关于ServletletRequest代码

最新推荐文章于 2023-06-05 09:26:28 发布

苏轼的红烧肉

最新推荐文章于 2023-06-05 09:26:28 发布

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package j2ee0621;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Enumeration;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class RegisterServlet extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
this.doPost(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//获得请求方式
		System.out.println("请求方法:"+request.getMethod());
		System.out.println("URL:"+request.getRequestURL());
		System.out.println("URI:"+request.getRequestURI());
		System.out.println("ip:"+request.getRemoteAddr());
		//获取所有的参数信息
		String name=request.getParameter("userName");
		String pwd=request.getParameter("password");
		String sex=request.getParameter("sex");
		String [] hobby=request.getParameterValues("hobby");
		String degree=request.getParameter("degree");
		

		System.out.println("userName"+name);
		System.out.println("password"+pwd);
		System.out.println("sex"+sex);
	for(int i=0;i<hobby.length;i++){
		System.out.print("爱好："+hobby[i]);
	}
	System.out.println();
		System.out.println("学历"+degree);
		
	//获得所有的请求参数名	
		Enumeration<String> enu= request.getParameterNames();
		while(enu.hasMoreElements()){
			System.out.println(enu.nextElement());
		}
		
		//if(hobby!=null){
		//System.out.println("爱好："+Arrays.toString(hobby));
		//}
		
		response.setContentType("text/html ;charset=UTF-8");
		PrintWriter out = response.getWriter();
		out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

}

package j2ee0621;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class FirstServlet extends HttpServlet {
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		  response.setContentType("text/html ;charset=UTF-8");
//返回hello world
	 PrintWriter out=response.getWriter();
	 out.println("<html><body>hello world</body></html>");
	 out.close();
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
       this.doGet(request, response);
	}
}

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>reg.html</title>
	
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="this is my page">
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    
    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->

  </head>
  
  <body>
   <form action="reg" method="post">
   userName<input type="text" name="userName"/><br/>
password<input type="text" name="password"/><br/>
sex：<input type="radio" name="sex" value="male" checked/>男
<input type="radio" name="sex" value="female" checked/>女<br/>

爱好：<input type="checkbox" value="足球" name="hobby"/>足球
<input type="checkbox" value="棒球" name="hobby"/>棒球
<input type="checkbox" value="羽毛球" name="hobby"/>羽毛球
<input type="checkbox" value="篮球" name="hobby"/>篮球<br/>

学历：<select name="degree">
<option value="1">小学 </option>
<option value="2"> 初中</option>
<option value="3"> 高中</option>
<option value="4"> 大学</option>
</select>
   <input type="submit" value="注册"/>

   </form>
   
  </body>
</html>