锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#49;&#48;&#50;&#52;&#31934;&#21697;&#19968;&#21306;&#20108;&#21306;&#19977;&#21306;&#44;&#27745;&#27745;&#30340;&#32593;&#31449;&#22312;&#32447;&#35266;&#30475;&#44;&#20122;&#27954;&#22312;&#32447;&#25773;&#25918;</title><link>http://www.aygfsteel.com/liuyxit/category/48876.html</link><description>鍏變韓閰搞�佺敎銆佽嫤銆佽荊</description><language>zh-cn</language><lastBuildDate>Wed, 24 Aug 2011 09:08:32 GMT</lastBuildDate><pubDate>Wed, 24 Aug 2011 09:08:32 GMT</pubDate><ttl>60</ttl><item><title>Eclipse甯哥敤鎻掍歡瀹夎鍦板潃</title><link>http://www.aygfsteel.com/liuyxit/archive/2011/08/16/356621.html</link><dc:creator>涓夊垁嫻併伄閫嗛</dc:creator><author>涓夊垁嫻併伄閫嗛</author><pubDate>Tue, 16 Aug 2011 04:16:00 GMT</pubDate><guid>http://www.aygfsteel.com/liuyxit/archive/2011/08/16/356621.html</guid><wfw:comment>http://www.aygfsteel.com/liuyxit/comments/356621.html</wfw:comment><comments>http://www.aygfsteel.com/liuyxit/archive/2011/08/16/356621.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/liuyxit/comments/commentRss/356621.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/liuyxit/services/trackbacks/356621.html</trackback:ping><description><![CDATA[Eclipse甯哥敤鎻掍歡瀹夎鍦板潃
http://subclipse.tigris.org/update_1.6.x/
http://propedit.sourceforge.jp/eclipse/updates/
http://flexformatter.googlecode.com/svn/trunk/FlexFormatter/FlexPrettyPrintCommandUpdateSite
<img src ="http://www.aygfsteel.com/liuyxit/aggbug/356621.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/liuyxit/" target="_blank">涓夊垁嫻併伄閫嗛</a> 2011-08-16 12:16 <a href="http://www.aygfsteel.com/liuyxit/archive/2011/08/16/356621.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>mysql,sqlserver,oracle涓夌鏁版嵁搴撶殑澶у璞″瓨鍙?/title><link>http://www.aygfsteel.com/liuyxit/archive/2011/06/19/352605.html</link><dc:creator>涓夊垁嫻併伄閫嗛</dc:creator><author>涓夊垁嫻併伄閫嗛</author><pubDate>Sat, 18 Jun 2011 18:02:00 GMT</pubDate><guid>http://www.aygfsteel.com/liuyxit/archive/2011/06/19/352605.html</guid><wfw:comment>http://www.aygfsteel.com/liuyxit/comments/352605.html</wfw:comment><comments>http://www.aygfsteel.com/liuyxit/archive/2011/06/19/352605.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/liuyxit/comments/commentRss/352605.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/liuyxit/services/trackbacks/352605.html</trackback:ping><description><![CDATA[mysql 澶у璞″瓨鍙?
綾誨瀷涓�鑸簲璇ョ敤mediumblod,
blob鍙兘瀛?鐨?6嬈℃柟涓猙yte,
mediumblod鏄?4嬈℃柟,
涓�鑸潵璇村鐢ㄤ簡.longblob鏄?2嬈℃柟鏈変簺澶?

MYSQL榛樿閰嶇疆鍙兘瀛?M澶у皬鐨勬枃浠?瑕佷慨鏀歸厤緗?WIN鐗堟湰鐨勫湪mysql.ini鏂囦歡涓?
淇敼max_allowed_packet,net_buffer_length絳夊嚑涓弬鏁?鎴栫洿鎺ET GLOBAL varName=value.
linux鐗堟湰鍙互鍦ㄥ惎鍔ㄥ弬鏁板悗鍔?max_allowed_packet=xxM絳夊嚑涓弬鏁?

MYSQL瀛樺ぇ瀵硅薄鏈�濂界洿鎺ュ氨setBinaryStream,鍙堝揩鍙堟柟渚?
鑰屼笉瑕佸厛鎻掑叆絀哄啀閫犲瀷鎴怋LOB鐒跺悗鍐峴etBlob

渚嬪瓙:
import java.sql.*;
import java.io.*;
public class DBTest {

  
   static String driver = "org.gjt.mm.mysql.Driver";
   static String url = "jdbc:mysql://localhost:3306/test";
   static String user = "root";
   static String passwd = "passwd";
   public static void main(String[] args) throws Exception {
     Connection conn = null;
     try {
       Class.forName(driver);
       conn = DriverManager.getConnection(url,user,passwd);
      
