1
using System;
2using System.Data;
3using System.Web;
4using System.Drawing;
5using System.Web.SessionState;
6using System.Web.UI;
7using System.Web.UI.WebControls;
8using System.Web.UI.HtmlControls;
9using System.Text.RegularExpressions ;
10using AjaxControlToolkit;
11
12namespace projmanager
13
...{
14
/**//// <summary>
15
/// CommHandler类包含本解决方案通用的方法
16
/// </summary>
17 public class CommHandler
18 ...{
19
20 字符串转换方法#region 字符串转换方法
21
22 /**//// <summary>
23 /// 从前台获取的带空格字符串的处理
24 /// </summary>
25 /// <param name="s">待处理字符串</param>
26 /// <returns>处理后的字符串</returns>
27 public static string FormatNullString(string s)
28 ...{
29 s = s.Replace(" ", " ");
30 return s.Trim();
31 }
32
33 /**//// <summary>
34 /// 将字符串转换为整数
35 /// </summary>
36 /// <param name="str">待转换的字符串</param>
37 /// <returns>转换后的整数</returns>
38 public static int StringToInt(string str)
39 ...{
40 int ret = 0;
41 try
42 ...{
43 ret = int.Parse(str);
44 }
45 catch
46 ...{
47 }
48
49 return ret;
50 }
51
52 /**//// <summary>
53 /// 将字符串转换为浮点数
54 /// </summary>
55 /// <param name="str">待转换的字符串</param>
56 /// <returns>转换后的浮点数</returns>
57 public static double StringToDouble(string str)
58 ...{
59 double ret = 0.0;
60
61 try
62 ...{
63 ret = double.Parse(str);
64 }
65 catch
66 ...{ }
67
68 return ret;
69 }
70
71 /**//// <summary>
72 /// 将字符串转换为日期格式
73 /// </summary>
74 /// <param name="val">待转换的字符串</param>
75 /// <returns>转换后的日期</returns>
76 public static DateTime StringToDateTime(string val)
77 ...{
78 //若字符串为空，返回最小日期
79 if (val == string.Empty || val == null)
80 return System.DateTime.MinValue;
81
82 try
83 ...{
84 System.DateTime dt = System.DateTime.Parse(val);
85 return dt;
86 }
87 catch
88 ...{
89 return System.DateTime.MinValue;
90 }
91 }
92
93 public static string Today()
94 ...{
95 return DateTimeToString(System.DateTime.Today);
96 }
97
98 public static string DateTimeToString(DateTime d)
99 ...{
100 string ret = "";
101
102 try
103 ...{
104 ret = d.ToString("yyyy-MM-dd");
105 }
106 catch
107 ...{ }
108
109 if (ret == "0001-01-01")
110 ...{
111 ret = "";
112 }
113
114 return ret;
115 }
116
117
118 #endregion
119
120
121
122
123
124 /**//// <summary>
125 /// 用VALUEID初始化下拉框
126 /// </summary>
127 /// <param name="ddl">下拉框ID</param>
128 /// <param name="valuetype">VALUETYPE</param>
129 /// <param name="emptyLine">是否包含空行</param>
130 public static void DDL_Init(DropDownList ddl, string valuetype, bool emptyLine)
131 ...{
132 //从HR_Value表中读取对应VALUETYPE的记录的存储过程
133 string spName = "HR_Value_InitDDL";
134 //存储过程参数
135 object[] para = new object[] ...{ valuetype };
136
137 //调用SQL文初始化下拉框方法
138 DDL_Init(ddl, spName, para, emptyLine);
139 }
140
141 /**//// <summary>
142 /// 从存储过程加载下拉框
143 /// </summary>
144 /// <param name="ddl"></param>
145 /// <param name="spName"></param>
146 /// <param name="para"></param>
147 /// <param name="emptyLine"></param>
148 public static void DDL_Init(DropDownList ddl, string spName, object[] para, bool emptyLine)
149 ...{
150 //通过存储过程查询数据
151 DataTable dt = DataAccess.ExecuteDataTable(spName, emptyLine, para);
152
153 //查询结果为空
154 if (dt == null)
155 ...{
