本文实例讲述了C#实现对用户输入数据进行校验的类。分享给大家供大家参考。具体如下:
这个C#类包含了各种常用数据验证的函数,包含验证是否是数字,校验email格式,区分中英文截取字符串,区分中英文计算字符串长度,检测是否包含中文字符,判断是否包含特定字符等
using System;
using System.Text;
using System.Web;
using System.Web.UI.WebControls;
using System.Text.RegularExpressions;
namespace DotNet.Utilities
{
public class PageValidate
{
private static Regex RegNumber = new Regex(\"^[0-9]+$\");
private static Regex RegNumberSign = new Regex(\"^[+-]?[0-9]+$\");
private static Regex RegDecimal = new Regex(\"^[0-9]+[.]?[0-9]+$\");
private static Regex RegDecimalSign = new Regex(\"^[+-]?[0-9]+[.]?[0-9]+$\"); //等价于^[+-]?\\d+[.]?\\d+$
private static Regex RegEmail = new Regex(\"^[\\\\w-]+@[\\\\w-]+\\\\.(com|net|org|edu|mil|tv|biz|info)$\");//w 英文字母或数字的字符串,和 [a-zA-Z0-9] 语法一样
private static Regex RegCHZN = new Regex(\"[\\u4e00-\\u9fa5]\");
public PageValidate()
{
}
#region 数字字符串检查
/// <summary>
/// 格式化字符串
/// </summary>
/// <param name=\"inputData\">源字符串</param>
/// <param name=\"formatlevel\">0:不做验证| 1:sql语句参数| 2:存储过程参数| 3:EncodeHtml| 4:Encode+sql| 5:Encode+存储过程</param>
/// <returns>返回格式化后的字符串</returns>
public static string FormatString(string inputData, int formatlevel)
{
return inputData;
}
/// <summary>
/// 检查Request查询字符串的键值,是否是数字,最大长度限制
/// </summary>
/// <param name=\"req\">Request</param>
/// <param name=\"inputKey\">Request的键值</param>
/// <param name=\"maxLen\">最大长度</param>
/// <returns>返回Request查询字符串</returns>
public static string FetchInputDigit(HttpRequest req, string inputKey, int maxLen)
{
string retVal = string.Empty;
if (inputKey != null && inputKey != string.Empty)
{
retVal = req.QueryString[inputKey];
if (null == retVal)
retVal = req.Form[inputKey];
if (null != retVal)
{
retVal = SqlText(retVal, maxLen);
if (!IsNumber(retVal))
retVal = string.Empty;
}
}
if (retVal == null)
retVal = string.Empty;
return retVal;
}
public enum CheckType
{ None, Int, SignInt, Float, SignFloat, Chinese, Mail }
/// <summary>
/// 检测字符串类型
/// </summary>
/// <param name=\"inputData\">输入字符串</param>
/// <param name=\"checktype\">0:不检测| 1:数字| 2:符号数字| 3: 浮点数| 4:符号浮点| 5: 中文?| 6:邮件?</param>
/// <returns></returns>
public static bool checkString(string inputData, int checktype)
{
bool _return = false;
switch (checktype)
{
case 0:
_return = true;
break;
case 1:
_return = IsNumber(inputData);
break;
case 2:
_return = IsNumberSign(inputData);
break;
case 3:
_return = IsDecimal(inputData);
break;
case 4:
_return = IsDecimalSign(inputData);
break;
case 5:
_return = IsHasCHZN(inputData);
break;
case 6:
_return = IsEmail(inputData);
break;
default:
_return = false;
break;
}
return _return;
}
/// <summary>
/// 是否数字字符串
/// </summary>
/// <param name=\"inputData\">输入字符串</param>
/// <returns></returns>
public static bool IsNumber(string inputData)
{
Match m = RegNumber.Match(inputData);
return m.Success;
}
/// <summary>
/// 是否数字字符串 可带正负号
/// </summary>
/// <param name=\"inputData\">输入字符串</param>
/// <returns></returns>
public static bool IsNumberSign(string inputData)
{
Match m = RegNumberSign.Match(inputData);
return m.Success;
}
/// <summary>
/// 是否是浮点数
/// </summary>
/// <param name=\"inputData\">输入字符串</param>
/// <returns></returns>
public static bool IsDecimal(string inputData)
{
Match m = RegDecimal.Match(inputData);
return m.Success;
}
/// <summary>
/// 是否是浮点数 可带正负号
/// </summary>
/// <param name=\"inputData\">输入字符串</param>