       int op = 1;
       //鎻掑叆
       if (op == 0) {
         PreparedStatement ps = conn.prepareStatement("insert into tb_file values (?,?)");
         ps.setString(1, "aaa.exe");
         InputStream in = new FileInputStream("d:/aaa.exe");
         ps.setBinaryStream(2,in,in.available());
         ps.executeUpdate();
         ps.close();
       }
       else {
         //鍙栧嚭
         PreparedStatement ps = conn.prepareStatement("select * from   tb_file where filename = ?");
         ps.setString(1, "aaa.exe");
         ResultSet rs = ps.executeQuery();
         rs.next();
         InputStream in = rs.getBinaryStream("filecontent");
         System.out.println(in.available());
         FileOutputStream out = new FileOutputStream("d:/bbb.exe");
         byte[] b = new byte[1024];
         int len = 0;
         while ( (len = in.read(b)) != -1) {
           out.write(b, 0, len);
           out.flush();
         }
         out.close();
         in.close();
         rs.close();
         ps.close();
       }
     }
     catch (Exception ex) {
       ex.printStackTrace(System.out);
     }
     finally {
       try {conn.close();}
       catch (Exception ex) { }
     }
   }
}


sqlserver 澶у璞″瓨鍙栨病鏈変粈涔堝璇寸殑,鍙鏄痠mage綾誨瀷灝辮浜?娉ㄦ剰榪欐槸column綾誨瀷,鏈変漢浠ヤ負瀹冨彧鑳藉瓨
鍥捐薄.image鏄枃浠墮暅璞＄殑鎰忔�?
import java.sql.*;
import java.io.*;
public class DBTest {


   static String driver = "com.microsoft.jdbc.sqlserver.SQLServerDriver";
   static String url = "jdbc:microsoft:sqlserver://192.168.0.202:9999999999;DatabaseName=dddd";
   static String user = "sa";
   static String passwd = "ps";
   public static void main(String[] args) throws Exception {
     Connection conn = null;
     try {
       Class.forName(driver);
       conn = DriverManager.getConnection(url,user,passwd);
       int op = 0;
       //鎻掑叆
       if (op == 0) {
         PreparedStatement ps = conn.prepareStatement("insert into tb_file values (?,?)");
         ps.setString(1, "aaa.exe");
         InputStream in = new FileInputStream("d:/aaa.exe");
         ps.setBinaryStream(2,in,in.available());
         ps.executeUpdate();
         ps.close();
       }
       else {
         //鍙栧嚭
         PreparedStatement ps = conn.prepareStatement("select * from   tb_file where filename = ?");
         ps.setString(1, "aaa.exe");
         ResultSet rs = ps.executeQuery();
         rs.next();
         InputStream in = rs.getBinaryStream("filecontent");
         System.out.println(in.available());
         FileOutputStream out = new FileOutputStream("d:/bbb.exe");
         byte[] b = new byte[1024];
         int len = 0;
         while ( (len = in.read(b)) != -1) {
           out.write(b, 0, len);
           out.flush();
         }
         out.close();
         in.close();
         rs.close();
         ps.close();
       }
     }
     catch (Exception ex) {
       ex.printStackTrace(System.out);
     }
     finally {
       try {conn.close();}
       catch (Exception ex) { }
     }
   }
}



ORACLE鐨勫ぇ瀵硅薄瀛樺偍鏈変簺鍙樻�?瑕佹棤璁烘槸Blob,榪樻槸CLOB閮借姹傚厛鎻掑叆涓�涓┖鍊?鐒跺悗
鏌ヨ騫墮攣瀹氳繖涓�鏉¤褰?鑾峰彇瀵筁ob鐨勫紩鐢ㄥ啀榪涜濉厖,緗戜笂鏈夊お澶氱殑渚嬪瓙.鎴戜釜浜鴻涓?
榪欑鏂規硶鍨冨溇寰楄繛鍐欓兘涓嶆兂鍐欎簡,浣犲彲浠ヨ嚜宸卞幓鎼滅儲涓�涓?
榪欑鐗瑰埆鐨勬搷浣滄棦澧炲姞鎿嶄綔鐨勫鏉傚害,鍙堣繚鍙嶄簡JDBC鎺ュ彛鐨勮鑼?鎵�浠ユ垜鏋佸姏鍙嶅榪欐牱
浣跨敤,濡傛灉浣犲拰鎴戞湁鍚屾牱鐨勮鐐?閭ｄ箞鎴戞彁渚涘彟涓�縐嶉�氱敤鐨勬柟娉?灝辨槸浣犱笉鐢↙OB鑰岀敤
oracle鐨凩ONG RAW鏉ヤ唬鏇垮畠浠?榪欐牱灝卞彲浠ヨ薄鍏跺畠瀵硅薄涓�鏍鋒搷浣滀簡:

create table tb_file(filename varchar2(255),filecontent LONG RAW);


import java.sql.*;
import java.io.*;

