preparedstatementselectdemo.java

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package preparedstatement;

import java.sql.*;

public class PreparedStatementSelectDemo {

  public PreparedStatementSelectDemo() {
    //定义数据库连接的驱动程序
    String driver = "org.gjt.mm.mysql.Driver";
    //定义MySQL数据库的连接地址
    String url = "jdbc:mysql://localhost:3306/EmployeeEBKC10";
    //声明连接类
    Connection conn = null;
    //带参数的查询SQL语句
    String parameterSql = "select * from employeeTable where employeeId = ?";
    try {
      //使用JDBC技术创建数据库连接
      Class.forName(driver);
      //使用DriverManager类的getConnection()方法建立连接
      conn = DriverManager.getConnection(url, "root", "test");
      //取得PreparedStatement接口
      PreparedStatement pstmt = conn.prepareStatement(parameterSql);
      //设置参数，第1个参数的开始序号是1
      pstmt.setString(1, "2007010018");
      //取得返回的记录集
      ResultSet rs = pstmt.executeQuery();
      while(rs.next()){
        String employeeId = rs.getString("employeeId");
        String departmentId = rs.getString("departmentId");
        String employeeName = rs.getString("employeeName");
        String phone = rs.getString("phone");
        String address = rs.getString("address");
        java.sql.Timestamp joinDate = rs.getTimestamp("joinDate");
        java.sql.Timestamp resignDate = rs.getTimestamp("resignDate");
        int employeeStatus = rs.getInt("employeeStatus");
        System.out.println(employeeId + "\t" + departmentId + "\t" +
                           employeeName + "\t" + phone + "\t" +
                           address + "\t" + joinDate + "\t" +
                           resignDate + "\t" +employeeStatus);
      }
    }catch(Exception e){
      e.printStackTrace();
    }
  }

  public static void main(String[] args) {
    new PreparedStatementSelectDemo();
  }
}