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手机号登录在现在的项目中用的场景非常多，实现起来也不难，今天我们就一起来通过演示实现登录过程。

一、首先需要注册个第三方的账户，比如秒嘀科技等，然后拿到三个参数值：QUERAY_PATH ACCOUNT_SIDAUTH_TOKEN

二、编写获取验证码类getMessage.java

private static final String QUERAY_PATH="xxxx";private static final String ACCOUNT_SID="xxx";private static final String AUTH_TOKEN="xxx";/** * @Title: getCode * @Description: TODO( 发送验证码 ) * @param @param phone * @param @return 设定文件 * @return String 返回类型 * @throws */public static String getCode(String phone){String ran = smsCode();String timestamp = getStamp();String sig = getMD5(ACCOUNT_SID, AUTH_TOKEN, timestamp); String tamp = "您的验证码为"+ran+"，请于{2}分钟内正确输入，如非本人操作，请忽略此短信。"; OutputStreamWriter out = null;BufferedReader br = null;StringBuilder sb = new StringBuilder();try {URL url = new URL(QUERAY_PATH);HttpURLConnection connection = (HttpURLConnection) url.openConnection();connection.setRequestMethod("POST");connection.setDoInput(true);connection.setDoOutput(true);connection.setConnectTimeout(5000);connection.setReadTimeout(10000);connection.setRequestProperty("Content-type", "application/x-www-form-urlencoded");out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");String args = getArgs(ACCOUNT_SID, tamp, phone, timestamp, sig, "JSON"); out.write(args); out.flush(); br = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));String temp="";while ((temp=br.readLine())!=null) {sb.append(temp);}} catch (Exception e) {e.printStackTrace();}JSONObject json = new JSONObject(sb.toString());String code = json.getString("respCode");String defaultrespcode = "00000"; if(defaultrespcode.equals(code)){return ran;}else{return code;}}/** * @Title: getArgs * @Description: TODO( 参数拼接 ) * @param @param accountSid * @param @param smsContent * @param @param to * @param @param timestamp * @param @param sig * @param @param respDataType * @param @return 设定文件 * @return String 返回类型 * @throws */public static String getArgs(String accountSid,String smsContent,String to,String timestamp,String sig,String respDataType){return "accountSid="+accountSid+"&smsContent="+smsContent+"&to="+to+"&timestamp="+timestamp+"&sig="+sig+"&respDataType="+respDataType;}/** * @Title: getStamp * @Description: TODO( 获取时间戳 ) * @param @return 设定文件 * @return String 返回类型 * @throws */public static String getStamp(){returnnew SimpleDateFormat("yyyyMMddHHmmss").format(new Date());}/** * @Title: getMD5 * @Description: TODO(sig签名 ) * @param @param sid * @param @param token * @param @param timestamp * @param @return 设定文件 * @return String 返回类型 * @throws */public static String getMD5(String sid,String token,String timestamp){StringBuilder sBuilder = new StringBuilder();String source = sid + token + timestamp; try {MessageDigest instance = MessageDigest.getInstance("MD5");byte[] digest = instance.digest(source.getBytes());for (byte b : digest) {String hexString = Integer.toHexString(b&0xff);if(hexString.length()==1){sBuilder.append("0"+hexString);}else{sBuilder.append(hexString);}}} catch (NoSuchAlgorithmException e) {// TODO Auto-generated catch blocke.printStackTrace();}return sBuilder.toString();}/** * @Title: smsCode * @Description: TODO( 产生验证码) * @param @return 设定文件 * @return String 返回类型 * @throws */public static String smsCode(){String random = new Random().nextInt(1000000)+"";if(random.length()!=6){return smsCode();}else{return random;}}

三、编写servlet

protected void doPost(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {resp.setCharacterEncoding("utf-8");String phone = req.getParameter("phone"); String code = GetMessage.getCode(phone);//手机号登录后HttpSession session = req.getSession();PrintWriter out = resp.getWriter();//检查手机号是否注册过checkPhoneDao checkPhoneDao = new checkPhoneImpl();boolean results = checkPhoneDao.checkPhone(phone);if(!results){out.print(code);session.setAttribute("name", "phone");}else {out.print("此手机号没有被注册");}out.close();}

四、 dao 层实现 的方法

@Overridepublic boolean checkPhone(String phone) {String sql = "select username from user where phone=?";List<Map<String, Object>> queryForList = DbUtil.queryForList(sql, phone);if(queryForList.isEmpty()){return true;}return false;}

到此，短信登录的功能已经实现了，大家可以按照我的思路尝试去实现。注：由于有的小伙伴没有框架基础，所以演示使用jsp+servlet+jdbc实现的。

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本文标题: javaweb项目如何实现手机短信登录

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