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[莫名其]

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[莫名其]

忘了一点，在此感谢逍遥对于我判断文件编码代码的指正。

请搜索NChardet开源库。

[没花鹿]

踩一脚先.

[大明湖畔_帅锅]

[wuyq11]

数据库操作类sqlhelper
获取IP
public static string GetClientIP()
{
string lastIP = "";
if (HttpContext.Current.Request.ServerVariables["HTTP_VIA"] != null)
{
lastIP = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();
}
else
{
lastIP = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString();
}
return lastIP;
}

public static object GetCache(string CacheKey)
{
System.Web.Caching.Cache objCache = HttpRuntime.Cache;
return objCache[CacheKey];
}

/// <summary>
/// 设置缓存对象
/// </summary>
/// <param name="CacheKey">键</param>
/// <param name="objObject">要被缓存的对象</param>
public static void SetCache(string CacheKey, object objObject)
{
System.Web.Caching.Cache objCache = HttpRuntime.Cache;
objCache.Insert(CacheKey, objObject);
}
public static void DelCache(string CacheKey, object objObject)
{
System.Web.Caching.Cache objCache = HttpRuntime.Cache;
if (objCache[CacheKey] != null)
{ HttpRuntime.Cache.Remove(CacheKey); }
}
/// <summary>
/// 半角转全角
static public string GetQuanJiao(string BJstr)
{
char[] c = BJstr.ToCharArray();
for (int i = 0; i < c.Length; i++)
{
byte[] b = System.Text.Encoding.Unicode.GetBytes(c, i, 1);
if (b.Length == 2)
{
if (b[1] == 0)
{
b[0] = (byte)(b[0] - 32);
b[1] = 255;
c[i] = System.Text.Encoding.Unicode.GetChars(b)[0];
}
}
}
string strNew = new string(c);
return strNew;
}

/// <summary>
/// 全角转半角
/// </summary>
/// <param name="QJstr"></param>
/// <returns></returns>
public string GetBanJiao(string QJstr)
{
char[] c = QJstr.ToCharArray();
for (int i = 0; i < c.Length; i++)
{
byte[] b = System.Text.Encoding.Unicode.GetBytes(c, i, 1);
if (b.Length == 2)
{
if (b[1] == 255)
{
b[0] = (byte)(b[0] + 32);
b[1] = 0;
c[i] = System.Text.Encoding.Unicode.GetChars(b)[0];
}
}
}
string strNew = new string(c);
return strNew;
}
XML操作类

[大明湖畔_帅锅]

[Quote=引用 4 楼 wuyq11 的回复:]

数据库操作类sqlhelper
获取IP
public static string GetClientIP()
{
string lastIP = "";
if (HttpContext.Current.Request.ServerVariables["HTTP_VIA"] != null)
……
[/Quote]

拜膜梦姐

[wy811007]

wuyq11大 那个xml 操作类 没写完啊。。

[veling]

常用函数集合
public static bool CheckIsNumber(string str)
{
Regex objNotNumberPattern=new Regex("[^0-9.-]");
Regex objTwoDotPattern=new Regex("[0-9]*[.][0-9]*[.][0-9]*");
Regex objTwoMinusPattern=new Regex("[0-9]*[-][0-9]*[-][0-9]*");
String strValidRealPattern="^([-]|[.]|[-.]|[0-9])[0-9]*[.]*[0-9]+$";
String strValidIntegerPattern="^([-]|[0-9])[0-9]*$";
Regex objNumberPattern =new Regex("(" + strValidRealPattern +")|(" + strValidIntegerPattern + ")");

return !objNotNumberPattern.IsMatch(str) &&
!objTwoDotPattern.IsMatch(str) &&
!objTwoMinusPattern.IsMatch(str) &&
objNumberPattern.IsMatch(str);
}

public bool CheckIsDate(string p_strDate)
{
Regex Pattern=new Regex("(\\d{4}-)?[0-1]?\\d{1}-[0-3]?\\d{1}");
return Pattern.IsMatch(p_strDate) ;
}

public bool IsNumber(string str)
{
Regex Pattern=new Regex("[0-9]");
return Pattern.IsMatch(str) ;
}


public void CreateFile(string filename,string content)//创建文件
{

try
　 {
　　　 using (StreamWriter sw = new StreamWriter (filename,false,System.Text.Encoding.GetEncoding("GB2312")))
　　　　　 {
　　　　　　　 sw.Write (content);
sw.Close();
　　　　　 }　　　
　
}

