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[原创]java web三层架构程序实例

涓?????瑷?

????澶╂???ㄨ?????琛ㄨ?涓?绡???绔???绠???浠?缁?java web涓?灞??舵??????缃??规?锛?????杩??ユ???缃???涓?涓?绠???娴?璇??规?锛?锛??镐俊璁稿???杩?璇ユ??绔?????瀛?凡缁???寤鸿捣tomcat+ms sqlserver??jsp缂?杈?杩?琛???澧???涓??㈡??绠???浠?缁?涓?涓??轰?杩?涓??舵??涓???jsp绋?搴?瀹?渚???锛?瀹??ㄥ??浠ュ?浣?璇剧?璁捐?$??浣?涓?锛??镐俊?典俊涓?涓????朵负浜?璇剧?璁捐?″ご?肩????瀛??寰????磋叮锛?

浜???缂?绋?宸ュ?蜂???缃?

1. 宸ュ????涓哄??瀛??????虫??濂界?ㄧ?椤靛伐?峰?璇ユ??Dreamwaver锛?Frontpage涔???浠ワ?锛??ㄦ??瀹?渚?涓昏??ㄤ?璁捐?¤〃?煎???版??娣诲??琛ㄥ????

?ユ病??瀹?瑁?DW??FP????瀛??????涓??宠?锛?涔?????璋?锛???涓?????缂?杈?宸ュ?凤?璁颁???锛?灏卞??浠ワ?涓??㈢??瀹?渚?浼?璐村?轰唬??锛?浣?????copy+灏???淇??瑰氨??瀹???浣?涓???

2.??缃???椤??朵?绡???绔?宸茬?浠?缁?浜???缃?????棰?锛??板?ㄥ??璁句?宸茬????ф??涓?绡???绔?浠?缁???缃?????浜?锛?骞朵?浣???宸ヤ??鸿?惧??:/wool锛?????璺?寰?锛?涓?绡???绔?涓?wool.xml??浠朵腑path锛?""璇??ヤ腑????瀹癸?涓?wool锛??版??搴???涓?est锛?杩??ユ???涓?dbc/sqlserver??

涓????版??搴?璁捐????寮?锛?寮?濮?????锛???sqlserver蹇??锋?瑰?缁?锛???浼?涓?绠$??????ㄤ?涓?绠$???ㄤ腑?惧?拌??ユ?杩??ョ??搴?锛??ㄥ?涓??板缓涓?涓?琛??琛ㄥ??涓?tudent??student琛ㄤ腑??濡?涓?瀛?娈碉?

id锛?涓婚??锛?? ?int??? ????ㄦ??绀鸿???ㄥ?1

name? ?? ?? ?ntext绫诲??

sex? ?? ?? ?? ?ntext绫诲??

mark? ?? ?? ? ntext绫诲??

number? ?? ?ntext绫诲??

璐村?撅?

[原创]java web三层架构程序实例

娉????绡???绔????逛??ㄨ?叉?版??搴?璁捐?★??跺???版??搴?璁捐?$????涔?涓??ㄨ?锛????风??璇达?锛???浠ラ?や?涓婚??澶??朵?瀛?娈甸?界?ㄤ?ntext绫诲??锛?杩?涓?绫诲??涓??ㄨ??????瀹瑰お澶??朵??归?㈤??棰?锛?

????寮?濮?缂?绋?锛?????锛?

1.??:/wool??褰?涓?????寤虹??浠ヤ???浠讹?

list.jsp

del.jsp

add.htm

getadd.jsp

edit.jsp

getedit.jsp

濡??撅?

[原创]java web三层架构程序实例

涓??㈢????璐村?鸿?浜???浠剁??婧?????

2.list.jsp

???芥??杩帮????烘?版??搴??????版??锛?涓虹????璧疯?锛?????椤靛???斤?

浠?缁?瑙?瀵?涓???唬?????颁??㈠??璐ㄥ氨????涓?涓?绡???绔?涓??ㄤ?娴?璇???jsp??浠躲??

