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  • Java 最简单的批处理

批处理Batch && PreparedStatement :

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import java.sql.*;
 
public class TestBatch {
    
    public static void main(String[] args) throws ClassNotFoundException, SQLException
    {
        Class.forName("com.mysql.jdbc.Driver");
        
        Connection conn = DriverManager.getConnection
        ("jdbc:mysql://localhost/test","root","ZHEN");
        
        /*
        Statement stmt = conn.createStatement();  //执行静态 SQL 语句并返回它所生成结果的对象。
        
        stmt.addBatch("INSERT INTO student VALUES(30,'ddd',12,'ii')");
        stmt.addBatch("INSERT INTO student VALUES(31,'ddd',12,'ii')");
        stmt.addBatch("INSERT INTO student VALUES(32,'ddd',12,'ii')");
        stmt.addBatch("INSERT INTO student VALUES(33,'ddd',12,'ii')");
        
        stmt.executeBatch();
        
        stmt.close();
        
        */
        
        PreparedStatement pstmt =
            conn.prepareStatement("INSERT INTO student VALUES(?,?,?,?)");
        
        pstmt.setInt(1, 40);
        pstmt.setString(2,"qq");
        pstmt.setInt(3,5);
        pstmt.setString(4,"ww");
        pstmt.addBatch();
        
        pstmt.setInt(1, 41);
        pstmt.setString(2,"qq");
        pstmt.setInt(3,5);
        pstmt.setString(4,"ww");
        pstmt.addBatch();
        
        pstmt.setInt(1, 42);
        pstmt.setString(2,"qq");
        pstmt.setInt(3,5);
        pstmt.setString(4,"ww");
        pstmt.addBatch();
        
        pstmt.executeBatch();
        pstmt.close();
        
        conn.close();
        
    }
 
}

　　出处：https://www.cnblogs.com/sunxun/p/4701808.html


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