/// <returns></returns>
public static bool IsDecimalSign(string inputData)
{
Match m = RegDecimalSign.Match(inputData);
return m.Success;
}
#endregion
#region 中文检测
/// <summary>
/// 检测是否有中文字符
/// </summary>
/// <param name=\"inputData\"></param>
/// <returns></returns>
public static bool IsHasCHZN(string inputData)
{
Match m = RegCHZN.Match(inputData);
return m.Success;
}
#endregion
public static string GetShortDate(string dt)
{
return Convert.ToDateTime(dt).ToShortDateString();
}
#region 邮件地址
/// <summary>
/// 是否是浮点数 可带正负号
/// </summary>
/// <param name=\"inputData\">输入字符串</param>
/// <returns></returns>
public static bool IsEmail(string inputData)
{
Match m = RegEmail.Match(inputData);
return m.Success;
}
#endregion
#region 其他
/// <summary>
/// 检查字符串最大长度,返回指定长度的串
/// </summary>
/// <param name=\"sqlInput\">输入字符串</param>
/// <param name=\"maxLength\">最大长度</param>
/// <returns></returns>
public static string SqlText(string sqlInput, int maxLength)
{
if (sqlInput != null && sqlInput != string.Empty)
{
sqlInput = sqlInput.Trim();
if (sqlInput.Length > maxLength)//按最大长度截取字符串
sqlInput = sqlInput.Substring(0, maxLength);
}
return sqlInput;
}
/// <summary>
/// 字符串编码
/// </summary>
/// <param name=\"inputData\"></param>
/// <returns></returns>
public static string HtmlEncode(string inputData)
{
return HttpUtility.HtmlEncode(inputData);
}
/// <summary>
/// 设置Label显示Encode的字符串
/// </summary>
/// <param name=\"lbl\"></param>
/// <param name=\"txtInput\"></param>
public static void SetLabel(Label lbl, string txtInput)
{
lbl.Text = HtmlEncode(txtInput);
}
public static void SetLabel(Label lbl, object inputObj)
{
SetLabel(lbl, inputObj.ToString());
}
#endregion
#region 对于用户权限从数据库中读出的解密过程
public static string switch_riddle(string s_ch)//解密
{
string s_out, s_temp, temp;
int i_len = s_ch.Length;
if (i_len == 0 || s_ch == \"\")
{
s_out = \"0\";
}
temp = \"\";
s_temp = \"\";
s_out = \"\";
for (int i = 0; i <= i_len - 1; i++)
{
temp = s_ch.Substring(i, 1);
switch (temp)
{
case \"a\": s_temp = \"1010\";
break;
case \"b\": s_temp = \"1011\";
break;
case \"c\": s_temp = \"1100\";
break;
case \"d\": s_temp = \"1101\";
break;
case \"e\": s_temp = \"1110\";
break;
case \"f\": s_temp = \"1111\";
break;
case \"0\": s_temp = \"0000\";
break;
case \"1\": s_temp = \"0001\";
break;
case \"2\": s_temp = \"0010\";
break;
case \"3\": s_temp = \"0011\";
break;
case \"4\": s_temp = \"0100\";
break;
case \"5\": s_temp = \"0101\";
break;
case \"6\": s_temp = \"0110\";
break;
case \"7\": s_temp = \"0111\";
break;
case \"8\": s_temp = \"1000\";
break;
case \"9\": s_temp = \"1001\";
break;
default: s_temp = \"0000\";
break;
}
s_out = s_out + s_temp;
s_temp = \"\";
}
return s_out;
}
#endregion
#region 用户权限的加密过程
public static string switch_encrypt(string s_ch)
{
string s_out, s_temp, temp;
int i_len = 64;
if (i_len == 0 || s_ch == \"\")
{
s_out = \"0000\";
}
temp = \"\";
s_temp = \"\";
s_out = \"\";
for (int i = 0; i <= i_len - 1; i = i + 4)
{
temp = s_ch.Substring(i, 4);
switch (temp)
{
case \"1010\": s_temp = \"a\";
break;
case \"1011\": s_temp = \"b\";
break;
case \"1100\": s_temp = \"c\";
break;
case \"1101\": s_temp = \"d\";
break;
case \"1110\": s_temp = \"e\";
break;
case \"1111\": s_temp = \"f\";
break;
case \"0000\": s_temp = \"0\";
break;
case \"0001\": s_temp = \"1\";
break;
