【C#公共幫助類】 WebHelper幫助類，
如果你是一個新手，如果你剛接觸MVC，如果你跟著置頂的那個項目，我們肯定會用到這裡面的幾個幫助類
它們都在Common類庫下，大家一定要記住要點：取其精華去其糟粕，切勿拿來主義~
ApplicationCache.cs
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1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Web;
6
7 namespace Common
8 {
9 public interface ICache
10 {
11 /// <summary>
12 /// 獲取全局應用緩存
13 /// </summary>
14 /// <param name="key"></param>
15 /// <returns></returns>
16 object GetApplicationCache(string key);
17 /// <summary>
18 /// 設置全局應用緩存
19 /// </summary>
20 /// <param name="key"></param>
21 /// <param name="obj"></param>
22 void SetApplicationCache(string key, object obj);
23 /// <summary>
24 /// 刪除全局應用緩存
25 /// </summary>
26 /// <param name="key"></param>
27 void RemoveApplicationCache(string key);
28 }
29 /// <summary>
30 /// 全局應用緩存
31 /// </summary>
32 public class ApplicationCache:ICache
33 {
34 #region ICache 成員
35
36 public object GetApplicationCache(string key)
37 {
38 return HttpContext.Current.Application[key];
39 }
40
41 public void SetApplicationCache(string key, object obj)
42 {
43 HttpContext.Current.Application.Add(key, obj);
44 }
45
46 public void RemoveApplicationCache(string key)
47 {
48 HttpContext.Current.Application.Remove(key);
49 }
50 #endregion
51 }
52 }
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BindDataControl.cs
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1 using System.Web.UI.WebControls;
2 using System.Web.UI;
3 using System.Data;
4 using System.Data.SqlClient;
5
6 namespace Common
7 {
8 /// <summary>
9 /// 數據展示控件 綁定數據類
10 /// </summary>
11 public class BindDataControl
12 {
13 #region 綁定服務器數據控件 簡單綁定DataList
14 /// <summary>
15 /// 簡單綁定DataList
16 /// </summary>
17 /// <param name="ctrl">控件ID</param>
18 /// <param name="mydv">數據視圖</param>
19 public static void BindDataList(Control ctrl, DataView mydv)
20 {
21 ((DataList)ctrl).DataSourceID = null;
22 ((DataList)ctrl).DataSource = mydv;
23 ((DataList)ctrl).DataBind();
24 }
25 #endregion
26
27 #region 綁定服務器數據控件 SqlDataReader簡單綁定DataList
28 /// <summary>
29 /// SqlDataReader簡單綁定DataList
30 /// </summary>
31 /// <param name="ctrl">控件ID</param>
32 /// <param name="mydv">數據視圖</param>
33 public static void BindDataReaderList(Control ctrl, SqlDataReader mydv)
34 {
35 ((DataList)ctrl).DataSourceID = null;
36 ((DataList)ctrl).DataSource = mydv;
37 ((DataList)ctrl).DataBind();
38 }
39 #endregion
40
41 #region 綁定服務器數據控件 簡單綁定GridView
42 /// <summary>
43 /// 簡單綁定GridView
44 /// </summary>
45 /// <param name="ctrl">控件ID</param>
46 /// <param name="mydv">數據視圖</param>
47 public static void BindGridView(Control ctrl, DataView mydv)
48 {
49 ((GridView)ctrl).DataSourceID = null;
50 ((GridView)ctrl).DataSource = mydv;
51 ((GridView)ctrl).DataBind();
52 }
53 #endregion
54
55 /// <summary>
56 /// 綁定服務器控件 簡單綁定Repeater
57 /// </summary>
58 /// <param name="ctrl">控件ID</param>
59 /// <param name="mydv">數據視圖</param>
60 public static void BindRepeater(Control ctrl, DataView mydv)
61 {
62 ((Repeater)ctrl).DataSourceID = null;
63 ((Repeater)ctrl).DataSource = mydv;
64 ((Repeater)ctrl).DataBind();
65 }
66 }
67 }
View Code
CacheHelper.cs
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1 using System;
2 using System.Web;
3 using System.Collections;
4
5 namespace Common
6 {
7 /// <summary>
8 /// 緩存輔助類
9 /// </summary>
10 public class CacheHelper
11 {
12 /// <summary>
13 /// 獲取數據緩存
14 /// </summary>
15 /// <param name="CacheKey">鍵</param>
16 public static object GetCache(string CacheKey)
17 {
18 System.Web.Caching.Cache objCache = HttpRuntime.Cache;
19 return objCache[CacheKey];
20 }
21
22 /// <summary>
23 /// 設置數據緩存
24 /// </summary>
25 public static void SetCache(string CacheKey, object objObject)
26 {
27 System.Web.Caching.Cache objCache = HttpRuntime.Cache;
