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浜???JavaWeb??灞???绋?
Servlet?虹?頒???
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Servlet?虹?幫?绾?Servlet寮???锛?
SUN???稿?????ㄥ??avaEE锛?Java浼?涓???锛??訛??ㄥ?轟?Servlet杩?涓?涓?瑗匡??藉??灏辨??Service+Applet锛??蟲???″?绋?搴???Servlet??浠ヨ?存??Java????涓????╃??Web瑙ｅ?蟲?規?锛?Servlet涓?????Java绫葷??缂?????甯哥被浼箋????ervlet涓???浠ラ??杩??ㄧ??琛?杈???tml绛?璇??ユ?ュ???伴〉?㈢???峰???杈??猴??版?????ㄦ?????藉??朵?灏卞???頒???琛ㄧ?般???昏????у?躲??涓??″?ㄩ?ㄦ販??ervlet绫諱腑??涓??㈢??轟?涓?绠???渚?瀛??ョ?磋?????涓?涓???
public void doGet(HttpServletRequest request,HttpServletResponse)
throws IOException,ServletException
{
response.setContentType("text/html;charset=gb2312");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>Hello World锛?</title></head>");
out.println("<body>");
out.println("<p>Hello World锛?</p>");
out.println("</body></html>");
}
杩??峰氨?ㄦ????????浜?涓?涓???瀹逛負Hello World!??HTML椤甸?㈠?ㄦ?瑙??ㄤ??劇ず??
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JSP锛?绾?JSP寮???锛?
缁?杩?绾?Servlet寮??????╂?涔???锛?Sun???稿???ㄥ?猴?????璇存???″?鹼?浜?JSP????锛??ㄧО??Java Server Page锛?JSP涓?????TML璇?瑷??存?ョ?????????杩???浠ュ?ㄧ????腑浣跨??lt;% %>??????璇?宓???ava浠ｇ??锛????舵??璐ㄤ?????缁?????涓?涓?Servlet绫繪?ョ?璇?瑙ｆ????濡???瑕?寮????鋒??澶ч??缃?椤靛??瀹圭??缃?绔?锛???浠ュ??浣跨?ㄧ?椤電?杈?宸ュ?風???缃?椤碉??跺???ㄧ?椤典腑宓??ュ???浠ｇ???沖???????ヤ?涓?绠?????渚?瀛?锛?
<html>
<head><title>娴?璇?</title></head>
<body>
?劇ず????瀹規??锛?<% String aa= ??hello?? ; out.println(aa); %>
</body>
</html>
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JSP+JavaBean锛?Model1锛?
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杩?绉?寮???妯″???涓?涓?绠???????灞? JSP锛?琛ㄧ?闆????у?跺? JavaBean锛?妯″??灞? ?╃?ㄦ??浠??闆?ㄧ??????MVC妯″???????沖?葷??锛??界?剁???浠ｇ??????瀹規??锛?浣?Jsp娣鋒?浜?MVC妯″??涓???瑙??懼????у?跺?锛?楂?搴???????缁?????Jsp浠ｇ??????澶???锛?????缁存?や??у?伴?俱???卞??????Model1寮???妯″?杞?????Model2寮???妯″?锛???ervlet+JSP+JavaBean?????朵?浣垮???eb椤圭??涓?灏?MVC璁捐?℃ā寮?瀹??般??
Servlet+JSP+JavaBean锛?Model2锛?
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涓?灞??舵??涓?MVC璁捐?℃ā寮?
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杩????ㄥ????浠?缁?涓?涓?涓?灞??舵??浠ュ??MVC璁捐?℃ā寮?锛?
涓?灞??舵??锛?
琛ㄧ?闆?锛?Web灞?锛?锛???淇?璇村氨???ㄦ?鋒???界???扮???磋??????????朵??ㄥ氨???ユ?剁?ㄦ?鋒??浜ょ??璇鋒??版??锛?浠ュ??灏?绋?搴?瀵圭?ㄦ?瘋?鋒???浜х??????搴??版????棣?缁??ㄦ?楓??????灏辨??涓虹?ㄦ?鋒??渚???浜や?????浣?????????浠ワ?琛ㄧ?闆?灏卞??宸茬???濂界??绉??ㄣ??
