Ext sqlserver C# 数据库备份还原代码,给大家参考下
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2022-03-25 16:17:26
<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage" %>
<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Login11</title>
<script src="../../ext/ext-all.js" type="text/javascript">
</script>
<link href="../../ext/resources/css/ext-all.css" rel="stylesheet" type="text/css" />
<script src="../../ext/locale/ext-lang-zh_CN.js" type="text/javascript">
</script>
<script type="text/javascript">
Ext.onReady(function () {
Ext.tip.QuickTipManager.init();
var myMask = new Ext.LoadMask(Ext.getBody(), {
id: 'mask',
msg: "配置操作中,请稍等..."
});
var mystore = Ext.create('Ext.data.Store', {
fields: ['Name', 'CreationTime', 'Length', 'FullName'],
autoLoad: true,
pageSize: 10,
proxy: {
type: 'ajax',
url: '/AdLogin/filedata',
reader: {
type: 'json',
root: 'd'
}
}
});
Ext.delfile = function (file) {
myMask.show();
Ext.Ajax.request({
url: '/AdLogin/deleFile?file=' + file,
async: true,
success: function (response, opts) {
myMask.hide();
var obj = Ext.decode(response.responseText);
Ext.Msg.alert("提醒", "删除成功");
mystore.load();
},
failure: function (response, opts) {
}
});
}
Ext.restore = function (file) {
myMask.show();
Ext.Ajax.request({
url: '/AdLogin/reStore?file=' + file,
async: true,
success: function (response, opts) {
myMask.hide();
var obj = Ext.decode(response.responseText);
Ext.Msg.alert("提醒", "还原成功");
},
failure: function (response, opts) {
}
});
}
function bfstore() {
myMask.show();
Ext.Ajax.request({
url: '/AdLogin/bfStore',
async: true,
success: function (response, opts) {
myMask.hide();
Ext.Msg.alert("提醒", "备份成功");
mystore.load();
},
failure: function (response, opts) {
}
});
}
var bfButton = Ext.create("Ext.Button", {
text: '备份数据库',
handler: function () {
bfstore();
}
});
var mygrid = Ext.create('Ext.grid.Panel', {
title: '数据库管理',
layout: 'fit',
dockedItems: [{
xtype: 'toolbar',
dock: 'top',
items: [bfButton]
}],
store: mystore,
bbar: Ext.create('Ext.toolbar.Paging', {
store: mystore,
dock: 'bottom',
displayInfo: true
}),
columns: [{
header: '操作',
width: 180,
dataIndex: 'Name',
renderer: function (value) {
return ' <a href="#" onclick="Ext.delfile(\'' + value + '\')">删除备份</a> <a href="#" onclick="Ext.restore(\'' + value + '\')">还原数据库</a>';
}
}, {
header: '文件名称',
dataIndex: 'Name',
width: 200
},
{
header: '创建日期',
dataIndex: 'CreationTime',
width: 200,
renderer: function (value) {
var dt = new Date(parseInt(value.replace("/Date(", "").replace(")/", ""), 10));
return Ext.Date.format(dt, 'Y-m-d h:m:s');
}
},
{
header: '备份大小',
width: 200,
dataIndex: 'Length',
renderer: function (value) {
return (value / 1024/1024).toFixed(2)+"MB";
}
},
{
header: '文件路径',
width: 400,
dataIndex: 'FullName'
}]
});
Ext.create('Ext.container.Viewport',
{
layout: 'fit',
items: [mygrid]
});
});
</script>
</head>
<body>
<div>
</div>
</body>
</html>
public ActionResult filedata()
{
string path = Server.MapPath("/backdata/");
DirectoryInfo di = new DirectoryInfo(path);
FileInfo[] list = di.GetFiles();
List<FileInfo> list1 = new List<FileInfo>();
for (int i = 0; i < list.Length; i++)
{
list1.Add(list[i]);
}
JavaScriptSerializer serializer = new JavaScriptSerializer();
int start = Convert.ToInt32(Request.QueryString["start"]);
int limit = Convert.ToInt32(Request.QueryString["limit"]);