28 objCache.Insert(CacheKey, objObject);
29 }
30
31 /// <summary>
32 /// 設置數據緩存
33 /// </summary>
34 public static void SetCache(string CacheKey, object objObject, TimeSpan Timeout)
35 {
36 System.Web.Caching.Cache objCache = HttpRuntime.Cache;
37 objCache.Insert(CacheKey, objObject, null, DateTime.MaxValue, Timeout, System.Web.Caching.CacheItemPriority.NotRemovable, null);
38 }
39
40 /// <summary>
41 /// 設置數據緩存
42 /// </summary>
43 public static void SetCache(string CacheKey, object objObject, DateTime absoluteExpiration, TimeSpan slidingExpiration)
44 {
45 System.Web.Caching.Cache objCache = HttpRuntime.Cache;
46 objCache.Insert(CacheKey, objObject, null, absoluteExpiration, slidingExpiration);
47 }
48
49 /// <summary>
50 /// 移除指定數據緩存
51 /// </summary>
52 public static void RemoveAllCache(string CacheKey)
53 {
54 System.Web.Caching.Cache _cache = HttpRuntime.Cache;
55 _cache.Remove(CacheKey);
56 }
57
58 /// <summary>
59 /// 移除全部緩存
60 /// </summary>
61 public static void RemoveAllCache()
62 {
63 System.Web.Caching.Cache _cache = HttpRuntime.Cache;
64 IDictionaryEnumerator CacheEnum = _cache.GetEnumerator();
65 while (CacheEnum.MoveNext())
66 {
67 _cache.Remove(CacheEnum.Key.ToString());
68 }
69 }
70 }
71 }
View Code
CookieHelper.cs
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1 using System;
2 using System.Web;
3
4 namespace Common
5 {
6 /// <summary>
7 /// Cookie輔助類
8 /// </summary>
9 public class CookieHelper
10 {
11 /// <summary>
12 /// 清除指定Cookie
13 /// </summary>
14 /// <param name="cookiename">cookiename</param>
15 public static void ClearCookie(string cookiename)
16 {
17 HttpCookie cookie = HttpContext.Current.Request.Cookies[cookiename];
18 if (cookie != null)
19 {
20 TimeSpan ts = new TimeSpan(-1, 0, 0, 0);
21 cookie.Expires = DateTime.Now.Add(ts);
22 HttpContext.Current.Response.AppendCookie(cookie);
23 HttpContext.Current.Request.Cookies.Remove(cookiename);
24 }
25 }
26 /// <summary>
27 /// 獲取指定Cookie值
28 /// </summary>
29 /// <param name="cookiename">cookiename</param>
30 /// <returns></returns>
31 public static string GetCookieValue(string cookiename)
32 {
33 HttpCookie cookie = HttpContext.Current.Request.Cookies[cookiename];
34 string str = string.Empty;
35 if (cookie != null)
36 {
37 str = cookie.Value;
38 }
39 return str;
40 }
41 /// <summary>
42 /// 獲取cookie
43 /// </summary>
44 /// <param name="cookiename"></param>
45 /// <returns></returns>
46 public static HttpCookie GetCookie(string cookiename)
47 {
48 return HttpContext.Current.Request.Cookies[cookiename];
49 }
50 /// <summary>
51 /// 添加一個Cookie，默認浏覽器關閉過期
52 /// </summary>
53 public static void SetCookie(string cookiename, System.Collections.Specialized.NameValueCollection cookievalue, int? days)
54 {
55 var cookie = HttpContext.Current.Request.Cookies[cookiename];
56 if (cookie == null)
57 {
58 cookie = new HttpCookie(cookiename);
59 }
60 ClearCookie(cookiename);
61 cookie.Values.Add(cookievalue);
62 var siteurl = System.Configuration.ConfigurationManager.AppSettings["siteurl"];
63 if (!string.IsNullOrEmpty(siteurl))
64 {
65 cookie.Domain = siteurl.Replace("www.", "");
66 }
67 if (days != null && days > 0) { cookie.Expires = DateTime.Now.AddDays(Convert.ToInt32(days)); }
68 HttpContext.Current.Response.AppendCookie(cookie);
69
70 }
71 /// <summary>
72 /// 添加一個Cookie
73 /// </summary>
74 /// <param name="cookiename">cookie名</param>
75 /// <param name="cookievalue">cookie值</param>
76 /// <param name="expires">過期時間 null為浏覽器過期</param>
77 public static void SetCookie(string cookiename, string cookievalue, int? expires)
78 {
79 var cookie = HttpContext.Current.Request.Cookies[cookiename];
80 if (cookie == null)
81 {
82 cookie = new HttpCookie(cookiename);
