SERVLET用例

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JSP页面

<html>

<head>
<title>使用过滤器改变请求编码</title>
<meta http-equiv="Content-Type" content="text/html;charset=GB2312">
</head>
<body>
<center>
<h2>请输入用户名和口令：</h2>
<form method="post" action="servlet/Checkinfo">
<table>
<tr>
<td>用户名：</td>
<td><input name="name" type="text"></td>
</tr>
<tr>
<td>口令：</td>
<td><input name="pass" type="password"></td>
</tr>
<tr>
<td></td>
<td>
<input name="ok" type="submit" value="提交">
<input name="cancel" type="reset" value="重置">
</td>
</tr>
</table>
</form>
</center>
</body>

</html>

java文件

package servlet;

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("/Check")
public class Check extends HttpServlet {
private static final long serialVersionUID = 1L;

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

/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
String name = request.getParameter("name");
String pass = request.getParameter("pass");
response.setContentType("text/html;charset=gb2312");
PrintWriter out = response.getWriter();

out.println("<html><head><title>Param Test</title></head>");
out.println("<h3 align=center>你的用户名为："+name+"</h3>");
out.println("<h3 align=center>你的口令为："+pass+"</h3>");
out.println("</body></html>");
}

/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}

}

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