using System.Web;
using System.Data;
using System;
/// <summary>
///Util 的摘要说明
/// </summary>
public class Util
{
/// <summary>
/// 过滤字符串中的html代码
/// </summary>
/// <param name="Str">传入字符串</param>
/// <returns>过滤后的字符串</returns>
public string LostHTML(string Str)
{
string Re_Str = "";
if (Str != null)
{
if (Str != string.Empty)
{
string Pattern = "<\\/*[^<>]*>";
Re_Str = System.Text.RegularExpressions.Regex.Replace(Str, Pattern, "");
}
}
return (Re_Str.Replace("\r", "")).Replace("\n", "").Replace("\t", "");
}
/// <summary>
/// 获取指定长度字符串
/// </summary>
/// <param name="content">字符串内容</param>
/// <param name="Num">字节的长度</param>
/// <returns></returns>
public string GetContent(object obj, int num)
{
string content = getToString(obj);
if (content.Length < 1)
{
return "";
}
if (System.Text.Encoding.Default.GetBytes(content).Length > num)
{
int i = 0;
string str = "";
while (true)
{
string temp = str + content.Substring(i, 1);
if (System.Text.Encoding.Default.GetBytes(temp).Length <= num)
{
str = temp;
}
else
{
return str;
}
i++;
}
}
return content;
}
/// <summary>
/// 获取指定长度字符串
/// </summary>
/// <param name="content">字符串内容</param>
/// <param name="num">字节的长度</param>
/// <param name="endstring">是否加省略字符串</param>
/// <returns>截取后的字符串</returns>
public string GetContent(object obj, int num, string endstring)
{
string content = getToString(obj);
if (content.Length < 1)
{
return "";
}
if (endstring != null && endstring.Length > 0)
{
if (System.Text.Encoding.Default.GetBytes(content).Length > num)
{
return string.Format("{0}{1}", GetContent(content, num), endstring);
}
}
return GetContent(content, num);
}
public string getJieSheng(object old, object cur)
{
return (getToDecimal(old) - getToDecimal(cur)).ToString("f2");
}
public bool getToBool(object obj)
{
if (obj == null)
return false;
bool flag = false;
bool.TryParse(obj.ToString(), out flag);
return flag;
}
public int getToInt(object obj)
{
if (obj == null)
return 0;
int def;
int.TryParse(obj.ToString(), out def);
return def;
}
public decimal getToDecimal(object obj)
{
decimal def = 0;
if (obj == null)
return def;
decimal.TryParse(obj.ToString(), out def);
return def;
}
public int getToInt(object obj, int def)
{
if (obj == null)
return def;
int.TryParse(obj.ToString(), out def);
return def;
}
public string getToString(object obj)
{
if (obj == null)
return "";
string aa = obj.ToString().Trim();
if (aa.Length < 1)
return "";
return aa;
}
public string getToString(object obj, string def)
{
if (obj == null)
return def;
string aa = obj.ToString().Trim();
if (aa.Length < 1)
return def;
return aa;
}
HttpRequest request = HttpContext.Current.Request;
public int getFormInt(string obj)
{
return getToInt(request.Form[obj]);
}
public string getFormString(string obj)
{
return getToString(request.Form[obj]);
}
public int getQueryStringInt(string obj)
{
return getToInt(request.QueryString[obj]);
}
public string getQueryStringString(string obj)
{
return getToString(request.QueryString[obj]);
}
public long getQueryStringLong(string obj)
{
return getToLong(request.QueryString[obj]);
}
public long getToLong(object obj)
{
long def = 0;
if (obj == null)
return def;
long.TryParse(obj.ToString(), out def);
return def;
}
public string getBanner(DataRow[] drs, int width, int height, string tag, int len)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
if (drs.Length > 0)
{
bool _target, _flag = tag.Length > 0 ? true : false;
string _href, _title, _alt;
int i = 0;
foreach (DataRow dr in drs)
{
if (len == i && len != 0) { break; }
i++;
_href = getToString(dr["GetUrl"]);