83 }
84 ClearCookie(cookiename);
85 cookie = new HttpCookie(cookiename);
86 cookie.Value = cookievalue;
87 var siteurl = System.Configuration.ConfigurationManager.AppSettings["siteurl"];
88 if (!string.IsNullOrEmpty(siteurl))
89 {
90 cookie.Domain = siteurl.Replace("www.", "");
91 }
92 if (expires != null && expires > 0) { cookie.Expires = DateTime.Now.AddDays(Convert.ToInt32(expires)); }
93 HttpContext.Current.Response.AppendCookie(cookie);
94
95 }
96 }
97 }
View Code
JScript.cs
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1 using System;
2 using System.Data;
3 using System.Configuration;
4 using System.Web;
5 using System.Web.Security;
6 using System.Web.UI;
7 using System.Web.UI.WebControls;
8 using System.Web.UI.WebControls.WebParts;
9 using System.Web.UI.HtmlControls;
10
11 namespace Common
12 {
13 /// <summary>
14 /// 一些常用的Js調用
15 /// 添加新版說明：由於舊版普遍采用Response.Write(string msg)的方式輸出js腳本，這種
16 /// 方式輸出的js腳本會在html元素的<html></html>標簽之外，破壞了整個xhtml的結構,
17 /// 而新版本則采用ClientScript.RegisterStartupScript(string msg)的方式輸出，不會改變xhtml的結構,
18 /// 不會影響執行效果。
19 /// 為了向下兼容，所以新版本采用了重載的方式，新版本中要求一個System.Web.UI.Page類的實例。
20 /// </summary>
21 public class JScript
22 {
23 #region 舊版本
24 /// <summary>
25 /// 彈出JavaScript小窗口
26 /// </summary>
27 /// <param name="message">窗口信息</param>
28 public static void Alert(string message)
29 {
30 #region
31 string js = @"<Script language='JavaScript'>
32 alert('" + message + "');</Script>";
33 HttpContext.Current.Response.Write(js);
34 #endregion
35 }
36
37 /// <summary>
38 /// 彈出消息框並且轉向到新的URL
39 /// </summary>
40 /// <param name="message">消息內容</param>
41 /// <param name="toURL">連接地址</param>
42 public static void AlertAndRedirect(string message, string toURL)
43 {
44 #region
45 string js = "<script language=javascript>alert('{0}');window.location.replace('{1}')</script>";
46 HttpContext.Current.Response.Write(string.Format(js, message, toURL));
47 #endregion
48 }
49
50 /// <summary>
51 /// 回到歷史頁面
52 /// </summary>
53 /// <param name="value">-1/1</param>
54 public static void GoHistory(int value)
55 {
56 #region
57 string js = @"<Script language='JavaScript'>
58 history.go({0});
59 </Script>";
60 HttpContext.Current.Response.Write(string.Format(js, value));
61 #endregion
62 }
63
64 /// <summary>
65 /// 關閉當前窗口
66 /// </summary>
67 public static void CloseWindow()
68 {
69 #region
70 string js = @"<Script language='JavaScript'>
71 parent.opener=null;window.close();
72 </Script>";
73 HttpContext.Current.Response.Write(js);
74 HttpContext.Current.Response.End();
75 #endregion
76 }
77
78 /// <summary>
79 /// 刷新父窗口
80 /// </summary>
81 public static void RefreshParent(string url)
82 {
83 #region
84 string js = @"<Script language='JavaScript'>
85 window.opener.location.href='" + url + "';window.close();</Script>";
86 HttpContext.Current.Response.Write(js);
87 #endregion
88 }
89
90
91 /// <summary>
92 /// 刷新打開窗口
93 /// </summary>
94 public static void RefreshOpener()
95 {
96 #region
97 string js = @"<Script language='JavaScript'>
98 opener.location.reload();
99 </Script>";
100 HttpContext.Current.Response.Write(js);
101 #endregion
102 }
103
104
105 /// <summary>
106 /// 打開指定大小的新窗體
107 /// </summary>
108 /// <param name="url">地址</param>
109 /// <param name="width">寬</param>
110 /// <param name="heigth">高</param>
111 /// <param name="top">頭位置</param>
112 /// <param name="left">左位置</param>
113 public static void OpenWebFormSize(string url, int width, int heigth, int top, int left)
114 {
115 #region
116 string js = @"<Script language='JavaScript'>window.open('" + url + @"','','height=" + heigth + ",width=" + width + ",top=" + top + ",left=" + left + ",location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');</Script>";
