addstudentstatuschange.java

servlet做控制层示例

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   AddStudentStatusChange.java

package com.saintbo.servlet.student;

import com.saintbo.entity.student.TblStudStatusChange;
import com.saintbo.javabean.sys.UserInfo;
import com.saintbo.servlet.MyExtendedServlet;
import com.saintbo.session.student.StudentSessionLocal;
import com.saintbo.session.student.StudentSessionLocalHome;
import com.saintbo.util.upload.RequestHashtable;
import com.saintbo.util.upload.UploadRequest;
import java.io.IOException;
import java.text.DateFormat;
import javax.naming.InitialContext;
import javax.servlet.*;
import javax.servlet.http.HttpSession;

public class AddStudentStatusChange extends MyExtendedServlet
{

    public AddStudentStatusChange()
    {
    }

    public void handle()
        throws IOException, ServletException
    {
        UserInfo userInfo = (UserInfo)session.getAttribute("USERINFO");
        int userAuthority = super.checkAuthority(userInfo, 1, 0);
        if(userAuthority != 1)
            return;
        reqInfo = UploadRequest.upload(req);
        String studentID = "";
        if(userInfo.getUserType().equals(new Integer(1)))
            studentID = userInfo.getUserID();
        else
        if(userInfo.getUserType().equals(new Integer(3)))
            studentID = (String)reqInfo.get("StudentID");
        String years = (String)reqInfo.get("Years");
        String termID = (String)reqInfo.get("TermID");
        String strChangeDate = (String)reqInfo.get("ChangeDate");
        String changeType = (String)reqInfo.get("ChangeType");
        String changeComments = (String)reqInfo.get("ChangeComments");
        String processID = null;
        String collegeBefChange = (String)reqInfo.get("CollegeBefChange");
        String deptBefChange = (String)reqInfo.get("DeptBefChange");
        String specBefChange = (String)reqInfo.get("SpecBefChange");
        String specDirBefChange = (String)reqInfo.get("SpecDirBefChange");
        String classBefChange = (String)reqInfo.get("ClassBefChange");
        String statusBefChange = (String)reqInfo.get("StatusBefChange");
        String collegeAftChange = (String)reqInfo.get("CollegeAftChange");
        String deptAftChange = (String)reqInfo.get("DeptAftChange");
        String specAftChange = (String)reqInfo.get("SpecAftChange");
        String specDirAftChange = (String)reqInfo.get("SpecDirAftChange");
        String classAftChange = (String)reqInfo.get("ClassAftChange");
        String statusAftChange = (String)reqInfo.get("StatusAftChange");
        String replier = (String)reqInfo.get("Replier");
        TblStudStatusChange studStatusChange = null;
        String errorMessage = "";
        boolean result = false;
        if(studentID != null && !studentID.trim().equals(""))
            try
            {
                InitialContext jndiContext = new InitialContext();
                StudentSessionLocalHome home = (StudentSessionLocalHome)jndiContext.lookup("StudentSessionLocal");
                StudentSessionLocal local = home.create();
                java.util.Date changeDate = DateFormat.getDateInstance().parse(strChangeDate);
                java.util.Date replyDate = null;
                String status = "0";
                studStatusChange = local.addStudStatusChange(studentID, changeDate, changeType, changeComments, processID, specBefChange, specDirBefChange, classBefChange, statusBefChange, specAftChange, specDirAftChange, classAftChange, statusAftChange, status, replyDate, collegeBefChange, deptBefChange, collegeAftChange, deptAftChange, replier, years, termID);
                local.remove();
                jndiContext.close();
                if(studStatusChange != null && studStatusChange.getRowsID() != null)
                    result = true;
            }
            catch(Exception e)
            {
                errorMessage = "当申请学籍异动时出现错误.";
                result = false;
                e.printStackTrace();
            }
        else
            errorMessage = "传进来的学生学号不能为空.";
        if(result)
        {
            getServletContext().getRequestDispatcher("/student/studstatuschange.jsp?RowsID=" + studStatusChange.getRowsID()).forward(req, res);
        } else
        {
            session.setAttribute("ERRORMESSAGE", errorMessage);
            getServletContext().getRequestDispatcher("/error/error.jsp").forward(req, res);
        }
    }
}