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package com.action;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import com.actionForm.BookTypeForm;

import com.dao.BookTypeDAO;

public class BookType extends HttpServlet {

private BookTypeDAO bookTypeDAO = null;

public BookType() {

this.bookTypeDAO = new BookTypeDAO();

}

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

String action = request.getParameter("action");

System.out.println("\nbookType*********************action=" + action);

if (action == null || "".equals(action)) {

request.setAttribute("error", "您的操作有误！");

request.getRequestDispatcher("error.jsp")

.forward(request, response);

} else if ("bookTypeAdd".equals(action)) {

bookTypeAdd(request, response);

} else if ("bookTypeQuery".equals(action)) {

bookTypeQuery(request, response);

} else if ("bookTypeModifyQuery".equals(action)) {

bookTypeModifyQuery(request, response);

} else if ("bookTypeModify".equals(action)) {

bookTypeModify(request, response);

} else if ("bookTypeDel".equals(action)) {

bookTypeDel(request, response);

}

}

/*********************** 添加图书类型信息 **************************/

private void bookTypeAdd(HttpServletRequest request,

HttpServletResponse response) throws ServletException, IOException {

BookTypeForm bookTypeForm = new BookTypeForm();

bookTypeForm.setTypeName(request.getParameter("typeName"));

bookTypeForm.setDays(Integer.parseInt(request.getParameter("days")));

int a = bookTypeDAO.insert(bookTypeForm);

if (a == 0) {

request.setAttribute("error", "图书类型信息添加失败！");

request.getRequestDispatcher("error.jsp")

.forward(request, response);

} else if (a == 2) {

request.setAttribute("error", "该图书类型信息已经添加！");

request.getRequestDispatcher("error.jsp")

.forward(request, response);

} else {

request.getRequestDispatcher("bookType_ok.jsp?para=1").forward(request,

response);

}

}

/*********************** 查询全部图书类型信息 **************************/

private void bookTypeQuery(HttpServletRequest request,

HttpServletResponse response) throws ServletException, IOException {

String str = null;

request.setAttribute("bookType", bookTypeDAO.query(str));

request.getRequestDispatcher("bookType.jsp")

.forward(request, response);

}

/*********************** 查询修改图书类型信息 **************************/

private void bookTypeModifyQuery(HttpServletRequest request,

HttpServletResponse response) throws ServletException, IOException {

BookTypeForm bookTypeForm = new BookTypeForm();

bookTypeForm.setId(Integer.valueOf(request.getParameter("ID")));

request.setAttribute("bookTypeQueryif", bookTypeDAO

.queryM(bookTypeForm));

request.getRequestDispatcher("bookType_Modify.jsp").forward(request,

response);

}

/*********************** 修改图书类型信息 **************************/

private void bookTypeModify(HttpServletRequest request,

HttpServletResponse response) throws ServletException, IOException {

BookTypeForm bookTypeForm = new BookTypeForm();

bookTypeForm.setId(Integer.parseInt(request.getParameter("id")));

bookTypeForm.setTypeName(request.getParameter("typeName"));

bookTypeForm.setDays(Integer.parseInt(request.getParameter("days")));

int ret = bookTypeDAO.update(bookTypeForm);

if (ret == 0) {

request.setAttribute("error", "修改图书类型信息失败！");

request.getRequestDispatcher("error.jsp")

.forward(request, response);

} else {

request.getRequestDispatcher("bookType_ok.jsp?para=2").forward(request,

response);

}

}

/*********************** 删除图书类型信息 **************************/

private void bookTypeDel(HttpServletRequest request,

HttpServletResponse response) throws ServletException, IOException {

BookTypeForm bookTypeForm = new BookTypeForm();

bookTypeForm.setId(Integer.valueOf(request.getParameter("ID")));

int ret = bookTypeDAO.delete(bookTypeForm);

if (ret == 0) {

request.setAttribute("error", "删除图书类型信息失败！");

request.getRequestDispatcher("error.jsp")

.forward(request, response);

} else {

request.getRequestDispatcher("bookType_ok.jsp?para=3").forward(request,

response);

}

}

public void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

doGet(request, response);

}

}