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java語言的班級管理系統(tǒng)的設計與開發(fā)java語言的班級管理系統(tǒng)的設計與開發(fā)

代碼片段和文件信息
package?com.action;
import?java.io.IOException;
import?java.sql.ResultSet;
import?java.util.ArrayList;
import?java.util.List;
import?javax.servlet.RequestDispatcher;
import?javax.servlet.ServletConfig;
import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?com.dao.DB;
import?com.orm.TAdmin;
public?class?admin_servlet?extends?HttpServlet
{
public?void?service(HttpServletRequest?reqHttpServletResponse?res)throws?ServletException?IOException?
{
????????String?type=req.getParameter(“type“);
if(type.endsWith(“adminMana“))
{
adminMana(req?res);
}
if(type.endsWith(“adminAdd“))
{
adminAdd(req?res);
}
if(type.endsWith(“adminDel“))
{
adminDel(req?res);
}
}
public?void?adminMana(HttpServletRequest?reqHttpServletResponse?res)?throws?ServletException?IOException
{
List?adminList=new?ArrayList();
String?sql=“select?*?from?t_admin“;
object[]?params={};
DB?mydb=new?DB();
try
{
mydb.doPstm(sql?params);
ResultSet?rs=mydb.getRs();
while(rs.next())
{
TAdmin?admin=new?TAdmin();
admin.setUserId(rs.getInt(“userId“));
admin.setUserName(rs.getString(“userName“));
admin.setUserPw(rs.getString(“userPw“));
adminList.add(admin);
????}
rs.close();
}
catch(Exception?e)
{
e.printStackTrace();
}
mydb.closed();
req.setAttribute(“adminList“?adminList);
req.getRequestDispatcher(“admin/admin/adminMana.jsp“).forward(req?res);
}
public?void?adminAdd(HttpServletRequest?reqHttpServletResponse?res)
{
String?userName=req.getParameter(“userName“);
String?userPw=req.getParameter(“userPw“);
String?sql=“insert?into?t_admin?values(??)“;
object[]?params={userNameuserPw};
DB?mydb=new?DB();
mydb.doPstm(sql?params);
mydb.closed();
req.setAttribute(“message“?“操作成功“);
req.setAttribute(“path“?“admin?type=adminMana“);
????????String?targetURL?=?“/common/success.jsp“;
dispatch(targetURL?req?res);
}
public?void?adminDel(HttpServletRequest?reqHttpServletResponse?res)
{
System.out.println(req.getParameter(“userId“)+“**“);
String?sql=“delete?from?t_admin?where?userId=“+Integer.parseInt(req.getParameter(“userId“));
object[]?params={};
DB?mydb=new?DB();
mydb.doPstm(sql?params);
mydb.closed();
req.setAttribute(“message“?“操作成功“);
req.setAttribute(“path“?“admin?type=adminMana“);
????????String?targetURL?=?“/common/success.jsp“;
dispatch(targetURL?req?res);
}
public?void?dispatch(String?targetURIHttpServletRequest?requestHttpServletResponse?response)?
{
RequestDispatcher?dispatch?=?getServletContext().getRequestDispatcher(targetURI);
try?
{
????dispatch.forward(request?response);
????return;
}?
catch?(ServletException?e)?
{
????????????????????e.printStackTrace();
}?
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????1048576??2016-04-30?16:54??db_banji_Data.MDF
?????文件?????1048576??2016-04-30?16:54??db_banji_Log.LDF
?????目錄???????????0??2017-11-26?08:39??banji\
?????文件????????1704??2017-12-15?17:32??banji\.classpath
?????目錄???????????0??2017-12-16?22:32??banji\.myeclipse\
?????文件?????????288??2017-12-15?17:32??banji\.myme
?????文件????????1748??2017-12-15?17:33??banji\.project
?????目錄???????????0??2017-12-15?17:33??banji\.settings\
?????文件?????????500??2017-12-15?17:33??banji\.settings\.jsdtscope
?????文件?????????100??2012-02-09?01:08??banji\.settings\org.eclipse.core.resources.prefs
?????文件?????????629??2017-12-16?22:04??banji\.settings\org.eclipse.jdt.core.prefs
?????文件?????????453??2017-12-15?17:32??banji\.settings\org.eclipse.wst.common.component
?????文件?????????252??2017-12-15?17:33??banji\.settings\org.eclipse.wst.common.project.facet.core.xm
?????文件??????????49??2017-12-15?17:33??banji\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-12-15?17:33??banji\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2017-11-26?08:39??banji\WebRoot\
?????目錄???????????0??2017-11-26?08:39??banji\WebRoot\me
?????文件??????????39??2012-02-09?01:08??banji\WebRoot\me
?????目錄???????????0??2017-11-26?08:39??banji\WebRoot\My97DatePicker\
?????文件????????1389??2012-02-09?01:08??banji\WebRoot\My97DatePicker\My97DatePicker.htm
?????文件????????8367??2012-02-09?01:08??banji\WebRoot\My97DatePicker\WdatePicker.js
?????文件???????20471??2012-02-09?01:08??banji\WebRoot\My97DatePicker\calendar.js
?????文件?????????223??2012-02-09?01:08??banji\WebRoot\My97DatePicker\config.js
?????目錄???????????0??2017-11-26?08:39??banji\WebRoot\My97DatePicker\lang\
?????文件?????????644??2012-02-09?01:08??banji\WebRoot\My97DatePicker\lang\en.js
?????文件????????1089??2012-02-09?01:08??banji\WebRoot\My97DatePicker\lang\zh-cn.js
?????文件????????1088??2012-02-09?01:08??banji\WebRoot\My97DatePicker\lang\zh-tw.js
?????目錄???????????0??2017-11-26?08:39??banji\WebRoot\My97DatePicker\skin\
?????文件?????????158??2012-02-09?01:08??banji\WebRoot\My97DatePicker\skin\WdatePicker.css
?????文件????????1043??2012-02-09?01:08??banji\WebRoot\My97DatePicker\skin\datePicker.gif
?????目錄???????????0??2017-11-26?08:39??banji\WebRoot\My97DatePicker\skin\default\
............此處省略845個文件信息
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