当前文件路径：AcomStore/Components/PageValidate.cs

		            
  1using System;
  2using System.Collections.Generic;
  3using System.Text;
  4using System.Text.RegularExpressions;
  5
  6namespace AcomLb.Components
  7...{
  8    public class PageValidate
  9    ...{
 10
 11
 12
 13        private static Regex RegNumber = new Regex("^[0-9]+$");
 14
 15        private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");
 16
 17        private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$");
 18
 19        private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?\d+[.]?\d+$ 
 20
 21        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 
 22
 23        private static Regex RegCHZN = new Regex("[\u4e00-\u9fa5]");
 24
 25        public PageValidate()
 26        ...{
 27
 28        }
 29
 30
 31
 32        数字字符串检查#region 数字字符串检查
 33        /**//// <summary> 
 34        /// 检查Request查询字符串的键值，是否是数字，最大长度限制 
 35        /// </summary> 
 36        /// <param name="req">Request</param> 
 37        /// <param name="inputKey">Request的键值</param> 
 38        /// <param name="maxLen">最大长度</param> 
 39        /// <returns>返回Request查询字符串</returns> 
 40        public static string FetchInputDigit(System.Web.HttpRequest req, string inputKey, int maxLen)
 41        ...{
 42            string retVal = string.Empty;
 43            if (inputKey != null && inputKey != string.Empty)
 44            ...{
 45                retVal = req.QueryString[inputKey];
 46                if (null == retVal)
 47                    retVal = req.Form[inputKey];
 48                if (null != retVal)
 49                ...{
 50                    retVal = SqlText(retVal, maxLen);
 51                    if (!IsNumber(retVal))
 52                        retVal = string.Empty;
 53                }
 54            }
 55            if (retVal == null)
 56
 57
 58
 59                retVal = string.Empty;
 60
 61
 62
 63            return retVal;
 64
 65
 66
 67        }
 68
 69
 70
 71        /**//// <summary>
 72        /// 是否数字字符串
 73        /// </summary>
 74        /// <param name="inputData"></param>
 75        /// <returns></returns>
 76        public static bool IsNumber(string inputData)
 77        ...{
 78            Match m = RegNumber.Match(inputData);
 79            return m.Success;
 80        }
 81
 82
 83
 84       /**//// <summary>
 85        /// 是否数字字符串可带正负号
 86       /// </summary>
 87       /// <param name="inputData"></param>
 88       /// <returns></returns>
 89        public static bool IsNumberSign(string inputData)
 90        ...{
 91            Match m = RegNumberSign.Match(inputData);
 92            return m.Success;
 93        }
 94
 95
 96       /**//// <summary>
 97        /// 是否是浮点数
 98       /// </summary>
 99       /// <param name="inputData"></param>
100       /// <returns></returns>
101        public static bool IsDecimal(string inputData)
102        ...{
103            Match m = RegDecimal.Match(inputData);
104            return m.Success;
105
106        }
107
108        /**//// <summary>
109        /// 是否是浮点数可带正负号
110        /// </summary>
111        /// <param name="inputData"></param>
112        /// <returns></returns>
113        public static bool IsDecimalSign(string inputData)
114        ...{
115            Match m = RegDecimalSign.Match(inputData);
116            return m.Success;
117        }
118
119        #endregion
120
121        中文检测#region 中文检测
122
123       /**//// <summary>
124        /// 检测是否有中文字符 
125       /// </summary>
126       /// <param name="inputData"></param>
127       /// <returns></returns>
128        public static bool IsHasCHZN(string inputData)
129        ...{
130            Match m = RegCHZN.Match(inputData);
131            return m.Success;
132        }
133
134        #endregion
135
136        邮件地址#region 邮件地址
137
138       /**//// <summary>
139        /// 是否是浮点数可带正负号
140       /// </summary>
141       /// <param name="inputData"></param>
142       /// <returns></returns>
143        public static bool IsEmail(string inputData)
144        ...{
145            Match m = RegEmail.Match(inputData);
146            return m.Success;
147        }
148
149        #endregion
150
151        其他#region 其他
152        /**//// <summary> 
153        /// 检查字符串最大长度，返回指定长度的串 
154        /// </summary> 
155        /// <param name="sqlInput">输入字符串</param> 
156        /// <param name="maxLength">最大长度</param> 
157        /// <returns></returns>          
158        public static string SqlText(string sqlInput, int maxLength)
159        ...{
160
161            if (sqlInput != null && sqlInput != string.Empty)
162            ...{
163
164                sqlInput = sqlInput.Trim();
165                if (sqlInput.Length > maxLength)//按最大长度截取字符串 
166                    sqlInput = sqlInput.Substring(0, maxLength);
167            }
168
169            return sqlInput;
170
171        }
172
173
174       /**//// <summary>
175        /// 字符串编码
176       /// </summary>
177       /// <param name="inputData"></param>
178       /// <returns></returns>
179        public static string HtmlEncode(string inputData)
180        ...{
181
182            return System.Web.HttpUtility.HtmlEncode(inputData);
183        }
184
185
186       /**//// <summary>
187        /// 设置Label显示Encode的字符串 
188       /// </summary>
189       /// <param name="lbl"></param>
190       /// <param name="txtInput"></param>
191        public static string GetHtmlEncode(string txtInput)
192        ...{
193            return HtmlEncode(txtInput);
194        }
195
196        #endregion
197    } 
198
199 
200
201
202}
203