• 大小: 391KB
    文件类型: .rar
    金币: 1
    下载: 0 次
    发布日期: 2021-06-03
  • 语言: 其他
  • 标签: 自习室  

资源简介

自己做的学校用的自习室查询系统,可以下载下来借鉴一下。

资源截图

代码片段和文件信息

package room.javabean;

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

public class DAO {

private String url;
private String driver;
private String userName;
private String password;

private Connection conn;
private Statement stmt;
private ResultSet rest;

public DAO() {
url = “jdbc:sqlserver://SHUAI-PC:1433;DatabaseName=studyroom“;
driver = “com.microsoft.sqlserver.jdbc.SQLServerDriver“;
userName = “sa“;
password = “as“;
}

private void loadDriver() {
try {
Class.forName(driver);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}

private Connection getConnection() {
loadDriver();
try {
conn = DriverManager.getConnection(url userName password);
} catch (SQLException e) {
e.printStackTrace();
}
return conn;
}
//执行查询操作
public ResultSet queryExecute(String sql) {
try {
conn = getConnection();
stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE ResultSet.CONCUR_READ_ONLY);
rest = stmt.executeQuery(sql);
} catch (SQLException e) {
e.printStackTrace();
}
return rest;
}
//增改返回影响的行数
public int updateExecute(String sql) {
int result = 0;
try {
conn = getConnection();
stmt = conn.createStatement();
result = stmt.executeUpdate(sql);
} catch (SQLException e) {
result = 0;
} finally {
Sqlclose();
}
return result;
}
//关闭
public void Sqlclose() {
try {
if  (rest != null) rest.close();
if  (stmt != null) stmt.close();
if  (conn != null) conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        846  2012-03-30 14:57  classRoomManagement\.classpath

     文件       1052  2012-03-30 14:57  classRoomManagement\.project

     文件        503  2012-03-30 14:57  classRoomManagement\.settings\.jsdtscope

     文件         89  2012-04-20 15:48  classRoomManagement\.settings\org.eclipse.core.resources.prefs

     文件        395  2012-03-30 14:57  classRoomManagement\.settings\org.eclipse.jdt.core.prefs

     文件        511  2012-03-30 14:57  classRoomManagement\.settings\org.eclipse.wst.common.component

     文件        345  2012-03-30 14:57  classRoomManagement\.settings\org.eclipse.wst.common.project.facet.core.xml

     文件         49  2012-03-30 14:57  classRoomManagement\.settings\org.eclipse.wst.jsdt.ui.superType.container

     文件          6  2012-03-30 14:57  classRoomManagement\.settings\org.eclipse.wst.jsdt.ui.superType.name

     文件       2420  2012-05-06 10:22  classRoomManagement\build\classes\room\javabean\DAO.class

     文件       1618  2012-05-06 10:22  classRoomManagement\build\classes\room\javabean\QueryBean.class

     文件       3080  2012-05-06 10:22  classRoomManagement\build\classes\room\javabean\SqlExecute.class

     文件       2493  2012-05-06 10:22  classRoomManagement\build\classes\room\javabean\StringUtil.class

     文件        683  2012-05-06 10:22  classRoomManagement\build\classes\room\javabean\user.class

     文件       1761  2012-04-21 00:15  classRoomManagement\src\room\javabean\DAO.java

     文件        850  2012-04-15 21:14  classRoomManagement\src\room\javabean\QueryBean.java

     文件       3512  2012-04-15 21:19  classRoomManagement\src\room\javabean\SqlExecute.java

     文件       1649  2012-04-18 11:18  classRoomManagement\src\room\javabean\StringUtil.java

     文件        419  2012-04-18 17:01  classRoomManagement\src\room\javabean\user.java

     文件       4718  2012-05-05 21:56  classRoomManagement\WebContent\add.jsp

     文件       3696  2012-05-14 17:30  classRoomManagement\WebContent\admin.jsp

     文件       7711  2012-05-05 10:09  classRoomManagement\WebContent\admin_01.jsp

     文件       1081  2012-05-06 18:44  classRoomManagement\WebContent\ajax.jsp

     文件       4281  2012-05-05 10:11  classRoomManagement\WebContent\alter.jsp

     文件      12200  2012-05-05 22:24  classRoomManagement\WebContent\buinessSchool.jsp

     文件        610  2012-04-18 23:01  classRoomManagement\WebContent\check.jsp

     文件       1407  2012-05-05 09:55  classRoomManagement\WebContent\CSS\admin.css

     文件       2428  2012-04-21 12:10  classRoomManagement\WebContent\CSS\news.css

     文件       3851  2012-04-21 15:14  classRoomManagement\WebContent\CSS\style.css

     文件       1296  2012-05-05 16:16  classRoomManagement\WebContent\deal.jsp

............此处省略108个文件信息

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