資源簡介
機房收費管理系統
1、主要功能模塊:
(1) 登錄模塊
(2) 上機管理模塊
說明:上機登記時,余額不足3元或卡處于掛失狀態,則拒絕登記;
每位同學的一次上機形成一條記錄,每36S遍歷一次上機記錄表,對表中所有正上機字段為TRUE的記錄的上機用時增加36S,同時從上機卡表的余額減少
(3) 上機卡管理模塊
(4) 充值掛失模塊
(5)查找統計模塊(統計某天上機的總時數、每次上機的平均時數和機房的收入;某學生上機的次數、上機總時數、每次上機平均時間;掛失和查詢余額)
2、參考相關數據表結構如下:
(1)上機卡(卡號,姓名,專業班級,余額,狀態) 狀態的取值有:正常(能自費上機)和掛失;
(2)上機記錄(卡號,上機日期,開始時間,上機用時,正上機,管理號代碼);
說明:上機用時:記錄學生上機時間(S);正上機是一個布爾型,為True表示正上機,每36秒刷新其上機用時并扣除上機費用,為False表示上機結束。上機記錄表永久保存,用于事后查詢和統計
(1) 管理員(代碼,姓名,口令)。

代碼片段和文件信息
package?bossServlet;
import?java.io.IOException;
import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?javax.swing.JOptionPane;
import?dao.BossCardDao;
@SuppressWarnings(“serial“)
public?class?doActivationStudent?extends?HttpServlet?{
public?void?doGet(HttpServletRequest?request?HttpServletResponse?response)
throws?ServletException?IOException?{
request.setCharacterEncoding(“UTF-8“);
String?studentId?=?request.getParameter(“studentId“);
String?msg?=?“sss“;
if(studentId.trim().equals(““)||studentId?==?null)?msg?=?“賬號不能為空!!“;
else
{
BossCardDao?bossdao?=?new?BossCardDao();
try?{
int?tp?=?bossdao.findStudent(studentId);
if(tp?!=?5?&&?tp?!=?4)?
{
msg?=?bossdao.Activation(studentId);
}
else?
{
if(tp?==?5)
??msg?=?“該學生不存在!!!“;
else?msg?=?“該賬號已被掛失“;
}
}?catch?(Exception?e)?{
msg?=?“未知錯誤請聯系龔政!!“;
e.printStackTrace();
}
}
request.setAttribute(“errmsg“?msg);
JOptionPane.showMessageDialog(null?msg);
if(msg.equals(“激活成功“))??
{
request.getRequestDispatcher(“/boss/right/gz.jsp“).forward(request?response);
}
else??request.getRequestDispatcher(“/boss/right/activationStudent.jsp“).forward(request?response);
???
}
public?void?doPost(HttpServletRequest?request?HttpServletResponse?response)
throws?ServletException?IOException?{
????doGet(requestresponse);
}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????94??2019-01-05?20:48??說明.txt
?????文件???????8953??2019-01-05?20:46??gznb.sql
?????文件????????456??2019-01-01?15:21??gz\.classpath
?????文件????????279??2019-01-02?18:37??gz\.myme
?????文件???????1745??2019-01-01?15:23??gz\.project
?????文件????????500??2019-01-01?15:19??gz\.settings\.jsdtscope
?????文件?????????78??2019-01-01?15:19??gz\.settings\com.genuitec.eclipse.ws.prefs
?????文件????????364??2019-01-01?15:19??gz\.settings\org.eclipse.jdt.core.prefs
?????文件????????444??2019-01-01?15:19??gz\.settings\org.eclipse.wst.common.component
?????文件????????206??2019-01-01?15:19??gz\.settings\org.eclipse.wst.common.project.facet.core.xm
?????文件?????????49??2019-01-01?15:19??gz\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件??????????6??2019-01-01?15:19??gz\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件???????1617??2019-01-03?18:57??gz\src\bossServlet\doActivationStudent.java
?????文件???????2079??2019-01-03?18:59??gz\src\bossServlet\doAddBoss.java
?????文件???????2134??2019-01-03?18:59??gz\src\bossServlet\doCheckStudent.java
?????文件???????1850??2019-01-03?19:26??gz\src\bossServlet\doHouseRecond.java
?????文件???????1854??2019-01-03?18:42??gz\src\bossServlet\doLogin.java
?????文件???????1569??2019-01-03?18:59??gz\src\bossServlet\doLoseStudent.java
?????文件???????2100??2019-01-03?19:00??gz\src\bossServlet\doModifyBoss.java
?????文件???????1805??2019-01-03?19:00??gz\src\bossServlet\doModifyStudent.java
?????文件???????1947??2019-01-03?19:00??gz\src\bossServlet\doRechargeStudent.java
?????文件???????2536??2019-01-03?19:00??gz\src\bossServlet\doRegisterStudent.java
?????文件???????1437??2019-01-03?18:45??gz\src\bossServlet\doSearchStudent.java
?????文件???????1004??2019-01-03?18:45??gz\src\bossServlet\doStudentRecond.java
?????文件???????1046??2019-01-03?18:46??gz\src\bossServlet\doSupComputer.java
?????文件??????11385??2019-01-03?18:40??gz\src\dao\BossCardDao.java
?????文件???????3387??2019-01-03?18:40??gz\src\dao\StudentCardDao.java
?????文件???????2634??2019-01-03?18:41??gz\src\dao\UsedDao.java
?????文件????????145??2018-12-29?15:01??gz\src\db.properties
?????文件???????1600??2018-12-28?16:59??gz\src\dbc\JdbcUtil.java
............此處省略129個文件信息
評論
共有 條評論