private DBBean db;
public boolean insert(wenzhangBean wb)
{
db=DBBean.getInstance();
ResultSet rs = null;

  
String sql="insert into wenzhang5 values('"+wb.getId()+"','"+wb.getTitle()+"','"+wb.getName()+"','"+wb.getJibie()+"','"+wb.getTimes()+"',EMPTY_BLOB())";
    String sql1="select content from wenzhang5 where id='"+wb.getId()+"' for update";
boolean b=false;
    try {
b=db.execute(sql);
rs=db.getResults(sql1);

while(rs.next())
{

BLOB b1 = (BLOB)rs.getBlob("content"); 
File file = new File("E://xieru.txt");
file.createNewFile();

FileInputStream fin = new FileInputStream(file);
 System.out.println("eeeeeeeeeeeeeeeeeeeee"+fin.toString()+"eeeeeeeeeeeeeeeeeeeeee"); 
System.out.print("aaaaaaaaaaaaaaaaaa"+wb.getContent()+"aaaaaaaaaaaaaaaaaa");
OutputStream out = b1.setBinaryStream(0); 
byte[] data = new byte[b1.getBufferSize()]; 
int count = -1, total = 0;
   while ((count = fin.read(data)) != -1) {   
                total += count;   
                out.write(data, 0, count);   
            }  
            String updateBin = "update wenzhang5 set content='"+b1+"' where id='"+wb.getId()+"'";
           b= db.execute(updateBin);
      
  
           fin.close();   
           out.close(); 

}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally
{
 
db.closeAll();
}

return b;
}