117
118 HttpContext.Current.Response.Write(js);
119 #endregion
120 }
121
122
123 /// <summary>
124 /// 轉向Url制定的頁面
125 /// </summary>
126 /// <param name="url">連接地址</param>
127 public static void JavaScriptLocationHref(string url)
128 {
129 #region 轉向按鈕Js
130 string js = @"<Script language='JavaScript'>
131 window.location.replace('{0}');
132 </Script>";
133 js = string.Format(js, url);
134 HttpContext.Current.Response.Write(js);
135 #endregion
136 }
137
138 /// <summary>
139 /// 打開指定大小位置的模式對話框
140 /// </summary>
141 /// <param name="webFormUrl">連接地址</param>
142 /// <param name="width">寬</param>
143 /// <param name="height">高</param>
144 /// <param name="top">距離上位置</param>
145 /// <param name="left">距離左位置</param>
146 public static void ShowModalDialogWindow(string webFormUrl, int width, int height, int top, int left)
147 {
148 #region 大小位置
149 string features = "dialogWidth:" + width.ToString() + "px"
150 + ";dialogHeight:" + height.ToString() + "px"
151 + ";dialogLeft:" + left.ToString() + "px"
152 + ";dialogTop:" + top.ToString() + "px"
153 + ";center:yes;help=no;resizable:no;status:no;scroll=yes";
154 ShowModalDialogWindow(webFormUrl, features);
155 #endregion
156 }
157 /// <summary>
158 /// 彈出模態窗口
159 /// </summary>
160 /// <param name="webFormUrl"></param>
161 /// <param name="features"></param>
162 public static void ShowModalDialogWindow(string webFormUrl, string features)
163 {
164 string js = ShowModalDialogJavascript(webFormUrl, features);
165 HttpContext.Current.Response.Write(js);
166 }
167 /// <summary>
168 /// 彈出模態窗口
169 /// </summary>
170 /// <param name="webFormUrl"></param>
171 /// <param name="features"></param>
172 /// <returns></returns>
173 public static string ShowModalDialogJavascript(string webFormUrl, string features)
174 {
175 #region 模態窗口
176 string js = @"<script language=javascript>
177 showModalDialog('" + webFormUrl + "','','" + features + "');</script>";
178 return js;
179 #endregion
180 }
181 #endregion
182
183 #region 新版本
184 /// <summary>
185 /// 彈出JavaScript小窗口
186 /// </summary>
187 /// <param name="message">窗口信息</param>
188 /// <param name="page">Page類的實例</param>
189 public static void Alert(string message, Page page)
190 {
191 #region
192 string js = @"<Script language='JavaScript'>
193 alert('" + message + "');</Script>";
194 if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "alert"))
195 {
196 page.ClientScript.RegisterStartupScript(page.GetType(), "alert", js);
197 }
198 #endregion
199 }
200
201 /// <summary>
202 /// 彈出消息框並且轉向到新的URL
203 /// </summary>
204 /// <param name="message">消息內容</param>
205 /// <param name="toURL">連接地址</param>
206 /// <param name="page">Page類的實例</param>
207 public static void AlertAndRedirect(string message, string toURL, Page page)
208 {
209 #region
210 string js = "<script language=javascript>alert('{0}');window.location.replace('{1}')</script>";
211 if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "AlertAndRedirect"))
212 {
213 page.ClientScript.RegisterStartupScript(page.GetType(), "AlertAndRedirect", string.Format(js, message, toURL));
214 }
215 #endregion
216 }
217
218 /// <summary>
219 /// 回到歷史頁面
220 /// </summary>
221 /// <param name="value">-1/1</param>
222 /// <param name="page">Page類的實例</param>
223 public static void GoHistory(int value, Page page)
224 {
225 #region
226 string js = @"<Script language='JavaScript'>
227 history.go({0});
228 </Script>";
229 if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "GoHistory"))
230 {
231 page.ClientScript.RegisterStartupScript(page.GetType(), "GoHistory", string.Format(js, value));
232 }
233 #endregion
234 }
235
236 /// <summary>
237 /// 刷新父窗口
238 /// </summary>
239 /// <param name="url">要刷新的url</param>
