日期:2014-05-17 浏览次数:21019 次
<%@ page language="java" import="java.sql.*" contentType="text/html; charset=GBK"%>
<jsp:useBean id="queryBean" scope="page" class="ch4.QueryBean"/>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'MySql.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<table width="60%" border="1">
<tr><td width="50%">姓名</td>
<td width="25%">学号</td>
<td width="25%">学分</td>
</tr>
<%ResultSet rs=queryBean.getQuery("select * from ta");
while(rs.next()){
%>
<tr><td width="50%"><%=rs.getString(1)%></td>
<td width="25%"><%=rs.getInt(2) %></td>
<td width="25%"><%=rs.getInt(3) %></td></tr>
<%
} rs.close();%>
</table>
<form action="" method="post">
姓名 <input type="text" name="name" id="name"><BR>
学号 <input type="text" name="num" id="num" ><br>
学分 <input type="text" name="point" id="point" ><input type="reset" value="清除" >
<input type="submit" value="add" name="add"> <input type="submit" value="modify" name="modify">
<jsp:setProperty property="submit" name="queryBean" value="<%=request.getParameter(\"submit\") %>"/>
<jsp:setProperty property="str1" name="queryBean" value="<%= request.getParameter(\"name\")%>"/>
<jsp:setProperty property="str2" name="queryBean" value="<%= request.getParameter(\"num\")%>"/>
<jsp:setProperty property="str3" name="queryBean" value="<%=request.getParameter(\"point\")%>"/>
<% try{
String str1=request.getParameter("name");
int str2=Integer.parseInt(request.getParameter("num"));
int str3=Integer.parseInt(request.getParameter("point"));
//queryBean.setModify("insert into ta values ('"+str1+"',"+str2+","+str3+");");使用这个方法可以存入值
queryBean.add();
out.println(str1);
}
catch (NumberFormatException e){
out.println("请输入数字");}
%>
</form>
</body>
</html>
package ch4;
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