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【J2EE系列】—徒手建立Web應用（HTML+Servlet+Tomcat）導讀功能簡介實作過程總結
瀹炵幇杩囩▼
銆?銆戠紪鍐橦TML
<html>
<head>
<title>鐧誨綍
</title>
</head>
<body>
<form method="get">
鐢ㄦ埛锛?lt;input type="text" name="username">
瀵嗙爜锛?lt;input type="password" name="password">
<input type="submit" value="鐧誨綍">
</form>
</body>
</html>
銆?銆戠紪鍐欏苟缂栬瘧Servlet
- 缂栧啓Servlet浠ｇ爜
public class LoginServlet extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException,
IOException {
//鑾峰緱鐢ㄦ埛浼犳潵鐨勫弬鏁幫紝鍙傛暟鍚嶇О鍗砯orm琛ㄥ崟涓?lt;input>鐨刵ame灞炴€? String username=request.getParameter("username");
String password=request.getParameter("password");
//鍦ㄥ懡浠ょ獥鍙ｈ緭鍑虹敤鎴峰悕鍜屽瘑鐮? System.out.println("username="+ username);
System.out.println("password=" + password);
//灏嗘彁绀轟俊鎭緭鍑哄埌缃戦〉涓? response.setContentType("text/html;charset=GBK");
response.getWriter().println("鎴愬姛Success!!!");
}
}
- 缂栬瘧.java鏂囦歡
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【J2EE系列】—徒手建立Web應用（HTML+Servlet+Tomcat）導讀功能簡介實作過程總結
- 瑙ｅ喅缂栬瘧鍑虹幇鐨勯棶棰樺苟閲嶆柊鐢熸垚
銆€銆€鍦↙oginServlet.java涓紩鍏ュ懡鍚嶇┖闂?
import java.io.*;//IOException鎵€鍦ㄧ殑鍛藉悕绌洪棿
import javax.servlet.*;//ServletException鎵€鍦ㄥ懡鍚嶇┖闂? import javax.servlet.http.*;//HttpServlet銆丠ttpServletRequest銆丠ttpServletResponse鎵€鍦ㄥ懡鍚嶇┖闂?
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【J2EE系列】—徒手建立Web應用（HTML+Servlet+Tomcat）導讀功能簡介實作過程總結
- 鎴愬姛鐢熸垚.class鏂囦歡
銆?銆戦儴缃插埌Tomcat
- 鍦╳ebapps鏂闆緩椤圭洰鐩綍缁撴瀯
- 灏唋ogin.html銆丩oginServlet.class銆亀eb.xml鎷峰埌鐩稿簲鐨勬枃浠跺す涓?/li>
【J2EE系列】—徒手建立Web應用（HTML+Servlet+Tomcat）導讀功能簡介實作過程總結 【J2EE系列】—徒手建立Web應用（HTML+Servlet+Tomcat）導讀功能簡介實作過程總結 【J2EE系列】—徒手建立Web應用（HTML+Servlet+Tomcat）導讀功能簡介實作過程總結 銆?銆戦厤缃甔ML
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0"
metadata-complete="true">
<servlet>
<servlet-name>MyServlet</servlet-name>
<servlet-class>LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>MyServlet</servlet-name>
<url-pattern>/LoginServlet</url-pattern>
</servlet-mapping>
</web-app>
銆€銆€娉細servlet-name锛寀rl-pattern鍚嶇О鍙互闅忎究璧鳳紝鈥?鈥濊〃绀烘牴鐩綍
銆?銆戜慨鏀笻TML涓婅〃鍗曠殑鎻愪氦璺緞
銆€娉ㄦ剰锛氳繖閲岀殑Action瑕佸拰urlPattern涓殑鍐呭涓€鑷?