????璐村?撅?

???版???讹?

[原创]java web三层架构程序实例

???版???讹?

[原创]java web三层架构程序实例

浠g??锛?

----------------------------------------------------------------------

<%@ page contentType="text/html; charset=gb2312" %>

<%@ page import="javax.naming.Context" %>

<%@ page import="javax.sql.DataSource"%>

<%@ page import="javax.naming.InitialContext"%>

<%@ page import="java.sql.*"%>

<%

? ?DataSource ds = null;

? ?try{

? ???Context initCtx = new InitialContext();

? ? ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/sqlserver");

? ?

if(ds!=null)

{

Connection conn = ds.getConnection();

Statement stmt=conn.createStatement();

ResultSet rst=stmt.executeQuery("select * from student");

%>

<table width="100%"?? cellspacing="0" cellpadding="0">

??<tr bgcolor="#CCCCCC">

? ? <th height="29">??浣?</th>

? ? <th>瀛???lt;/th>

? ? <th>??瀛?</th>

? ? <th>?у??</th>

? ? <th>????lt;/th>

??</tr>

<%

while(rst.next())

{%>

<%int aid = rst.getInt("id");%>

??<tr bgcolor="#FFFFCC">

? ? <td><div align="center"><a href="edit.jsp?id=<%=aid%>" target="_blank" rel="external nofollow" >缂?杈?</a> <a href="del.jsp?id=<%=aid%>" target="_blank" rel="external nofollow" >????lt;/a></div></td>

? ? <td><div align="center"><strong><font color="blue"><%=rst.getString("number")%></font></strong></div></td>

? ? <td><div align="center"><strong><font color="blue"><%=rst.getString("name")%></font></strong></div></td>

? ? <td><div align="center"><strong><%=rst.getString("sex")%></strong></div></td>

? ? <td><div align="center"><strong><%=rst.getString("mark")%></strong></div></td>

??</tr>

<%

}

%>

</table>

??<%

rst.close();

stmt.close();

conn.close();

}

else

out.println("杩??ュけ璐?");

}

catch(Exception ne)

{

out.println(ne);

}

%>

<p align="center"> <a href="add.htm" target="_blank" rel="external nofollow" >娣诲???版??</a></p>

-------------------------------------------------------------------------------------

3.add.htm

???芥??杩帮?濉????板??瀹圭??琛ㄥ??

杩?涓???浠跺????绾?html??浠讹?浠ヤ???瀹瑰??浠ョ??W绛?缂?杈??ㄥ?朵?锛?濡?????瑙???璐村?虹??涓?瑗垮お涓???璇?锛?

璐村?撅?

??锛?

[原创]java web三层架构程序实例

??锛?

[原创]java web三层架构程序实例

浠g??锛?

----------------------------------------------------------------------------------------------------

<form name="form1" method="post" action="getadd.jsp">

??<table width="100%"?? cellspacing="0" cellpadding="0">

? ? <tr>

? ?? ?<th width="38%" bgcolor="#FFCCFF" scope="row">瀛???lt;/th>

? ?? ?<td width="62%"><input name="number" type="text" id="number"></td>

? ? </tr>

? ? <tr>

? ?? ?<th bgcolor="#FFCCFF" scope="row">濮???</th>

? ?? ?<td><input name="name" type="text" id="name"></td>

? ? </tr>

? ? <tr>

? ?? ?<th bgcolor="#FFCCFF" scope="row">????lt;/th>

? ?? ?<td><input name="mark" type="text" id="mark"></td>

? ? </tr>

? ? <tr>

? ?? ?<th bgcolor="#FFCCFF" scope="row">?у??</th>

? ?? ?<td><select name="sex" id="sex">

? ?? ???<option value="boy">??lt;/option>

? ?? ???<option value="girl">濂?lt;/option>

? ?? ?</select></td>

? ? </tr>

? ? <tr bgcolor="#CCFFFF">

? ?? ?<th colspan="2" scope="row"><input type="submit" name="Submit" value="??浜?> <input type="reset" name="Submit2" value="??缃?"></th>

? ? </tr>

??</table>

</form>

<p align="center"><a href="list.jsp" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >???板??琛?lt;/a></p>

----------------------------------------------------------------------------------------------------

4.getadd.jsp

???芥??杩帮??峰??add.htm椤甸??腑浼???杩??ョ???版??锛?骞跺??峰?????版??娣诲??杩??版??搴?

