325 lines
11 KiB
C#
325 lines
11 KiB
C#
using System;
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using System.Data;
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using System.Configuration;
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using System.Collections;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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using System.IO;
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using WeiSha.Common;
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using Song.ServiceInterfaces;
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using Song.Entities;
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//using NBear.Data;
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using System.Data.SqlClient;
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namespace Song.Site.Manage.Sys
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{
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public partial class DataBaseBackup : Extend.CustomPage
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{
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//数据库完整物理物路径
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private string dataBaseHy = "";
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//数据库备份目录
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private string backDir = "";
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//数据库备份文件后缀名
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private string backExt = ".bak";
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//数据库类型，仅限access与sqlserver；
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private string dbType = "access";
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//要操作的数据库名称。
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private string dbName = "";
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protected void Page_Load(object sender, EventArgs e)
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{
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//数据库类型
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dbType = WeiSha.Common.Server.DatabaseType;
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if (dbType == "access")
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{
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backDir = "accBackup";
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dataBaseHy = WeiSha.Common.Server.DatabaseFilePath;
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}
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else if (dbType == "sqlServer")
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{
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backDir = "sqlSBackup";
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backExt = ".sasp";
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ConnectionStringSettings connsett = ConfigurationManager.ConnectionStrings[ConfigurationManager.ConnectionStrings.Count - 1];
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string str = connsett.ConnectionString;
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int a = str.IndexOf("Initial Catalog=");
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a = a == -1 ? str.IndexOf("DataBase=") + 9 : a + 16;
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string strjie = str.Substring(a);
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dbName = str.Substring(a, strjie.IndexOf(";"));
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}
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else
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{
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Message.Prompt("此功能仅限Access版和SQL Server版。");
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return;
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}
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//获取参数
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getDataBase();
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if (!IsPostBack)
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{
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//绑定数据
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BindData();
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}
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//this.Response.Write(dataBaseHy);
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}
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/// <summary>
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/// 获取数据库的地址；
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/// </summary>
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private void getDataBase()
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{
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try
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{
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string backPath = Server.MapPath("~/App_Data/")+backDir;
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//备份目录
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DirectoryInfo di = new DirectoryInfo(backPath);
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if (!di.Exists)
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{
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//如果该目录不存在，则创建
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di.Create();
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}
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backDir = di.FullName;
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}
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catch (Exception ex)
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{
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Message.ExceptionShow(ex);
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}
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}
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/// <summary>
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/// 绑定列表
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/// </summary>
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private void BindData()
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{
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try
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{
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//备份目录
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DirectoryInfo di = new DirectoryInfo(this.backDir);
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DataTable dt = new DataTable("DataBase");
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DataColumn dc;
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//文件名
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dc = new DataColumn("file", Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//路径名
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dc = new DataColumn("path", Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//创建时间
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dc = new DataColumn("time", Type.GetType("System.DateTime"));
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dt.Columns.Add(dc);
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//文件大小
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dc = new DataColumn("size", Type.GetType("System.Int32"));
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dt.Columns.Add(dc);
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//路径名
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dc = new DataColumn("type", Type.GetType("System.String"));
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dt.Columns.Add(dc);
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//备份目录下的所有文件
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FileInfo[] fi = di.GetFiles();
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foreach (FileInfo file in fi)
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{
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if (file.Extension != backExt && file.Extension.ToLower() != ".master")
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{
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continue;
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}
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DataRow dr = dt.NewRow();
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dr["file"] = file.Name.Substring(0, file.Name.LastIndexOf('.'));
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dr["path"] = file.FullName;
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dr["time"] = file.CreationTime;
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dr["size"] = file.Length / 1024;
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dr["type"] = file.Extension.ToLower() == ".backup" ? "系统" : "";
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dt.Rows.Add(dr);
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}
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DataView dv = dt.DefaultView;
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dv.Sort = "time desc";
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GridView1.DataSource = dv;
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GridView1.DataKeyNames = new string[] { "path" };
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GridView1.DataBind();
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}
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catch (Exception ex)
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{
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Message.ExceptionShow(ex);
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}
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}
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/// <summary>
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/// 增加备份
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void AddEvent(object sender, EventArgs e)
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{
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string backName = DateTime.Now.ToString("yyyy-MM-dd HH-mm-ss");
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if (dbType == "access")
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{
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try
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{
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FileInfo fi = new FileInfo(dataBaseHy);
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fi.CopyTo(backDir + "\\" + backName + "" + backExt, true);
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BindData();
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}
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catch (Exception ex)
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{
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Message.ExceptionShow(ex);
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}
