这篇文章主要介绍了JSP简单添加,查询功能代码,以实例形式分析了JSP实现简单添加及查询功能的相关技巧,具有一定参考借鉴价值,需要的朋友可以参考下
本文实例讲述了JSP简单添加,查询功能。分享给大家供大家参考。具体如下:
JSP技术:
- public class ISOtoGb2312
- {
- public static String convert( String str )
- {
- try
- {
- byte<> bytesStr=str.getBytes( "ISO-8859-1" ) ;
- return new String( bytesStr, "gb2312" ) ;
- }
- catch( Exception ex)
- {
- return str ;
- }
- }
- }
- <%@ page contentType="text/html; charset=GB2312" %>
- <html>
- <head>
- <title>
- 输入数据
- </title>
- </head>
- <body bgcolor="#ffffff">
- <h1>
- 请输入数据:
- </h1>
- <hr>
- <form method="POST" action="insert.jsp">
- <!--webbot bot="SaveResults" U-File="fpweb:///_private/form_results.txt"
- S-Format="TEXT/CSV" S-Label-Fields="TRUE" -->
- <p> </p>
- <p> </p>
- <p><img border="0" src="img/cisco.gif" width="70" height="81">
- <font size="5" color="#0000FF"><b>学 号:
- </b></font><input type="text" name="id" size="25"> <img border="0" src="img/cisco.gif" width="70" height="81">
- <font size="5" color="#0000FF"><b>性 别</b></font><font size="5" color="#0000FF"><b>:
- </b></font><input type="text" name="sex" size="24"></p>
- <p><img border="0" src="img/cisco.gif" width="70" height="81">
- <font size="5" color="#000080"><b>姓 名:
- </b></font><input type="text" name="name" size="25"> <img border="0" src="img/cisco.gif" width="70" height="81">
- <font size="5" color="#0000FF"><b>年 龄: </b></font><input type="text" name="age" size="24"></p>
- <p><img border="0" src="img/cisco.gif" width="70" height="81">
- <font size="5" color="#000080"><b>地 址:
- </b></font><input type="text" name="addr" size="84"> </p>
- <p> </p>
- <p>
- <input type="submit" value="提交" name="B1" style="font-size: 14pt; font-weight: bold">
- <input type="reset" value="全部重写" name="B2" style="font-size: 14pt; font-weight: bold">
- </p>
- </form>
- </body>
- </html>
- <%@ page contentType="text/html; charset=GB2312" %>
- <%@ page import = "java.sql.*"%>
- <%@ page language = "java"%>
- <%@ page import = "test.ISOtoGb2312"%>
- <html>
- <head>
- <title>
- 添加数据
- </title>
- </head>
- <body bgcolor="#ffffff">
- <h1>
- 接收数据,添加到数据库.
- </h1>
- <%
- Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); //载入驱动程序类别
- Connection con = DriverManager.getConnection("jdbc:odbc:zjyds1"); //建立数据库链接
- Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
- ResultSet.CONCUR_READ_ONLY);
- String strSQL;
- strSQL = "INSERT INTO tab02(id, name, sex, " +
- "age, addr) Values (" +
- ISOtoGb2312.convert( request.getParameter("id")) + "," +
- ISOtoGb2312.convert( request.getParameter("name")) + "," +
- ISOtoGb2312.convert( request.getParameter("sex")) + "," +
- ISOtoGb2312.convert( request.getParameter("age")) + "," +
- ISOtoGb2312.convert( request.getParameter("addr")) + ")";
- stmt.executeUpdate(strSQL);
- ResultSet rs; //建立ResultSet(结果集)对象
- rs = stmt.executeQuery("SELECT * FROM tab02"); //执行SQL语句
- %>
- <CENTER>
- <TABLE bgcolor=pink>
- <TR bgcolor=silver>
- <TD><B>编号</B></TD><TD><B>姓 名 </B></TD><TD><B>性 别</B></TD><TD><B> 年 龄</B></TD><TD><B>地 址</B></TD>
- </TR>
- <%
- //利用while循环将数据表中的记录列出
- while (rs.next())
- {
- %>
- <TR bgcolor=white>
- <TD><B><%= rs.getString("id") %></B></TD>
- <TD><B><%= rs.getString("name") %></B></TD>
- <TD><B><%= rs.getString("sex") %></B></TD>
- <TD><B><%= rs.getString("age") %></B></TD>
- <TD><B><%= rs.getString("addr") %></B></TD>
- </TR>
- <%
- }
- rs.close(); //关闭ResultSet对象
- stmt.close(); //关闭Statement对象
- con.close(); //关闭Connection对象
- %>
- </TABLE>
- </CENTER>
- <h3><a href="jsp1.jsp">返回</a></h3>
- </body>
- </html>
jsp1:
- <%@ page contentType="text/html; charset=GB2312" %>
- <%@ page import="com.borland.internetbeans.*,com.borland.dx.dataset.*,com.borland.dx.sql.dataset.*" %>
- <%@ taglib uri="/internetbeans.tld" prefix="ix" %>
- <%@ taglib uri="http://java.sun.com/jstl/sql" prefix="sql" %>
- <html>
- <head>
- <title>
- jsp1
- </title>
- </head>
- <jsp:useBean id="jsp1BeanId" scope="session" class="test.Jsp1Bean" />