姝ら〉?㈡?????拌?琛?椤甸????版????浣????????剧ず濡?涓?锛?

[原创]java web三层架构程序实例

浠g??锛?

-------------------------------------------------------------------------------------------------------

<%@ page contentType="text/html; charset=gb2312" %>

<%@ page import="javax.naming.Context" %>

<%@ page import="javax.sql.DataSource"%>

<%@ page import="javax.naming.InitialContext"%>

<%@ page import="java.sql.*"%>

<%

String name=request.getParameter("name");

String sex=request.getParameter("sex");

String number=request.getParameter("number");

String mark=request.getParameter("mark");

? ?DataSource ds = null;

? ?try{

? ???Context initCtx = new InitialContext();

? ? ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/sqlserver");

? ?

if(ds!=null)

{

Connection conn = ds.getConnection();

Statement stmt=conn.createStatement();

stmt.executeUpdate("insert into student (name,sex,number,mark) values ('"+name+"','"+sex+"','"+number+"','"+mark+"')");

//sql?????ヨ???ワ?insert into 琛ㄥ?? (瀛?娈?锛?瀛?娈?锛????? values (??锛???锛?????

conn.close();

%>

<p align="center"><a href="list.jsp" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >娣诲??????锛??瑰?昏????版????琛ㄣ??</a></p>

<%

}

else

out.println("杩??ュけ璐?");

}

catch(Exception ne)

{

out.println(ne);

}

%>

-------------------------------------------------------------------------------------------------------

5.del.jsp

???芥??杩帮????ゆ??瀹????版??

姝ら〉??负???拌?琛?椤甸?????浣???????浼??剧ず锛?

[原创]java web三层架构程序实例

浠g??锛?

--------------------------------------------------------------------------------------------------

<%@ page contentType="text/html; charset=gb2312" %>

<%@ page import="javax.naming.Context" %>

<%@ page import="javax.sql.DataSource"%>

<%@ page import="javax.naming.InitialContext"%>

<%@ page import="java.sql.*"%>

<%

String id=request.getParameter("id");

? ?DataSource ds = null;

? ?try{

? ???Context initCtx = new InitialContext();

? ? ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/sqlserver");

? ?

if(ds!=null)

{

Connection conn = ds.getConnection();

Statement stmt=conn.createStatement();

stmt.executeUpdate("delete student where id = "+id);

//涓??㈣???ョ????del.jsp??浠朵腑???稿?璇??ワ?浣??ㄦ??浠??版??搴?涓????ゆ?版??

stmt.close();

conn.close();

%>

<p align="center"><a href="list.jsp" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >???ゆ????锛??瑰?昏????版????琛ㄣ??</a></p>

<%

}

else

out.println("杩??ュけ璐?");

}

catch(Exception ne)

{

out.println(ne);

}

%>

----------------------------------------------------------------------------------------

6.edit.jsp

???芥??杩帮???瀹逛慨?圭??琛ㄥ??锛?涓?add.htm??浠朵???????杩?涓?杩?琛?杩?涓???浠剁???跺??琛ㄥ??????瀹归?芥??榛?璁ゅ?硷???榛?璁ゅ?煎氨?????ョ???版??

?瑰?诲??濡?涓??撅?

[原创]java web三层架构程序实例

淇??规?版????纭?瀹?锛?

[原创]java web三层架构程序实例

???版?版??宸茬??瑰??锛?wool?i?????版??100????60锛?锛?

