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一直以为动态生成静态页面不好做,昨天在网上找了下,我晕,其实很简单,思路大概是这样的,
1:建立一个html页面模板,在这个页面中把你想要动态显示的地方用特殊的字符串表示(如$htmlstrstr$);
2:在程序中用将这个html页面读到一个字符串变量如str;
3:用字符串的resplace方法将在第一步中特殊字符替换成你想要的内容;
4保存;
OK,so easy,今天就用C#写了一个这样的类,用来处理动态生成html页面的,自认为还写的完整,刚接触.NET不久,望指教

注:此类中的代码不全是原创,部份代码参照网友的代码!

以下是转换类的代码


代码
  1using System;
  2using System.Text;
  3using System.Web;
  4using System.Configuration;
  5using System.IO;
  6namespace solucky
  7{
  8    /**//// <summary>
  9    /// AspxToHtml 的摘要说明。
10    /// 注:使用此类,你可以在web.config文件对模板类进行配置.如下
11    /**//*<appSettings>
12    <add key="templateFilePath" value="htmlmoudel.htm" />
13    <add key="htmlFilePath" value="new/"></add>
14    <add key="ErrLogPath" value="aspxTohtml_log.txt"></add>    
15    </appSettings>*/
16    /**//// </summary>
17    public class AspxToHtml
18    {
19        /**//// <summary>
20        /// 模板文件中要替代的参数个数
21        /// </summary>
22        private int            _templateParamCount=0;
23        /**//// <summary>
24        /// 模板文件所在的路径
25        /// </summary>
26        private string        _templateFilePath        =ConfigurationSettings.AppSettings["templateFilePath"];
27        /**//// <summary>
28        /// 转换后的html文件所存放的路径
29        /// </summary>
30        private string        _htmlFilePath            =ConfigurationSettings.AppSettings["htmlFilePath"];
31        
32        /**//// <summary>
33        /// 模板页页面编码
34        /// </summary>
35        private Encoding _templateHtmlCode            =Encoding.GetEncoding("gb2312");
36
37        /**//// <summary>
38        /// 转换后的文件编码
39        /// </summary>
40        private Encoding _code = Encoding.GetEncoding("gb2312");
41
42        /**//// <summary>
43        /// 转换后的html文件名
44        /// </summary>
45        private string  _convertedFilename="";
46        /**//// <summary>
47        /// 模板文件中的参数
48        /// </summary>
49        private string[]    _templateFileparameter    ;
50        
51        /**//// <summary>
52        /// aspx文件中的要代替HTML文件中的参数实际值
53        /// </summary>
54        private string[]    _aspxFileparameter;
55
56        private string _errlogPath = ConfigurationSettings.AppSettings["ErrLogPath"];
57
58        属性#region 属性
59        
60        /**//// <summary>
61        /// 模板文件中要替代的参数个数
62        /// </summary>
63        public int TemplateParamCount
64        {
65            get
66            {
67                return    this._templateParamCount;
68            }
69            set//分配参数个数时,同时为模板文件中的参数和aspx文件中的要代替HTML文件中的参数实际值这两个分配实际数组
70            {
71                if (value < 0)
72                    throw new ArgumentException();
73
74                if(value>0)                
75                {
76                    this._templateParamCount=value;
77                    //模板文件中的参数                    
78                    _templateFileparameter    = new string[value];
79                    //aspx文件中的要代替HTML文件中的参数实际值
80                    _aspxFileparameter        = new string[value];
81                }
82                else
83                    this._templateParamCount=0;
84            }
85        }
86        
87        /**//// <summary>
88        /// 模板文件所在的路径
89        ///
90        /// </summary>
91        public string TemplateFilePath
92        {
93            get{    return this._templateFilePath;}
94            set{    this._templateFilePath=value;}
95        }
96        /**//// <summary>
97        /// 转换后的html文件所存放的路径
98        /// </summary>
99        public string HtmlFilePath
100        {
101            get{    return this._htmlFilePath;}
102            set{    this._htmlFilePath=value;}
103        }
104
105        /**//// <summary>
106        /// html模板文件编码
107        /// </summary>
108        public Encoding TemplateHtmlCode
109        {
110            get{    return this._templateHtmlCode;}
111            set{    this._templateHtmlCode=Encoding.GetEncoding(value.ToString());}
112        }
113        /**//// <summary>
114        /// 编码
115        /// </summary>
116        public Encoding Code
117        {
118            get{    return this._code;}
119            set{    this._code=Encoding.GetEncoding(value.ToString());}
120        }
121        /**//// <summary>
122        /// 错误文件所在路径
123        /// </summary>
124        public string ErrLogPath
125        {
126            get{
127                if(!(this._errlogPath==null))
128                    return this._errlogPath;
129                else
130                    return "aspxTohtml_log.txt";
131            }
132            set{this._errlogPath=value;}
133        }
134
135        
136        #endregion
137        
138        操作#region 操作
139
140        /**//// <summary>
141        /// 获取转换后的html文件所在相对文件路径
142        /// 如:如果HtmlFilePath="/news/"
