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vip21-javaweb
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end

wuheng 2 years ago
parent
4726f120eb
commit
9fc710872c
6 changed files with 44 additions and 7 deletions
Split View Show Diff Stats
  1. 1 0
      .gitignore
  2. BIN
      day08/HTTP&Tomcat&Servlet.pdf
  3. BIN
      day08/Tomcat-day08.pdf
  4. 7 4
      day08/src/com/lovecoding/servlet/DemoServlet.java
  5. 23 0
      day08/src/com/lovecoding/servlet/HttpDemoServlet.java
  6. 13 3
      day08/web/WEB-INF/web.xml

+ 1 - 0
.gitignore
View File 

@@ -48,3 +48,4 @@ nbdist/
 
 
 
 production/*
 
+out/*

BIN
day08/HTTP&Tomcat&Servlet.pdf
View File


BIN
day08/Tomcat-day08.pdf
View File


+ 7 - 4
day08/src/com/lovecoding/servlet/DemoServlet.java
View File 

@@ -17,31 +17,34 @@ public class DemoServlet implements Servlet {
 
          * 我们只需要在 web.xml 里面定义 URL 匹配路径 并指定Servlet 处理类
 
          * 我们就可以接到前端的请求, web.xml 是Tomcat的配置档
 
          */
 
-        System.out.println( "OK" );
 
+        //System.out.println( "OK" );
 
+        //System.out.println( "我是中国人" );
 
         PrintWriter writer = servletResponse.getWriter();
 
         String msg = "<html> <body><h1> HELLO SERVLET!!!! </h1></body> </html>";
 
         writer.print(msg);
 
-
 
-
 
-
 
     }
 
 
     @Override
 
     public void init(ServletConfig servletConfig) throws ServletException {
 
+        System.out.println( "ServLet 初始化" );
 
     }
 
     @Override
 
     public ServletConfig getServletConfig() {
 
+        System.out.println( "ServLet 取配置档" );
 
         return null;
 
     }
 
     @Override
 
     public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
 
+        System.out.println( "ServLet 处理业务消息" );
 
         test(servletResponse);
 
     }
 
     @Override
 
     public String getServletInfo() {
 
+        System.out.println( "ServLet 获取Servlet信息" );
 
         return null;
 
     }
 
     @Override
 
     public void destroy() {
 
+        System.out.println( "ServLet 销毁" );
 
     }
 
 }

+ 23 - 0
day08/src/com/lovecoding/servlet/HttpDemoServlet.java
View File 

@@ -0,0 +1,23 @@
 
+package com.lovecoding.servlet;
 
+
 
+import javax.servlet.ServletException;
 
+import javax.servlet.http.HttpServlet;
 
+import javax.servlet.http.HttpServletRequest;
 
+import javax.servlet.http.HttpServletResponse;
 
+import java.io.IOException;
 
+
 
+public class HttpDemoServlet extends HttpServlet{
 
+
 
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
 
+        resp.addHeader("Content-Type","text/html;charset=utf-8");
 
+        resp.setCharacterEncoding("UTF-8");
 
+        resp.getWriter().print("你好 HttpServlet");
 
+    }
 
+
 
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
 
+        resp.addHeader("Content-Type","text/html;charset=utf-8");
 
+        resp.setCharacterEncoding("UTF-8");
 
+        resp.getWriter().print("你好 HttpServlet");
 
+    }
 
+
 
+}

+ 13 - 3
day08/web/WEB-INF/web.xml
View File 

@@ -6,13 +6,23 @@
 
 
 
     <servlet>
 
-        <servlet-name>Demo</servlet-name>
 
-        <servlet-class>com.lovecoding.servlet.DemoServlet</servlet-class>
 
-    </servlet>
 
+    <servlet-name>Demo</servlet-name>
 
+    <servlet-class>com.lovecoding.servlet.DemoServlet</servlet-class>
 
+</servlet>
 
     <servlet-mapping>
 
         <servlet-name>Demo</servlet-name>
 
         <url-pattern>/demo</url-pattern>
 
     </servlet-mapping>
 
 
 
+    <servlet>
 
+        <servlet-name>HttpDemo</servlet-name>
 
+        <servlet-class>com.lovecoding.servlet.HttpDemoServlet</servlet-class>
 
+    </servlet>
 
+    <servlet-mapping>
 
+        <servlet-name>HttpDemo</servlet-name>
 
+        <url-pattern>/http</url-pattern>
 
+    </servlet-mapping>
 
+
 
+
 
 </web-app>