/* * 版权所有 2021 涂聚文有限公司 * 许可信息查看: * 描述: * * 历史版本: JDK 14.02 * 2021-12-12 创建者 geovindu * 2021-12-15 添加 Lambda * 2021-12-15 修改:date * 接口类 mssql-jdbc-9.4.1.jre16.jar. * 数据库:MSSQL Server 2019 * 2021-12-15 修改者:Geovin Du * 生成API帮助文档的指令: *javadoc - -encoding Utf-8 -d apidoc DuMsSQLConn.java *https://www.microsoft.com/en-us/software-download/windows10 *https://github.com/PaddlePaddle/PaddleOCR *https://docs.microsoft.com/es-es/sql/connect/jdbc/download-microsoft-jdbc-driver-for-sql-server?view=sql-server-ver15 *https://github.com/microsoft/mssql-jdbc/blob/main/README.md * */ import java.sql.*; import com.microsoft.*; public class DuMsSQLConn { Connection con; Statement stmt = null; // public Connection getConnection() { //数据库地址 String url = "jdbc:sqlserver://GEOVINDU;DataBaseName=geovindu"; //GEOVINDU //localhost // String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver"; //com.mysql.cj.jdbc.Driver //com.mysql.jdbc.Driver // String userName = "sa"; // String password = "7涂聚文"; try { Class.forName(driverName); System.out.println("Ms SQL 数据库驱动加载成功"); } catch (ClassNotFoundException e) { e.printStackTrace(); } try { con = DriverManager.getConnection(url,userName,password); System.out.println("Ms SQL数据库连接成功"); System.out.println(" 实例化Statement对象..."); // 执行查询 stmt = con.createStatement(); String sql; sql = "SELECT RoleType,RoleTypeName,RoleTypeDescribe FROM RoleTypeList"; ResultSet rs = stmt.executeQuery(sql); // 展开结果集数据库 while(rs.next()){ // 通过字段检索 int typid = rs.getInt("RoleType"); String rolename = rs.getString("RoleTypeName"); String roledec = rs.getString("RoleTypeDescribe"); // 输出数据 System.out.print("角色ID: " + typid); System.out.print(" , 角色名字: " + rolename); System.out.print(" , 角色描述: " + roledec); System.out.print("\n"); } // 完成后关闭 rs.close(); stmt.close(); con.close(); } catch (SQLException e) { e.printStackTrace(); } return con; } }