jsp澶嶄範
1.娉ㄩ噴鍜岃娉?/span>
2.page鎸囦護
3.鍦╦sp涓繛鎺ユ暟鎹簱
4.鍖呭惈鎸囦護鍜岃煩杞寚浠?br />
**********1銆傝娉?******************
<% %>:澹版槑鍙橀噺錛岃〃杈懼紡
<%!%>:澹版槑甯擱噺錛屽啓鏂規(guī)硶錛岃繕鍙互鍐欑被錛堜竴鑸儏鍐典笅涓嶈兘鍐欙級
<%=%>:杈撳嚭琛ㄨ揪寮忓強鍏朵粬璇︾粏
<%!%>:澹版槑甯擱噺錛屽啓鏂規(guī)硶錛岃繕鍙互鍐欑被錛堜竴鑸儏鍐典笅涓嶈兘鍐欙級
<%=%>:杈撳嚭琛ㄨ揪寮忓強鍏朵粬璇︾粏
鍐欎釜綆鍗曠殑緇冧範鍝? --- 鍔ㄦ佹墦鍗拌〃鏍?
宸ュ叿錛歮yeclipse7.0+tomcat6.0
3-1.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<html>
<body>
鍔ㄦ佹墦鍗拌〃鏍?br /> <form action="3-1.jsp" method="post">
杈撳叆琛岋細<input type="text" name="rows"><br>
杈撳叆鍒楋細<input type="text" name="cols"><br>
<input type="submit" value="鎵撳嵃琛ㄥ崟">
</form>
</body>
鍔ㄦ佹墦鍗拌〃鏍?br /> <form action="3-1.jsp" method="post">
杈撳叆琛岋細<input type="text" name="rows"><br>
杈撳叆鍒楋細<input type="text" name="cols"><br>
<input type="submit" value="鎵撳嵃琛ㄥ崟">
</form>
</body>
</html>
3-1.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<body>
<% int row=Integer.parseInt(request .getParameter("rows"));
int cols=Integer.parseInt(request.getParameter("cols"));
%>
<table border="2" bordercolor="#eeeeee">
<%for(int i=1;i<=cols;i++){ %>
<tr>
<%for(int j=1;j<=row;j++){ %>
<td><%=i*j %></td>
<%} %>
</tr>
<%} %>
</table>
</body>
</html>
<body>
<% int row=Integer.parseInt(request .getParameter("rows"));
int cols=Integer.parseInt(request.getParameter("cols"));
%>
<table border="2" bordercolor="#eeeeee">
<%for(int i=1;i<=cols;i++){ %>
<tr>
<%for(int j=1;j<=row;j++){ %>
<td><%=i*j %></td>
<%} %>
</tr>
<%} %>
</table>
</body>
</html>
************2.page鎸囦護************************
page琛ㄧず褰撳墠鐨刯sp欏甸潰瀵硅薄.
浣滅敤錛氳緗甅IME綾誨瀷--<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%@ page contentType="text/html"%>
瀵煎寘鎸囦護銆 <%@page import="java.util.*" %>
鍏朵粬鎸囦護:閿欒欏碉紝紱佹session錛岄〉闈㈢殑緙撳啿絳?/span>
----------------榪炴帴鏁版嵁搴搈ysql--------
1 <%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
2 <%@ page import="java.sql.*" %>
3 <%
4 String path = request.getContextPath();
5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
6 %>
7
8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
9 <html>
10 <head>
11 <base href="<%=basePath%>">
12 </head>
21 <body>
22 <%!
23 public static final String driver="com.mysql.jdbc.Driver";
24 public static final String dburl="jdbc:mysql://localhost:3306/bbs";
25 public static final String username="root";
26 public static final String password="wszf";
27 %>
28
29 <%
30 Connection conn=null;//鏁版嵁搴撹繛鎺?/span>
31 PreparedStatement pst=null;//鏁版嵁搴撴搷浣?/span>
32 ResultSet rs=null;//緇撴灉闆?/span>
33 %>
34 <%
35 Class.forName(driver).newInstance();// 鍔犺澆鏁版嵁搴撻┍鍔?/span>
36 conn=DriverManager.getConnection(dburl,username,password);
37 String sql="select id,username,password from user_tb";
38 pst=conn.prepareStatement(sql);
39 rs=pst.executeQuery();
40 %>
41 <center>
42 <table border="1" width="20%" bordercolor="#aaa">
43 <tr>
44 <td>id</td>
45 <td>濮撳悕</td>
46 <td>瀵嗙爜</td>
47 </tr>
48 <%
49 while(rs.next()){
50 int id=rs.getInt(1);
51 String name=rs.getString(2);
52 String pass=rs.getString(3);
53
54 %>
55 <tr>
56 <td><%=id %></td>
57 <td><%=name %></td>
58 <td><%=pass %></td>
59 </tr>
60 <%} %>
61 <%
62 rs.close();
63 pst.close();
64 conn.close();
65 %>
66 </table>
67 </center>
68 </body>
69 </html>
70
2 <%@ page import="java.sql.*" %>
3 <%
4 String path = request.getContextPath();
5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
6 %>
7
8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
9 <html>
10 <head>
11 <base href="<%=basePath%>">
12 </head>
21 <body>
22 <%!
23 public static final String driver="com.mysql.jdbc.Driver";
24 public static final String dburl="jdbc:mysql://localhost:3306/bbs";
25 public static final String username="root";
26 public static final String password="wszf";
27 %>
28
29 <%
30 Connection conn=null;//鏁版嵁搴撹繛鎺?/span>
31 PreparedStatement pst=null;//鏁版嵁搴撴搷浣?/span>
32 ResultSet rs=null;//緇撴灉闆?/span>
33 %>
34 <%
35 Class.forName(driver).newInstance();// 鍔犺澆鏁版嵁搴撻┍鍔?/span>
36 conn=DriverManager.getConnection(dburl,username,password);
37 String sql="select id,username,password from user_tb";
38 pst=conn.prepareStatement(sql);
39 rs=pst.executeQuery();
40 %>
41 <center>
42 <table border="1" width="20%" bordercolor="#aaa">
43 <tr>
44 <td>id</td>
45 <td>濮撳悕</td>
46 <td>瀵嗙爜</td>
47 </tr>
48 <%
49 while(rs.next()){
50 int id=rs.getInt(1);
51 String name=rs.getString(2);
52 String pass=rs.getString(3);
53
54 %>
55 <tr>
56 <td><%=id %></td>
57 <td><%=name %></td>
58 <td><%=pass %></td>
59 </tr>
60 <%} %>
61 <%
62 rs.close();
63 pst.close();
64 conn.close();
65 %>
66 </table>
67 </center>
68 </body>
69 </html>
70
]]>