如何将图片和文字存入oracle  数据库,并且显示
一个文本编辑器,图片可能是互联网上的,也有可能是本地计算机的,如何将其存到oracle数据库,存入后如何显示,文本和图片同时存入。
------解决方案--------------------文件大的话就存路径,文件小的话可先转换成二进制再存
------解决方案--------------------类型为:Blob,clob
------解决方案--------------------(1)向  blob 字段写入值 
                           String medpk = dao.getElementPK(cn, vo); 
                             evo.setEle_elementId(medpk); 
                             evo.setEle_contentid(conpk); 
                             evo.setEle_type( "23 "); 
                             dao.addElementRelation(cn, evo); 
                             evo.setMmsnews_elementID(medpk);  
                    //Connection conn=JdbcConnectionPool.getConnection(); 
                             try {    
                               String sql = 
  "insert into OM_CM_MMSNEWS (elementid,title,content) values(?,?,empty_blob()) ";                                                 //1.blob字段插入空值 
                                 PreparedStatement ps = cn.prepareStatement(sql); 
                                  ps.setString(1, evo.getEle_elementId()); 
                                 ps.setString(2, evo.getMmsnews_title()); 
                                 ps.execute(); 
                                 sql = 
    "select content from OM_CM_MMSNEWS where elementid= " + medpk +  " for update ";                                   //2.更新指定记录的 blob字段 
                                 Statement st = cn.createStatement(); 
                                 ResultSet rs = st.executeQuery(sql); 
                                 File file = new File(evo.getMmsnews_content()); 
                                 if (rs.next()) { 
    OracleThinBlob blob = (weblogic.jdbc.vendor.oracle.OracleThinBlob) rs.getBlob(1);        
                                                                 //必须用weblogic 的jar包 
                                     OutputStream outStream = blob. getBinaryOutputStream(); 
                                     InputStream fin = new FileInputStream(file); 
                                     byte[] b = new byte[blob.getBufferSize()]; 
                                     int len = 0; 
                                     while ((len = fin.read(b)) != -1) { 
                                         outStream.write(b, 0, len); 
                                     } 
                                     fin.close(); 
                                     outStream.flush(); 
                                     outStream.close(); 
                                 } 
                                 rs.close(); 
                                 st.close(); 
                                 logger.error( "this MmsNews is save! "); 
                             } catch (Exception ex) { 
                                 logger.error(ex.getMessage()); 
                                 throw new Exception(ex.getMessage()); 
                             }     
 (2)提取blob字段的值,并保存为文件 
  private static void getZipFile(String contentid, String filepath, 
                                    String zipfile) throws 
             DOException {    
         String sql =  "select  content  from om_cm_mmsnews a where a.elementid in  (select b.elementid from om_cm_elementrelation b where b.contentid in (select c.contentid from om_cm_content c where c.contentid=?)) "; 
         Connection conn = null; 
         try { 
             //建立文件夹 
             File tempDicFile = new java.io.File(filepath); 
             tempDicFile.mkdirs();   
             //提取 blob 字段的内容并保存为