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}
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else if (dbType == "sqlServer")
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{
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sqlServerBackup(dbName, backDir+"\\"+backName+backExt);
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BindData();
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}
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}
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/// <summary>
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/// 删除
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void DeleteEvent(object sender, EventArgs e)
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{
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try
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{
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string keys = GridView1.GetKeyValues;
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foreach (string file in keys.Split(','))
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{
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FileInfo fi = new FileInfo(file);
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if (fi.Exists)
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{
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if (fi.Extension.ToLower() != ".backup")
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fi.Delete();
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}
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}
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BindData();
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}
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catch (Exception ex)
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{
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Message.ExceptionShow(ex);
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}
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}
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/// <summary>
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/// 单个删除
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void btnDel_Click(object sender, ImageClickEventArgs e)
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{
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try
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{
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WeiSha.WebControl.RowDelete img = (WeiSha.WebControl.RowDelete)sender;
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int index = ((GridViewRow)(img.Parent.Parent)).RowIndex;
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string file = this.GridView1.DataKeys[index].Value.ToString();
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FileInfo fi = new FileInfo(file);
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if (fi.Exists)
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{
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if (fi.Extension.ToLower() != ".backup")
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fi.Delete();
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}
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BindData();
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}
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catch (Exception ex)
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{
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Message.ExceptionShow(ex);
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}
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}
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/// <summary>
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/// 还原数据库，按钮栏的事件
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void RecoverEvent(object sender, EventArgs e)
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{
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try
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{
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string keys = GridView1.GetKeyValues;
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foreach (string file in keys.Split(','))
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{
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FileInfo backDbase = new FileInfo(file);
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if (dbType == "access")
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backDbase.CopyTo(dataBaseHy, true);
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else if (dbType == "sqlServer")
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sqlServerRestore(dbName, backDbase.FullName);
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}
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}
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catch (Exception ex)
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{
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Message.ExceptionShow(ex);
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}
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}
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/// <summary>
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/// 还原数据库，数据行的事件
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void btnRecover_Click(object sender, ImageClickEventArgs e)
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{
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try
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{
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GridViewRow gr = (GridViewRow)((WeiSha.WebControl.RowRecover)sender).Parent.Parent;
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//备份文件
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string backfile = GridView1.DataKeys[gr.RowIndex].Value.ToString();
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FileInfo backDbase = new FileInfo(backfile);
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if(dbType == "access")
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backDbase.CopyTo(dataBaseHy, true);
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else if (dbType == "sqlServer")
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{
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sqlServerRestore(dbName, backDbase.FullName);
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}
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new Extend.Scripts(this).Alert("还原成功！");
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}
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catch (Exception ex)
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{
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new Extend.Scripts(this).Alert(ex.Message);
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}
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}
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/// <summary>
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/// SQL Server数据库的备份。
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/// </summary>
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/// <param name="dbName">数据库名称</param>
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/// <param name="fileName">要备份的位置(绝对路径)</param>
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public void sqlServerBackup(string dbName, string fileName)
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{
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//拼接SQL语句。
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string sql = "backup database " + dbName + " to disk='" + fileName + "' WITH FORMAT";
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//Gateway.Default.fr.FromCustomSql(sql);
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zhixingSql(sql);
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}
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/// <summary>
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/// SQL Server数据库的恢复，生成SQL语句到函数中执行。
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/// </summary>
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/// <param name="baseName">数据库名称</param>
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/// <param name="fileName">要还原的备份文件的位置(绝对路径带文件名称和扩展名)</param>
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public void sqlServerRestore(string baseName, string fileName)
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{
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string sql = "use master " +
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"declare @sql varchar(100) while 1=1 begin select top 1 @sql='kill '+cast(spid as varchar(3)) from master..sysprocesses where spid>50 and spid<>@@spid and dbid=db_id('" + baseName + "') " +
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"if @@rowcount=0 break exec(@sql) end RESTORE DATABASE " + baseName + " FROM disk = '" + fileName + "' WITH REPLACE";
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zhixingSql(sql);
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}
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/// <summary>
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/// 执行生成的SQL语句。
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/// </summary>
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/// <param name="sql">要执行的SQL语句</param>
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public void zhixingSql(string sql)
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{
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try
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{
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//执行SQL语句。
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ConnectionStringSettings connsett = ConfigurationManager.ConnectionStrings[ConfigurationManager.ConnectionStrings.Count - 1];
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string ConnectString = connsett.ConnectionString;
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SqlConnection connection = new SqlConnection(ConnectString);
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SqlCommand command = new SqlCommand(sql, connection);
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connection.Open();
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command.ExecuteNonQuery();
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connection.Close();
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}
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catch (Exception ex)
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{
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new Extend.Scripts(this).Alert(ex.Message);
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}
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}
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}
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}
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