📄 courseedit.jsp
字号:
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.style1 {
font-family: "宋体";
font-size: 24px;
font-weight: bold;
}
-->
</style>
</head>
<body>
<%
if(session.getAttribute("userID")== null || session.getAttribute("userID").equals(""))
{
response.sendRedirect("index.jsp");
}
%>
<jsp:include flush="true" page="head.jsp"/><br /><br /><br /><br />
<form name="form1" method="post" action="courseEditSave.jsp" onSubmit="return check()">
<%!
String courseId="",courseName="",courseCredit="";
ResultSet rs = null;
Statement stmt = null;
%>
<%
String driver = "com.microsoft.jdbc.sqlserver.SQLServerDriver"; //驱动程序，见第十四章
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=stuManager";//数据库连接语句，见第十四章
String userID="sa",pwd="sa",sql="";
try{
Class.forName(driver);//调入JDBC-ODBC桥的驱动程序
Connection conn = DriverManager.getConnection(url,userID,pwd);//建立与数据的连接
//request对象
sql = "select * from course where courseId=" + request.getParameter("courseId") + "";
stmt = conn.createStatement();//建立Statement的实例，相当于创建一个查询分析器的运行环境
rs = stmt.executeQuery(sql); //把查询结果放入ResultSet对象
courseId = request.getParameter("courseId");
if(rs.next())
{
courseName=rs.getString("courseName");
courseCredit=rs.getString("courseCredit");
}
rs.close();
%>
<p align="center"><font size="4" color="red"><b>修改课程资料</b></font></p>
<table width="500" height="104" border="1" align="center" cellpadding="3" cellspacing="1">
<tr>
<td width="301" height="50" ><div align="right">课程名称：</div></td>
<td width="446"><input name="courseName" type="text" id="courseName" maxlength="20" value="<%=courseName %>" ></td>
</tr>
<tr>
<td width="301" height="50" ><div align="right">课程学分：</div></td>
<td width="446"><input name="courseCredit" type="text" id="courseCredit" maxlength="20" value="<%=courseCredit%>"></td>
</tr>
<input type = "hidden" id = "courseID" name = "courseID" value="<%=courseId%>">
<tr>
<td colspan="2"><div align="center">
<input type="submit" name="Submit" value=" 保 存 ">
</div></td>
</tr>
</table>
<%
}catch(Exception e){
System.out.println(e.getMessage());
}
%>
</form>
<jsp:include flush="true" page="bottom.jsp"/>
</body>
</html>
<script language="javascript">
function check()
{
if(form1.courseName.value=="")
{
alert("请输入课程的名称");
form1.courseName.focus();
return false ;
}
if(form1.courseCredit.value=="")
{
alert("请输入课程的学分");
form1.courseCredit.focus();
return false;
}
return true;
}
</script>⌨️ 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 + -