int allcount = list1.Count();
list1 = list1.Select(d => d).OrderByDescending(d => d.CreationTime).Skip(start).Take(limit).ToList();
return Content("{\"total\": " + allcount + ", d: " + serializer.Serialize(list1.Select(t => new {t.CreationTime,t.Name,t.FullName,t.Length })) + " }");
}
public ActionResult deleFile()
{
string file = Request.QueryString["file"];
string path = Server.MapPath("/backdata/") + file;
if (System.IO.File.Exists(path))
{
System.IO.File.Delete(path);
}
return Content("{success:true}");
}
string database = "haoyhb";
public ActionResult reStore()
{
string file = Request.QueryString["file"];
string path = Server.MapPath("/backdata/") + file;
System.IO.FileInfo fileInfo = new System.IO.FileInfo(path);
DbHelperSQL.RestoreDatabase(fileInfo.FullName, database);
return Content("{success:true}");
}
public ActionResult bfStore() {
DbHelperSQL.BackUpDataBase(Server.MapPath("/backdata/") + DateTime.Now.ToString("yyyyMMddHHmmss") + ".bak", database);
return Content("{success:true}");
}
public static bool BackUpDataBase(string databasefile, string database)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
if (File.Exists(databasefile))
{
File.Delete(databasefile);
}
//还原的数据库MyDataBase
string sql = "BACKUP DATABASE " + database + " TO DISK = '" + databasefile + "' ";
conn.Open();
SqlCommand comm = new SqlCommand(sql, conn);
comm.CommandType = CommandType.Text;
try
{
comm.ExecuteNonQuery();
}
catch (Exception err)
{
string str = err.Message;
conn.Close();
return false;
}
conn.Close();//关闭数据库连接
return true;
}
}
//以下是还原数据库,稍微麻烦些,要关闭所有与当前数据库相连的连接------------------------------------
//--------------------------------------------------------------------------------------------------------------------------
public static string RestoreDatabase(string backfile, string database)
{
///杀死原来所有的数据库连接进程
SqlConnection conn = new SqlConnection();
conn.ConnectionString = "Data Source=.;Initial Catalog=master;User ID=sa;pwd =sa";
conn.Open();
string sql = "SELECT spid FROM sysprocesses ,sysdatabases WHERE sysprocesses.dbid=sysdatabases.dbid AND sysdatabases.Name='" + database + "'";
SqlCommand cmd1 = new SqlCommand(sql, conn);
SqlDataReader dr;
ArrayList list = new ArrayList();
try
{
dr = cmd1.ExecuteReader();
while (dr.Read())
{
list.Add(dr.GetInt16(0));
}
dr.Close();
}
catch (SqlException eee)
{
//MessageBox.Show(eee.ToString());
return "还原失败";
}
finally
{
conn.Close();
}
//MessageBox.Show(list.Count.ToString());
for (int i = 0; i < list.Count; i++)
{
conn.Open();
cmd1 = new SqlCommand(string.Format("KILL {0}", list[i].ToString()), conn);
cmd1.ExecuteNonQuery();
conn.Close();
// MessageBox.Show("系统已经清除的数据库线程: " + list[i].ToString() + "\r\n正在还原数据库!");
}
//这里一定要是master数据库,而不能是要还原的数据库,因为这样便变成了有其它进程
//占用了数据库。
string constr = @"Data Source=.;Initial Catalog=master;User ID=sa;pwd =sa";
string path = backfile;
string BACKUP = String.Format("RESTORE DATABASE {0} FROM DISK = '{1}' WITH REPLACE", database, path);
SqlConnection con = new SqlConnection(constr);
SqlCommand cmd = new SqlCommand(BACKUP, con);
con.Open();
try
{
cmd.ExecuteNonQuery();
}
catch (SqlException ee)
{
//throw(ee);
return "还原失败";
//MessageBox.Show("还原失败");
}
finally
{
con.Close();
}
return "还原成功";
}
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