143        /// 转换后的html文件名为200505050505.html
144        /// 则返回的值为/news/200505050505.html
145        /// </summary>
146        /// <remarks>如果在未调用StartConvert方法之前调用此属性则返回null</remarks>
147        public string HtmlFileVirtualPath
148        {
149            get
150            {    
151                if(!(this._convertedFilename==""))
152                    return    this.HtmlFilePath this._convertedFilename;
153                else
154                    return null;
155            }
156        }
157
158        /**//// <summary>
159        /// 为HTML页面参数数组付值
160        /// </summary>
161        /// <param name="param"></param>
162        public void    setTemplateFileparameter(string[] param)
163        {
164            try
165            {
166                if(param.Length==this.TemplateParamCount)
167                    this._templateFileparameter=param;
168                //else//与原定义的个数不等
169                    //
170            }
171            catch(System.Exception    ex)
172            {
173                WriteErrFile(ex);
174            }
175        }
176        /**//// <summary>
177        /// 为aspx文件中将要替换html文件中的参数数组付值
178        /// </summary>
179        /// <param name="param"></param>
180        public void setAspxFileparameter(string[] param)
181        {
182            try
183            {
184                if(param.Length==this.TemplateParamCount)
185                    this._aspxFileparameter=param;
186                //else//与原定义的个数不等
187                //
188            }
189            catch(System.Exception    ex)
190            {
191            WriteErrFile(ex);
192            }
193        }
194        /**//// <summary>
195        /// 开始进行aspxTohtml转换
196        /// </summary>
197        /// <returns>返回值为成功创建后的文件名称</returns>
198        /// <remarks>在调用此方法之前必需确定已调用setTemplateFileparameter 和setAspxFileparameter方法进行相应的付值操作</remarks>
199        public string StartConvert()
200        {
201            if(this._templateFileparameter.Length==this._aspxFileparameter.Length)
202            {
203                return writeFile();
204            }
205            else{
206                return null;
207            }
208        }
209        /**//// <summary>
210        /// 开始进行aspxTohtml转换
211        /// </summary>
212        /// <param name="htmlparam">html模板页中的所有参数数组</param>
213        /// <param name="aspxparam">aspx页面中要代替html模板页中参数值数组</param>
214        /// <returns>返回值为成功创建后的文件名称</returns>
215        public string StartConvert(string[] htmlparam,string[] aspxparam)
216        {
217            //先调用setTemplateFileparameter 和setAspxFileparameter方法,进行付值操作
218            setTemplateFileparameter(htmlparam);
219            setAspxFileparameter(aspxparam);
220            //
221            string fn=this.StartConvert();
222            //
223            _convertedFilename=fn;
224            //
225            return fn;
226        }
227        
228        /**//// <summary>
229        /// 用时间加随机数生成一个文件名
230        /// </summary>
231        /// <returns></returns>
232        private string getfilename()
233        {
234            //用时间加随机数生成一个文件名
235            System.Threading.Thread.Sleep(50);
236            string yearStr = System.DateTime.Now.Year.ToString();
237            string monthStr = string.Format("{0:0#}",System.DateTime.Now.Month);
238            string dayStr = string.Format("{0:0#}",System.DateTime.Now.Day);
239            string hourStr = string.Format("{0:0#}",System.DateTime.Now.Hour);
240            string minuteStr = string.Format("{0:0#}",System.DateTime.Now.Minute);
241            string secondStr = string.Format("{0:0#}",System.DateTime.Now.Second);
242            string millisecondStr = string.Format("{0:000#}",System.DateTime.Now.Millisecond);                    
243            System.Random rd = new System.Random();
244            return yearStr   monthStr   dayStr   hourStr   minuteStr   secondStr   millisecondStr   string.Format("{0:0000#}",rd.Next(100)) ".html";
245            //return DateTime.Now.ToString("yyyyMMddHHmmss") ".html";
246        }
247        /**//// <summary>
248        /// 进行转换处理
249        /// </summary>
250        /// <returns>返回以时间命名的文件名</returns>
251        private string writeFile()
252        {
253            
254            // 读取模板文件
255            string temp = HttpContext.Current.Server.MapPath(this.TemplateFilePath);
256            StreamReader sr=null;            
257            string str="";
258            try
259            {
260                sr = new StreamReader(temp, this.TemplateHtmlCode);
261                str = sr.ReadToEnd(); // 读取文件
262            }
263            catch(Exception ex)
264            {
265                //HttpContext.Current.Response.Write(exp.Message);