catch(Exception e)
{
throw new Exception(e.ToString());
}
　 finally
　 {
　　　
　 }
}

public bool Exists(string filepath)
{
if(File.Exists(filepath))
{
return true;
}
else
{
return false;
}
}


public string ReadFile(string filename)//读取文件
{

try
　 {
　　　 using (StreamReader sr = new StreamReader(filename,System.Text.Encoding.GetEncoding("GB2312")))
　　　　　 {
　　　　　　　 string temp=sr.ReadToEnd();
sr.Close();
return temp;
　　　　　 }　　　 　
}

catch(Exception e)
{
throw new Exception(e.ToString());;
}
　 finally
　 {
　　　
　 }
}

public static string GetRandNum(int randNumLength)//取得指定长度随机数
{
System.Random randNum = new System.Random(unchecked((int) DateTime.Now.Ticks));
StringBuilder sb = new StringBuilder(randNumLength);
for ( int i = 0; i < randNumLength; i++ )
{
sb.Append( randNum.Next( 0, 9 ));
}
return sb.ToString();
}


public string GetFileName()//取得新文件名
{
return System.DateTime.Now.ToString("yyyyMMddHHmmss")+GetRandNum(2);
}

public string GetExtendName(string p_str)//取得新文件名
{
if(p_str!="")
return p_str.Substring(p_str.LastIndexOf("."));//取得文件扩展名
else
return "";
}

public string SubStr(string strInput,int intLen,string Str2)//截取字符串
{
strInput=strInput.Trim();
byte[] myByte = System.Text.Encoding.Default.GetBytes(strInput);
if (myByte.Length>intLen)
{
//截取操作
string resultStr="";
for(int i=0;i<strInput.Length;i++)
{
byte[] tempByte=System.Text.Encoding.Default.GetBytes(resultStr);
if(tempByte.Length<intLen)
{
resultStr+=strInput.Substring(i,1);
}
else
{
break;
}
}
return resultStr+Str2;
}
else
{
return strInput;
}
}
// public string SubStr(string Str,int Count,string Str2)//截取字符串
// {
// string temp;
// if (Count>Str.Length)
// temp=Str.Substring(0,Str.Length);
// else
// temp=Str.Substring(0,Count)+Str2;
// return temp;
// }

[veling]

public string SubStr(string Str,int Count,int type)//截取字符串
{
string temp="";
if (Count>Str.Length)
temp=Str.Substring(0,Str.Length);
else
{
if (type==1)
temp=Str.Substring(0,Count);
}
return temp;
}

//上传图片并生成缩略图
public string UpLoadImage(Stream upimgfile,string OldPath,string NewPath,int Width,int Height)
{
System.Drawing.Image oldimg,newimg;
oldimg=System.Drawing.Image.FromStream(upimgfile);
System.Drawing.Image.GetThumbnailImageAbort callb =new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
int newwidth,newheight;
newwidth=Width;
newheight=Height;
OldPath=OldPath.ToLower();

System.Drawing.Imaging.ImageFormat type=OldPath.EndsWith("gif")?System.Drawing.Imaging.ImageFormat.Gif:System.Drawing.Imaging.ImageFormat.Jpeg;

string type2=OldPath.EndsWith("gif")?".gif":".jpg";
string filename=this.GetFileName()+type2;
newimg=oldimg.GetThumbnailImage(newwidth,newheight,callb, new System.IntPtr(0));
newimg.Save(Server.MapPath(NewPath.ToLower()+filename),type);
oldimg.Dispose();
newimg.Dispose();
return filename;
}

public string UpLoadImage(Stream upimgfile,string OldPath,string NewPath,string PicName,int Width,int Height)
{
System.Drawing.Image oldimg,newimg;
oldimg=System.Drawing.Image.FromStream(upimgfile);
System.Drawing.Image.GetThumbnailImageAbort callb =new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
int newwidth,newheight;
newwidth=Width;
newheight=Height;
OldPath=OldPath.ToLower();
System.Drawing.Imaging.ImageFormat type=OldPath.EndsWith("gif")?System.Drawing.Imaging.ImageFormat.Gif:System.Drawing.Imaging.ImageFormat.Jpeg;

string type2=OldPath.EndsWith("gif")?".gif":".jpg";
if(PicName.LastIndexOf(".")>0)
PicName=PicName.Substring(0,PicName.LastIndexOf("."));
string filename=PicName+type2;
newimg=oldimg.GetThumbnailImage(newwidth,newheight,callb, new System.IntPtr(0));
newimg.Save(Server.MapPath(NewPath.ToLower()+filename),type);
oldimg.Dispose();
newimg.Dispose();
return filename;
}

