using System; using System.IO; using System.Web; using System.Data; using System.Web.UI; using System.Collections; using System.Web.UI.WebControls; using Microsoft.Web.UI.WebControls; using System.Drawing; using System.Text; using OWC; namespace JSL.MVC.Page { /// <summary> /// Controls 的摘要说明。 /// </summary> public class Controls { private Controls() { } #region string public static string Encrypto(string Source) { System.Security.Cryptography.HashAlgorithm HashCryptoService; HashCryptoService = new System.Security.Cryptography.SHA1Managed();
byte[] bytIn = System.Text.UTF8Encoding.UTF8.GetBytes(Source); byte[] bytOut = HashCryptoService.ComputeHash(bytIn); return Convert.ToBase64String(bytOut); } #endregion
#region BaseDataList public void BindBaseList(System.Web.UI.WebControls.BaseDataList bdl_object,DataSet ds, string tbName) { bdl_object.DataSource=ds.Tables[tbName]; bdl_object.DataBind(); }
public void BindBaseList(System.Web.UI.WebControls.BaseDataList bdl_object,DataTable dt) { bdl_object.DataSource=dt; bdl_object.DataBind(); } #endregion
#region DropDownList public static void CreateDropDownList(DropDownList ddl_object, DataTable dt, string s_text,string s_value) { ddl_object.DataSource = dt; ddl_object.DataTextField = s_text; ddl_object.DataValueField = s_value; ddl_object.DataBind(); }
public static void CreateDropDownList(DropDownList ddl_object, DataSet ds, string s_text,string s_value) { ddl_object.DataSource = ds; ddl_object.DataTextField = s_text; ddl_object.DataValueField = s_value; ddl_object.DataBind(); }
public static void CreateDropDownList(DropDownList ddl_object, string s_text, string s_value) { ListItem li = new ListItem(s_text, s_value); ddl_object.Items.Add(li); }
public static void CreateDropDownList(DropDownList ddl_object, string[] s_text, string[] s_value) { for (int i = 0; i < s_text.Length; i++) { ListItem li = new ListItem(s_text[i],s_value[i]); ddl_object.Items.Add(li); } }
public static void CopyDropDownList(DropDownList ddl_source, DropDownList ddl_target) { ddl_target.Items.Clear(); ddl_target.DataTextField = ddl_source.DataTextField; ddl_target.DataTextFormatString = ddl_source.DataTextFormatString; ddl_target.DataValueField = ddl_source.DataValueField; for (int i = 0; i < ddl_source.Items.Count; i++) { ddl_target.Items.Add(ddl_source.Items[i]); } }
public static void SetDropDownListValue(DropDownList ddl_object, string s_value) { foreach(ListItem li in ddl_object.Items) { if (li.Value == s_value) { ddl_object.SelectedValue = s_value; break; } else { ddl_object.SelectedValue = null; } } }
public static void SetDropDownListValue(DropDownList[] ddl_object,string[] s_value) { int i = 0; foreach(DropDownList ddl in ddl_object) { SetDropDownListValue(ddl,s_value[i++]); } } #endregion
#region TextBox protected static void CopyTextBox(TextBox tb_source, TextBox tb_target) { tb_target.Text = tb_source.Text; }
protected static void SetTextBoxValue(TextBox tb_object, string s_value) { tb_object.Text = s_value; }
protected static void SetTextBoxValue(TextBox[] tb_object,string[] s_value) { int i = 0; foreach(TextBox dt in tb_object) { SetTextBoxValue(dt,s_value[i++]); } } #endregion