240 /// <param name="page">Page類的實例</param>
241 public static void RefreshParent(string url, Page page)
242 {
243 #region
244 string js = @"<Script language='JavaScript'>
245 window.opener.location.href='" + url + "';window.close();</Script>";
246 //HttpContext.Current.Response.Write(js);
247 if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "RefreshParent"))
248 {
249 page.ClientScript.RegisterStartupScript(page.GetType(), "RefreshParent", js);
250 }
251 #endregion
252 }
253
254
255 /// <summary>
256 /// 刷新打開窗口
257 /// </summary>
258 /// <param name="page">Page類的實例</param>
259 public static void RefreshOpener(Page page)
260 {
261 #region
262 string js = @"<Script language='JavaScript'>
263 opener.location.reload();
264 </Script>";
265 //HttpContext.Current.Response.Write(js);
266 if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "RefreshOpener"))
267 {
268 page.ClientScript.RegisterStartupScript(page.GetType(), "RefreshOpener", js);
269 }
270 #endregion
271 }
272
273
274 /// <summary>
275 /// 打開指定大小的新窗體
276 /// </summary>
277 /// <param name="url">地址</param>
278 /// <param name="width">寬</param>
279 /// <param name="heigth">高</param>
280 /// <param name="top">頭位置</param>
281 /// <param name="left">左位置</param>
282 /// <param name="page">Page類的實例</param>
283 public static void OpenWebFormSize(string url, int width, int heigth, int top, int left, Page page)
284 {
285 #region
286 string js = @"<Script language='JavaScript'>window.open('" + url + @"','','height=" + heigth + ",width=" + width + ",top=" + top + ",left=" + left + ",location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');</Script>";
287 //HttpContext.Current.Response.Write(js);
288 if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "OpenWebFormSize"))
289 {
290 page.ClientScript.RegisterStartupScript(page.GetType(), "OpenWebFormSize", js);
291 }
292 #endregion
293 }
294
295
296 /// <summary>
297 /// 轉向Url制定的頁面
298 /// </summary>
299 /// <param name="url">連接地址</param>
300 /// <param name="page">Page類的實例</param>
301 public static void JavaScriptLocationHref(string url, Page page)
302 {
303 #region
304 string js = @"<Script language='JavaScript'>
305 window.location.replace('{0}');
306 </Script>";
307 js = string.Format(js, url);
308 if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "JavaScriptLocationHref"))
309 {
310 page.ClientScript.RegisterStartupScript(page.GetType(), "JavaScriptLocationHref", js);
311 }
312 #endregion
313 }
314
315 /// <summary>
316 /// 打開指定大小位置的模式對話框
317 /// </summary>
318 /// <param name="webFormUrl">連接地址</param>
319 /// <param name="width">寬</param>
320 /// <param name="height">高</param>
321 /// <param name="top">距離上位置</param>
322 /// <param name="left">距離左位置</param>
323 /// <param name="page">Page類的實例</param>
324 public static void ShowModalDialogWindow(string webFormUrl, int width, int height, int top, int left, Page page)
325 {
326 #region
327 string features = "dialogWidth:" + width.ToString() + "px"
328 + ";dialogHeight:" + height.ToString() + "px"
329 + ";dialogLeft:" + left.ToString() + "px"
330 + ";dialogTop:" + top.ToString() + "px"
331 + ";center:yes;help=no;resizable:no;status:no;scroll=yes";
332 ShowModalDialogWindow(webFormUrl, features, page);
333 #endregion
334 }
335 /// <summary>
336 /// 彈出模態窗口
337 /// </summary>
338 /// <param name="webFormUrl"></param>
339 /// <param name="features"></param>
340 /// <param name="page">Page類的實例</param>
341 public static void ShowModalDialogWindow(string webFormUrl, string features, Page page)
342 {
343 string js = ShowModalDialogJavascript(webFormUrl, features);
344 if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "ShowModalDialogWindow"))
345 {