public void CompressImage(string p_OldPath,string p_NewPath,int p_Width,int p_Height)
{
System.Drawing.Image oldimg,newimg;
oldimg=System.Drawing.Image.FromFile(p_OldPath);
System.Drawing.Image.GetThumbnailImageAbort callb =new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
p_OldPath=p_OldPath.ToLower();
System.Drawing.Imaging.ImageFormat type=p_OldPath.EndsWith("gif")?System.Drawing.Imaging.ImageFormat.Gif:System.Drawing.Imaging.ImageFormat.Jpeg;
newimg=oldimg.GetThumbnailImage(p_Width,p_Height,callb, new System.IntPtr(0));
oldimg.Dispose();
newimg.Save(p_NewPath.ToLower(),type);
newimg.Dispose();
}

public bool ThumbnailCallback()
{
return false;
}

public void ListToTextBox(System.Web.UI.WebControls.DropDownList ddl,ref System.Web.UI.WebControls.TextBox txt,int type)//向文本框输出选择信息
{

switch(type)
{
case 0:
txt.Text=ddl.SelectedValue;
break;
case 1:
if(ddl.SelectedValue!="")
{
string temp="/"+ txt.Text.Trim()+"/";
if(temp.IndexOf("/"+ddl.SelectedValue+"/")<0)
if (txt.Text=="")
txt.Text=ddl.SelectedValue;
else
txt.Text+="/"+ddl.SelectedValue;
}
break;
}

}

//获取http页面函数
public string Get_Http(string a_strUrl)
{
string strResult="" ;
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(a_strUrl) ;

try
{
HttpWebResponse res = (HttpWebResponse)req.GetResponse();
Stream myStream = res.GetResponseStream() ;

StreamReader objReader = new StreamReader(myStream,Encoding.GetEncoding("Gb2312"));

strResult = objReader.ReadToEnd();
objReader.Close();
myStream.Close();
res.Close();

}
catch(Exception ex)
{
strResult = "错误：" + ex.Message;
//throw new Exception("无相关信息!");
}
finally
{

}


return strResult ;

}

//获取POST页面
public string Get_Post(string url,string senddata)
{
string strResult="" ;
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url) ;

byte[] requestBytes=System.Text.Encoding.ASCII.GetBytes(senddata);
req.Method="POST";
req.ContentType="application/x-www-form-urlencoded";
req.ContentLength = requestBytes.Length;
Stream requestStream = req.GetRequestStream();
requestStream.Write(requestBytes,0,requestBytes.Length);

HttpWebResponse res = (HttpWebResponse)req.GetResponse();
StreamReader sr = new StreamReader(res.GetResponseStream(),Encoding.Default);
strResult=sr.ReadToEnd();
requestStream.Close();
sr.Close();
res.Close();


}
catch(Exception ex)
{
throw new Exception(ex.ToString());
}

return strResult ;

}

[veling]

public void UpRemoteFileToLocal(string RemoteUrl,string LocalFile)
{
try
{
WebClient myWebClient=new WebClient();
myWebClient.DownloadFile(RemoteUrl, LocalFile);

}
catch(Exception ex)
{
throw new Exception(ex.ToString());
}
}

/// <summary>
/// 修改传入内容,同时将远程图片保存至本地
/// </summary>
/// <param name="p_strContent">传入内容</param>
/// <param name="p_strFolder">创建文件路径</param>
/// <param name="p_strFileName">文件名</param>
/// <param name="p_strSiteName">站点网址</param>
/// <returns></returns>
public string RomoteFileToLocal(string p_strContent,string p_strFolder,string p_strFileName,string p_strSiteName)
{
p_strContent=Regex.Replace(p_strContent,"<object[^>]*>.*?</object>","");//清除FLASH等插件
string strPattern="<IMG[^>].*?>";
string strPattern2="http://./*?((\\.gif)|(\\.jpg)|(\\.png))"; //取出里面的地址
Regex reg=new Regex(strPattern,RegexOptions.IgnoreCase|RegexOptions.Singleline);
Regex reg2=new Regex(strPattern2,RegexOptions.IgnoreCase|RegexOptions.Singleline);
MatchCollection matches=reg.Matches(p_strContent);
for(int i=0;i<matches.Count;i++)
{
string strRemoteUrl=matches[i].Value.ToString();
Match m = reg2.Match(strRemoteUrl);
if(m.Success)
{
string strMatch=m.Value.ToString();
if(strMatch.IndexOf(p_strSiteName)<0)
{

