/// <summary>
/// 按照固定的某宽/某高等比例缩放图片
/// </summary>
/// <param name="Path"></param>
/// <param name="Limitwidth">最大宽度</param>
/// <param name="Limitheight">最大高度</param>
/// <param name="OutWidth">输出宽度</param>
/// <param name="OutHeight">输出高度</param>
public static void GetImageThumbnailSize(string Path, int Limitwidth, int Limitheight, out int OutWidth, out int OutHeight)
{
if (!Wf_StringHelper.IsNullOrEmptyByTrim(Path))
{
//获取图片
string filepath = System.Web.HttpContext.Current.Server.MapPath("/") + (Path.IndexOf('/') == 0 ? Path.Remove(0, 1) : Path);
Image image = Image.FromFile(filepath);
if (image != null)
{
if (Limitwidth > 0 && image.Width >= Limitwidth) //指定高度进行缩放
{
OutWidth = Limitwidth;
OutHeight = Wf_ConvertHelper.ToInt32(Limitwidth * image.Height / image.Width);
}
else if (Limitheight > 0 && image.Height >= Limitheight) //指定宽度进行缩放
{
OutHeight = Limitheight;
OutWidth = Wf_ConvertHelper.ToInt32(Limitheight * image.Width / image.Height);
}
else
{
OutWidth = image.Width;
OutHeight = image.Height;
}
return;
}
}
OutWidth = 200;
OutHeight = 200;
}
public static string ParseHtml(object obj)
{
try
{
return(ParseHtml(Wf_ConvertHelper.ToString(obj)));
}
catch { return(""); }
}
public static DateTime ToDateTime(object input)
{
try
{
return(ToDateTime(Wf_ConvertHelper.ToString(input)));
}
catch { return(DateTime.MinValue); }
}
/// <summary>
/// 将字符串分割,返回int[]数组
/// </summary>
/// <param name="input">字符串</param>
/// <returns>int[]</returns>
public static int[] SplitRetInt(string input)
{
string[] strs = Split(input);
int[] ids = new int[strs.Length];
for (int i = 0; i < ids.Length; i++)
{
ids[i] = Wf_ConvertHelper.ToInt32(strs[i]);
}
return(ids);
}
public static int GetHtmlPageCount(string html)
{
if (Wf_StringHelper.IsNullOrEmptyByTrim(html))
{
return(0);
}
try
{
Regex regex = new Regex("<span class=\"toprand-page-numpage\">.*?</span>");
MatchCollection matchs = regex.Matches(html);
string count = new Regex(@"^\+?[1-9]\d*$").Match(matchs[matchs.Count - 1].Value).Value;
return(Wf_ConvertHelper.ToInt32(count));
}
catch { return(0); }
}
public static int ToInt32(object input, int defaultValue)
{
string temp = Wf_ConvertHelper.ToString(input);
if (string.IsNullOrEmpty(temp))
{
return(defaultValue);
}
if (Wf_RegexHelper.IsInt(temp))
{
return(System.Convert.ToInt32(input));
}
else
{
return(defaultValue);
}
}
public static short ToInt16(object input, short defaultValue)
{
string temp = Wf_ConvertHelper.ToString(input);
if (Wf_StringHelper.IsNullOrEmptyByTrim(temp))
{
return(defaultValue);
}
if (Wf_RegexHelper.IsInt(temp))
{
return(System.Convert.ToInt16(temp));
}
else
{
return(defaultValue);
}
}
public static decimal ToDecimal(object input, decimal defaultValue)
{
string temp = Wf_ConvertHelper.ToString(input);
if (Wf_StringHelper.IsNullOrEmptyByTrim(input))
{
return(defaultValue);
}
if (Wf_RegexHelper.IsNumeric(temp))
{
return(System.Convert.ToDecimal(input));
}
else
{
return(defaultValue);
}
}
public static float ToFloat(object input, float defaultValue)
{
string temp = Wf_ConvertHelper.ToString(input);
if (Wf_StringHelper.IsNullOrEmptyByTrim(input))
{
return(defaultValue);
}
if (Wf_RegexHelper.IsNumeric(temp))
{
return(System.Convert.ToSingle(input));
}
else
{
return(defaultValue);
}
}
public static string ParseHtmlBQ(object temp)
{
string html = Wf_ConvertHelper.ToString(temp);
if (Wf_StringHelper.IsNullOrEmptyByTrim(html))
{
return("");
}
try
{
html = Wf_RegexHelper.ParseToHtml(html); //替换换行 空格
html = System.Text.RegularExpressions.Regex.Replace(html, "<!--.*?-->", "", System.Text.RegularExpressions.RegexOptions.Compiled);
html = System.Text.RegularExpressions.Regex.Replace(html, "((<[a-z!].*?>)|(</.+?>))", "", System.Text.RegularExpressions.RegexOptions.Compiled | System.Text.RegularExpressions.RegexOptions.IgnoreCase | System.Text.RegularExpressions.RegexOptions.Singleline);
