当前文件路径：AspxNuke/Common/Component/SimplePager.cs 
1
using System;
2using System.ComponentModel;
3using System.Globalization;
4using System.Text;
5using System.Text.RegularExpressions;
6using System.Web.UI;
7using System.Web.UI.WebControls;
8
9[assembly : CLSCompliant(true)]
10
11namespace AspxNuke.Component
12
...{
13
/**//// <summary>
14
/// 分页控件
15
/// </summary>
16 [ParseChildren(true)]
17 [ToolboxData("<{0}:SimplePager runat=server> </{0}:SimplePager>")]
18 public class SimplePager : WebControl
19 ...{
20
21
22 private ITemplate _itemTemplate;
23 /**//// <summary>
24 /// 指定存放模板的容器控件
25 /// </summary>
26 [TemplateContainer(typeof (ContainerControl))]
27 [Browsable(false)]
28 [PersistenceMode(PersistenceMode.InnerDefaultProperty)]
29 public virtual ITemplate ItemTemplate
30 ...{
31 get ...{ return _itemTemplate; }
32 set ...{ _itemTemplate = value; }
33 }
34
35 private int _pageSize = 10;
36 /**//// <summary>
37 /// 页长
38 /// </summary>
39 public int PageSize
40 ...{
41 set ...{ _pageSize = value; }
42 get ...{ return _pageSize; }
43 }
44
45 private int _currentPage = 1;
46 /**//// <summary>
47 /// 当前页
48 /// </summary>
49 public int CurrentPage
50 ...{
51 set ...{ _currentPage = value; }
52 get ...{ return _currentPage; }
53 }
54
55 private int _recordCount;
56 /**//// <summary>
57 /// 总记录
58 /// </summary>
59 public int RecordCount
60 ...{
61 set ...{ _recordCount = value; }
62 get ...{ return _recordCount; }
63 }
64
65 private string _pageUrl;
66 /**//// <summary>
67 /// 页地址
68 /// </summary>
69 public string PageUrl
70 ...{
71 set
72 ...{
73 if (value == null)
74 ...{
75 throw new ArgumentNullException("value");
76 }
77
78 Regex r = new Regex(@"PageNo=");
79 Match m = r.Match(value);
80 if (m.Success)
81 ...{
82 _pageUrl = value.Substring(0, m.Index + 7);
83 }
84 else
85 ...{
86 if (Regex.IsMatch(value, @"\?"))
87 ...{
88 _pageUrl = string.Concat(value, "&PageNo=");
89 }
90 else
91 ...{
92 _pageUrl = string.Concat(value, "?PageNo=");
93 }
94 }
95 }
96 get ...{ return _pageUrl; }
97 }
98
99 /**//// <summary>
100 /// 在这里进行检查并创建模板
101 /// </summary>
102 /// <param name="e">包含事件数据的类的基类</param>
103 protected override void OnDataBinding(EventArgs e)
104 ...{
105 EnsureChildControls(); //确定是否包含子控件,否则创建
106 base.OnDataBinding(e);
107 }
108
109 /**//// <summary>
110 /// 创建子控件
111 /// </summary>
112 protected override void CreateChildControls()
113 ...{
114 if (_itemTemplate != null)
115 ...{
116 ContainerControl cc = new ContainerControl(_pageSize, _currentPage, _recordCount, _pageUrl);
117 cc.ShowPage();
118 _itemTemplate.InstantiateIn(cc);
119 Controls.Add(cc);
120 }
121 else
122 ...{
123 Controls.Add(new LiteralControl(" NO TEMPLATE"));
124 base.CreateChildControls();
125 }
126 }
127 }
128
129 /**//// <summary>
130 /// 放模板的容器
131 /// </summary>
132 [ToolboxItem(false)]
133 public class ContainerControl : WebControl, INamingContainer
134 ...{
135 初始化及内部方法#region 初始化及内部方法
136
137 private string _pageUrl;
138 private const string URL_STRING = "<a href='{0}{1}'>{2}</a>";
139
140 /**//// <summary>
141 /// 初始化
142 /// </summary>
143 /// <param name="pageSize">页长</param>
144 /// <param name="currentPage">当前页</param>
145 /// <param name="recordCount">页记录</param>
146 /// <param name="pageUrl">页地址</param>
147 public ContainerControl(int pageSize, int currentPage, int recordCount, string pageUrl)
148 ...{
149 _pageSize = pageSize;
150 _currentPage = currentPage;
151 _recordCount = recordCount;
152 _pageUrl = pageUrl;
153 }
154
155 /**//// <summary>
156 ///
157 /// </summary>
158 /// <returns></returns>
159 private int OverPage()
160 ...{
161 int pages;
162 if (_recordCount%_pageSize != 0)
163 pages = 1;
164 else
165 pages = 0;
166 return pages;
167 }
168
169 /**//// <summary>
170 /// 获取页列表如[1][2]...[10]
171 /// </summary>
172 /// <param name="count">页列表长度</param>
173 /// <returns>返回页列表</returns>
174 private string GetListPages(int count)
175 ...{
176 StringBuilder rets = new StringBuilder();
177 int j = _currentPage - count/2;
178 if (j < count/2)
179 ...{
180 j = 0;
181 }
182 for (int i = 1; i <= count; i++)
183 ...{
184 int currentPage = i + j;
185 if (currentPage <= _pageCount)
186 ...{
187 if (_currentPage == currentPage)
188 ...{
189 rets.AppendFormat(string.Format(CultureInfo.InvariantCulture, "[{0}]", currentPage));
190 }
191 else
192 ...{
193 rets.AppendFormat(URL_STRING, _pageUrl, currentPage,
194 string.Format(CultureInfo.InvariantCulture, "[{0}]", currentPage));
195 }
196 }
197 else
198 ...{
199 break;
200 }
201 }
202 return rets.ToString();
203 }
204
205 #endregion
206
207 private int _currentPage;
208 private string _firstPage;
209 private string _lastPage;
210 private string _listPages;
211 private string _nextPage;
212 private int _pageCount;
213 private int _pageSize;
214
215 private string _prevPage;
216 private int _recordCount;
217
218 /**//// <summary>
219 /// 首页
220 /// </summary>
221 public string FirstPage
222 ...{
223 set ...{ _firstPage = value; }
224 get ...{ return _firstPage; }
225 }
226
227 /**//// <summary>
228 /// 上一页
229 /// </summary>
230 public string PrevPage
231 ...{
232 set ...{ _prevPage = value; }
233 get ...{ return _prevPage; }
234 }
235
236 /**//// <summary>
237 /// 下一页
238 /// </summary>
239 public string NextPage
240 ...{
241 set ...{ _nextPage = value; }
242 get ...{ return _nextPage; }
243 }
244
245 /**//// <summary>
246 /// 尾页
247 /// </summary>
248 public string LastPage
249
