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();
}
}
时间： 2024-11-16 16:30:07