图书管理系统（给个好评）

package book; import java.sql.*; import java.util.*; import javax.servlet.ServletException; import javax.servlet.http.*; public class ManagerServlet extends HttpServlet { public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, java.io.IOException { response.setContentType("text/html;charset=GB2312");//设置响应的MIME类型。 java.io.PrintWriter out = response.getWriter(); String qq=request.getParameter("name4"); if(qq.trim().equals("CreateManager")){ String name=request.getParameter("name1"); String password=request.getParameter("name2"); Administr ad=new Administr(); ad.setName(name); ad.setPassword(password); ad.newManager(); out.print( "<script Lanuage='JavaScript'>window.alert('管理员创建成功')</script>"); out.print( "<script Lanuage='JavaScript'>window.location ='CreateManager.jsp'</script>"); } if(qq.trim().equals("DelManager")){ String name=request.getParameter("name1"); Administr ad=new Administr(); ad.setName(name); ad.delManager(); out.print( "<script Lanuage='JavaScript'>window.alert('管理员删除成功')</script>"); out.print( "<script Lanuage='JavaScript'>window.location ='DelManager.jsp'</script>"); } if(qq.trim().equals("ManageXiu")){ String name=request.getParameter("name1"); String password=request.getParameter("name2"); Administr ad=new Administr(); ad.setName(name); ad.setPassword(password); ad.xiuManager(); out.print( "<script Lanuage='JavaScript'>window.alert('管理员信息修改成功')</script>"); out.print( "<script Lanuage='JavaScript'>window.location ='ManageXiu.jsp'</script>"); } if(qq.trim().equals("createJie")){ out.print("ok"); String id=request.getParameter("name1"); String name=request.getParameter("name2"); String dept=request.getParameter("name3"); Borrower br=new Borrower(); name=getS(name); dept=getS(dept); br.setId(id); br.setName(name); br.setDept(dept); br.newBorrower(); out.print( "<script Lanuage='JavaScript'>window.alert('借阅者创建成功，该借阅者借阅证号等信息如下窗口所示：')</script>"); out.print( "<script Lanuage='JavaScript'>window.location ='newJie.jsp'</script>"); //out.print("借阅者创建成功，该借阅者借阅证号可通过点击<a href='newJie.jsp'>查看</a>"); } if(qq.trim().equals("delJie")){ String name=request.getParameter("name1"); Borrower br=new Borrower(); br.setId(name); br.delBorrower(); out.print( "<script Lanuage='JavaScript'>window.alert('借阅者删除成功')</script>"); out.print( "<script Lanuage='JavaScript'>window.location ='delJie.jsp'</script>"); } if(qq.trim().equals("createBook")){ out.print("ok"); String bookname=request.getParameter("name1"); String bookauthor=request.getParameter("name2"); String bookpublish=request.getParameter("name3"); String bookISBN=request.getParameter("name5"); String bookshu=request.getParameter("name6"); Book b=new Book(); bookname=getS(bookname); bookauthor=getS(bookauthor); bookpublish=getS(bookpublish); bookISBN=getS(bookISBN); bookshu=getS(bookshu); b.setBookname(bookname);b.setBookauthor(bookauthor); b.setBookpublish(bookpublish);b.setBookISBN(bookISBN); b.setBookshu(bookshu); b.newBook(); out.print( "<script Lanuage='JavaScript'>window.alert('图书创建成功')</script>"); out.print( "<script Lanuage='JavaScript'>window.location ='createBook.jsp'</script>"); } if(qq.trim().equals("delBook")){ String name=request.getParameter("name1"); Book b=new Book(); b.setBookid(name); b.delBook(); out.print(name); out.print( "<script Lanuage='JavaScript'>window.alert('图书删除成功')</script>"); out.print( "<script Lanuage='JavaScript'>window.location ='delBook.jsp'</script>"); } } public String getS(String s){ try{ byte b[]=s.getBytes("iso-8859-1"); s=new String(b); return s; } catch(Exception e){ return e.toString(); } } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, java.io.IOException { doPost(request,response); } }