- <jsp:setProperty name="jsp1BeanId" property="*" />
- <body bgcolor="#ff00ff">
- <h1>
- JBuilder Generated JSP
- <br>
- <hr>
- 这是第一次使用JSP技术 !!!----2004/3/1--南昌大学软件学院----
- </h1>
- <h3><a href="tmp/page_1.htm">另一页</a></h3>
- <br>
- <h3><a href="jsp2.jsp">下一页</a></h3>
- <br>
- <h3><a href="DBBean.jsp">数据库</a></h3>
- <form method="post">
- <br>Enter new value : <input name="sample"><br>
- <br>
- <input type="submit" name="Submit" value="Submit">
- <input type="reset" value="Reset">
- <br>
- Value of Bean property is :<jsp:getProperty name="jsp1BeanId" property="sample" />
- </form>
- <h3><a href="jsp4.jsp">登录</a></h3>
- </body>
- </html>
Jsp1Bean.java
- package test;
- /*aaaaaaa
- bbbbbbb
- ccccccccc*/
- /**
- * <p>Title: </p>
- * <p>Description: </p>
- * <p>Copyright: Copyright (c) 2004</p>
- * <p>Company: </p>
- * @author not attributable
- * @version 1.0
- */
- public class Jsp1Bean {
- private String sample = "Start value";
- //Access sample property
- public String getSample() {
- return sample;
- }
- //Access sample property
- public void setSample(String newValue) {
- if (newValue!=null) {
- sample = newValue;
- }
- }
- }
jsp2:
- <%@ page contentType="text/html; charset=GB2312" %>
- <%@ page import="java.sql.*" %>
- <%@ page language="java" %>
- <HTML>
- <HEAD>
- <TITLE>顺序取得数据</TITLE>
- </HEAD>
- <BODY>
- <CENTER>
- <FONT SIZE = 5 COLOR = blue>顺序取得数据</FONT>
- </CENTER>
- <BR>
- <HR>
- <BR>
- <CENTER>
- <%
- Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); //载入驱动程序类别
- Connection con = DriverManager.getConnection("jdbc:odbc:zjyds1"); //建立数据库链接
- Statement stmt = con.createStatement(); //建立Statement对象
- ResultSet rs; //建立ResultSet(结果集)对象
- rs = stmt.executeQuery("SELECT * FROM tab01"); //执行SQL语句
- %>
- <TABLE bgcolor=pink>
- <TR bgcolor=silver>
- <TD><B>学 号</B></TD><TD><B>姓 名 </B></TD><TD><B>性 别 </B></TD><TD><B>年 龄 </B></TD><TD><B>地 址</B></TD>
- </TR>
- <%
- //利用while循环将数据表中的记录列出
- while (rs.next())
- {
- %>
- <TR bgcolor=white>
- <TD><B><%= rs.getString("id") %></B></TD>
- <TD><B><%= rs.getString("name") %></B></TD>
- <TD><B><%= rs.getString("sex") %></B></TD>
- <TD><B><%= rs.getString("age") %></B></TD>
- <TD><B><%= rs.getString("addr") %></B></TD>
- </TR>
- <%
- }
- rs.close(); //关闭ResultSet对象
- stmt.close(); //关闭Statement对象
- con.close(); //关闭Connection对象
- %>
- </TABLE>
- </CENTER>
- </BODY>
- </HTML>
jsp3:
- <%@ page contentType="text/html; charset=GB2312" %>
- <html>
- <head>
- <title>
- jsp3
- </title>
- </head>
- <jsp:useBean id="jsp3BeanId" scope="session" class="test.Jsp3Bean" />
- <jsp:setProperty name="jsp3BeanId" property="*" />
- <body bgcolor="#ffffc0">
- <h1>
- JBuilder Generated JSP
- </h1>
- <form method="post">
- <br>Enter new value : <input name="sample"><br>
- <br><br>
- <input type="submit" name="Submit" value="Submit">
- <input type="reset" value="Reset">
- <br>
- Value of Bean property is :<jsp:getProperty name="jsp3BeanId" property="sample" />
- </form>
- </body>
- </html>
jsp4:
- <%@ page contentType="text/html; charset=GB2312" %>
- <html>
- <head>
- <title>
- 登录
- </title>
- </head>
- <body bgcolor="#ffffc0">
- <form method="POST" action="jsp6.jsp">
- <p align="center">
- 用户名:<input type="text" name="username" size="20"></p>
- <p align="center">
- 密 码:<input type="password" name="password" size="20"></p>
- <p align="center">
- <input type="radio" value="manage" checked name="select">
- 管理
- <input type="radio" name="select" value="statistic">统计</p>
- <p align="center"><input type="submit" value="登 录" name="login">
- <input type="reset" value="重 写" name="reset"></p>
- </form>
- </body>
- </html>
jsp6:
- <%@ page contentType="text/html; charset=GB2312" %>
- <html>
- <head>
- <title>
- 接收数据
- </title>
- </head>
- <body bgcolor="#ffffff">
- <%
- String user,pwd,choice;
- user=request.getParameter("username");
- pwd=request.getParameter("password");
- choice=request.getParameter("select");
- if(choice.equals("manage")){
- //user select manage.