string strFileType=strMatch.Substring(strMatch.LastIndexOf("."));//取得文件扩展名
string strFileName=p_strFileName;
if(p_strFileName.LastIndexOf(".")>0)
strFileName=p_strFileName.Substring(0,p_strFileName.LastIndexOf("."));
string strPicName=strFileName+"_"+GetPicMaxNum(p_strContent,strFileName,p_strSiteName).ToString()+strFileType;
string strFilePath=p_strFolder+strPicName;
string strSitepath=p_strSiteName+strPicName;
this.UpRemoteFileToLocal(strMatch,Server.MapPath(strFilePath));//将远程文件转化为本地文件
p_strContent=p_strContent.Replace(strMatch,strSitepath);
}
}

}
return p_strContent;

}

/// <summary>
/// 修改传入内容,同时将远程图片保存至本地
/// </summary>
/// <param name="p_strContent">传入内容</param>
/// <param name="p_strFolder">创建文件路径</param>
/// <param name="p_strFileName">文件名</param>
/// <param name="p_strSiteName">站点网址</param>
/// <param name="p_alPic">待输出图片数组</param>
/// <returns></returns>
public string RomoteFileToLocal(string p_strContent,string p_strFolder,string p_strFileName,string p_strSiteName,out ArrayList p_alPic)
{
p_alPic=new ArrayList();
p_strContent=Regex.Replace(p_strContent,"<object[^>]*>.*?</object>","");//清除FLASH等插件
string strPattern="http://./*?((\\.gif)|(\\.jpg)|(\\.png))"; //取出里面的地址
Regex reg=new Regex(strPattern,RegexOptions.IgnoreCase|RegexOptions.Singleline);
MatchCollection matches=reg.Matches(p_strContent);
for(int i=0;i<matches.Count;i++)
{
string strMatch=matches[i].Value.ToString();

//如何该图片未上传到本地,则将其传到本地
if(strMatch.IndexOf(p_strSiteName)<0)
{

string strFileType=strMatch.Substring(strMatch.LastIndexOf("."));//取得文件扩展名
string strFileName=p_strFileName;
if(p_strFileName.LastIndexOf(".")>0)
strFileName=p_strFileName.Substring(0,p_strFileName.LastIndexOf("."));
string strPicName=strFileName+"_"+GetPicMaxNum(p_strContent,strFileName,p_strSiteName).ToString()+strFileType;//取得图片名
p_alPic.Add(strPicName);
string strFilePath=p_strFolder+strPicName;
string strSitepath=p_strSiteName+strPicName;
this.UpRemoteFileToLocal(strMatch,Server.MapPath(strFilePath));//将远程文件转化为本地文件
p_strContent=p_strContent.Replace(strMatch,strSitepath);
}
else//如果已在本地,则将其存入数组
{
string strPicName;
if(strMatch.LastIndexOf("/")>-1)
strPicName=strMatch.Substring(strMatch.LastIndexOf("/")+1);
else
strPicName=strMatch.Substring(strMatch.LastIndexOf("/"));
p_alPic.Add(strPicName);
}


}
return p_strContent;

}

/// <summary>
/// 修改传入内容,同时将远程图片保存至本地
/// </summary>
/// <param name="p_strContent">传入内容</param>
/// <param name="p_strFolder">创建文件路径</param>
/// <param name="p_strFileName">文件名</param>
/// <param name="p_strSiteName">站点网址</param>
/// <param name="p_NotProcess">不处理的图片数组</param>
/// <param name="p_alPic">待输出图片数组</param>
/// <returns></returns>
public string RomoteFileToLocal(string p_strContent,string p_strFolder,string p_strFileName,string p_strSiteName,ArrayList p_alNotProcess,out ArrayList p_alPic)
{
p_alPic=new ArrayList();
p_strContent=Regex.Replace(p_strContent,"<object[^>]*>.*?</object>","");//清除FLASH等插件
string strPattern="http://./*?((\\.gif)|(\\.jpg)|(\\.png))"; //取出里面的地址
if (p_alNotProcess!=null)
{
string str="(?!";
for (int i=0;i<p_alNotProcess.Count;i++)
{
if(i==p_alNotProcess.Count)
str+=p_alNotProcess[i].ToString()+"";
else
str+=p_alNotProcess[i].ToString()+"|";
}
str+=")";
strPattern=str+strPattern;

