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Servlet的HttpServletResponse输出

2016-05-07 20:33 656 查看

了解其中的一些字符设置，PrintWriter输出等。。

form.html:

<!DOCTYPE html>
<html>
<head>
<title>宠物类型大调查</title>
<meta http-equiv="content-type" content="text/html ;charset=UTF-8">
</head>
<body>
<form method="post" action="pet" >
姓名:<input type="text" name="user" value=""><br>
邮件：<input type="text" name="email" value=""><br>
你喜爱的宠物代表： <br>
<select name="type" size="6" multiple="true">
<option value="猫">猫</option>
<option value="狗">狗</option>
<option value="鱼">鱼</option>
<option value="鸟">鸟</option>
</select>
<br>
<input type="submit" value="send" />

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

Pet.java:

package cc.openhome;

import java.io.IOException;
import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
* Servlet implementation class Pet
*/
@WebServlet("/pet")
public class Pet extends HttpServlet {
private static final long serialVersionUID = 1L;

/**
* @see HttpServlet#HttpServlet()
*/
public Pet() {
super();
// TODO Auto-generated constructor stub
}

/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
request.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>感谢填写</title>");
out.println("</head>");
out.println("<body>");
out.println("联系人：<a herf='mailto:"
+ request.getParameter("email") + "'>"
+ request.getParameter("user") + "</a>");
out.println("<br>喜爱的宠物类型");
for (String type : request.getParameterValues("type")) {
out.println("<li>" + type + "</li>");
}
out.println("<ul>");
out.println("</ul>");
out.println("</body>");
out.println("</html>");
out.close();
}

}

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