件内容和脚本内容
StringBuilder str = new StringBuilder();
StringBuilder script = new StringBuilder();
//单个标签内容和单个脚本内容
string label = "";
string tempScript = "";
//第一个标签开始和结束
int left = content.IndexOf("┣");
int right = content.IndexOf("┫");
//当标签存在，生成标签内容
while (left >= 0 && right >= 0)
{
//标签前面内容直接输出
str.Append(content.Substring(0, left));
//得到标签名称
label = content.Substring(left + 1, right - left - 1);
//获取标签真实内容，和所需要脚本
str.Append(GetModuleByLabel2(item, label, out tempScript));//lvcunku修改，原来是用GetModuleByLabel
//暂存所有需要脚本
script.Append(tempScript + "\r\n");
//模板中已生成的内容截取掉
content = content.Substring(right + 1);
//重新设置第一个标签的开始和结束0
left = content.IndexOf("┣");
right = content.IndexOf("┫");
}
//找到body前的最后位置，安置脚本
left = content.IndexOf("</body>");
content = str.ToString() + content;
str.AppendFormat("<!--LastCreateTime:{0}-->", DateTime.Now);
UpdateStaticHtml(path, content, template);
}
private string GetModuleByLabel2(HtmlBuildItem item, string label, out string script)
{
if (item == null) throw new ArgumentNullException("HtmlBuildModifyItem");
script = "";
string result = "";
DataTable modules = GetCacheModules();
if (modules != null && modules.Rows.Count > 0)
{
string pattern = @"^([a-z0-9A-Z_]+)(\((.+)\))?$";
Regex regex = new Regex(pattern);
Match m = regex.Match(label);
if (!m.Success) throw new Exception("模板label配置错误,label名称公使用字母数字及下划线，参数括号为半角！");
string labelNoParams = m.Groups[1].Value;
string[] labelParamArr = null;
if (m.Groups.Count >
3) labelParamArr = m.Groups[3].Value.Split(',');
DataRow[] drs = modules.Select("slabelname='" + labelNoParams + "'");
if (drs.Length > 0)
{
string type = drs[0]["stype"].ToString().ToLower();
string content = null;
switch (type)
{
case "attr":
//result += GetTargetAttrValue(item, drs[0]["scontent"].ToString());
break;
case "html":
content = HttpUtility.HtmlDecode(drs[0]["scontent"].ToString());
result += System.Web.HttpUtility.HtmlDecode(FormatLabelValue(content, item, labelParamArr));
break;
case "url":
string url = HttpUtility.HtmlDecode(drs[0]["scontent"].ToString());
url = FormatLabelValue(url, item, labelParamArr);
if (url.IndexOf("?") > 0) url += "&";
else url += "?";
url += "builder=1&company=" + CompanyCode;
WebClient webClient = new WebClient();
byte[] bytes = webClient.DownloadData(url);
result += Encoding.UTF8.GetString(bytes);
break;
}
}
else
{
result += string.Format("<!--系统未设置此模块({0})-->", label);
}
}
else
{
result += "<!--系统未设置任何模块-->";
}
return result;
}
private string GetTargetAttrValue(HtmlBuildItem item, string attr)
{
if (item.Target == null) throw new Exception("使用对象属性模块，但对象为空");
Type t = item.Target.GetType();
try
{
var attrArr = attr.Split(',');
object obj = t.InvokeMember(attrArr[0], System.Reflection.BindingFlags.GetProperty, null, item.Target, null);
if (obj == null) return "";
if (obj is DateTime && attrArr.Length > 1) obj = ((DateTime)obj).ToString(attrArr[1]);
return HttpUtility.HtmlDecode(obj.ToString());
}
catch (Exception ex)
{
throw new Exception("获取" + t.Name + "对象属性" + attr + "失败:" + ex.Message);
}
}
private string FormatLabelValue(string labelParams, HtmlBuildItem item, string[] labelParamArr)
{
//格式化参数
string pattern = @"(\$[a-zA-Z0-9_]+)+";
Regex regex = new Regex(pattern);
Match paraMatch = regex.Match(labelParams);
if (paraMatch.Success)
{
while (paraMatch.Success)
{
string valueStr = "";
string[] flagArr = paraMatch.Value.Split('_');
string str = flagArr[0];
for (int i = 1; i < flagArr.Length - 1; i++) { str += "_" + flagArr[i]; }
string flagVal = null;
if (flagArr.Length > 1) flagVal = flagArr[flagArr.Length - 1];
if (item.UrlPageValues == null) throw new Exception("item.UrlPageValues is null"); switch (str.ToLower())
{
case "$url_page_value":
if (flagVal == null) throw new Exception("模块" + paraMatch.Value + "配置有误，必需包含$和_");
int valIndex;
Int32.TryParse(flagVal, out valIndex);
if (valIndex < 1) throw new Exception("模块配置有误,$url_page_value必需指定int值的索引，比如$url_page_value_1");
valIndex--;
if (item.UrlPageValues.Length > valIndex) valueStr = item.UrlPageValues[valIndex];
break;
case "$url_param":
if (flagVal == null) throw new Exception("模块" + paraMatch.Value + "配置有误，必需包含$和_");
if (item.QueryString == null) throw new Exception("HtmlBuildItem的QueryString为空");
valueStr = item.QueryString[flagVal];
break;
case "$host":
valueStr = item.Host;
break;
case "$module_param":
if (flagVal == null) throw new Exception("模块" + paraMatch.Value + "配置有误，必需包含$和_");
int paramIndex;
Int32.TryParse(flagVal, out paramIndex);
if (paramIndex < 1) throw new Exception("模块配置有误,$module_param必需指定int值的索引，比如$module_param_1");
paramIndex--;
if (labelParamArr.Length > paramIndex) valueStr = labelParamArr[paramIndex];
break;
case "$attr":
if (flagVal == null) throw new Exception("模块" + paraMatch.Value + "配置有误，必需包含$和_");
valueStr = GetTargetAttrValue(item, flagVal);
break;
default:
break;
}
labelParams = labelParams.Replace(paraMatch.Value, valueStr);
paraMatch = paraMatch.NextMatch();
}
}
return labelParams;
}
/// <summary>
/// http响应入口
/// </summary>
/// <param name="context"></param>
public void RenderRequest(HttpContext context)
{
string path = "";
try
{
path = context.Request.Url.AbsolutePath;
string pattern = @"^/" + StaticHtmlPath + "/([a-zA-Z0-9]+)(/([a-zA-Z0-9]+)_?([0-9_]+)?.html)?$";
Regex regex = new Regex(pattern);
Match m = regex.Match(path);
if (!m.Success || m.Groups.Count < 2)
{
context.Response.Write("sorry ! I can't find this Page,are you include the site name,and the page is correct"); return;
}
string siteName = m.Groups[1].Value;
string pageName = null;
string[] pageValArray = null;
if (m.Groups.Count > 3)
{
pageName = m.Groups[3].Value;
if (m.Groups.Count < 5 || m.Groups[4].Value == "")
{
path = string.Format("/{0}/{1}/{2}.html", StaticHtmlPath, siteName, pageName);
}
else
{
pageValArray = m.Groups[4].Value.Split('_');
path = string.Format("/{0}/{1}/{2}_{3}.html", StaticHtmlPath, siteName, pageName, pageValArray[0]);
}
//比如列表页面，static html表只保存到分类，不保存分页，所以要处理path，把页码移除
}
string result = GetHtmlByPath(path);
if (result == null)
{
int waitCount = 20;//如果已经有生成的线程，等待
while (waitCount > 0 && BuildPageList.Contains(path))
{
waitCount--;
System.Threading.Thread.Sleep(500);
}
BuildPageList.Add(path);
//获取站点信息
SiteInfo siteInfo = GetSiteByDir(siteName);
if (siteInfo == null) throw new Exception("site " + siteName + " is not exists");
HtmlBuildItem notifyItem = new HtmlBuildItem() { Site = siteInfo, QueryString = context.Request.QueryString };
if (m.Groups.Count > 3)
{
if (m.Groups.Count < 5) throw new Exception("输入地址不正确");
notifyItem.UrlPageName = pageName;
notifyItem.UrlPageValues = pageValArray;
}
else notifyItem.UrlPageName = "Index";
if (notifyItem.UrlPageValues == null || notifyItem.UrlPageValues.Length < 1) throw new Exception("url错误");
switch (notifyItem.UrlPageName.ToLower())
{
case "news":
//如果不动态生成详情页，请在这里直接返回，或者throw 文章不存在的异常
notifyItem.type = HtmlBuildModifyType.Detail;
NewsItem news = GetNews(Convert.ToInt32(notifyItem.UrlPageValues[0]));
if (news == null) throw new Exception("文章不存在或者已删除！");
notifyItem.Target = news;
BuildHtml2(notifyItem);
break;
case "list":
notifyItem.type = HtmlBuildModifyType.ManualList;
notifyItem.Target = new NewsCls() { SClsCode = notifyItem.UrlPageValues[0] };
BuildHtml2(notifyItem);
break;
case "index":
notifyItem.type = HtmlBuildModifyType.ManualIndex;
BuildHtml2(notifyItem);
break;
case "comment":
//评论模板，每个站点可配置
notifyItem.type = HtmlBuildModifyType.Comment;
BuildHtml2(notifyItem);
break;
default:
context.Response.Write("Can not find this Page"); return;
}
BuildPageList.Remove(path);
result = GetHtmlByPath(path);
if (result == null)
{
context.Response.Write("生成html失败...."); return;
}
}
string contentType = "text/html";
string contentEncoding = "";
bool isCompressed = CanGZip(context.Request, out contentEncoding);
using (MemoryStream memoryStream = new MemoryStream(5000))
{
using (Stream writer = isCompressed ?