}
Regex reg=new Regex(strPattern,RegexOptions.IgnoreCase|RegexOptions.Singleline);
MatchCollection matches=reg.Matches(p_strContent);
for(int i=0;i<matches.Count;i++)
{
string strMatch=matches[i].Value.ToString();//取得匹配内容

if(strMatch.IndexOf(p_strSiteName)<0)
{

string strFileType=strMatch.Substring(strMatch.LastIndexOf("."));//取得文件扩展名
string strFileName=p_strFileName;
if(p_strFileName.LastIndexOf(".")>0)
strFileName=p_strFileName.Substring(0,p_strFileName.LastIndexOf("."));
string strPicName=strFileName+"_"+GetPicMaxNum(p_strContent,strFileName,p_strSiteName).ToString()+strFileType;
p_alPic.Add(strPicName);
string strFilePath=p_strFolder+strPicName;
string strSitepath=p_strSiteName+strPicName;
this.UpRemoteFileToLocal(strMatch,Server.MapPath(strFilePath));//将远程文件转化为本地文件
p_strContent=p_strContent.Replace(strMatch,strSitepath);
}
else
{
string strPicName;
if(strMatch.LastIndexOf("/")>-1)
strPicName=strMatch.Substring(strMatch.LastIndexOf("/")+1);
else
strPicName=strMatch.Substring(strMatch.LastIndexOf("/"));
p_alPic.Add(strPicName);
}


}
return p_strContent;

}

[porschev]

接分个。。。

[chengfellow]

public static class EncryptExtension {
        public static string MD5(this string input) {
            string returnValue = string.Empty;
            byte[] inputBytes = Encoding.UTF8.GetBytes(input);
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
            byte[] resultBytes = md5.ComputeHash(inputBytes);
            foreach (byte b in resultBytes)
                returnValue += b.ToString("X").PadLeft(2, '0');
            md5.Clear();
            return returnValue;
        }

        /// <summary>
        /// RijndaelManaged加密
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public static string Encrypt(this string input) {
            if (input.IsEmpty())
                return string.Empty;
            return BaseEncrypt.Encrypt(input);
        }

        /// <summary>
        /// 解密RijndaelManaged加密字符串
        /// </summary>
        /// <param name="input"></param>
        /// <param name="originalText">解密后的明文字符串</param>
        /// <returns></returns>
        public static string Decrypt(this string input) {
            if (input.IsEmpty())
                return string.Empty;
            try {
                return BaseEncrypt.Decrypt(input);
            }
            catch { }
            return string.Empty;
        }

        /// <summary>
        /// 带时间戳的RijndaelManaged加密
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public static string EncyptWithTime(this string input) {
            if (input.IsEmpty())
                return string.Empty;
            int l = input.Length;
            string time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
            Random rnd = new Random();
            int P = rnd.Next(l);

            input = input.Insert(P, time);
            input = input.Encrypt();
            input += string.Format("^{0}", P);
            return input.Encrypt();
        }

        /// <summary>
        /// 解密带时间戳的RijndaelManaged的加密串
        /// </summary>
        /// <param name="input"></param>
        /// <param name="originalText">解密后的明文字符串</param>
        /// <param name="time">时间戳</param>
        /// <returns></returns>
        public static bool TryDecryptWithTime(this string input, out string text, out DateTime time) {
            text = string.Empty;
            time = DateTime.MinValue;

            if (!(text = input.Decrypt()).IsEmpty()) {
                int position = text.LastIndexOf('^');
                if (position != -1) {
                    int P = text.Substring(position + 1).ParseTo<int>();
                    if (P > 0) {
                        text = text.Substring(0, position);
                        if (!(text = text.Decrypt()).IsEmpty()) {
                            time = text.Substring(P, 19).ParseTo<DateTime>();
                            text = text.Substring(0, P) + text.Substring(P + 19);
                            return true;
                        }
                    }
                }
            }

            return false;
        }
    }

[Teng_s2000]

[wangsong145]

谢谢楼主了

[十八道胡同]

阴历阳历相互转换
http://www.cnblogs.com/cwfsoft/archive/2010/04/30/1725141.html

[whrspsoft3723]

[xuld]

C#常用代码集合 - 功能完整|效率高速|文档丰富

已经包括上面的所有功能了。。

[glslian]

下雪了。。。大家新年好！接分。。。

[thisiscandy]