[原创]java web三层架构程序实例

---------------------------------------------------------------------------------------------

<%@ page contentType="text/html; charset=gb2312" %>

<%@ page import="javax.naming.Context" %>

<%@ page import="javax.sql.DataSource"%>

<%@ page import="javax.naming.InitialContext"%>

<%@ page import="java.sql.*"%>

<%

String id=request.getParameter("id");

? ?DataSource ds = null;

? ?try{

? ???Context initCtx = new InitialContext();

? ? ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/sqlserver");

? ?

if(ds!=null)

{

Connection conn = ds.getConnection();

Statement stmt=conn.createStatement();

ResultSet rst=stmt.executeQuery("select * from student where id = "+id);

rst.next();

String number=rst.getString("number");

String name=rst.getString("name");

String sex=rst.getString("sex");

String mark=rst.getString("mark");

%>

<form name="form1" method="post" action="getedit.jsp">

<input type="hidden" name="id" value="<%=id%>"/>

??<table width="100%"?? cellspacing="0" cellpadding="0">

? ? <tr>

? ?? ?<th width="38%" bgcolor="#FFCCFF" scope="row">瀛???lt;/th>

? ?? ?<td width="62%"><input name="number" type="text" id="number" value="<%=number%>"></td>

? ? </tr>

? ? <tr>

? ?? ?<th bgcolor="#FFCCFF" scope="row">濮???</th>

? ?? ?<td><input name="name" type="text" id="name" value="<%=name%>"></td>

? ? </tr>

? ? <tr>

? ?? ?<th bgcolor="#FFCCFF" scope="row">????lt;/th>

? ?? ?<td><input name="mark" type="text" id="mark" value="<%=mark%>"></td>

? ? </tr>

? ? <tr>

? ?? ?<th bgcolor="#FFCCFF" scope="row">?у??</th>

? ?? ?<td><select name="sex" id="sex">

? ? ? ?? ???<option value="boy"<%if(sex.equals("boy")){%> selected<%}%>>??lt;/option>

? ?? ???<option value="girl"<%if(sex.equals("girl")){%> selected<%}%>>濂?lt;/option>

? ?? ?</select></td>

? ? </tr>

? ? <tr bgcolor="#CCFFFF">

? ?? ?<th colspan="2" scope="row"><input type="submit" name="Submit" value="??浜?> <input type="reset" name="Submit2" value="??缃?"></th>

? ? </tr>

??</table>

</form>

<p align="center"><a href="list.jsp" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >???板??琛?lt;/a></p>

<%

rst.close();

stmt.close();

conn.close();

}

else

out.println("杩??ュけ璐?");

}

catch(Exception ne)

{

out.println(ne);

}

%>

---------------------------------------------------------------------------------------------

7.getedit.jsp

???芥??杩帮??峰??edit.jsp琛ㄥ??涓?浼???杩??ョ???版??锛?骞舵?存?版?版??搴?

??椤甸????舵?????拌?琛?锛???浣?????濡??撅?

[原创]java web三层架构程序实例

浠g??锛?

------------------------------------------------------------------------------------------------

<%@ page contentType="text/html; charset=gb2312" %>

<%@ page import="javax.naming.Context" %>

<%@ page import="javax.sql.DataSource"%>

<%@ page import="javax.naming.InitialContext"%>

<%@ page import="java.sql.*"%>

<%

//???㈣В??杩?浜?锛?杩??????峰??琛ㄥ??浼???杩??ョ????瀹?String id=request.getParameter("id");

String name=request.getParameter("name");

String sex=request.getParameter("sex");

String number=request.getParameter("number");

String mark=request.getParameter("mark");

? ?DataSource ds = null;

? ?try{

? ???Context initCtx = new InitialContext();

? ? ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/sqlserver");

? ?

if(ds!=null)

{

Connection conn = ds.getConnection();

Statement stmt=conn.createStatement();

stmt.executeUpdate("update student set name='"+name+"',sex='"+sex+"',mark='"+mark+"',number='"+number+"' where id = "+id);

conn.close();

%>

<p align="center"><a href="list.jsp" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >淇??规????锛??瑰?昏????版????琛ㄣ??</a></p>

<%

}

else

out.println("杩??ュけ璐?");

}

catch(Exception ne)

{

out.println(ne);

}

%>

--------------------------------------------------------------------------------------------------------

浜???杩?琛???娴?璇?

