java_web/java/com/demo/ParamServlet.java

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Java
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2024-11-25 19:06:50 +08:00
package com.demo;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/ParamServlet")
public class ParamServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=UTF-8");
String name = request.getParameter("name");
if (name == null) {
name = "未填写";
} else {
name = new String(name.getBytes("iso8859-1"), "UTF-8");
}
String age = request.getParameter("age");
if (age == null) {
age = "未填写";
}
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<meta charset=\"UTF-8\">");
out.println("</head>");
out.println("<body>");
out.println("<h3>姓名:" + name + "</h3>");
out.println("<h3>年龄:" + age + "</h3>");
out.println("</body>");
out.println("</html>");
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}