`

一个Servlet的简单实例

    博客分类：
  • java
ServletJavaEEWebXMLWindows 
阅读更多

Jsp页面 

<html>
<head>
  <meta http-equiv="Content-Type"
        content="text/html; charset=Windows-31J">
</head>
<body>

<!-- /test_web 项目名称 -->
<form method="post" action="/test_web/Test"> 
  <input type="text" name="name1"><br><br>
  
  <input type="checkbox" name="vehicle" value="car">car<br>
  <input type="checkbox" name="vehicle" value="plane">plane<br>
  <input type="checkbox" name="vehicle" value="boat">boat<br><br>

  <input type="submit" value="submit">
</form>

</body>
</html>

 Servlet类 

public class TestServlet extends HttpServlet {
	protected void processRequest(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException{
		response.setContentType("text/html; charset=Windows-31J");
		  
		response.setCharacterEncoding("Windows-31J");

		PrintWriter out = response.getWriter();
		out.println("<HTML>");
		out.println("<BODY>");
		
		out.println(request.getParameter("name1") + "<br>");
		
		String vehicle[] = request.getParameterValues("vehicle");
		if(vehicle != null){
			for (int i = 0; i < vehicle.length; i++) {
				  out.println(vehicle[i] + "<br>");
			}
		}

		out.println("</BODY>");
		out.println("</HTML>");
    }
	
	 protected void doGet(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException{
	        processRequest(request, response);
	 }
	 
	 protected void doPost(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException{
	        processRequest(request, response);
	 }
}

 web.xml配置 

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  
	<display-name>demo</display-name>
  
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>

	<servlet>    
		<servlet-name>Test</servlet-name>      
		<description>A   test   Servlet</description>    
		<servlet-class>vivi.servlet.ajax.TestServlet</servlet-class>    
	</servlet>

	<servlet-mapping>    
		<servlet-name>Test</servlet-name>    
		<url-pattern>/Test</url-pattern>    
	</servlet-mapping>
  
</web-app>
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| Java集合对象排序测试（转）
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