executeupdate鏂规硶鎬庝箞浣跨敤
executeUpdate鏂规硶鏄敤浜庢墽琛孲QL璇彞鐨勬柟娉曪紝瀹冪敤浜庢墽琛孖NSERT銆乁PDATE鎴朌ELETE绛夎鍙ャ€備娇鐢ㄦ柟娉曞涓嬶細
1. 鍒涘缓涓€涓狢onnection瀵硅薄銆傚彲浠ラ€氳繃DriverManager.getConnection()鏂规硶鍒涘缓涓€涓暟鎹簱杩炴帴銆?br/>
2. 鍒涘缓涓€涓猄tatement瀵硅薄銆傚彲浠ラ€氳繃Connection瀵硅薄鐨刢reateStatement()鏂规硶鍒涘缓涓€涓猄tatement瀵硅薄銆?br/>
3. 璋冪敤Statement瀵硅薄鐨別xecuteUpdate()鏂规硶銆傝鏂规硶鎺ュ彈涓€涓猄QL璇彞浣滀负鍙傛暟锛屽苟杩斿洖涓€涓猧nt鍊硷紝琛ㄧず鍙楀奖鍝嶇殑琛屾暟銆備緥濡傦紝鍙互浣跨敤executeUpdate()鏂规硶鎵ц涓€涓狪NSERT璇彞锛屽皢鏁版嵁鎻掑叆鍒版暟鎹簱涓€?br/>
涓嬮潰鏄竴涓ず渚嬩唬鐮侊紝婕旂ず浜嗗浣曚娇鐢╡xecuteUpdate鏂规硶锛?br/>
```java
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class Main {
public static void main(String[] args) {
Connection connection = null;
Statement statement = null;
try {
// 鍒涘缓鏁版嵁搴撹繛鎺?br/>
connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydatabase", "username", "password");
// 鍒涘缓Statement瀵硅薄
statement = connection.createStatement();
// 鎵цSQL璇彞
String sql = "INSERT INTO mytable (column1, column2) VALUES ('value1', 'value2')";
int rowsAffected = statement.executeUpdate(sql);
System.out.println("鍙楀奖鍝嶇殑琛屾暟锛? + rowsAffected);
} catch (SQLException e) {
e.printStackTrace();
} finally {
// 鍏抽棴Statement瀵硅薄鍜屾暟鎹簱杩炴帴
try {
if (statement != null) statement.close();
if (connection != null) connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
```
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闇€瑕佹敞鎰忕殑鏄紝鍦ㄤ娇鐢╡xecuteUpdate鏂规硶鏃讹紝闇€瑕佷繚璇丼QL璇彞鐨勬纭€э紝骞剁‘淇濆凡缁忔纭繛鎺ュ埌鏁版嵁搴撱€傚悓鏃讹紝杩橀渶瑕侀€傚綋澶勭悊SQL寮傚父鍜屽叧闂浉鍏宠祫婧愶紝浠ラ伩鍏嶈祫婧愭硠婕忋€?/p>