case \"0010\": s_temp = \"2\";
break;
case \"0011\": s_temp = \"3\";
break;
case \"0100\": s_temp = \"4\";
break;
case \"0101\": s_temp = \"5\";
break;
case \"0110\": s_temp = \"6\";
break;
case \"0111\": s_temp = \"7\";
break;
case \"1000\": s_temp = \"8\";
break;
case \"1001\": s_temp = \"9\";
break;
default: s_temp = \"0\";
break;
}
s_out = s_out + s_temp;
s_temp = \"\";
}
return s_out;
}//加密
#endregion
#region 访问权限
public static bool CheckTrue(string s_admin, int a)
{
string s_temp = \"\";
s_temp = s_admin.Substring(a - 1, 1); //s_admin为全局变量
if (s_temp == \"\" || s_temp == \"1\")
{
return true;
}
else
{
return false;
}
}
#endregion
#region 检测字符串长度
/// <summary>
/// 计算文本长度,区分中英文字符,中文算两个长度,英文算一个长度
/// </summary>
/// <param name=\"Text\">需计算长度的字符串</param>
/// <returns>int</returns>
public static int Text_Length(string Text)
{
int len = 0;
for (int i = 0; i < Text.Length; i++)
{
byte[] byte_len = Encoding.Default.GetBytes(Text.Substring(i, 1));
if (byte_len.Length > 1)
len += 2; //如果长度大于1,是中文,占两个字节,+2
else
len += 1; //如果长度等于1,是英文,占一个字节,+1
}
return len;
}
#endregion
#region 字符串长度区分中英文截取
/// <summary>
/// 截取文本,区分中英文字符,中文算两个长度,英文算一个长度
/// </summary>
/// <param name=\"str\">待截取的字符串</param>
/// <param name=\"length\">需计算长度的字符串</param>
/// <returns>string</returns>
public static string GetSubString(string str, int length)
{
string temp = str;
int j = 0;
int k = 0;
for (int i = 0; i < temp.Length; i++)
{
if (Regex.IsMatch(temp.Substring(i, 1), @\"[\\u4e00-\\u9fa5]+\"))
{
j += 2;
}
else
{
j += 1;
}
if (j <= length)
{
k += 1;
}
if (j > length)
{
return temp.Substring(0, k) + \"..\";
}
}
return temp;
}
#endregion
#region 页面HTML格式化
public static string GetHtml(string sDetail)
{
Regex r;
Match m;
#region 处理空格
sDetail = sDetail.Replace(\" \", \" \");
#endregion
#region 处理单引号
sDetail = sDetail.Replace(\"\'\", \"\'\");
#endregion
#region 处理双引号
sDetail = sDetail.Replace(\"\\\"\", \"\"\");
#endregion
#region html标记符
sDetail = sDetail.Replace(\"<\", \"<\");
sDetail = sDetail.Replace(\">\", \">\");
#endregion
#region 处理换行
//处理换行,在每个新行的前面添加两个全角空格
r = new Regex(@\"(\\r\\n(( )| )+)(?<正文>\\S+)\", RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(), \"<BR> \" + m.Groups[\"正文\"].ToString());
}
//处理换行,在每个新行的前面添加两个全角空格
sDetail = sDetail.Replace(\"\\r\\n\", \"<BR>\");
#endregion
return sDetail;
}
#endregion
#region 分页
//public static string paging(string url, string para, int sumpage, int page)
//{
// string result = string.Empty;
// if (sumpage == 1)
// {
// return result;
// }
// if (page > sumpage)
// {
// page = 1;
// }
// if (sumpage > 0)
// {
// for (int i = 1; i <= sumpage; i++)
// {
// if (i == page)
// {
// result += string.Format(\"<a class=\\\"a_page\\\" href=\\\"{0}?page={1}{2}\\\">{3}</a> \", new object[] { url, i.ToString(), para, i.ToString() });
// }
// else
// {
// result += string.Format(\"<a href=\\\"{0}?page={1}{2}\\\">{3}</a> \", new object[] { url, i.ToString(), para, i.ToString() });
// }
// }
// }
// return result;
//}
public static string paging(string url, string para, int sumpage, int page)
{
string result = string.Empty;
if (sumpage == 1)
{
return result;
}
if (sumpage > 500)
{
sumpage = 500;
}
if (page > sumpage)
{
page = 1;
}
StringBuilder sb = new StringBuilder();
if (sumpage > 0)
{
switch (page)
{
case 1:
sb.Append(string.Format(\"<p class=\\\"next\\\"><a href=\\\"{0}?page={1}{2}\\\">{3}</a> \", new object[] { url, page + 1, para, \"下一页\" }));
break;
default:
if (sumpage == page)
{
sb.Append(string.Format(\"<p class=\\\"next\\\"><a href=\\\"{0}?page={1}{2}\\\">{3}</a> \", new object[] { url, page - 1, para, \"上一页\" }));
}
else
{
sb.Append(string.Format(\"<p class=\\\"next\\\"><a href=\\\"{0}?page={1}{2}\\\">{3}</a> <a href=\\\"{4}?page={5}{6}\\\">{7}</a> \",
new object[] { url, page + 1, para, \"下一页\", url, page - 1, para, \"上一页\" }));
}
break;
}
sb.Append(string.Format(\"第{0}/{1}页</p>\", new object[] { page, sumpage }));
}
return sb.ToString();
}
public static string paging(string url, string para, int sumpage, int page, System.Web.UI.UserControl myPaging)
{
myPaging.Visible = false;
string result = string.Empty;
if (sumpage == 1)
{
return result;
}
if (sumpage > 500)
{
sumpage = 500;
}
if (page > sumpage)
{
page = 1;
}
StringBuilder sb = new StringBuilder();
if (sumpage > 0)
{
myPaging.Visible = true;
switch (page)
{
case 1:
sb.Append(string.Format(\"<a href=\\\"{0}?page={1}{2}\\\">{3}</a> \", new object[] { url, page + 1, para, \"下一页\" }));
break;
default:
if (sumpage == page)
{
sb.Append(string.Format(\"<a href=\\\"{0}?page={1}{2}\\\">{3}</a> \", new object[] { url, page - 1, para, \"上一页\" }));
}
else
{
sb.Append(string.Format(\"<a href=\\\"{0}?page={1}{2}\\\">{3}</a> <a href=\\\"{4}?page={5}{6}\\\">{7}</a> \",
new object[] { url, page + 1, para, \"下一页\", url, page - 1, para, \"上一页\" }));
}
break;
}
sb.Append(string.Format(\"第{0}/{1}页\", new object[] { page, sumpage }));
}
return sb.ToString();
}
public static string paging(string para, int sumpage, int page, int count)
{
string result = string.Empty;
if (page > sumpage)
{
page = 1;
}
StringBuilder sb = new StringBuilder();
if (sumpage > 0)
{
if (sumpage != 1)
{
switch (page)
{
case 1:
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a> \", new object[] { page + 1, para, \"下一页\" }));
break;
default:
if (sumpage == page)
{
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a> \", new object[] { page - 1, para, \"上一页\" }));
}
else
{
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a> <a href=\\\"?page={3}{4}\\\">{5}</a> \",
new object[] { page - 1, para, \"上一页\", page + 1, para, \"下一页\" }));
}
break;
}
}
sb.Append(string.Format(\"第{0}/{1}页 共{2}条\", new object[] { page, sumpage, count }));
}
return sb.ToString();
}
public static void paging(string clinktail, int sumpage, int page, System.Web.UI.WebControls.Label page_view)
{
if (sumpage > 0)
{
int n = sumpage; //总页数
int x = page; //得到当前页
int i;
int endpage;
string pageview = \"\", pageviewtop = \"\";
if (x > 1)
{
pageview += \" <a class=\'pl\' href=\'?page=1\" + clinktail + \"\'>第1页</a> | \";
pageviewtop += \" <a class=\'pl\' href=\'?page=1\" + clinktail + \"\'>第1页</a> | \";
}
else
{
pageview += \" <font color=\'#666666\'> 第1页 </font> | \";
pageviewtop += \" <font color=\'#666666\'> 第1页 </font> | \";
}
if (x > 1)
{
pageviewtop += \" <a class=\'pl\' href=\'?page=\" + (x - 1) + \"\" + clinktail + \"\'>上1页</a> \";
}
else
{
pageviewtop += \" <font color=\'#666666\'>上1页</font> \";
}
if (x > ((x - 1) / 10) * 10 && x > 10)
{
pageview += \"<a class=\'pl\' href=\'?page=\" + ((x - 1) / 10) * 10 + \"\" + clinktail + \"\' onclink=\'return false;\'>上10页</a>\";
}
//if (((x-1) / 10) * 10 + 10) >= n )
