package com.neusoft.utils;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class JdbcOracleTest {
/**
* @param args
*/
public static void main(String[] args) {
// 2.建立同数据库的连接
// url:统一资源定位符
String url = "jdbc:oracle:thin:@10.25.85.247:1521:orcl";
String user = "scott";
String password = "tiger";
Connection con = null;
Statement st = null;
String sql = "select * from DEPT";
String sql1 = "delete from USERTEST";
ResultSet rs = null;
PreparedStatement pst = null;
// 1.加载驱动
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
con = DriverManager.getConnection(url, user, password);
System.out.println("数据库连接成功！");
// 取消自动提交事务
con.setAutoCommit(false);
// 3.取得statement对象
st = con.createStatement();
// 4.发送statement到oracle中，并且查询表
rs = st.executeQuery(sql);
// 5.取出结果集中的数据
while (rs.next()) {
System.out.println("*************************");
String deptno = rs.getString(1);
System.out.println(deptno);
String dname = rs.getString(2);
System.out.println(dname);
String loc = rs.getString(3);
System.out.println(loc);
System.out.println("*************************");
}
// 6.删除数据
// int i = st.executeUpdate(sql1);
// System.out.println("删除的记录的条数："+i);
// 7.高级-->?占位符
pst = con.prepareStatement("insert into USERTEST values(?,?,?)");
// 给占位符赋值-->通过serXxx()方法
pst.setString(1, "5");
pst.setString(2, "u5");
pst.setString(3, "p5");
int i = pst.executeUpdate();
System.out.println("插入的记录的条数：" + i);
//事务处理-->提交
con.commit();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
try {
//事务处理-->回滚
con.rollback();
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
// 6.关闭资源
try {
if (rs != null) {
rs.close();
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if (st != null) {
st.close();
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if (pst != null) {
pst.close();
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if (con != null) {
con.close();
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
<%@ page language="java" contentType="text/html; charset=GB18030"
pageEncoding="GB18030"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>Insert title here</title>
<script type="text/javascript">
function test() {
var name_1 = document.formData.password.value;
if(name_1.length<6){
alert("密码不足六位，重新输入");
return false;
}
return true;
}
</script>
</head>
<body>
<form action="../servlet/LoginServlet" method="post" name="formData">
用户名：
<input type="text" name="username" value="neusoft" />
<br>
密码：
<input type="password" name="password" value="123456">
<br>
<input type="submit" value="提交" onclick="return test()">
<input type="reset" value="重置">
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
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 'index.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>
欢迎<font color="red">${ub.name}</font>登录本系统.
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
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 'index.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>
<a href="../index.jsp" target="main">登录</a>
<br />
<a href="url">增加</a>
<br />
<a href="url">删除</a>
<br />
<a href="url">修改</a>
<br />
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
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 'index.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>
</body>
</html>
<html>
<head></head>
<frameset rows="20%,80%">
<frame name="top" src="frame_a.jsp" framef="0">
<frameset cols="20%,80%">
<frame name="left" src="frame_b.jsp" scrolling=no noresize
framespacing="0">
<frame name="main" src="frame_c.jsp" bordercolor="red"
marginwidth="100" marginheight="50" framespacing="0">
</frameset>
<body></body>
</noframes>
</frameset>
</html>
