package com.zheng.z;

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

public class JDBC2 {

  private Connection conn = null;
  private Statement stmt = null;

  public void queryEMP() {
    try {
      // 1、加载驱动
      Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

      // 2、建立连接
      String url = "jdbc:sqlserver://localhost:1433;databaseName=test";
      String username = "zheng";
      String pwd = "123";
      conn = DriverManager.getConnection(url, username, pwd);

      // 3、创建sql语句
      stmt = conn.createStatement();
      // 修改信息
      // String selectstr = "select * from info";
      String updatestr = "update info set job='教授 ' where id='001'";
      int result = stmt.executeUpdate(updatestr);
      // 4、处理结果集
      if (result > 0) {
        System.out.println("更新成功！！！");
      } else {
        System.out.println("更新失败！！！");
      }
    } catch (Exception e) {
      e.getStackTrace();
    } finally {
      // 5、关闭资源
      try {
        if (stmt != null) {
          stmt.close();
          stmt = null;
        }
        if (conn != null) {
          conn.close();
          conn = null;
        }
      } catch (Exception e) {
        e.getStackTrace();
      }

    }

  }

  public static void main(String[] args) throws SQLException {
    // TODO 自动生成的方法存根
    JDBC2 c = new JDBC2();
    c.queryEMP();

  }

}