if (((x - 1) / 10) * 10 + 10 >= n)
{
endpage = n;
}
else
{
endpage = ((x - 1) / 10) * 10 + 10;
}
for (i = ((x - 1) / 10) * 10 + 1; i <= endpage; ++i)
{
if (i == x)
{
pageview += \" <font color=\'#FF0000\'><b>\" + i + \"</b></font>\";
}
else
{
pageview += \" <a class=\'pl\' href=\'?page=\" + i + \"\" + clinktail + \"\'>\" + i + \"</a>\";
}
}
if (x < n)
{
pageviewtop += \" <a class=\'pl\' href=\'?page=\" + (x + 1) + \"\" + clinktail + \"\'>下1页</a> \";
}
else
{
pageviewtop += \" <font color=\'#666666\'>下1页</font> \";
}
if (endpage != n)
{
pageview += \" <a class=\'pl\' href=\'?page=\" + (endpage + 1) + \"\" + clinktail + \"\' class=\'pl\' onclink=\'return false;\'>下10页</a> | \";
}
else
{
pageview += \" | \";
}
if (x < n)
{
pageview += \" <a class=\'pl\' href=\'?page=\" + n + \"\" + clinktail + \"\' class=\'pl\'>第\" + n + \"页</a> \";
pageviewtop += \" | <a class=\'pl\' href=\'?page=\" + n + \"\" + clinktail + \"\' class=\'pl\'>第\" + n + \"页</a> \";
}
else
{
pageview += \"<font color=\'#666666\'> 第\" + n + \"页 </font>\";
pageviewtop += \" | <font color=\'#666666\'> 第\" + n + \"页 </font>\";
}
page_view.Text = pageview.ToString();
}
else
{
page_view.Text = \"\";
}
}
//带第一页和最后一页
public static string paging2(string para, int sumpage, int page, int count)
{
string result = string.Empty;
if (page > sumpage)
{
page = 1;
}
StringBuilder sb = new StringBuilder();
if (sumpage > 0)
{
if (sumpage != 1)
{
//第一页
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\"><img src=\\\"images/first-icon.gif\\\" border=\\\"0\\\"/></a> \", new object[] { 1, para }));
switch (page)
{
case 1:
//前一页图片
sb.Append(string.Format(\"<a>{0}</a>\", new object[] { \"<img src=\\\"images/left-icon.gif\\\" border=\\\"0\\\"/>\" }));
sb.Append(string.Format(\"<a>上一页</a><a href=\\\"?page={0}{1}\\\">{2}</a> \", new object[] { page + 1, para, \"下一页\" }));
//后一页图片
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a>\", new object[] { page + 1, para, \"<img src=\\\"images/right-icon.gif\\\" border=\\\"0\\\"/>\" }));
break;
default:
if (sumpage == page)
{
//前一页图片
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a>\", new object[] { page - 1, para, \"<img src=\\\"images/left-icon.gif\\\" border=\\\"0\\\"/>\" }));
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a><a>下一页</a> \", new object[] { page - 1, para, \"上一页\" }));
//后一页图片
sb.Append(string.Format(\"<a>{0}</a>\", new object[] { \"<img src=\\\"images/right-icon.gif\\\" />\" }));
}
else
{
//前一页图片
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a>\", new object[] { page - 1, para, \"<img src=\\\"images/left-icon.gif\\\" border=\\\"0\\\"/>\" }));
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a> <a href=\\\"?page={3}{4}\\\">{5}</a> \",
new object[] { page - 1, para, \"上一页\", page + 1, para, \"下一页\" }));
//后一页图片
sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a>\", new object[] { page + 1, para, \"<img src=\\\"images/right-icon.gif\\\" border=\\\"0\\\"/>\" }));
}
break;
}
//最后一页图片
sb.Append(string.Format(\" <a href=\\\"?page={0}{1}\\\"><img src=\\\"images/last-icon.gif\\\" border=\\\"0\\\"/></a> \", new object[] { sumpage, para }));
}
sb.Append(string.Format(\"第{0}页/共{1}页 共{2}条\", new object[] { page, sumpage, count }));
}
return sb.ToString();
}
public static string paging3(string url, string para, int sumpage, int page, int count)