- %>
- <jsp:forward page="jsp7.jsp">
- <jsp:param name="username" value="<%=user%>"/>
- <jsp:param name="password" value="<%=pwd%>"/>
- </jsp:forward>
- <%
- }else{
- //user select statistic
- %>
- <jsp:forward page="jsp8.jsp">
- <jsp:param name="username" value="<%=user%>"/>
- <jsp:param name="password" value="<%=pwd%>"/>
- </jsp:forward>
- <%
- }
- %>
- </body>
- </html>
jsp7:
- <%@ page contentType="text/html; charset=GB2312" %>
- <html>
- <head>
- <title>
- jsp7
- </title>
- </head>
- <body bgcolor="#ffffff">
- <h1>
- 这是管理页 !!!
- </h1>
- <br>
- <%
- String user,pwd;
- user=request.getParameter("username");
- pwd=request.getParameter("password");
- %>
- username is: <%=user%><br>
- password is: <%=pwd%><br>
- </body>
- </html>
jsp8:
- <%@ page contentType="text/html; charset=GB2312" %>
- <html>
- <head>
- <title>
- jsp8
- </title>
- </head>
- <body bgcolor="#ffffff">
- <h1>
- 这是统计页 !!!
- </h1>
- <br>
- <%
- String user,pwd;
- //user=request.getParameter("username");
- user=new String(request.getParameter("username").getBytes("ISO8859_1"));
- pwd=request.getParameter("password");
- %>
- username is: <%=user%><br>
- password is: <%=pwd%><br>
- </body>
- </html>
input.html
- <HTML>
- <HEAD>
- <TITLE>网页引导</TITLE>
- </HEAD>
- <BODY>
- <CENTER>
- <FONT SIZE = 5 COLOR = blue>网页引导</FONT>
- </CENTER>
- <BR>
- <HR>
- <BR>
- <FORM action="sendRedirect.jsp" method=post name=form1>
- <P>姓名 : <INPUT name=inputName ></P>
- <P>E-Mail : <INPUT name=inputE_Mail ></P>
- <INPUT name=submit type=submit value=送出>
- </FORM>
- </BODY>
- </HTML>
sendRedirect.jsp:
- <%@ page contentType="text/html; charset=GB2312" %>
- <%@ page language="java" %>
- <%
- String Name = request.getParameter("inputName");
- String E_Mail = request.getParameter("inputE_Mail");
- if(Name.equals("") || E_Mail.equals(""))//检查Name或E_Mail是否完成资料输入
- response.sendRedirect("sendRedirect.html"); //若未完成资料输入则将网页导向sendRedirect.html
- %>
- <HTML>
- <HEAD>
- <TITLE>网页引导</TITLE>
- </HEAD>
- <BODY>
- <CENTER>
- <FONT SIZE = 5 COLOR = blue>网页引导</FONT>
- </CENTER>
- <BR>
- <HR>
- <BR>
- <P>您的大名是:
- <%= Name %>
- </P>
- <P>E-Mail帐号为:
- <%= E_Mail %>
- </P>
- <p><a href="../jsp1.jsp">返回</a></p>
- </BODY>
- </HTML>
sendRedirect.html:
- <HTML>
- <HEAD>
- <TITLE>网页引导</TITLE>
- </HEAD>
- <BODY>
- <CENTER>
- <FONT SIZE = 5 COLOR = blue>网页引导</FONT>
- </CENTER>
- <BR>
- <HR>
- <BR>
- <FORM action="sendRedirect.jsp" method=post name=form1>
- <font size=5 color=red>
- 你输入的信息不完整,请重新输入!
- </font>
- <br>
- <P>姓名 : <INPUT name=inputName ></P>
- <P>E-Mail : <INPUT name=inputE_Mail ></P>
- <INPUT name=submit type=submit value=送出>
- </FORM>
- </BODY>
- </HTML>
希望本文所述对大家的JSP程序设计有所帮助。
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