銆?銆戝惎鍔ㄨ闂?
http://localhost:8080/test_servlet/login.html
鎬葷粨
銆€銆€Servlet璁塊棶娴佺▼
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【J2EE系列】—徒手建立Web應用（HTML+Servlet+Tomcat）導讀功能簡介實作過程總結 銆€銆€鍐呴儴浼氳闂甋ervice鏂規硶锛岀敱Service鏂規硶鍐呴儴鍐沖畾璋冪敤doGet杩樻槸doPost
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<html>
<head>
<title>鐧誨綍
</title>
</head>
<body>
<form method="get">
鐢ㄦ埛锛?lt;input type="text" name="username">
瀵嗙爜锛?lt;input type="password" name="password">
<input type="submit" value="鐧誨綍">
</form>
</body>
</html>
public class LoginServlet extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException,
IOException {
//鑾峰緱鐢ㄦ埛浼犳潵鐨勫弬鏁幫紝鍙傛暟鍚嶇О鍗砯orm琛ㄥ崟涓?lt;input>鐨刵ame灞炴€? String username=request.getParameter("username");
String password=request.getParameter("password");
//鍦ㄥ懡浠ょ獥鍙ｈ緭鍑虹敤鎴峰悕鍜屽瘑鐮? System.out.println("username="+ username);
System.out.println("password=" + password);
//灏嗘彁绀轟俊鎭緭鍑哄埌缃戦〉涓? response.setContentType("text/html;charset=GBK");
response.getWriter().println("鎴愬姛Success!!!");
}
}
銆€銆€瀹氫綅鍒闆垰鍒氱紪鍐欑殑绫繪墍鍦ㄧ殑璺緞锛屽苟鍦ㄥ懡浠ょ獥鍙ｆ墽琛宩avac LoginServlet.java
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【J2EE系列】—徒手建立Web應用（HTML+Servlet+Tomcat）導讀功能簡介實作過程總結
import java.io.*;//IOException鎵€鍦ㄧ殑鍛藉悕绌洪棿
import javax.servlet.*;//ServletException鎵€鍦ㄥ懡鍚嶇┖闂? import javax.servlet.http.*;//HttpServlet銆丠ttpServletRequest銆丠ttpServletResponse鎵€鍦ㄥ懡鍚嶇┖闂? 銆€銆€閰嶇疆jar鍖呯幆澧冨彉閲?
銆€銆€鐢變簬鎴戜箣鍓嶉厤缃繃jdk鐜鍙橀噺锛屾墍浠ava.io鎵€鍦ㄧ殑jar鍖呭湪缂栬瘧鏃跺彲浠ユ壘鍒般€備笉鐢ㄥ啀杩涜閰嶇疆銆?
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<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0"
metadata-complete="true">
<servlet>
<servlet-name>MyServlet</servlet-name>
<servlet-class>LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>MyServlet</servlet-name>
<url-pattern>/LoginServlet</url-pattern>
</servlet-mapping>
</web-app>
銆€銆€娉細servlet-name锛寀rl-pattern鍚嶇О鍙互闅忎究璧鳳紝鈥?鈥濊〃绀烘牴鐩綍
銆?銆戜慨鏀笻TML涓婅〃鍗曠殑鎻愪氦璺緞
銆€娉ㄦ剰锛氳繖閲岀殑Action瑕佸拰urlPattern涓殑鍐呭涓€鑷?
銆?銆戝惎鍔ㄨ闂?
http://localhost:8080/test_servlet/login.html
銆€銆€Servlet璁塊棶娴佺▼
銆€銆€
銆€銆€鍐呴儴浼氳闂甋ervice鏂規硶锛岀敱Service鏂規硶鍐呴儴鍐沖畾璋冪敤doGet杩樻槸doPost
銆€銆€鍦ㄥ鎵炬煇涓叿浣撶殑Servlet鏃訛紝鍏堟牴鎹闂礬寰勫苟渚濇嵁閰嶇疆鏂囦歡锛屾壘鍒癝ervlet鍚嶇О锛屽啀鎵懼埌鍏蜂綋鐨刢lass鏂囦歡
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