JSP連接SQL數(shù)據(jù)庫實現(xiàn)查找(支持模糊查找,查找年齡段),插入信息<實例>
本代碼適合JSP初學(xué)者!轉(zhuǎn)載請注明出處謝謝!
====Search.html============================================================
<html>
<head>
<title>學(xué)生信息查詢</title>
<META http-equiv="Content-Type" content="text/html; charset=GB2312">
</head>
<!--Vmer設(shè)計,QQ:6466909.轉(zhuǎn)載請注明出處.-->
<body>
<center>
<h2>學(xué)生信息查詢</h2>
<br />
<br />
<form method="POST" action="Name.jsp">
<h4>按姓名查找(支持模糊查詢)</h4>
<table bgcolor="#CCCCCC">
<tr>
<td>查找姓名</td>
<td><input type="text" name="name" size="15" /></td>
<td><input type="submit" value="查找"></td>
</tr>
</table>
</form>
<br/>
<br />
<form method="POST" action="Age.jsp">
<h4>按年齡查找</h4>
<table border="1" bgcolor="#CCCCCC">
<tr>
<td>查找年齡</td>
<td><input type="text" name="agemin" size="5" /></td>
<td>到</td>
<td><input type="text" name="agemax" size="5" /></td>
<td><input type="submit" value="查找"></td>
</tr>
</table>
</form>
<br />
<br />
<form action="Insert.jsp" method="POST">
<h4>插入信息到表中</h4>
<table border="1" bgcolor="#cccccc">
<tr>
<td>姓名</td>
<td><input type="text" name="name" /></td>
</tr>
<tr>
<td>性別</td>
<td><input type="text" name="sex" /></td>
</tr>
<tr>
<td>年齡</td>
<td><input type="text" name="age" /></td>
</tr>
<tr>
<td>系別</td>
<td><input type="text" name="dept" /></td>
</tr>
<tr>
<td><input type="submit" value="插入" /></td>
<td><input type="reset" value="重置" /></td>
</tr>
</table>
</form>
</center>
</body>
</html>
========================================================================
====Name.jsp============================================================
<%@ page contentType="text/html; charset=GBK" %>
<%@ page import="java.sql.*" %>
<html>
<head>
<title></title>
<META http-equiv="Content-Type" content="text/html; charset=GBK">
</head>
<body>
<%
String name=request.getParameter("name");
if(name==null)
{
name="";
}
byte b[]=name.getBytes("ISO-8859-1");
name=new String(b);
Connection con;
Statement sql;
ResultSet rs;
try
{//建立JDBC-ODBC橋驅(qū)動程序,用到j(luò)ava.lang包中的類Class,調(diào)用其方法forName().
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException e){}
try
{//創(chuàng)建連接對象con,它屬于Connection類,然后用類DriverManager調(diào)用getConnection().
con=DriverManager.getConnection("jdbc:odbc:stu");
sql=con.createStatement();//創(chuàng)建SQL語句對象.
rs=sql.executeQuery("SELECT* FROM stuInfo WHERE stuName LIKE '%"+name+"%'");//執(zhí)行SQL語句并返回結(jié)果.
%>
<center>
<h2>按姓名查找的學(xué)生信息</h2>
<br />
<br />
<h4>輸出姓名為<%=name%>的學(xué)生信息:</h4>
<table border="1" bgcolor="#cccccc"><!--設(shè)置用以表格顯示.-->
<tr>
<th width="50">學(xué)號</th>
<th width="50">姓名</th>
<th width="50">性別</th>
<th width="50">年齡</th>
<th width="50">系別</th>
</tr>
<%
while(rs.next())//順序取出結(jié)果集中的數(shù)據(jù).
{%>
<tr>
<td><%=rs.getString(1)%></td> <!---取出表中第一個字段-->
<td><%=rs.getString(2)%></td>
<td><%=rs.getString(3)%></td>
<td><%=rs.getInt(4)%></td>
<td><%=rs.getString(5)%></td>
</tr>
<%}%>
</table>
</center>
<%
con.close();
}
catch(SQLException e1){}
%>
</body>
</html>
============================================================================
=====Age.jsp================================================================
<%@ page contentType="text/html; charset=GBK" %>
<%@ page import="java.sql.*" %>
<html>
<head>
<title>按姓名查找的學(xué)生信息</title>
</head>
<body>
<%
String agemin=request.getParameter("agemin");
if(agemin==null)
{
agemin="0";
}
String agemax=request.getParameter("agemax");
if(agemax==null)
{
agemax="100";
}
Connection con;
Statement sql;
ResultSet rs;
try
{//建立JDBC-ODBC橋驅(qū)動程序,用到j(luò)ava.lang包中的類Class,調(diào)用其方法forName().
