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📄 addstudent.java

📁 这是和jspcourseware相对应的案例。希望大家通过这个案例的学习能够系统的掌握jsp编程的思想。
💻 JAVA
字号:
🔍 
/*
 * AddStudent.java
 *
 * Created on 2007年4月25日, 上午9:09
 */

package servlet;

import java.io.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

import javax.servlet.*;
import javax.servlet.http.*;
import util.SqlResult;
import util.myGB2312code;

/**
 *
 * @author hyl
 * @version
 */
public class AddStudent extends HttpServlet {
    
    private Connection con = null;
    
    public void init(ServletConfig config) throws ServletException{
        super.init(config);
        try{
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            con = DriverManager.getConnection("jdbc:odbc:school");
        }catch(ClassNotFoundException e){
            e.printStackTrace();;
        }catch(SQLException e){
            e.printStackTrace();
        }
    }
    
    public void destroy(){
        try{
            if(con != null)
                con.close();
        }catch(SQLException ignored){
            ignored.printStackTrace();
        }
    }
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=gb2312");
        PrintWriter out = response.getWriter();
        String s0,s1,s2,s3,s4,s5,s6,s7,s8,s9;
        
        s0 = request.getParameter("s0");
        int s0int = Integer.parseInt(s0);
        
        s1 = request.getParameter("s1");
        String s1Str = myGB2312code.GB2312toUnicode(s1,"ISO8859_1");
        
        s2 = request.getParameter("s2");
        String s2Str = myGB2312code.GB2312toUnicode(s2,"ISO8859_1");
        
        s3 = request.getParameter("s3");
        String s3Str = myGB2312code.GB2312toUnicode(s3,"ISO8859_1");
        
        s4 = request.getParameter("s4");
        String s4Str = myGB2312code.GB2312toUnicode(s4,"ISO8859_1");
        
        s5 = request.getParameter("s5");
        String s5Str = myGB2312code.GB2312toUnicode(s5,"ISO8859_1");
        
        s6 = request.getParameter("s6");
        String s6Str = myGB2312code.GB2312toUnicode(s6,"ISO8859_1");
        
        s7 = request.getParameter("s7");
        String s7Str = myGB2312code.GB2312toUnicode(s7,"ISO8859_1");
        
        s8 = request.getParameter("s8");
        String s8Str = myGB2312code.GB2312toUnicode(s8,"ISO8859_1");
        
        s9 = request.getParameter("s9");
        String s9Str = myGB2312code.GB2312toUnicode(s9,"ISO8859_1");
        
        String sql = "INSERT INTO STUDENTS(学号,班级座号,姓名,出生年月," +
                "身份证号码,住址,家长,"+ "电话,科别,毕业中学 )VALUES ("+
                s0int + "," + "'"+ s1Str +"'" + "," + "'" + s2Str + "'" + "," + "'" + s3Str + "'" + "," + "'" + s4Str + "'" + ","
                + "'" + s5Str + "'" + "," + "'" + s6Str + "'" + "," +  "'" + s7Str + "'" + "," + "'" + s8Str + "'" + "," + "'" + s9Str + "')";
        
        System.out.println(sql);
        out.println("<html><heade><title>addStudent</title></head>");
        out.println("<body>");
        SqlResult result = new SqlResult(con,sql);
        out.println(result);
        out.println("</body></html>");
        out.close();
    }
    
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}

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