156 return;
157 }
158
159 //在首行添加空行
160 if (emptyLine)
161 ...{
162 DataRow dr = dt.NewRow();
163 dr["VALUETEXT"] = "";
164 dr["VALUEID"] = "";
165 dt.Rows.InsertAt(dr, 0);
166 }
167
168 //为下拉框绑定数据源
169 ddl.DataSource = dt;
170 ddl.DataTextField = "VALUETEXT";
171 ddl.DataValueField = "VALUEID";
172 ddl.DataBind();
173 }
174
175 /**//// <summary>
176 /// 显示下拉框指定的行
177 /// </summary>
178 /// <param name="ddl">下拉框ID</param>
179 /// <param name="val">要显示的值</param>
180 public static void DDL_ShowItem(DropDownList ddl, string val)
181 ...{
182 //若下拉框当前有选中行，清除
183 if (ddl.SelectedItem != null)
184 ...{
185 ddl.SelectedItem.Selected = false;
186 }
187
188 for (int i = 0; i < ddl.Items.Count; i++)
189 ...{
190 ListItem li = ddl.Items[i];
191 //找到下拉选项中，value等于给定值的
192 if (li.Value == val)
193 ...{
194 //将该选项置为选中状态
195 li.Selected = true;
196 break;
197 }
198 }
199 }
200
201 /**//// <summary>
202 /// 通过下拉框将静态数据的Value翻译成Text
203 /// </summary>
204 /// <param name="ddl">下拉框</param>
205 /// <param name="val">待翻译的Value</param>
206 /// <returns>返回Text</returns>
207 public static string DDL_ValueToText(DropDownList ddl, string val)
208 ...{
209 string ret = "";
210
211 for (int i = 0; i < ddl.Items.Count; i++)
212 ...{
213 ListItem li = ddl.Items[i];
214 //从下拉框所有选项中找到Value等于给定值的
215 if (li.Value == val)
216 ...{
217 //获取符合条件的选项的Text
218 ret = li.Text;
219 break;
220 }
221 }
222
223 return ret;
224 }
225
226
227
228 执行前台脚本相关#region 执行前台脚本相关
229
230 /**//// <summary>
231 /// 整个页面重定向到指定的URL
232 /// </summary>
233 /// <param name="pg">页面</param>
234 /// <param name="url">URL</param>
235 public static void ReDirURL(System.Web.UI.Page pg, string url)
236 ...{
237 string cmd = "<script for=document event=onreadystatechange language=javascript>\n"
238 + "top.main.window.location='"
239 + url
240 + "'</script> ";
241 pg.Response.Write(cmd);
242 }
243
244 /**//// <summary>
245 /// 页面重定向到登录页
246 /// </summary>
247 /// <param name="pg">页面</param>
248 public static void ReDirURL(System.Web.UI.Page pg)
249 ...{
250 string url = "Login.aspx";
251 ReDirURL(pg, url);
252 }
253
254 /**//// <summary>
255 /// 为按钮添加确认信息
256 /// </summary>
257 /// <param name="btn">按钮</param>
258 /// <param name="msg">确认信息内容</param>
259 public static void AddConfirm(Button btn, string msg)
260 ...{
261 //为按钮添加确认信息
262 btn.Attributes.Add("onclick", "return confirm('" + msg + "');");
263 }
264
265 public static string ReplaceString(string msg)
266 ...{
267 //由于前后台处理特殊字符的方式不一致，需要转换
268
269 //处理\\
270 string p = @"(\\)";
271 Regex r = new Regex(p, RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.RightToLeft);
272 msg = r.Replace(msg, "\\\\");
273
274 //处理\n
275 p = @"(\n)";
276 r = new Regex(p, RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.RightToLeft);
277 msg = r.Replace(msg, "\\n");
278
279 //处理\t
280 p = @"(\t)";
281 r = new Regex(p, RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.RightToLeft);
282 msg = r.Replace(msg, "\\t");
283
284 //处理\r
285 p = @"(\r)";
286 r = new Regex(p, RegexOptions.IgnoreCase | RegexOptions.Singleline |
ProjectManager/App_Code/common/CommHandler.cs，打开代码结构图