基本信息
源码名称:jsp web登陆页 入门示例
源码大小:0.21M
文件格式:.zip
开发语言:Java
更新时间:2016-01-09
   友情提示:(无需注册或充值,赞助后即可获取资源下载链接)

     嘿,亲!知识可是无价之宝呢,但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下,绝对物超所值哦!如有下载和支付问题,请联系我们QQ(微信同号):813200300

本次赞助数额为: 2 元 
   源码介绍


package wuyuanyuan.test.com;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;

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

public class LoginServlet extends HttpServlet {
	HashMap<String, String> account = new HashMap<String, String>();

	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws IOException {
		// 设置相应的类型为text/html
		response.setContentType("text/html;charset=utf-8");
		// 对于get方式 获取请求文本参数的方法 getParameter(对应的键)
		String username = request.getParameter("username");
		String password = request.getParameter("password");

		// 对客户端请求的数据进行操作
		System.out.println(username);
		boolean flag = isValid(username, password);

		String res = "";
		if (flag)
			res = "登录成功";
		else
			res = "用户名或密码错误";

		// 从HttpServletResponse得到输出流
		PrintWriter out = response.getWriter();
		// 向客户端打印HTML文本
		out.write("<div>"   res   "</div>");

		// 输出并关闭流
		out.flush();
		out.close();
	}

	private boolean isValid(String username, String password) {
		account.put("admin", "admin");
		account.put("admin1", "admin1");
		account.put("admin2", "admin2");

		return password.equals(account.get(username));
	}

}