346 page.ClientScript.RegisterStartupScript(page.GetType(), "ShowModalDialogWindow", js);
347 }
348 }
349 /// <summary>
350 /// 向當前頁面動態輸出客戶端腳本代碼
351 /// </summary>
352 /// <param name="javascript">javascript腳本段</param>
353 /// <param name="page">Page類的實例</param>
354 /// <param name="afterForm">是否緊跟在<form>標記之後輸出javascript腳本，如果不是則在</form>標記之前輸出腳本代碼</param>
355 public static void AppendScript(string javascript, Page page, bool afterForm)
356 {
357 if (afterForm)
358 {
359 page.ClientScript.RegisterClientScriptBlock(page.GetType(), page.ToString(), javascript);
360 }
361 else
362 {
363 page.ClientScript.RegisterStartupScript(page.GetType(), page.ToString(),javascript);
364 }
365 }
366 #endregion
367 }
368 }
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QueryString.cs
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1 using System.Web;
2 using System.Text.RegularExpressions;
3
4 namespace Common
5 {
6 /// <summary>
7 /// QueryString 地址欄參數
8 /// </summary>
9 public class QueryString
10 {
11 #region 等於Request.QueryString;如果為null 返回 空“” ，否則返回Request.QueryString[name]
12 /// <summary>
13 /// 等於Request.QueryString;如果為null 返回 空“” ，否則返回Request.QueryString[name]
14 /// </summary>
15 /// <param name="name"></param>
16 /// <returns></returns>
17 public static string Q(string name)
18 {
19 return Request.QueryString[name] == null ? "" : Request.QueryString[name];
20 }
21 #endregion
22
23 /// <summary>
24 /// 等於 Request.Form 如果為null 返回 空“” ，否則返回 Request.Form[name]
25 /// </summary>
26 /// <param name="name"></param>
27 /// <returns></returns>
28 public static string FormRequest(string name)
29 {
30 return Request.Form[name] == null ? "" : Request.Form[name].ToString();
31 }
32 #region 獲取url中的id
33 /// <summary>
34 /// 獲取url中的id
35 /// </summary>
36 /// <param name="name"></param>
37 /// <returns></returns>
38 public static int QId(string name)
39 {
40 return StrToId(Q(name));
41 }
42 #endregion
43
44 #region 獲取正確的Id，如果不是正整數，返回0
45 /// <summary>
46 /// 獲取正確的Id，如果不是正整數，返回0
47 /// </summary>
48 /// <param name="_value"></param>
49 /// <returns>返回正確的整數ID，失敗返回0</returns>
50 public static int StrToId(string _value)
51 {
52 if (IsNumberId(_value))
53 return int.Parse(_value);
54 else
55 return 0;
56 }
57 #endregion
58
59 #region 檢查一個字符串是否是純數字構成的，一般用於查詢字符串參數的有效性驗證。
60 /// <summary>
61 /// 檢查一個字符串是否是純數字構成的，一般用於查詢字符串參數的有效性驗證。
62 /// </summary>
63 /// <param name="_value">需驗證的字符串。。</param>
64 /// <returns>是否合法的bool值。</returns>
65 public static bool IsNumberId(string _value)
66 {
67 return QuickValidate("^[1-9]*[0-9]*$", _value);
68 }
69 #endregion
70
71 #region 快速驗證一個字符串是否符合指定的正則表達式。
72 /// <summary>
73 /// 快速驗證一個字符串是否符合指定的正則表達式。
74 /// </summary>
75 /// <param name="_express">正則表達式的內容。</param>
76 /// <param name="_value">需驗證的字符串。</param>
77 /// <returns>是否合法的bool值。</returns>
78 public static bool QuickValidate(string _express, string _value)
79 {
80 if (_value == null) return false;
81 Regex myRegex = new Regex(_express);
82 if (_value.Length == 0)
83 {
84 return false;
85 }
86 return myRegex.IsMatch(_value);
87 }
88 #endregion
89
90 #region 類內部調用
91 /// <summary>
92 /// HttpContext Current
93 /// </summary>
94 public static HttpContext Current
95 {
96 get { return HttpContext.Current; }
97 }
98 /// <summary>
99 /// HttpContext Current HttpRequest Request get { return Current.Request;
100 /// </summary>
101 public static HttpRequest Request
102 {
103 get { return Current.Request; }
104 }
105 /// <summary>
106 /// HttpContext Current HttpRequest Request get { return Current.Request; HttpResponse Response return Current.Response;
107 /// </summary>
108 public static HttpResponse Response
109 {
110 get { return Current.Response; }
111 }
112 #endregion
113 }
114 }
View Code
RupengPager.cs