public class BlobTest {

   static String driver = "oracle.jdbc.driver.OracleDriver";
   static String url = "jdbc:oracle:thin:@localhost:1521:test";
   static String user = "system";
   static String passwd = "passwd";
   public static void main(String[] args) throws Exception {
     Connection conn = null;
     try {
       Class.forName(driver);
       conn = DriverManager.getConnection(url, user, passwd);
       int op = 1;
       //鎻掑叆
       if (op == 0) {
         PreparedStatement ps = conn.prepareStatement("insert into tb_file values (?,?)");
         ps.setString(1, "aaa.exe");
         InputStream in = new FileInputStream("d:/aaa.exe");
         ps.setBinaryStream(2,in,in.available());
         ps.executeUpdate();
         ps.close();
       }
       else {
         //鍙栧嚭
         PreparedStatement ps = conn.prepareStatement("select * from   tb_file where filename = ?");
         ps.setString(1, "aaa.exe");
         ResultSet rs = ps.executeQuery();
         rs.next();
         InputStream in = rs.getBinaryStream("filecontent");
         System.out.println(in.available());
         FileOutputStream out = new FileOutputStream("d:/bbb.exe");
         byte[] b = new byte[1024];
         int len = 0;
         while ( (len = in.read(b)) != -1) {
           out.write(b, 0, len);
           out.flush();
         }
         out.close();
         in.close();
         rs.close();
         ps.close();
       }
     }
     catch (Exception ex) {
       ex.printStackTrace(System.out);
     }
     finally {
       try {
         conn.close();
       }
       catch (Exception ex) {}
     }
   }
}
杞嚜錛歨ttp://dev.csdn.net/author/axman/1ca2ede425e44dba9ac20c2e262e4fb8.html
 <img src ="http://www.aygfsteel.com/liuyxit/aggbug/352605.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/liuyxit/" target="_blank">涓夊垁嫻併伄閫嗛</a> 2011-06-19 02:02 <a href="http://www.aygfsteel.com/liuyxit/archive/2011/06/19/352605.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>[杞琞inputStream涓巄yte[]浜掕漿銆?/title><link>http://www.aygfsteel.com/liuyxit/archive/2011/06/19/inputStream_byte.html</link><dc:creator>涓夊垁嫻併伄閫嗛</dc:creator><author>涓夊垁嫻併伄閫嗛</author><pubDate>Sat, 18 Jun 2011 18:01:00 GMT</pubDate><guid>http://www.aygfsteel.com/liuyxit/archive/2011/06/19/inputStream_byte.html</guid><wfw:comment>http://www.aygfsteel.com/liuyxit/comments/352604.html</wfw:comment><comments>http://www.aygfsteel.com/liuyxit/archive/2011/06/19/inputStream_byte.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/liuyxit/comments/commentRss/352604.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/liuyxit/services/trackbacks/352604.html</trackback:ping><description><![CDATA[import   java.io.ByteArrayOutputStream; 
import   java.io.File; 
import   java.io.FileInputStream; 
import   java.io.FileNotFoundException; 
import   java.io.FileOutputStream; 
import   java.io.IOException; 
import   java.io.InputStream; 
import   java.io.OutputStream; 

public   class   FileByteUtil   { 
public   static   void   main(String[]   args)   throws   Exception   { 
File   file=new   File( "f:/test.doc "); 
byte[]   fileByte   =   file2byte(file); 
byte2file(fileByte,   "f:/test2.doc "); 
} 

public   static   byte[]   file2byte(File   f)   throws   Exception   { 
  return   file2byte(f.getPath()); 
} 

public   static   byte[]   file2byte(String   f)   throws   Exception   { 
try   { 
InputStream   in   =   new   FileInputStream(f); 
byte[]   tmp   =   new   byte[512]; 
ByteArrayOutputStream   out   =   new   ByteArrayOutputStream(); 
int   bytesRead   =   in.read(tmp); 
while   (bytesRead   !=   -1)   { 
out.write(tmp,   0,   bytesRead); 
bytesRead   =   in.read(tmp); 
} 
return   out.toByteArray(); 
}   catch   (Exception   e)   { 
e.printStackTrace(); 
} 
return   null; 
} 

//   writes   byte   []   to   a   file 
public   static   void   byte2file(byte[]   data,   String   fn)   throws   Exception   { 
try   { 
OutputStream   out   =   new   FileOutputStream(fn); 
out.write(data); 
out.flush(); 
}   catch   (FileNotFoundException   e)   { 
throw   e; 
}   catch   (IOException   e)   { 
throw   e; 
} 
} 

}<img src ="http://www.aygfsteel.com/liuyxit/aggbug/352604.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/liuyxit/" target="_blank">涓夊垁嫻併伄閫嗛</a> 2011-06-19 02:01 <a href="http://www.aygfsteel.com/liuyxit/archive/2011/06/19/inputStream_byte.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                            <footer>
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