#region TreeView /// <summary> /// 创建树形结构 /// </summary> /// <param name="dt">要传入的数据表</param> /// <param name="treenodecollection">树结点容器集合</param> /// <param name="MapNodeData">结点主键</param> /// <param name="MapText">显示内容</param> /// <param name="MapNavigateURL">导航路径</param> /// <param name="ImageURL">图片地址</param> /// <param name="ParentName">结点父键</param> /// <param name="RelationOperation">结点过滤关系运算符</param> /// <param name="ParentValue">运算比较值</param> /// <param name="ParentValueType">比较值类型</param> /// <param name="SortExpression">排序方式</param> /// <param name="bcheckbox">选择框显示与否</param> /// <param name="MapStatus">选择框的内容</param> /// <param name="MapTarget">用于树保存时的分层标记</param> public static void CreateViewTree(DataTable dt, TreeNodeCollection treenodecollection, string MapNodeData, string MapText, string MapNavigateURL, string ParentName, string RelationOperation, string ParentValue, string ParentValueType,string SortExpression, bool bcheckbox, string MapStatus, string MapTarget) { if (ParentValueType == "'") ParentValue = ParentValueType + ParentValue + ParentValueType;
string str = ParentName + RelationOperation + ParentValue; DataRow[] drs = dt.Select( ParentName + RelationOperation + ParentValue, SortExpression); foreach(DataRow dr in drs) { TreeNode treenode = new TreeNode(); treenode.Text = dr[MapText].ToString(); try { treenode.NavigateUrl = dr[MapNavigateURL].ToString(); } catch{treenode.NavigateUrl = "";} treenode.CheckBox = bcheckbox; if (MapTarget != "" && MapTarget != null) treenode.TreeNodeXsltSrc = dr[MapTarget].ToString(); if (treenode.CheckBox) { bool bcheck ; try { bcheck = (dr[MapStatus].ToString() == "1"); } catch{bcheck = false;} treenode.Checked =bcheck ; } string treenodenodedata = treenode.NodeData = dr[MapNodeData].ToString(); treenodecollection.Add(treenode); if (ParentValueType == "'") treenodenodedata =ParentValueType+ treenodenodedata + ParentValueType;
DataRow[] tmpdrs = dt.Select(ParentName + RelationOperation + treenodenodedata, SortExpression); if ( tmpdrs.Length > 0) { CreateViewTree(dt,treenode.Nodes,MapNodeData,MapText,MapNavigateURL,ParentName,RelationOperation,treenode.NodeData,ParentValueType,SortExpression,bcheckbox,MapStatus,MapTarget); } } } #endregion
#region Session public static bool CheckSession(string CheckSession,System.Web.UI.Page WebPage) { bool b=false; foreach(string sTmp in WebPage.Session.Keys) { if (sTmp.Equals(CheckSession)) { b = true; break; } } return b; }
public static void CheckSession(string CheckSession,System.Web.UI.Page WebPage,string ErrorPage) { bool b=false; foreach(string sTmp in WebPage.Session.Keys) { if (sTmp.Equals(CheckSession)) { b = true; break; } }
if (!b) WebPage.Response.Redirect(ErrorPage); } #endregion
#region Reponse public static void ResponsePage(System.Web.UI.Page WebPage,string sUrl,string sChoose) { try { switch(sChoose) { case "1": WebPage.Response.Write("<script>window.location.href='"+sUrl+"';</script>"); break; case "2": WebPage.Server.Transfer(sUrl ); break; case "3": WebPage.Response.Redirect(sUrl); break; case "debug": WebPage.Response.Write("<script>alert('"+sUrl+"')</script>"); break; default : WebPage.Response.Write(sUrl); break; } } catch { WebPage.Response.Write("Error URL:"+sUrl); } } #endregion
#region Server To Client JAVASCRIPT public void javaScript(string alert ,System.Web.UI.Page WebPage) { WebPage.RegisterStartupScript("script","<script language=javascript>alert('"+alert+"');</script>"); } #endregion
