当前文件路径：NetCMSv15/NetCMS.Common/Input.cs 
1
//======================================================
2//== (c)2008 aspxcms inc by NeTCMS v1.0 ==
3//== Forum:bbs.aspxcms.com ==
4//== Website:www.aspxcms.com ==
5//======================================================
6using System;
7using System.Text;
8using System.Text.RegularExpressions;
9using System.Web;
10using System.Security.Cryptography;
11
12namespace NetCMS.Common
13
...{
14
public class Input
15
...{
16 /**//// <summary>
17 /// 检测是否整数型数据
18 /// </summary>
19 /// <param name="Num">待检查数据</param>
20
/// <returns></returns>
21 public static bool IsInteger(string Input)
22 ...{
23 if (Input == null)
24 ...{
25 return false;
26 }
27 else
28 ...{
29 return IsInteger(Input, true);
30 }
31 }
32
33 /**//// <summary>
34 /// 是否全是正整数
35 /// </summary>
36 /// <param name="Input"></param>
37 /// <returns></returns>
38 public static bool IsInteger(string Input, bool Plus)
39 ...{
40 if (Input == null)
41 ...{
42 return false;
43 }
44 else
45 ...{
46 string pattern = "^-?[0-9]+$";
47 if (Plus)
48 pattern = "^[0-9]+$";
49 if (Regex.Match(Input, pattern, RegexOptions.Compiled).Success)
50 ...{
51 return true;
52 }
53 else
54 ...{
55 return false;
56 }
57 }
58 }
59
60 /**//// <summary>
61 /// 判断输入是否为日期类型
62 /// </summary>
63 /// <param name="s">待检查数据</param>
64 /// <returns></returns>
65 public static bool IsDate(string s)
66 ...{
67 try
68 ...{
69 DateTime d = DateTime.Parse(s);
70 return true;
71 }
72 catch
73 ...{
74 return false;
75 }
76 }
77
78
79 /**//// <summary>
80 /// 过滤字符串中的html代码
81 /// </summary>
82 /// <param name="Str"></param>
83 /// <returns>返回过滤之后的字符串</returns>
84 public static string LostHTML(string Str)
85 ...{
86 string Re_Str = "";
87 if (Str != null)
88 ...{
89 if (Str != string.Empty)
90 ...{
91 string Pattern = "<\\/*[^<>]*>";
92 Re_Str = Regex.Replace(Str, Pattern, "");
93 }
94 }
95 return (Re_Str.Replace("\\r\\n", "")).Replace("\\r", "");
96 }
97
98 public static string LostPage(string Str)
99 ...{
100 string Re_Str = "";
101 if (Str != null)
102 ...{
103 if (Str != string.Empty)
104 ...{
105 string Pattern = "\\[NT:PAGE\\/*[^<>]*\\$\\]";
106 Re_Str = Regex.Replace(Str, Pattern, "");
107 }
108 }
109 return Re_Str;
110 }
111
112 public static string LostVoteStr(string Str)
113 ...{
114 string Re_Str = "";
115 if (Str != null)
116 ...{
117 if (Str != string.Empty)
118 ...{
119 string Pattern = "\\[NT:unLoop\\/*[^<>]*\\[\\/NT:unLoop\\]";
120 Re_Str = Regex.Replace(Str, Pattern, "");
121 }
122 }
123 return Re_Str;
124 }
125
126 /**//// <summary>
127 /// 根据新闻标题的属性设置返回设置后的标题
128 /// </summary>
129 /// <param name="Title">标题</param>
130 /// <param name="TitleColor">标题颜色</param>
131 /// <param name="IsB">是否粗体</param>
132 /// <param name="IsI">是否斜体</param>
133 /// <param name="TitleNum">返回标题字数</param>
134 /// <returns>返回设置后的标题</returns>
135 public static string GetColorTitleSubStr(string Title, string TitleColor, int IsB, int IsI, int TitleNum)
136 ...{
137 string Return_title = "";
138 string FormatTitle = LostHTML(Title);
