JAVAEE课程设计图书馆里系统(3)

}

BookTypeDAO bookTypeDAO = new BookTypeDAO();

List bookTypeList = bookTypeDAO.QueryAllBookTypeInfo();

ActionContext ctx = ActionContext.getContext(); ctx.put(\ctx.put(\ctx.put(\ctx.put(\ctx.put(\ctx.put(\ctx.put(\

ctx.put(\return \

/*查询要修改的图书信息*/

public String ModifyBookQuery() { }

/*更新图书信息*/

9

Book book= bookDAO.GetBookByBarCode(barcode); BookTypeDAO bookTypeDAO = new BookTypeDAO();

List bookTypeList = bookTypeDAO.QueryAllBookTypeInfo(); ActionContext ctx = ActionContext.getContext(); ctx.put(\ctx.put(\return \

public String ModifyBook() {

ActionContext ctx = ActionContext.getContext(); try {

BookTypeDAO bookTypeDAO = new BookTypeDAO(); bookType

=

bookTypeDAO.GetBookTypeById(book.getBookType().getBookTypeId());

/*删除图书*/

public String DeleteBook() {

ActionContext ctx = ActionContext.getContext(); try {

bookDAO.DeleteBook(barcode);

ctx.put(\图书删除成功!\return \

}

book.setBookType(bookType); bookDAO.UpdateBook(book);

ctx.put(\图书更新成功!\return \

} catch (Exception e) { }

e.printStackTrace();

ctx.put(\图书更新失败!\return \

} catch (Exception e) {

e.printStackTrace();

ctx.put(\图书删除失败!\return \

}

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}

}

Booktypeaction.java

package com.shuangyulin.action;

import java.util.List;

import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; import com.shuangyulin.dao.BookTypeDAO; import com.shuangyulin.domain.BookType; import com.shuangyulin.test.TestUtil;

public class BookTypeAction extends ActionSupport {

11

/*业务层对象*/

BookTypeDAO bookTypeDAO = new BookTypeDAO();

private BookType bookType;

public BookType getBookType() { }

return bookType;

public void setBookType(BookType bookType) { }

public String AddView() { }

@SuppressWarnings(\public String AddBookType() {

/*验证图书类别名称是否已经存在*/

ActionContext ctx = ActionContext.getContext(); String bookTypeName = bookType.getBookTypeName();

if(bookTypeDAO.QueryBookTypeInfoByNameFlag(bookTypeName) == 1) {

ctx.put(\ java.net.URLEncoder.encode(\该类别名称已经存return \this.bookType = bookType;

在!\

} try {

bookTypeDAO.AddBookType(bookType);

ctx.put(\图书类别信息添加成return \

功!\

return \

} catch (Exception e) {

e.printStackTrace();

ctx.put(\ java.net.URLEncoder.encode(\图书类别信息添加失

败!\

}

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return \

}

/*查询图书类别信息*/

public String QueryBookType() {

List bookTypeList = bookTypeDAO.QueryAllBookTypeInfo();

ActionContext ctx = ActionContext.getContext(); ctx.put(\

return \

}

/*查询要修改的读者类别信息*/

public String ModifyBookTypeQuery() {

BookType

db_bookType

bookTypeDAO.GetBookTypeById(bookType.getBookTypeId()); ActionContext ctx = ActionContext.getContext(); ctx.put(\ return \

}

/*更新图书类别信息*/

public String ModifyBookType() { ActionContext ctx = ActionContext.getContext(); try {

13

=