#region Split DataGrid public static string[] SplitPage(System.Web.UI.Page CurPage,DataGrid dgSplit,DataTable dtSplit,int iRowsSplitPage ) { string PAGE_OBJECT = "page"+dgSplit.ID; string sPage = "1"; int iCurPage = 1; if (CurPage.Request.QueryString[PAGE_OBJECT]!=null) sPage = CurPage.Request.QueryString[PAGE_OBJECT].ToString(); try { iCurPage = Int32.Parse(sPage); } catch { iCurPage = 1; } int start = (int)((iCurPage - 1) * iRowsSplitPage); if (start < 0) start = 0; int to = (int)(iCurPage * iRowsSplitPage);
DataView dv = dtSplit.DefaultView; int iResults = dv.Count; int a1=0; int iPageCount = Math.DivRem(iResults,iRowsSplitPage,out a1); if (a1>0) iPageCount++; if (iCurPage > iPageCount || iCurPage<= 0) iCurPage = 1; if (iCurPage == iPageCount) to = dv.Count; DataTable dt = dv.Table.Clone(); DataRow dr; for(int i=start;i<iResults;i++) { if(i<to) { dr = dt.NewRow(); for(int k=0;k<dv.Table.Columns.Count;k++) { // if (k==0) // dr[k] = iResults - i; // else dr[k] = dv.Table.Rows[i][k]; } dt.Rows.Add(dr); } } dt.AcceptChanges();
DataView dvResult = new DataView(dt); dgSplit.DataSource = dvResult; dgSplit.DataBind(); // dgSplit.Visible = !(dvResult.Count == 0);
string strNav = ""; int iEndPage = iPageCount; strNav += "<a href='?"+PAGE_OBJECT+"="+ 1.ToString() + "'>首 页</a> "; if (iCurPage>1) { strNav += "<a href='?"+PAGE_OBJECT+"="+ (iCurPage - 1).ToString() + "'>上 页</a> "; } else { strNav += " 上 页 "; } if (iCurPage>11) { strNav += "<a href='?"+PAGE_OBJECT+"=1'>1</a> ..."; } if (iPageCount > iCurPage + 10) iEndPage = iCurPage + 10; for (int i = iCurPage - 10; i < iEndPage + 1; i++) { if(i>=1) { if (i==iCurPage) { strNav +="<font color=#990000><strong>"+ i.ToString() + "</strong></font> "; } else { strNav += "<a href='?"+PAGE_OBJECT+"="+ i.ToString() + "'>"+ i.ToString() +"</a> "; } } }
if ((iCurPage+10) < iPageCount) strNav += "... <a href='?"+PAGE_OBJECT+"="+ iPageCount.ToString() + "'>"+ iPageCount.ToString() + "</a>"; if (iCurPage < iPageCount) { strNav += " <a href='?"+PAGE_OBJECT+"="+ (iCurPage+1).ToString() + "'>下 页</a> "; } else { strNav += " 下 页 "; } strNav += " <a href='?"+PAGE_OBJECT+"="+ (iPageCount).ToString() + "'>末 页</a> ";
string[] strNavResult = new string[2]; strNavResult[0] = strNav; strNavResult[1] = "[共"+ iResults.ToString() +"条][第"+ (start+1).ToString() +"-"+ to.ToString() +"条][共"+ iPageCount.ToString() +"页]" ;
return strNavResult; } #endregion
#region DataGrid To Excel public static void DataGrid2Excel(DataGrid dg, string filename) { OWC.SpreadsheetClass xlsheet = new SpreadsheetClass(); int ihead = 0; foreach(DataGridColumn dgc in dg.Columns) { xlsheet.ActiveSheet.Cells[1, ihead + 1] = dgc.HeaderText; // xlsheet.get_Range(xlsheet.Cells[1, 1], xlsheet.Cells[1, i + 1]).Font.Bold = true; // xlsheet.get_Range(xlsheet.Cells[1, 1], xlsheet.Cells[1, i + 1]).Font.Color = "red"; ihead++; }
int icols = dg.Items[0].Cells.Count; for (int j = 0; j < dg.Items.Count; j++) { for (int i = 0; i < icols; i++) { xlsheet.ActiveSheet.Cells[j + 2, i + 1] = dg.Items[j].Cells[i].Text.Replace(" "," "); } }
try { //System.Web.HttpContext.Current.Server.MapPath xlsheet.ActiveSheet.Export(filename, OWC.SheetExportActionEnum.ssExportActionOpenInExcel); } catch { return; } } #endregion
#region HostName public static string GetHostName() { return System.Net.Dns.GetHostName(); }