_title = getToString(dr["Title"]);
_target = getToBool(dr["NewWindow"]);
_alt = getToString(dr["Alt"]);
if (_flag) { sb.AppendFormat("<{0}>", tag); }
sb.AppendFormat("<a href='{0}'{1}{2}><img src='{3}'{5}{6}{4} /></a>",
_href.Length > 0 ? _href : "#none", _title.Length > 0 ? " title='" + _title + "'" : "",
_target ? " target='_blank'" : "", dr["Image"], _alt.Length > 0 ? " alt='" + _alt + "'" : "",
width > 0 ? " width='" + width + "'" : "", height > 0 ? " height='" + height + "'" : "");
if (_flag) { sb.AppendFormat("</{0}>", tag); }
}
}
return sb.ToString();
}
public string getBanner(DataRow[] drs, int width, int height, string tag, int len, string css)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
if (drs.Length > 0)
{
bool _target, _flag = tag.Length > 0 ? true : false;
string _href, _title, _alt;
int i = 0;
foreach (DataRow dr in drs)
{
if (len == i && len != 0) { break; }
i++;
_href = getToString(dr["GetUrl"]);
_title = getToString(dr["Title"]);
_target = getToBool(dr["NewWindow"]);
_alt = getToString(dr["Alt"]);
if (_flag) { sb.AppendFormat("<{0}{1}>", tag, css); }
sb.AppendFormat("<a href='{0}'{1}{2}><img src='{3}'{5}{6}{4} /></a>",
_href.Length > 0 ? _href : "#none", _title.Length > 0 ? " title='" + _title + "'" : "",
_target ? " target='_blank'" : "", dr["Image"], _alt.Length > 0 ? " alt='" + _alt + "'" : "",
width > 0 ? " width='" + width + "'" : "", height > 0 ? " height='" + height + "'" : "");
if (_flag) { sb.AppendFormat("</{0}>", tag); }
}
}
return sb.ToString();
}
public string getMatchProductImg(object obj, string size)
{
string pic = getToString(obj);
if (pic.Length > 0)
{
return pic.Replace("/UploadImage/Product/", "/UploadImage/Product/Thumbnail/" + size + "/");
}
return "/images/nopic.jpg";
}
/// <summary>
/// 获得分类的上级
/// </summary>
/// <param name="classid">当前分类编号</param>
/// <returns>详细分类</returns>
public string getParentStr(object classid)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
DataTable dt = new MySqlExecute().getDT(string.Format(@"with my as
(
select ClassID,ClassName,ParentID from TB_Category where ClassID={0}
union all
select aa.ClassID,aa.ClassName,aa.ParentID from my,TB_Category aa where my.ParentID=aa.ClassID and aa.ParentID<>0
) select * from my", classid));
int len = dt.Rows.Count;
if (len > 0)
{
for (int i = len - 1; i >= 0; i--)
{
sb.Append("<span>></span>");
if (getToLong(dt.Rows[i]["ClassID"]) == getToLong(classid))
{
sb.AppendFormat("<strong>{0}</strong>", dt.Rows[i]["ClassName"]);
}
else
{
sb.AppendFormat("<a href='/product/?classid={0}'>{1}</a>", dt.Rows[i]["ClassID"], dt.Rows[i]["ClassName"]);
}
}
}
return sb.ToString();
}
/// <summary>
/// 获得地区的上级
/// </summary>
/// <param name="classid">当前地区编号</param>
/// <returns>详细地区</returns>
public string getAddressStr(object classid)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
DataTable dt = new MySqlExecute().getDT(string.Format(@"with my as
(
select AreaID,AreaName,ParentID from TB_Area where AreaID={0}
union all
select aa.AreaID,aa.AreaName,aa.ParentID from my,TB_Area aa where my.ParentID=aa.AreaID and aa.ParentID<>0
) select * from my", classid));
int len = dt.Rows.Count;
if (len > 0)
{
for (int i = len - 1; i >= 0; i--)
{
sb.AppendFormat("{0}", dt.Rows[i]["AreaName"]);
}
}
return sb.ToString();
}
public string getToDateStr(object obj)
{
return Convert.ToDateTime(obj).ToString("MM/dd/yyyy HH:mm:ss").Replace("-", "/");
}
public string getToBrStr(object obj)
{
return getToString(obj);//.Replace("\r\n", "<br />")
}
public string getSqlClear(string aa)
{
return aa.Replace("'", "''").Replace("[-|;|@|%]", "");
}
}