📄 account_book.jsp
字号:
<html>
<head>
<title>账目管理</title>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312">
<link href="../css/css1.css" rel="stylesheet" type="text/css">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<div align="center" class="title">账目管理 </div>
<p><a href="admin.jsp" class="link">返回管理中心</a></p>
<p><a href="account.jsp" class="link">返回账目管理</a></p>
<p>
<%@ include file="data.jsp"%>
<%@ include file="adm_login.jsp"%>
<jsp:useBean id="today" class="ebs.dateTransfer" scope="page"/>
<%
String bookid=request.getParameter("bookid");
String date=today.strYear()+"-"+today.strMonth()+"-"+today.strDay();
float total,per;
total=0;
per=0;
int I=0,sumall=0;
String sql="SELECT * FROM inbook WHERE book_id="+bookid;
Rst=Stmt.executeQuery(sql);
while(Rst.next())
{
I++;
int sum=Rst.getInt("in_sum");
float price=Rst.getFloat("in_price");
sumall=sumall+sum;
total=total+sum*price;
}
per=total/sumall;
Rst.close();
Stmt.close();
Conn.close();
%>
</p>
<p>这本书的现有平均成本：</p>
<table width="75%" border="1" align="center" cellpadding="0" cellspacing="0">
<tr>
<td>日期</td>
<td>图书ID</td>
<td>书价</td>
</tr>
<tr>
<td><%=date%></td>
<td><%=bookid%></td>
<td><%=per%></td>
</tr>
</table>
<p> </p>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -