在jooq框架中将给定时间转换为秒

import org.jooq.DSLContext;
import org.jooq.SQLDialect;
import org.jooq.impl.DSL;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Timestamp;
import java.time.LocalDateTime;

public class Example {
    public static void main(String[] args) {
        // 创建数据库连接
        String url = "jdbc:mysql://localhost:3306/database";
        String username = "username";
        String password = "password";
        
        try (Connection conn = DriverManager.getConnection(url, username, password)) {
            DSLContext dslContext = DSL.using(conn, SQLDialect.MYSQL);
            
            // 选择需要转换的时间字段
            // 这里假设表名为 "table_name"，时间字段名为 "time_column"
            LocalDateTime endTime = LocalDateTime.now();
            Timestamp startTime = Timestamp.valueOf("2022-01-01 00:00:00");
            
            long seconds = dslContext.select(DSL.timestampDiff(DSL.SECOND, endTime, startTime))
                                     .from(DSL.table("table_name"))
                                     .fetchOne()
                                     .value1();
                                     
            System.out.println("转换为秒数：" + seconds);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}