jdbc 执行批处理任务

丁总学Java2023-10-27 5:08
java 复制代码
package com.csdn.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
//演示执行批处理任务
public class ExecuteBatchTask {

    public static void main(String[] args) throws ClassNotFoundException, SQLException {

        Class.forName("com.mysql.cj.jdbc.Driver");
        //http://www.baidu.com ？uname=jim&pwd=ok
        //协议        域名      ？ queryString（查询字符串）
        Connection conn = DriverManager.getConnection("jdbc:mysql:///fruitdb?rewriteBatchedStatements=true", "root", "123456");

        String sql = "insert into t_person values (0,?)";

        PreparedStatement psmt = conn.prepareStatement(sql);

        for (int i = 1; i <= 1000; i++) {
            psmt.setString(1, "用户" + i);
            psmt.addBatch();
        }

        psmt.executeBatch();

        psmt.close();
        conn.close();
    }
}