鍦↗ava涓鐞咰LOB绫诲瀷鏁版嵁閫氬父浣跨敤JDBC鏉ユ搷浣?span class="in-link" data-id="59">鏁版嵁搴?/span>銆備互涓嬫槸澶勭悊CLOB绫诲瀷鏁版嵁鐨勪竴鑸楠わ細

1銆佽幏鍙栨暟鎹簱杩炴帴锛氫娇鐢↗DBC杩炴帴鏁版嵁搴撱€?/p>

```

Connection conn = DriverManager.getConnection(url, user, password);

```

2銆佸垱寤篠QL璇彞锛氫娇鐢⊿QL璇彞鏌ヨ鎴栨洿鏂癈LOB绫诲瀷鏁版嵁銆?/p>

```

String sql = "SELECT clob_column FROM table_name WHERE id = ?";

PreparedStatement pstmt = conn.prepareStatement(sql);

pstmt.setInt(1, id);

ResultSet rs = pstmt.executeQuery();

```

3銆佽鍙朇LOB鏁版嵁锛氬皢CLOB鏁版嵁璇诲彇涓篟eader鎴朣tring銆?/p>

```

if (rs.next()) {

Clob clob = rs.getClob("clob_column");

Reader reader = clob.getCharacterStream();

StringBuilder sb = new StringBuilder();

int c;

while ((c = reader.read()) != -1) {

sb.append((char) c);

}

String clobData = sb.toString();

}

```

4銆佹洿鏂癈LOB鏁版嵁锛氬皢String鎴朢eader鍐欏叆CLOB銆?/p>

```

String updateSql = "UPDATE table_name SET clob_column = ? WHERE id = ?";

PreparedStatement updatePstmt = conn.prepareStatement(updateSql);

Clob clob = conn.createClob();

clob.setString(1, "New CLOB data");

updatePstmt.setClob(1, clob);

updatePstmt.setInt(2, id);

updatePstmt.executeUpdate();

```

5銆佸叧闂繛鎺ワ細鏈€鍚庤寰楀叧闂繛鎺ャ€?/p>

```

rs.close();

pstmt.close();

conn.close();

```

閫氳繃杩欎簺姝ラ锛屼綘鍙互鍦↗ava涓鐞咰LOB绫诲瀷鏁版嵁銆?/p>