{
string result = string.Empty;
if (page > sumpage)
{
page = 1;
}
StringBuilder sb = new StringBuilder();
if (sumpage > 0)
{
if (sumpage != 1)
{
//第一页
sb.Append(string.Format(\"<a href=\\\"{2}?page={0}{1}\\\">首页</a>\", new object[] { 1, para, url }));
switch (page)
{
case 1:
//前一页图片
// sb.Append(string.Format(\"<a>{0}</a>\", new object[] { \"<img src=\\\"images/left-icon.gif\\\" border=\\\"0\\\"/>\" }));
sb.Append(string.Format(\"<a>上一页</a><a href=\\\"{3}?page={0}{1}\\\">{2}</a> \", new object[] { page + 1, para, \"下一页\", url }));
//后一页图片
// sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a>\", new object[] { page + 1, para, \"<img src=\\\"images/right-icon.gif\\\" border=\\\"0\\\"/>\" }));
break;
default:
if (sumpage == page)
{
//前一页图片
//sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a>\", new object[] { page - 1, para, \"<img src=\\\"images/left-icon.gif\\\" border=\\\"0\\\"/>\" }));
sb.Append(string.Format(\"<a href=\\\"{3}?page={0}{1}\\\">{2}</a><a>下一页</a> \", new object[] { page - 1, para, \"上一页\", url }));
//后一页图片
//sb.Append(string.Format(\"<a>{0}</a>\", new object[] { \"<img src=\\\"images/right-icon.gif\\\" />\" }));
}
else
{
//前一页图片
//sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a>\", new object[] { page - 1, para, \"<img src=\\\"images/left-icon.gif\\\" border=\\\"0\\\"/>\" }));
sb.Append(string.Format(\"<a href=\\\"{6}?page={0}{1}\\\">{2}</a> <a href=\\\"{6}?page={3}{4}\\\">{5}</a> \",
new object[] { page - 1, para, \"上一页\", page + 1, para, \"下一页\", url }));
//后一页图片
//sb.Append(string.Format(\"<a href=\\\"?page={0}{1}\\\">{2}</a>\", new object[] { page + 1, para, \"<img src=\\\"images/right-icon.gif\\\" border=\\\"0\\\"/>\" }));
}
break;
}
//最后一页图片
sb.Append(string.Format(\"<a href=\\\"{2}?page={0}{1}\\\">末页</a> \", new object[] { sumpage, para, url }));
}
sb.Append(string.Format(\"第{0}页/共{1}页 共{2}条\", new object[] { page, sumpage, count }));
}
return sb.ToString();
}
#endregion
#region 日期格式判断
/// <summary>
/// 日期格式字符串判断
/// </summary>
/// <param name=\"str\"></param>
/// <returns></returns>
public static bool IsDateTime(string str)
{
try
{
if (!string.IsNullOrEmpty(str))
{
DateTime.Parse(str);
return true;
}
else
{
return false;
}
}
catch
{
return false;
}
}
#endregion
#region 是否由特定字符组成
public static bool isContainSameChar(string strInput)
{
string charInput = string.Empty;
if (!string.IsNullOrEmpty(strInput))
{
charInput = strInput.Substring(0, 1);
}
return isContainSameChar(strInput, charInput, strInput.Length);
}
public static bool isContainSameChar(string strInput, string charInput, int lenInput)
{
if (string.IsNullOrEmpty(charInput))
{
return false;
}
else
{
Regex RegNumber = new Regex(string.Format(\"^([{0}])+$\", charInput));
//Regex RegNumber = new Regex(string.Format(\"^([{0}]{{1}})+$\", charInput,lenInput));
Match m = RegNumber.Match(strInput);
return m.Success;
}
}
#endregion
#region 检查输入的参数是不是某些定义好的特殊字符:这个方法目前用于密码输入的安全检查
/// <summary>
/// 检查输入的参数是不是某些定义好的特殊字符:这个方法目前用于密码输入的安全检查
/// </summary>
public static bool isContainSpecChar(string strInput)
{
string[] list = new string[] { \"123456\", \"654321\" };
bool result = new bool();
for (int i = 0; i < list.Length; i++)
{
if (strInput == list[i])
{
result = true;
break;
}
}
return result;
}
#endregion
}
}
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