deletetests.java

题库管理及试卷生成系统

package com.gton.servlet.admin;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.gton.bean.db.*;
import com.gton.util.*;

public class DeleteTests extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        int tests_ID = Integer.parseInt(request.getParameter("Tests_ID"));
        String date = request.getParameter("date");
        String path = MyXML.myPath + date.substring(0, 4) + "\\" +
                      date.substring(4, 6) + "\\" + date.substring(6, 8) + "\\" +
                      date + ".xml";
        DataBean db = new DataBean();
        File file = new File(path);
        if (file.delete()) {
            if (db.deleteTests(tests_ID)) {
                request.setAttribute("alert", "alert('删除成功')");
            } else {
                request.setAttribute("alert", "alert('删除失败')");
            }
        } else {
            request.setAttribute("alert", "alert('删除失败')");
        }
        request.getRequestDispatcher("TestsPage?page=1").forward(request,
                response);
        db.Close();
    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}