Java笔记

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Java笔记

这里以互亿无线的为例。

逻辑上为，自己的Java服务器生成随机数，然后发给那个手机短信厂家，厂家把这个随机数发给用户手机。用户提交这个验证码后，再对比。

这里互亿无线，的接口有点坑，用http，而且直接明文传输。不过还好的是，可以绑定服务器IP地址。这样也还算安全

程序运行截图如下：

输入手机号，点击获取手机验证码，获取后，点击登录，服务器那边判断，即可。

程序结构如下：

源码如下：

LoginServlet.java

import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; @WebServlet(value = "/loginDemo") public class LoginServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //1. 得到数据 String inCode = request.getParameter("mobile_code").toString().toLowerCase(); String valiCode = request.getSession().getAttribute("valiCode").toString().toLowerCase(); //2. 验证是否正确 if(inCode.equals(valiCode)){ response.sendRedirect("success.jsp"); } else{ String url = request.getHeader("Referer"); response.sendRedirect(url); } } }

SMSServlet.java

import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStream; import java.HttpURLConnection; import java.URL; @WebServlet(value = "/sms") public class SMSServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ // 接口类型：互亿无线触发短信接口，支持发送验证码短信、订单通知短信等。 // 账户注册：请通过该地址开通账户sms.ihuyi/register.html // 注意事项： //（1）调试期间，请使用用系统默认的短信内容：您的验证码是：【变量】。请不要把验证码泄露给其他人。； //（2）请使用APIID（查看APIID请登录用户中心->验证码短信->产品总览->APIID）及 APIkey来调用接口； //（3）该代码仅供接入互亿无线短信接口参考使用，客户可根据实际需要自行编写； String postUrl = "106.ihuyi/webservice/sms.php?method=Submit"; int mobile_code = (int)((Math.random()*9+1)*100000); //获取随机数 request.getSession().setAttribute("valiCode", mobile_code); String account = "xxxxxxxxxx"; //查看用户名是登录用户中心->验证码短信->产品总览->APIID String password = "xxxxxxxxxxxxxxxxxxxxxxx"; //查看密码请登录用户中心->验证码短信->产品总览->APIKEY String mobile = request.getParameter("mobile"); String content = new String("您的验证码是：" + mobile_code + "。请不要把验证码泄露给其他人。"); try { URL url = new URL(postUrl); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoOutput(true);//允许连接提交信 connection.setRequestMethod("POST");//网页提交方式“GET”、“POST” connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); connection.setRequestProperty("Connection", "Keep-Alive"); StringBuffer sb = new StringBuffer(); sb.append("account="+account); sb.append("&password="+password); sb.append("&mobile="+mobile); sb.append("&content="+content); OutputStream os = connection.getOutputStream(); os.write(sb.toString().getBytes()); os.close(); String line, result = ""; BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "utf-8")); while ((line = in.readLine()) != null) { result += line + "\\n"; } in.close(); response.setCharacterEncoding("utf-8"); response.getWriter().write(result); } catch (IOException e) { e.printStackTrace(System.out); } } }

web.xml

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "java.sun/dtd/web-app_2_3.dtd" > <web-app> <display-name>Archetype Created Web Application</display-name> </web-app>

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!doctype html> <html> <head> <title>demo</title> </head> <script type="text/javascript"src="code.jquery/jquery-latest.js"></script> <script language="javascript"> function get_mobile_code(){ $.post('sms', {mobile:jQuery.trim($('#mobile').val())}, function(msg) { if(msg.indexOf('提交成功')>=0){ RemainTime(); }else{ $("#err").text("验证码错误！"); } }); }; var iTime = 59; var Account; function RemainTime(){ document.getElementById('zphone').disabled = true; var iSecond,sSecond="",sTime=""; if (iTime >= 0){ iSecond = parseInt(iTime%60); iMinute = parseInt(iTime/60) if (iSecond >= 0){ if(iMinute>0){ sSecond = iMinute + "分" + iSecond + "秒"; }else{ sSecond = iSecond + "秒"; } } sTime=sSecond; if(iTime==0){ clearTimeout(Account); sTime='获取手机验证码'; iTime = 59; document.getElementById('zphone').disabled = false; }else{ Account = setTimeout("RemainTime()",1000); iTime=iTime-1; } }else{ sTime='没有倒计时'; } document.getElementById('zphone').value = sTime; } </script> <body> <form action="loginDemo" method="post" name="formUser"> <label>手机</label> <input id="mobile" name="mobile" type="text" size="25" /><br/> <label>手机验证码</label> <input type="text" id="mobile_code" name="mobile_code" /><br/> <input id="zphone" type="button" value=" 获取手机验证码 " onClick="get_mobile_code()" /><br/> <input type="submit" value="登录" id="btnOK" /> </form> </body> </html>

success.jsp

<%-- Created by IntelliJ IDEA. User: cff Date: 2020/2/2 Time: 11:15 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> <h1>SUCCESS</h1> </body> </html>

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