📄 dbconn.java
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package check;import java.sql.*;public class dbconn { private String driverName = "com.microsoft.jdbc.sqlserver.SQLServerDriver";//加载驱动程序 private String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=mydata";//设置数据库连接串 private String user = "sa";//数据库登录用户名 private String password = "sa";//数据库登录密码 public void setDriverName(String newDriverName) { driverName = newDriverName; } public String getDriverName() { return driverName; } public void setUrl(String newUrl) { url = newUrl; } public String getUrl() { return url; } public void setUser(String newUser) { user = newUser; } public String getUser() { return user; } public void setPassword(String newPassword) { password = newPassword; } public String getPassword() { return password; } public Connection getConnection() { try { Class.forName(driverName); return DriverManager.getConnection(url, user, password); } catch (Exception e) { e.printStackTrace(); return null; } } public static void main(String[] args) { try{ dbconn dc = new dbconn(); Connection conn = dc.getConnection(); Statement stmt=conn.createStatement(); ResultSet rs=stmt.executeQuery("select * from My_BookAdminUser"); while(rs.next()){ System.out.print("名称: "+rs.getString(1)); System.out.print("\tpassword: "+rs.getString(2)); System.out.println(); } }catch(Exception e){ e.printStackTrace(); } }}
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