html = System.Text.RegularExpressions.Regex.Replace(html, @"\s+", " ", System.Text.RegularExpressions.RegexOptions.Compiled | System.Text.RegularExpressions.RegexOptions.IgnoreCase | System.Text.RegularExpressions.RegexOptions.Singleline);
html = System.Text.RegularExpressions.Regex.Replace(html, @" ", " ", System.Text.RegularExpressions.RegexOptions.Compiled | System.Text.RegularExpressions.RegexOptions.IgnoreCase | System.Text.RegularExpressions.RegexOptions.Singleline);
return(html);
}
catch { return(""); }
}
/// <summary>
/// 判断字符串是否为null或""(清楚首尾空格)
/// </summary>
/// <param name="input">object</param>
/// <returns>为空或""返回true，否则flase</returns>
public static bool IsNullOrEmptyByTrim(object input)
{
return(IsNullOrEmptyByTrim(Wf_ConvertHelper.ToString(input)));
}
public static string GetUpLoadImagePath(object imagesPath, bool findSmallImg)
{
return(GetUpLoadImagePath(Wf_ConvertHelper.ToString(imagesPath), findSmallImg));
}
/// <summary>
/// 判断字符是否为英文或数字
/// </summary>
/// <param name="ch">字符</param>
/// <returns>是英文或数组则返回true，否则返回false</returns>
public static bool IsEnglishOrInteger(char ch)
{
return(System.Text.RegularExpressions.Regex.Match(Wf_ConvertHelper.ToString(ch), englishCharAndDigit, System.Text.RegularExpressions.RegexOptions.Compiled).Success);
}
private static object ChangeType(object value, Type type, bool SqlKeyWordsFilter)
{
string tempValue = SqlKeyWordsFilter == true?
Wf_RegexHelper.ParseHtmlBQ(Wf_RegexHelper.SqlKeyWordsFilter(Wf_ConvertHelper.ToString(value))) : Wf_ConvertHelper.ToString(value);
if (type.IsGenericType && type.GetGenericTypeDefinition().Equals(typeof(Nullable <>)))
{
System.ComponentModel.NullableConverter nullableConverter = new System.ComponentModel.NullableConverter(type);
return(Convert.ChangeType(tempValue, nullableConverter.UnderlyingType));
}
else
{
return(Convert.ChangeType(tempValue, type));
}
}
public static void MappingControlShow(object obj, HtmlForm form, ContentPlaceHolder cph)
{
try
{
if (obj == null)
{
return;
}
List <PropertyInfo> pilist = obj.GetType().GetProperties().ToList();
Control baseControl = cph == null ? (Control)form : (Control)cph;
foreach (PropertyInfo pi in pilist)
{
Control ctrl = baseControl.FindControl("txt" + pi.Name);
ctrl = ctrl == null?baseControl.FindControl("lbl" + pi.Name) : ctrl;
ctrl = ctrl == null?baseControl.FindControl("lit" + pi.Name) : ctrl;
ctrl = ctrl == null?baseControl.FindControl("hid" + pi.Name) : ctrl;
ctrl = ctrl == null?baseControl.FindControl("ddl" + pi.Name) : ctrl;
ctrl = ctrl == null?baseControl.FindControl("rdo" + pi.Name) : ctrl;
ctrl = ctrl == null?baseControl.FindControl("chk" + pi.Name) : ctrl;
if (ctrl == null)
{
continue;
}
else if (ctrl is TextBox)
{
TextBox txt = ctrl as TextBox;
txt.Text = Wf_ConvertHelper.ToString(pi.GetValue(obj, null));
}
else if (ctrl is Label)
{
Label lbl = ctrl as Label;
lbl.Text = Wf_ConvertHelper.ToString(pi.GetValue(obj, null));
}
else if (ctrl is Literal)
{
Literal lit = ctrl as Literal;
lit.Text = Wf_ConvertHelper.ToString(pi.GetValue(obj, null));
}
else if (ctrl is HiddenField)
{
HiddenField hid = ctrl as HiddenField;
hid.Value = Wf_ConvertHelper.ToString(pi.GetValue(obj, null));
}
else if (ctrl is DropDownList)
{
DropDownList ddl = ctrl as DropDownList;
foreach (ListItem item in ddl.Items)
{
object value = pi.GetValue(obj, null);
if (item.Value == Wf_ConvertHelper.ToString(value))
{
ddl.SelectedValue = item.Value;
}
}
}
else if (ctrl is RadioButtonList)
{
RadioButtonList rdo = ctrl as RadioButtonList;
object value = pi.GetValue(obj, null);
string[] arr = Wf_ConvertHelper.ToString(value, "").Split(',');
foreach (ListItem item in rdo.Items)
{
if (arr.Contains(item.Value))
{
item.Selected = true;
}
}
}
else if (ctrl is CheckBoxList)
{
CheckBoxList chk = ctrl as CheckBoxList;
object value = pi.GetValue(obj, null);
string[] arr = Wf_ConvertHelper.ToString(value, "").Split(',');
foreach (ListItem item in chk.Items)
{
if (arr.Contains(item.Value))
{
item.Selected = true;
}
}
}
continue;
}
}
catch { }
}