(Stream)(new System.IO.Compression.GZipStream(memoryStream, System.IO.Compression.CompressionMode.Compress))
: memoryStream)
{
byte[] fileBytes = new System.Text.UTF8Encoding().GetBytes(result);
writer.Write(fileBytes, 0, fileBytes.Length);
}
byte[] responseBytes = memoryStream.ToArray();
HtmlModule.WriteBytes(responseBytes, context, isCompressed, contentType, contentEncoding);
}
//Func<string, bool, Result> func = _htmlBuildService.CreateHomePage;
//func.BeginInvoke("", false, null, func);
}
catch (Exception ex)
{
context.Response.Write("Can not find this Page :" + ex.Message);
}
}
public void NoticeBuild(HtmlBuildItem item)
{
if (item == null) throw new ArgumentNullException("HtmlBuildItem");
if (item.type == (HtmlBuildModifyType.ManualDetail | HtmlBuildModifyType.ManualIndex | HtmlBuildModifyType.ManualList))
{
Builder(item);
return;
}
CompanyCode = item.CompanyCode;
if (CompanyCode == "0" || string.IsNullOrEmpty(CompanyCode)) throw new Exception("companycode is zero");
string key = GetKey(item);
int delaye = 20000;//这里主要防止在短期内重生成同一个对象的html，所以添加一个Delaye处理
if (System.Configuration.ConfigurationManager.AppSettings["static_html_delay"] != null)
{
Int32.TryParse(System.Configuration.ConfigurationManager.AppSettings["static_html_delay"], out delaye);
}
if (!builderTimers.ContainsKey(key)) builderTimers.Add(key, new System.Threading.Timer(Builder, item, delaye, -1));
else
{
builderTimers[key].Change(delaye, -1);
}
}
public string GetKey(HtmlBuildItem item)
{
string key = item.Site.AutoCode.ToString();
if (item.Target != null) key += "-" + item.Target.GetType().Name + "-" + item.Target.ToString();
return key;
}
public void BuildHtml2(HtmlBuildItem item)
{
switch (item.type)
{
case HtmlBuildModifyType.ManualDetail:
case HtmlBuildModifyType.Detail:
NewsItem news = item.Target as NewsItem;
if (news == null) { throw new ArgumentNullException("News Target"); }
NewsTemplate template = GetTemplate(item.Site.AutoCode, news.SClsCode, TemplateType.Detail);
BuildHtml(template.SContent, "/" + StaticHtmlPath + "/" + item.Site.sDirectory + "/news_" + news.Autocode + ".html", item, template);
break;
case HtmlBuildModifyType.ManualList:
case HtmlBuildModifyType.ReNameClass:
{
NewsCls newsCls = item.Target as NewsCls;
if (newsCls == null) { throw new ArgumentNullException("NewsCls Target"); }
NewsTemplate newsClsTemplate = GetTemplate(item.Site.AutoCode, newsCls.SClsCode, TemplateType.List);
BuildHtml(newsClsTemplate.SContent, "/" + StaticHtmlPath + "/" + item.Site.sDirectory + "/list_" + newsCls.SClsCode + ".html", item, newsClsTemplate);
}
break;
case HtmlBuildModifyType.ManualIndex:
{
NewsTemplate indexTemplate = GetTemplate(item.Site.AutoCode, null, TemplateType.Index);
BuildHtml(indexTemplate.SContent, "/" + StaticHtmlPath + "/" + item.Site.sDirectory + "/index.html", item, indexTemplate);
break;
}
case HtmlBuildModifyType.Comment:
{
//生成评论页面模板staticHtml
NewsTemplate newsClsTemplate = GetTemplate(item.Site.AutoCode, null, TemplateType.Comment);
BuildHtml(newsClsTemplate.SContent, "/" + StaticHtmlPath + "/" + item.Site.sDirectory + "/comment.html", item, newsClsTemplate);
break;
}
default:
break;
}
}