1.杩?琛?

?规?涓??朵?绡???绔?浠?缁????规?涓??凤???寮?sqlserver??tomcat锛??ㄦ?瑙??ㄥ?板????杈??ワ?http://localhost:8080/wool/list.jsp

娉ㄦ????涓??㈢?ㄧ孩?叉???虹??/wool锛?杩?涓???瀛?涓???缃???浠朵腑??path涓???瀹瑰?瑰???

锛?杩?琛?缁?????寰?浼?浼?璐村?惧?烘?ワ?

2.璋?璇?

?ㄦ?璇?杩?绋?涓?璇峰??ュ??娉??版??锛??辨??瀛?姣?锛??板??锛???浜????癸?

娉ㄦ???垮??涓?娆℃?ц??ユ?版??杩??匡?

?胯??ラ???辨??瀛?绗??渚?濡?涓???锛???

3.绋?搴?瀛??ㄩ??棰?

绗?????杩?娈电?搴???????浠?缁?韬?杈规病??杩?java web缂?绋?????瀛??绉?绠?????绋?搴?璁捐?″??渚?锛???涓???灏?绋?搴?杩??ㄥ?ㄦ??涓?棰???锛???浠ュ?ㄧ?绋?杩?绋?涓?娌℃??瀵瑰?甯歌?琛?澶???锛??烘??娌¤?????板???ㄦ?ч??棰?锛??垮??灏?绋?搴?澶?????锛??镐俊杩?涔???璁稿???瀛???甯?????锛?锛????朵?娌″?圭?搴??峰?????版????娉??ц?琛?浠讳????ゆ??锛?杩???绋?搴?娌℃??璋??ㄤ换浣?????杞??㈢???芥?帮???浠ョ?搴???涓?????涓?????锛??靛?碉??ユ?虫????涓???锛?璇疯?昏????oogle绛???绱㈠????ユ?炬????sp涓?????棰?????绔?锛???

???????ㄦ????

绗???????绡???绔?????????璁╂???ヨЕ杩?web缂?绋?????瀛?揩?????ラ???涓昏???璁╄韩杈圭????瀛???浠ュ????杩?瀛???杞?浠跺伐绋???浣?涓?锛?锛?绋?搴???寰?寰?绠???锛??????ㄧ?搴?瀹??颁?瀵规?版??琛ㄧ??澧????????广???ョ???ㄤ?锛??朵????藉?ㄧ?搴?涓?娌℃??浠讳???璇??ヤ??般??

绋?搴?娌℃??MVC锛????虫病??娑???Servlet??javabean????瀹逛互淇?璇??剁?????э??ㄦ?ょ??????娆″己璋?杩?绡???绔?????涓?涓???浣?涓???瀹?渚????跺????杩?ASP??PHP寮???????瀛??璁镐???瑙?杩?绡???绔?浠?缁???JSP瀹??版??浣??版??搴????规???ASP,PHP宸?涓?澶?锛?浜?瀹?涓?jsp?????ㄨ?涓???杩?浜?锛????虫??娌′汉濂藉??????瀹?渚?杩??峰??jsp锛?澶у?舵???磋叮涓?濡ㄥ??oogle??绱??EL琛ㄨ揪寮?锛???绛撅?妗??剁??璇?锛???

?跺??绗?????璇荤?靛??涓?涓???锛?韬?杈瑰??java????瀛??澶?锛???涔?娌℃??锛?锛???濂????甯????戒互杩?绡???绔?璋??ㄨ韩杈瑰??瀛??硅??归?㈢???磋叮??

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