139 if (FormatTitle != null && FormatTitle != string.Empty)
140 ...{
141 FormatTitle = GetSubString(FormatTitle, TitleNum);
142 if (IsB == 1)
143 ...{
144 FormatTitle = "<b>" + FormatTitle + "</b>";
145 }
146 if (IsI == 1)
147 ...{
148 FormatTitle = "<i>" + FormatTitle + "</i>";
149 }
150 if (TitleColor != null && TitleColor != string.Empty)
151 ...{
152 FormatTitle = "<font style=\"color:" + TitleColor + ";\">" + FormatTitle + "</font>";
153 }
154 Return_title = FormatTitle;
155 }
156 return Return_title;
157 }
158
159
160 /**//// <summary>
161 /// 截取字符串函数
162 /// </summary>
163 /// <param name="Str">所要截取的字符串</param>
164 /// <param name="Num">截取字符串的长度</param>
165 /// <returns></returns>
166 public static string GetSubString(string Str, int Num)
167 ...{
168 if (Str == null || Str == "")
169 return "";
170 string outstr = "";
171 int n = 0;
172 foreach (char ch in Str)
173 ...{
174 n += System.Text.Encoding.Default.GetByteCount(ch.ToString());
175 if (n > Num)
176 break;
177 else
178 outstr += ch;
179 }
180 return outstr;
181 }
182 /**//// <summary>
183 /// 截取字符串函数
184 /// </summary>
185 /// <param name="Str">所要截取的字符串</param>
186 /// <param name="Num">截取字符串的长度</param>
187 /// <param name="Num">截取字符串后省略部分的字符串</param>
188 /// <returns></returns>
189 public static string GetSubString(string Str, int Num, string LastStr)
190 ...{
191 return (Str.Length > Num) ? Str.Substring(0, Num) + LastStr : Str;
192 }
193
194 /**//// <summary>
195 /// 验证字符串是否是图片路径
196 /// </summary>
197 /// <param name="Input">待检测的字符串</param>
198 /// <returns>返回true 或 false</returns>
199 public static bool IsImgString(string Input)
200 ...{
201 return IsImgString(Input, "/{@dirfile}/");
202 }
203
204 public static bool IsImgString(string Input, string checkStr)
205 ...{
206 bool re_Val = false;
207 if (Input != string.Empty)
208 ...{
209 string s_input = Input.ToLower();
210 if (s_input.IndexOf(checkStr.ToLower()) != -1 && s_input.IndexOf(".") != -1)
211 ...{
212 string Ex_Name = s_input.Substring(s_input.LastIndexOf(".") + 1).ToString().ToLower();
213 if (Ex_Name == "jpg" || Ex_Name == "gif" || Ex_Name == "bmp" || Ex_Name == "png")
214 ...{
215 re_Val = true;
216 }
217 }
218 }
219 return re_Val;
220 }
221
222
223 /**//// <summary>
224 /// 将字符转化为HTML编码
225 /// </summary>
226 /// <param name="str">待处理的字符串</param>
227 /// <returns></returns>
228 public static string HtmlEncode(string Input)
229 ...{
230 return HttpContext.Current.Server.HtmlEncode(Input);
231 }
232
233 /**//// <summary>
234 ///
235 /// </summary>
236 /// <param name="Input"></param>
237 /// <returns></returns>
238 public static string HtmlDecode(string Input)
239 ...{
240 return HttpContext.Current.Server.HtmlDecode(Input);
241 }
242
243 /**//// <summary>
244 /// URL地址编码
245 /// </summary>
246 /// <param name="Input"></param>
247 /// <returns></returns>
248 public static string URLEncode(string Input)
249 ...{
250 return HttpContext.Current.Server.UrlEncode(Input);
251 }
252
253 /**//// <summary>
254 /// URL地址解码
255 /// </summary>
256 /// <param name="Input"></param>
257 ///
