FuJianModelPlatform/TestDatabaseUpdate.java

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.sql.ResultSet;

public class TestDatabaseUpdate {
    public static void main(String[] args) {
        try {
            // 加载驱动
            Class.forName("dm.jdbc.driver.DmDriver");
            
            // 连接数据库
            String url = "jdbc:dm://192.168.0.145:30236?charSet=utf8";
            String username = "WATERSHED";
            String password = "WaterShed./1224";
            
            Connection conn = DriverManager.getConnection(url, username, password);
            Statement stmt = conn.createStatement();
            
            // 测试更新模型ID为111的记录
            Long modelId = 111L;
            
            // 先查询当前值
            String selectSql = "SELECT rotation_x, rotation_y, rotation_z, scale_x, scale_y, scale_z FROM WATERSHED_MODEL WHERE model_id = " + modelId;
            ResultSet rs = stmt.executeQuery(selectSql);
            
            if (rs.next()) {
                System.out.println("=== 更新前 ===");
                System.out.println("rotation_x: " + rs.getDouble("rotation_x"));
                System.out.println("rotation_y: " + rs.getDouble("rotation_y"));
                System.out.println("rotation_z: " + rs.getDouble("rotation_z"));
                System.out.println("scale_x: " + rs.getDouble("scale_x"));
                System.out.println("scale_y: " + rs.getDouble("scale_y"));
                System.out.println("scale_z: " + rs.getDouble("scale_z"));
            }
            
            // 执行更新
            String updateSql = "UPDATE WATERSHED_MODEL SET " +
                "rotation_x = 0, rotation_y = 0, rotation_z = 260, " +
                "scale_x = 1, scale_y = 1, scale_z = 1 " +
                "WHERE model_id = " + modelId;
            
            int rows = stmt.executeUpdate(updateSql);
            System.out.println("\n更新了 " + rows + " 行");
            
            // 再次查询验证
            rs = stmt.executeQuery(selectSql);
            if (rs.next()) {
                System.out.println("\n=== 更新后 ===");
                System.out.println("rotation_x: " + rs.getDouble("rotation_x"));
                System.out.println("rotation_y: " + rs.getDouble("rotation_y"));
                System.out.println("rotation_z: " + rs.getDouble("rotation_z"));
                System.out.println("scale_x: " + rs.getDouble("scale_x"));
                System.out.println("scale_y: " + rs.getDouble("scale_y"));
                System.out.println("scale_z: " + rs.getDouble("scale_z"));
            }
            
            // 关闭连接
            rs.close();
            stmt.close();
            conn.close();
            
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}