ms sql数据库备份如何下载

可以使用FTP登录到虚拟主机的磁盘上然后下载

当然啦,在此前,你要知道,你的文件是备份到了什么位置

(备注:通常会起一个文件夹名为BAK的,然后在里面存放备份文件)

/

Created by IntelliJ IDEA

User: ljt

Date: 2003-3-31

Time: 18:51:38

To change this template use Options | File Templates

/

import oraclejdbcdriverOraclePreparedStatement;

import oraclejdbcdriverOracleResultSet;

import javasqlConnection;

import javasqlDriverManager;

import javasqlStatement;

import javasqlClob;

public class TestOpenDoc {

public OracleResultSet ors = null; //这里rs一定要用Oracle提供的

public OraclePreparedStatement opst = null; //PreparedStatement用

public Connection conn = null;

public Statement stmt = null;

public TestOpenDoc() {

}

public boolean getConnect() {

//这是我的数据库所在

String serverName = "prosrv";

try {

ClassforName("oraclejdbcdriverOracleDriver");

String url = "jdbc:oracle:thin:@" + serverName + ":1521:BOHDATA";

conn = DriverManagergetConnection(url, "appuser", "appuser");

}

catch (Exception e) {

Systemoutprintln(e);

return false;

}

return true;

}

public static void main(String[] args) {

TestOpenDoc test = new TestOpenDoc();

if (!testgetConnect()) {

Systemoutprintln("数据库连结错误");

return ;

}

try{

testconnsetAutoCommit(false);

byte a[] = null; //将测试文件testdoc读入此字节数组

javaioFileInputStream fin = null;

javaioFileOutputStream fout = null;

//Oracle提供的

try {

javaioFile f1 = new javaioFile("c:/testdoc");

javaioFile f2 = new javaioFile("d:/testoutdoc"); //从BLOB读出的信息写

//入该文 件，和源文件对比测试用

fin = new javaioFileInputStream(f1);

fout = new javaioFileOutputStream(f2);

int flength = (int) f1length(); //读入文件的字节长度

Systemoutprintln("file length::" + flength);

a = new byte[flength];

int i = 0;

int itotal = 0;

// 将文件读入字节数组

for (; itotal < flength; itotal = i + itotal) {

i = finread(a, itotal, flength - itotal);

}

finclose();

Systemoutprintln("read itotal::" + itotal);

//注意Oracle的 BLOB一定要用EMPTY_BLOB()初始化

String mysql =

"insert into filelist (FileName,FileSize,FileBody) values (,,EMPTY_BLOB())";

OraclePreparedStatement opst = (OraclePreparedStatement) testconn

prepareStatement(mysql);

opstsetString(1, "wordtemplate2");

opstsetInt(2, flength);

opstexecuteUpdate();

opstclearParameters();

// /插入其它数据后，定位BLOB字段

mysql = "select filebody from filelist where filename=";

opst = (OraclePreparedStatement) testconnprepareStatement(mysql);

opstsetString(1, "wordtemplate2");

OracleResultSet ors = (OracleResultSet) opstexecuteQuery();

if (orsnext()) {

oraclesqlBLOB blob = orsgetBLOB(1); //得到BLOB字段

int j = blobputBytes(1, a); //将字节数组写入BLOB字段

Systemoutprintln("j:" + j);

testconncommit();

orsclose();

Clob clob;

clob = orsgetClob("");

String str;

str = clobtoString();

str = clobgetSubString(0L,(int)cloblength());

Systemoutprintln(str);

}

Systemoutprintln("insert into ok");

byte b[] = null; //保存从BLOB读出的字节

opstclearParameters();

mysql = "select filebody from filelist where filename=";

opst = (OraclePreparedStatement) testconn

prepareStatement(mysql);

opstsetString(1, "wordtemplate2");

ors = (OracleResultSet) opstexecuteQuery();

if (orsnext()) {

oraclesqlBLOB blob2 = orsgetBLOB(1);

Systemoutprintln("blob2 length:" + blob2length());

b = blob2getBytes(1, flength); //从BLOB取出字节流数据

Systemoutprintln("b length::" + blength);

testconncommit();

}

orsclose();

// 将从BLOB读出的字节写入文件

foutwrite(b, 0, blength);

foutclose();

Systemoutprintln("write itotal::" + blength);

}

catch (Exception e) {

Systemoutprintln("errror :" + etoString());

eprintStackTrace();

}

finally { //关闭所有数据联接

testconncommit();

}

}

catch(Exception e){

Systemoutprintln(e);

}

}

}

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