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException e){}
try
{//創(chuàng)建連接對象con,它屬于Connection類,然后用類DriverManager調(diào)用getConnection().
con=DriverManager.getConnection("jdbc:odbc:stu");
sql=con.createStatement();//創(chuàng)建SQL語句對象.
rs=sql.executeQuery("SELECT* FROM stuInfo WHERE stuAge<="+agemax+" AND stuAge>="+agemin+"");;//執(zhí)行SQL語句并返回結(jié)果.
%>
<center>
<h2>按年齡查找的學(xué)生信息</h2>
<br />
<br />
<h4>輸出年齡在<%=agemin%>與<%=agemax%>之間的學(xué)生信息:</h4>
<table border="1" bgcolor="#cccccc"><!--設(shè)置用以表格顯示.-->
<tr>
<th width="50">學(xué)號</th>
<th width="50">姓名</th>
<th width="50">性別</th>
<th width="50">年齡</th>
<th width="50">系別</th>
</tr>
<%
while(rs.next())//順序取出結(jié)果集中的數(shù)據(jù).
{%>
<tr>
<td><%=rs.getString(1)%></td> <!---取出表中第一個字段-->
<td><%=rs.getString(2)%></td>
<td><%=rs.getString(3)%></td>
<td><%=rs.getInt(4)%></td>
<td><%=rs.getString(5)%></td>
</tr>
<%}%>
</table>
</center>
<%
con.close();
}
catch(SQLException e1){}
%>
</body>
</html>
============================================================================
======Insert.jsp======================================================================
<%@ page contentType="text/html; charset=GB2312" %>
<%@ page import="java.sql.*" %>
<html>
<head>
<title></title>
<META http-equiv="Content-Type" content="text/html; charset=GB2312">
</head>
<body>
<%
String name=request.getParameter("name");
if(name==null)
{
name="";
}
byte b[]=name.getBytes("ISO-8859-1");
name=new String(b);
String sex=request.getParameter("sex");
if(sex==null)
{
sex="";
}
byte s[]=sex.getBytes("ISO-8859-1");
sex=new String(s);
String age=request.getParameter("age");
String dept=request.getParameter("dept");
if(dept==null)
{
dept="";
}
byte d[]=dept.getBytes("ISO-8859-1");
dept=new String(d);
Connection con;
Statement sql;
ResultSet rs;
Statement stmt;
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException e){}
try
{
con=DriverManager.getConnection("jdbc:odbc:stu");
sql=con.createStatement();//創(chuàng)建SQL語句對象.
stmt=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
stmt.executeUpdate("INSERT INTO stuInfo VALUES ('"+name+"','"+sex+"','"+age+"','"+dept+"')");
rs=sql.executeQuery("SELECT* FROM stuInfo");
%>
<center>
<h2>學(xué)生信息表</h2>
<br />
<br />
<h4>輸出插入后的學(xué)生信息:</h4>
<table border="1" bgcolor="#cccccc"><!--設(shè)置用以表格顯示.-->
<tr>
<th width="50">學(xué)號</th>
<th width="50">姓名</th>
<th width="50">性別</th>
<th width="50">年齡</th>
<th width="50">系別</th>
</tr>
<%
while(rs.next())//順序取出結(jié)果集中的數(shù)據(jù).
{%>
<tr>
<td><%=rs.getString(1)%></td> <!---取出表中第一個字段-->
<td><%=rs.getString(2)%></td>
<td><%=rs.getString(3)%></td>
<td><%=rs.getInt(4)%></td>
<td><%=rs.getString(5)%></td>
</tr>
<%}%>
</table>
</center>
<%
con.close();
}
catch(SQLException e1)
{
System.out.println(e1);
}
%>
</body>
</html>