public static System.Net.IPHostEntry GetHostByName(string hostname) { return System.Net.Dns.GetHostByName(hostname); }
#endregion
#region Process private void KillProcess(string processName) { System.Diagnostics.Process myproc= new System.Diagnostics.Process(); //得到所有打开的进程 try { foreach (System.Diagnostics.Process thisproc in System.Diagnostics.Process.GetProcessesByName(processName)) { if(!thisproc.CloseMainWindow()) { thisproc.Kill(); } } } catch(Exception Exc) { ; } } #endregion
#region Execel /// <summary> /// Class to export a number of web controls to Excel. /// Pass BuildExcelTable your control, then call ExportToBrowser() to write down to the browser. /// This will open a new instance of Excel. /// If you want to open the Excel file in the current browser window, comment out the Response.AddHEader line. /// </summary> public class ExcelWriter { protected string m_szExcelHtnml; private string szFileName; private bool bStripBreaks;
public void BuildExcelTable(object DG) { //Header Styles StringWriter sw = new StringWriter(); HtmlTextWriter ht = new HtmlTextWriter(sw); string sObjectTypeName = DG.GetType().Name.ToString(); switch (sObjectTypeName) { case "DataGrid": ((DataGrid)DG).ShowHeader = true; ((DataGrid)DG).RenderControl(ht); break; case "DataList": ((DataList)DG).RenderControl(ht); break; case "TextBox": ((TextBox)DG).RenderControl(ht); break; case "Label": ht.Write(((Label)DG).Text); break; case "TableRow": ht.Write("<table>"); ((TableRow)DG).RenderControl(ht); ht.Write("</table>"); break; case "Table": ((Table)DG).RenderControl(ht); break; default: break; } m_szExcelHtnml += sw.ToString(); }
public void ExportToBrowser() { if(szFileName == "" || szFileName == null) { szFileName = "ExcelFile.xls"; }
if(bStripBreaks) { m_szExcelHtnml = m_szExcelHtnml.Replace("<br>", " "); m_szExcelHtnml = m_szExcelHtnml.Replace("<BR>", " "); } HttpContext.Current.Response.Clear(); HttpContext.Current.Response.ClearHeaders(); HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + szFileName); HttpContext.Current.Response.ContentType = "application/vnd.ms-excel"; HttpContext.Current.Response.Write(m_szExcelHtnml); HttpContext.Current.Response.Flush(); HttpContext.Current.Response.End(); }
public string FileName { get { return szFileName; } set { szFileName = value; } }
public bool StripBreakTags { get { return bStripBreaks; } set { bStripBreaks = value; } } } #endregion
#region PDF public class PDFGenerator { static float pageWidth = 594.0f; static float pageDepth = 828.0f; static float pageMargin = 30.0f; static float fontSize = 20.0f; static float leadSize = 10.0f; static StreamWriter pPDF=new StreamWriter("E:\\myPDF.pdf"); static MemoryStream mPDF= new MemoryStream(); static void ConvertToByteAndAddtoStream(string strMsg) { Byte[] buffer=null; buffer=ASCIIEncoding.ASCII.GetBytes(strMsg); mPDF.Write(buffer,0,buffer.Length); buffer=null; } static string xRefFormatting(long xValue) { string strMsg =xValue.ToString(); int iLen=strMsg.Length; if (iLen<10) { StringBuilder s=new StringBuilder(); int i=10-iLen; s.Append('0',i); strMsg=s.ToString() + strMsg; } return strMsg; } static void Main(string[] args) { ArrayList xRefs=new ArrayList(); //Byte[] buffer=null; float yPos =0f; long streamStart=0; long streamEnd=0; long streamLen =0; string strPDFMessage=null; //PDF文档头信息 strPDFMessage="%PDF-1.1\n"; ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="1 0 obj\n"; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="<< /Length 2 0 R >>\n"; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="stream\n"; ConvertToByteAndAddtoStream(strPDFMessage); ////////PDF文档描述 streamStart=mPDF.Length; //字体 strPDFMessage="BT\n/F0 " + fontSize +" Tf\n"; ConvertToByteAndAddtoStream(strPDFMessage); //PDF文档实体高度 yPos = pageDepth - pageMargin; strPDFMessage=pageMargin + " " + yPos +" Td\n" ; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage= leadSize+" TL\n" ; ConvertToByteAndAddtoStream(strPDFMessage); //实体内容 strPDFMessage= "(http://www.wenhui.org)Tj\n" ; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage= "ET\n"; ConvertToByteAndAddtoStream(strPDFMessage); streamEnd=mPDF.Length; streamLen=streamEnd-streamStart; strPDFMessage= "endstream\nendobj\n"; ConvertToByteAndAddtoStream(strPDFMessage); //PDF文档的版本信息 xRefs.Add(mPDF.Length); strPDFMessage="2 0 obj\n"+ streamLen + "\nendobj\n"; ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="3 0 obj\n<</Type/Page/Parent 4 0 R/Contents 1 0 R>>\nendobj\n"; ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="4 0 obj\n<</Type /Pages /Count 1\n"; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="/Kids[\n3 0 R\n]\n"; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="/Resources<</ProcSet[/PDF/Text]/Font<</F0 5 0 R>> >>\n"; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="/MediaBox [ 0 0 "+ pageWidth + " " + pageDepth + " ]\n>>\nendobj\n"; ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="5 0 obj\n<</Type/Font/Subtype/Type1/BaseFont/Courier/Encoding/WinAnsiEncoding>>\nendobj\n"; ConvertToByteAndAddtoStream(strPDFMessage); xRefs.Add(mPDF.Length); strPDFMessage="6 0 obj\n<</Type/Catalog/Pages 4 0 R>>\nendobj\n"; ConvertToByteAndAddtoStream(strPDFMessage); streamStart=mPDF.Length; strPDFMessage="xref\n0 7\n0000000000 65535 f \n"; for(int i=0;i<xRefs.Count;i++) { strPDFMessage+=xRefFormatting((long) xRefs[i])+" 00000 n \n"; } ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="trailer\n<<\n/Size "+ (xRefs.Count+1)+"\n/Root 6 0 R\n>>\n"; ConvertToByteAndAddtoStream(strPDFMessage); strPDFMessage="startxref\n" + streamStart+"\n%%EOF\n"; ConvertToByteAndAddtoStream(strPDFMessage); mPDF.WriteTo(pPDF.BaseStream); mPDF.Close(); pPDF.Close(); } }
#endregion
#region Up Load Fille public static string UpFile(System.Web.UI.HtmlControls.HtmlInputFile infile, string savefilepath, string savefilename, string choose) { string filename = infile.PostedFile.FileName; if (infile.PostedFile!=null && infile.Value != "" ) { int i; switch (choose) { case ".": i = filename.LastIndexOf("."); savefilename += filename.Substring(i); break; default: i = filename.LastIndexOf("/"); if (i <= 0) i = filename.LastIndexOf("\\"); savefilename += choose + filename.Substring(i + 1); break; } if (savefilepath.EndsWith("/") || savefilepath.EndsWith("\\")) filename = savefilepath + savefilename; else filename = savefilepath + "/" + savefilename; savefilepath = System.Web.HttpContext.Current.Server.MapPath(filename); infile.PostedFile.SaveAs(savefilepath); return filename; } else { return null; } } #endregion } }

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