vendoraddservlet.java

分为经理和出纳2个权限

package com.yiboit.cfss.vendor;

import java.io.IOException;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class VendorAddServlet extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		
		String vname = request.getParameter("vname");
		String address = request.getParameter("address");
		String phone = request.getParameter("phone");
		String fax = request.getParameter("fax");
		String person = request.getParameter("person");
		
		if (vname == null || vname.length() == 0) {
			request.setAttribute("errmsg", "Vendor name is required.");
			request.getRequestDispatcher("vendorAdd.jsp").forward(request, response);
			return;
		}
		
		VendorBean v = new VendorBean(vname, address, phone, fax, person);
		
		VendorDAO dao = new VendorDAO();
		
		try {
			boolean result = dao.addVendor(v);
			
			if (result) {
				response.sendRedirect("VendorListServlet");
			} else {
				request.setAttribute("errmsg", "Add failure.");
				request.setAttribute("vname", vname);
				request.setAttribute("address", address);
				request.setAttribute("phone", phone);
				request.setAttribute("fax", fax);
				request.setAttribute("person", person);
				
				request.getRequestDispatcher("vendorAdd.jsp").forward(request, response);
			}
		} catch (SQLException e) {
			e.printStackTrace();
			response.sendRedirect(request.getContextPath() + "/error.jsp");
		}
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doGet(request, response);
	}
}