266                //HttpContext.Current.Response.End();        
267                WriteErrFile(ex);
268            }
269            finally
270            {
271                sr.Close();
272            }            
273            // 替换内容
274            // 这时,模板文件已经读入到名称为str的变量中了
275            for(int i=0;i<this.TemplateParamCount;i  )
276            {
277                str =str.Replace(this._templateFileparameter[i],this._aspxFileparameter[i]);
278            }        
279
280            return savefile(str);
281        }
282
283        /**//// <summary>
284        ///
285        /// </summary>
286        /// <param name="str"></param>
287        /// <returns></returns>
288
289        private string savefile(string str)
290        {
291            // 写文件
292            StreamWriter sw=null;
293            try
294            {
295                
296                string path = HttpContext.Current.Server.MapPath(this.HtmlFilePath);
297                //html文件名称    
298                string htmlfilename=getfilename();
299                sw = new StreamWriter(path   htmlfilename , false, this.Code);
300                sw.Write(str);
301                sw.Flush();
302                return htmlfilename;
303            }
304            catch(Exception ex)
305            {                
306                WriteErrFile(ex);
307            }
308            finally
309            {
310                sw.Close();
311            }
312            return "";
313        }
314
315        /**//// <summary>
316        /// 传入URL返回网页的html代码
317        /// </summary>
318        /// <param name="Url">URL</param>
319        /// <returns></returns>
320        public string getUrltoHtml(string Url)
321        {            
322            try
323            {
324                System.Net.WebRequest wReq = System.Net.WebRequest.Create(Url);            
325                System.Net.WebResponse wResp =wReq.GetResponse();                
326                System.IO.Stream respStream  = wResp.GetResponseStream();                
327                System.IO.StreamReader reader = new System.IO.StreamReader(respStream, System.Text.Encoding.GetEncoding("gb2312"));
328                return  savefile(reader.ReadToEnd());
329
330            }
331            catch(System.Exception ex)
332            {
333                WriteErrFile(ex);
334            }
335            return "";
336        }
337        #endregion
338
339
340        构造#region 构造        
341        
342        public AspxToHtml()
343        {
344            //
345            // TODO: 在此处添加构造函数逻辑
346            //            
347        }
348
349        private void settemplateParamCount(int templateParamCount)
350        {
351            if (templateParamCount>0)
352                this.TemplateParamCount=templateParamCount;
353        }
354        /**//// <summary>
355        /// 提供欲代替的参数个数
356        /// </summary>
357        /// <param name="templateParamCount"></param>
358        public AspxToHtml(int templateParamCount)
359        {    
360            settemplateParamCount(templateParamCount);
361            
362        }
363        /**//// <summary>
364        ///
365        /// </summary>
366        /// <param name="templateParamCount">html模板页中的参数个数</param>
367        /// <param name="htmlFilePath">生成的html文件所存放的文件夹路径</param>
368        /// <param name="templateFilePath">html模板页路径</param>
369        public AspxToHtml(int templateParamCount,string htmlFilePath,string templateFilePath)
370        {
371            settemplateParamCount(templateParamCount);
372            this.HtmlFilePath        =    htmlFilePath;
373            this.TemplateFilePath    =    templateFilePath;
374            
375        }
376        #endregion
377
378        #region
379        
380        /**//// <summary>
381        /// 把错误写入文件方法#region 把错误写入文件方法
382        /// </summary>
383        /// <param name="ee"></param>
384        private  void WriteErrFile(Exception ee)
385        {
386            
387            FileStream fs1 = new FileStream(HttpContext.Current.Server.MapPath(ErrLogPath), System.IO.FileMode.Append);
388            StreamWriter sw1 = new StreamWriter(fs1);
389            sw1.WriteLine("**************************************************");
390            sw1.WriteLine("错误日期:"   System.DateTime.Now);
391            sw1.WriteLine("错误描述:"   ee.Message);
392            sw1.WriteLine("错误名称:"   ee.Source);
393            sw1.WriteLine("详细:"   ee.ToString());
394            sw1.WriteLine("*************************************************");
395            sw1.Close();
396        }
397        #endregion
398    }
399}
400

        

            


作者:gdgzboy@牛C网
地址:http://www.niuc.net/post/2999/
版权所有。转载时必须以链接形式注明作者和原始出处及本声明!



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