问一个很的菜问题,请问JavaBean怎样调用的! WEB-INF/classes/javaBean.class把你的javaBean防在这个,目录下就能调用了。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 不行啊???做了一个连接mdb的例子,已经设好odbcshop.java我已经编译好把他丢进D:/www/WEB-INF/classes/shop.class中内容如下:package test;import java.sql.*;public class shop {String sDBDriver =" sun.jdbc.odbc.JdbcOdbcDriver";String sConnStr =" jdbc:odbc:shop";Connection conn = null;ResultSet rs = null;public shop () {try {Class.forName(sDBDriver);}catch (java.lang.ClassNotFoundException e ) {System.err.println("shop():" + e.getMessage() );}}public ResultSet executeQuery (String sql ) {rs = null; try {conn = DriverManager.getConnection (sConnStr);Statement stmt = conn.createStatement();rs = stmt.executeQuery (sql);}catch (SQLException ex){System.err.println("aq.executeQuery:" + ex.getMessage());}return rs;}}在根目录做了一个读取页shop.jsp内容如下:<html><head><meta http-equiv="Content-Type" content ="text/html; charset=gb2312" ><title>SHOP</title></head><body><p><b>SHOP</b></p><%@ page language="java" import="java.sql.*" %><jsp:useBean id="workM" scope="page" class="test.shop" /><%ResultSet RS=workM.executeQuery("SELECT * FROM shop");Int count;while (RS.next()) {count=RS.getInt("count");out.print("<LI>" + RS.getString("subject") + "</LI>");out.print("<pre>" +count + "</pre>");}RS.close();%></body></html>一运行就报错????搞不懂 应该放在D:/www/WEB-INF/classes/test/shop.class 你既然用了package test,就要在classes下新建一个test目录,然后把class放进去 我已经编译好把他丢进D:/www/WEB-INF/classes/test/shop.class中 json lib 解析json 利用FileUpload上传文件时,不管文件多大,都会溢出? mysql4.1.18在linux系统下为什么不支持java的预编译sql语法? jsp 项目安装求助和外包 JSTL的用法 以下这问题是什么意思呀,我的其它用BEAN的网页都有可以用呀! 求教!! 请教大家一个问题 我的JSP为什么找不到JDBC-ODBC驱动程序? struts2 获取jsp对象值为null 简单的连接池释放问题?(在线急) 怎样屏蔽用户输入的一些格式代码?
做了一个连接mdb的例子,已经设好odbcshop.java我已经编译好把他丢进D:/www/WEB-INF/classes/shop.class中内容如下:package test;
import java.sql.*;
public class shop {
String sDBDriver =" sun.jdbc.odbc.JdbcOdbcDriver";
String sConnStr =" jdbc:odbc:shop";
Connection conn = null;
ResultSet rs = null;
public shop () {
try {
Class.forName(sDBDriver);
}
catch (java.lang.ClassNotFoundException e ) {
System.err.println("shop():" + e.getMessage() );
}
}
public ResultSet executeQuery (String sql ) {
rs = null;
try {
conn = DriverManager.getConnection (sConnStr);
Statement stmt = conn.createStatement();
rs = stmt.executeQuery (sql);
}
catch (SQLException ex){
System.err.println("aq.executeQuery:" + ex.getMessage());
}
return rs;
}
}在根目录做了一个读取页shop.jsp内容如下:<html>
<head>
<meta http-equiv="Content-Type" content ="text/html; charset=gb2312" >
<title>SHOP</title>
</head>
<body>
<p><b>SHOP</b></p>
<%@ page language="java" import="java.sql.*" %>
<jsp:useBean id="workM" scope="page" class="test.shop" />
<%
ResultSet RS=workM.executeQuery("SELECT * FROM shop");
Int count;
while (RS.next()) {
count=RS.getInt("count");
out.print("<LI>" + RS.getString("subject") + "</LI>");
out.print("<pre>" +count + "</pre>");
}
RS.close();
%>
</body>
</html>
一运行就报错????搞不懂