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1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Web;
5 using System.Text;
6 using System.Diagnostics;
7
8 namespace Common
9 {
10 /// <summary>
11 /// 分頁組件調用實例
12 /// var pager = new Common.RupengPager();
13 /// pager.UrlFormat = "測試分頁.aspx?pagenum={n}";//設置分頁URL
14 /// pager.PageSize = 10; //設置每頁顯示個數
15 /// pager.TryParseCurrentPageIndex(Request["pagenum"]);//獲取當前頁數
16 /// int startRowIndex = (pager.CurrentPageIndex - 1) * pager.PageSize;//開始行號計算
17 /// So_KeywordLogBLL bll = new So_KeywordLogBLL();//獲取分頁數據
18 /// pager.TotalCount = bll.GetTotalCount();//計算總個數
19 /// Repeater1.DataSource = bll.GetPagedData(startRowIndex, startRowIndex + pager.PageSize - 1); //設置數據綁定
20 /// Repeater1.DataBind();
21 /// PagerHTML = pager.Render();//渲染頁碼條HTML
22 /// </summary>
23 public class RupengPager
24 {
25 /// <summary>
26 /// 總數據條數
27 /// </summary>
28 public int TotalCount { get; set; }
29
30 /// <summary>
31 /// 每頁數據條數
32 /// </summary>
33 public int PageSize { get; set; }
34
35 /// <summary>
36 /// 當前頁碼（從1開始）
37 /// </summary>
38 public int CurrentPageIndex { get; set; }
39
40 /// <summary>
41 /// 顯示出來最多的頁碼數量，因為假設有100頁，不可能把100頁都顯示到界面上
42 /// </summary>
43 public int MaxPagerCount { get; set; }
44
45 /// <summary>
46 /// 頁碼鏈接的地址格式，頁碼用{n}占位。
47 /// </summary>
48 public string UrlFormat { get; set; }
49 /// <summary>
50 /// 默認初始化
51 /// </summary>
52 public RupengPager()
53 {
54 PageSize = 10;
55 MaxPagerCount = 10;
56 }
57
58 /// <summary>
59 /// 嘗試從字符串pn中解析當前頁面賦值給CurrentPageIndex
60 /// </summary>
61 /// <param name="pn"></param>
62 public void TryParseCurrentPageIndex(string pn)
63 {
64 int temp;
65 if (int.TryParse(pn, out temp))
66 {
67 CurrentPageIndex = temp;
68 }
69 else
70 {
71 CurrentPageIndex = 1;
72 }
73 }
74
75 /// <summary>
76 /// 創建頁碼鏈接
77 /// </summary>
78 /// <param name="i">頁碼</param>
79 /// <param name="text">鏈接文本</param>
80 /// <returns></returns>
81 private string GetPageLink(int i,string text)
82 {
83 StringBuilder sb = new StringBuilder();
84 string url = UrlFormat.Replace("{n}", i.ToString());
85 sb.Append("<a href='").Append(url).Append("'>").Append(text).Append("</a>");
86 return sb.ToString();
87 }
88 public string Render()
89 {
90
91
92 StringBuilder sb = new StringBuilder();
93 //TotalCount=35,PageSize=10,pageCount=4
94
95 //計算總頁數，如果是30條，則是3頁，31條也是3頁，29條也是3頁，因此是
96 //天花板運算Ceiling
97 double tempCount = TotalCount / PageSize;
98 int pageCount = (int)Math.Ceiling(tempCount);
99
100 //計算顯示的頁碼數（當總頁碼大於MaxPagerCount）的起始頁碼
101 int visibleStart = CurrentPageIndex-MaxPagerCount/2;
102 if (visibleStart <1)
103 {
104 visibleStart = 1;
105 }
106
107 //計算顯示的頁碼數（當總頁碼大於MaxPagerCount）的起始頁碼
108 int visibleEnd = visibleStart + MaxPagerCount;
109 //顯示最多MaxPagerCount條
110 //如果算出來的結束頁碼大於總頁碼的話則調整為最大頁碼
111 if (visibleEnd >pageCount)
112 {
113 visibleEnd = pageCount;
114 }
115
116 if (CurrentPageIndex > 1)
117 {
118 sb.Append(GetPageLink(1, "首頁"));
119 sb.Append(GetPageLink(CurrentPageIndex - 1, "上一頁"));
120 }
121 else
122 {
123 sb.Append("<span>首頁</span>");
124 //如果沒有上一頁了，則只顯示一個上一頁的文字，沒有超鏈接
125 sb.Append("<span>上一頁</span>");
126 }
127
128 //繪制可視的頁碼鏈接
129 for (int i = visibleStart; i <= visibleEnd; i++)
130 {
131 //當前頁不是超鏈接
132 if (i == CurrentPageIndex)
133 {
134 sb.Append("<span>").Append(i).Append("</span>");
135 }
136 else
137 {
138 sb.Append(GetPageLink(i,i.ToString()));
139 }
140 }
141 if (CurrentPageIndex < pageCount)
142 {
143 sb.Append(GetPageLink(CurrentPageIndex + 1, "下一頁"));
144 sb.Append(GetPageLink(pageCount + 1, "末頁"));
145 }
146 else
147 {
148 sb.Append("<span>下一頁</span>");
149 sb.Append("<span>末頁</span>");
150 }
151 return sb.ToString();
152 }
153 }
154 }
View Code
SessionHelper.cs
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1 using System.Web;
2
3 namespace Common
4 {
5 /// <summary>
6 /// Session 操作類
7 /// 1、GetSession(string name)根據session名獲取session對象
8 /// 2、SetSession(string name, object val)設置session
9 /// </summary>
10 public class SessionHelper
11 {
12 /// <summary>
13 /// 根據session名獲取session對象
14 /// </summary>
15 /// <param name="name"></param>
16 /// <returns></returns>
17 public static object GetSession(string name)
18 {
19 return HttpContext.Current.Session[name];
20 }
21 /// <summary>
22 /// 設置session
23 /// </summary>
24 /// <param name="name">session 名</param>
25 /// <param name="val">session 值</param>
26 public static void SetSession(string name, object val)
27 {
28 HttpContext.Current.Session.Remove(name);
29 HttpContext.Current.Session.Add(name, val);
30 }
31 /// <summary>
32 /// 添加Session，調動有效期為20分鐘
33 /// </summary>
34 /// <param name="strSessionName">Session對象名稱</param>
35 /// <param name="strValue">Session值</param>
36 public static void Add(string strSessionName, string strValue)
37 {
38 HttpContext.Current.Session[strSessionName] = strValue;
39 HttpContext.Current.Session.Timeout = 20;
40 }
41
42 /// <summary>
43 /// 添加Session，調動有效期為20分鐘
44 /// </summary>
45 /// <param name="strSessionName">Session對象名稱</param>
46 /// <param name="strValues">Session值數組</param>
47 public static void Adds(string strSessionName, string[] strValues)
48 {
49 HttpContext.Current.Session[strSessionName] = strValues;
50 HttpContext.Current.Session.Timeout = 20;
51 }
52
53 /// <summary>
54 /// 添加Session
55 /// </summary>
56 /// <param name="strSessionName">Session對象名稱</param>
57 /// <param name="strValue">Session值</param>
58 /// <param name="iExpires">調動有效期（分鐘）</param>
59 public static void Add(string strSessionName, string strValue, int iExpires)
60 {
61 HttpContext.Current.Session[strSessionName] = strValue;
62 HttpContext.Current.Session.Timeout = iExpires;
63 }
64
65 /// <summary>
66 /// 添加Session
67 /// </summary>
68 /// <param name="strSessionName">Session對象名稱</param>
69 /// <param name="strValues">Session值數組</param>
70 /// <param name="iExpires">調動有效期（分鐘）</param>
71 public static void Adds(string strSessionName, string[] strValues, int iExpires)
72 {
73 HttpContext.Current.Session[strSessionName] = strValues;
74 HttpContext.Current.Session.Timeout = iExpires;
75 }
76
77 /// <summary>
78 /// 讀取某個Session對象值
79 /// </summary>
80 /// <param name="strSessionName">Session對象名稱</param>
81 /// <returns>Session對象值</returns>
82 public static string Get(string strSessionName)
83 {
84 if (HttpContext.Current.Session[strSessionName] == null)
85 {
86 return null;
87 }
88 else
89 {
90 return HttpContext.Current.Session[strSessionName].ToString();
91 }
92 }
93
94 /// <summary>
95 /// 讀取某個Session對象值數組
96 /// </summary>
97 /// <param name="strSessionName">Session對象名稱</param>
98 /// <returns>Session對象值數組</returns>
99 public static string[] Gets(string strSessionName)
100 {
101 if (HttpContext.Current.Session[strSessionName] == null)
102 {
103 return null;
104 }
105 else
106 {
107 return (string[])HttpContext.Current.Session[strSessionName];
108 }
109 }
110
111 /// <summary>
112 /// 刪除某個Session對象
113 /// </summary>
114 /// <param name="strSessionName">Session對象名稱</param>
115 public static void Del(string strSessionName)
116 {
117 HttpContext.Current.Session[strSessionName] = null;
118 }
119 /// <summary>
120 /// 移除Session
121 /// </summary>
122 public static void Remove(string sessionname)
123 {
124 if (HttpContext.Current.Session[sessionname] != null)
125 {
126 HttpContext.Current.Session.Remove(sessionname);
127 HttpContext.Current.Session[sessionname] = null;
128 }
129 }
130 }
131 }
View Code
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