java文件写入oracle数据库blob字段

    xiaoxiao2023-03-24  5

    public void file2blob() throws Exception { String filePath = "D://FILE//t.txt"; oracle.sql.BLOB b = null; Connection con = null; Statement st = null; try { String uuid = UUID.randomUUID().toString().replace("-", ""); DataSource ds = jdbcT.getDataSource(); con = jdbcT.getDataSource().getConnection(); st = con.createStatement(); st.executeUpdate("INSERT INTO T_BOLB_TEST (OBJ_ID,B_BLOB)VALUES('" + uuid + "',EMPTY_blob())"); ResultSet rs = st .executeQuery("select B_BLOB from T_BOLB_TEST  WHERE OBJ_ID='" + uuid + "' for update"); if (rs.next()) { b = (oracle.sql.BLOB) rs.getBlob(1); File file = new File(filePath); FileInputStream fin = new FileInputStream(file); byte[] temp = new byte[fin.available()]; fin.read(temp); OutputStream out = b.getBinaryOutputStream(); out.write(temp, 0, temp.length); out.flush(); out.close();   } } catch (SQLException e) { e.printStackTrace(); } finally { if (st != null) { st.close(); } con.commit(); if (con != null) { con.close(); } } }
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