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MVC璁捐?℃ā寮?锛?
妯″??锛?Model锛?锛?灏?瑁??????版??婧????????轟?瀵矽?浜??版??????浣????ㄤ?涓?缁?浠朵腑锛?Model寰?寰?琛ㄧず缁?浠剁???舵??????浣??舵?????規???
瑙??撅?View锛?锛?灏?瑁?????瀵規?版??婧?Model??涓?绉??劇ず??涓?涓?妯″????浠ョ?卞?涓?瑙??撅???涓?涓?瑙??劇??璁轟?涔???浠ヤ?涓?????妯″???寵??璧鋒?ャ??
?у?跺???Control锛?锛?灏?瑁?????澶???浣??ㄤ?妯″??????浣?????甯革?杩?浜???浣?浼?杞????版ā??涓?锛?骞惰??ㄦā??涓??稿???涓?涓?????澶?涓??規???涓???Controller??odel??View涔??磋搗?頒?娌?????浣????澶????ㄦ?峰??iew涓???杈??ワ?骞惰漿??缁?Model??杩???odel??View涓よ??涔??村??浠ュ???版?炬?ｈ????锛????沖??浠ュ郊姝や??ラ??瀵規?癸?????ontroller杩??ヨ搗杩?涓や釜?ㄥ????
?蟲?わ?椤甸?㈢??琛ㄧ?扮??sp瀹??幫?杞????у?剁??ervlet瀹??幫?涓??￠?昏????ㄤ??￠?昏?灞?锛???浣??版??搴??ㄥ?????ㄦ??涔???灞?锛???宸ユ??纭?锛????稿?惰????Model1??Model2??涓?灞????ㄨВ?????虹?涓?涓?姝ユ?ヨ??????ワ???杩?瑙ｈ????浠???浠ヨ?琛?杩?涓?姝ョ???借薄锛?浠ュ?瀵圭?闆????姹??????ㄣ??杩???瑕?璇寸??灏辨??锛?浠?servlet涓??村?頒?灞??舵????杞???锛??跺???芥??涓轟?瀹??伴??????锛?浣???????涓?姝ヤ?姝ュ???涓????藉?????頒??????版?瑰???般??
ps:https://blog.csdn.net/weixin_39893958/article/details/84335159 杩????寸??浜?涓?浜??充?楂?????锛?浣?????????瀹廣??
灏?缁?
?????????绠???璇存?ヤ?涓?Javaweb??灞???绋?涓???涓?灏??ㄥ??锛??????堕?寸???ㄦ?锛????㈠???虹?頒?涓?绾?avaBean EJB绛?澶у??妗??訛????版??浠???????Spring??SpringBoot????Spring璇???涔???锛?涓昏????????ㄦ?ユ?誇唬?村??????绾х??浼?涓?绾ф???? 灏ゅ?舵??EJB锛??稿?逛?EJB?ヨ??pring??渚?浜??村??杞婚??绾у??绠?????缂?绋?妯″????瀹?澧?寮轟?绠?????寮???Java瀵矽薄POJO?????斤?浣垮?跺?峰?浜?涔???????EJB???朵?浼?涓?绾?ava瑙????????????姐??
EJB娌＄?ㄨ?锛???浠ュ氨Spring??EJB??姣?杈?浠ュ??Spring瀵逛?EJB??????浼??圭??涓?浣?杩?澶?瑙ｉ??锛?浣?浠????㈢??绉?绉???灞???绋??ョ??锛???浠??闆?ㄤ嬌?ㄧ??Spring绛??界?稿?規?ヨ?寸???????逛究浜?寰?澶?锛?妗??剁??浜х??涔?瀵?avaweb寮???褰卞????娣憋?涔?????灞???蹇??惰??褲??绠???浜?瑙ｄ?涓?Javaweb????灞?瓒??匡?涓??㈠?ㄧ戶缁?璇磋?存??浠?涓轟?涔?浼?????pring锛???pring??浼?缂虹?廣??
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