短信驗證碼

Servlet

package com.dongbin.sendphone;

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

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

import com.alibaba.fastjson.JSON;




public class SendMailServlet extends HttpServlet{
    
    private static final long serialVersionUID = 1L;
    private static String Message ="驗證碼發送失敗";

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) 
            throws ServletException, IOException { 
        doPost(request, response);
    }
    
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) 
            throws ServletException, IOException { 
        String phone = request.getParameter("phone");                
        String codeUniqueId = "";
        Random random = new Random();  
        int numb = random.nextInt(899999)+100000;
        codeUniqueId=numb+"";
        String codeContent="本次的驗證碼爲:"+codeUniqueId+"，(爲了您的帳戶安全，請勿將驗證碼轉告他人)";
        if(checkTimeCode(1, request)){
            Phone.sentPhone(phone, codeContent);
            Message = "驗證碼已經發送，請注意查收";
        }
        
        
        
        
        Map<String, String> map = new HashMap<String, String>();
        map.put("data", Message);        
        HttpSession session = request.getSession();
        session.setAttribute("code", codeUniqueId);
        
           response.setContentType("application/json;charset=UTF-8");
           PrintWriter out = response.getWriter();
           out.print(JSON.toJSONString(map).toString());
           out.flush();   
           out.close();
        
    }
    
    protected boolean checkTimeCode(long seconds,HttpServletRequest request){            
            Object codeInteceptor = request.getSession().getAttribute("times");
            if(codeInteceptor != null){
                long currTime = System.currentTimeMillis();
                long remainTime = currTime -Long.parseLong(codeInteceptor.toString());        
                
                long get_time = seconds*60*1000;
                if(remainTime < get_time){
                    Message = "請您"+ (get_time - remainTime)/(1000) + " 秒後，從新獲取驗證碼";
                    return false;
                }else{
                    request.getSession(true).setAttribute("times", System.currentTimeMillis());
                    return true;
                }                
            }else{
                request.getSession(true).setAttribute("times", System.currentTimeMillis());
                return true;
            }
       }

    
}

Phone類

package com.dongbin.sendphone;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.PostMethod;



public class Phone {

    /**
     * @param phone：手機號碼
     * @param content：內容
     * @return
     * @throws UnsupportedEncodingException 
     */
    public static String  sentPhone(String phone,String content) throws UnsupportedEncodingException{
         String username = "";  //發送短信帳戶
         String password = "";  //發送短信密碼
         String newContent = URLEncoder.encode(content, "UTF-8");
         newContent =URLDecoder.decode(content,"UTF-8")+"【Test】";
         String url = "";
         String result = sendSms(url,username,password,phone,newContent);
        
         return result;
    }
    
    /**
     * 短信發送
     * @param url
     * @param username
     * @param password
     * @param mobile
     * @param content
     * @return 發送響應結果
     */
    public static String sendSms(String url, String username, String password, String mobile, String content){
           String response = null;           
           PostMethod postMethod = new PostMethod(url);
           postMethod.getParams().setContentCharset("UTF-8");
           postMethod.addParameter("account", username);
           postMethod.addParameter("password",password);
           postMethod.addParameter("destmobile", mobile);
           postMethod.addParameter("sendDateTime","");
           postMethod.addParameter("msgText", content);
           
            HttpClient httpClient = new HttpClient();
            int statusCode=0;
           try {
               statusCode=httpClient.executeMethod(postMethod);
               if(statusCode== HttpStatus.SC_OK){ 
                   response = postMethod.getResponseBodyAsString();
               }else {
                   System.out.println("=====statusCode===="+statusCode);
                }
           } catch (Exception e) {
               e.printStackTrace();
           }finally{
               postMethod.releaseConnection(); 
           }
           System.out.println("響應結果爲："+response);
          
           return response;
    }
    
    public static String convertStreamToString(InputStream is) {      
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));      
        StringBuilder sb = new StringBuilder();      
        String line = null;      
        try {      
            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }
        } catch (IOException e) {
           
        } finally {
            try {    
                is.close();
            } catch (IOException e) {
               
            }
        }  
        return sb.toString();
    }   
}

CheckPhoneServlet類

package com.dongbin.sendphone;

import java.io.IOException;
import java.io.PrintWriter;

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

/**
 * 檢查短信驗證碼
 * @author dongbin
 *
 */
public class CheckPhoneServlet extends HttpServlet{

    
    private static final long serialVersionUID = 1L;
    

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) 
            throws ServletException, IOException { 
        doPost(request, response);
    }
    
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) 
            throws ServletException, IOException { 
        HttpSession session = request.getSession(false);
        String codeUniqueId = String.valueOf(session.getAttribute("code"));
        String  code = request.getParameter("code");
        String message = "短信驗證碼錯誤";
        if(codeUniqueId.equals(code)){
             message = "短信驗證碼正確";
        }
        
         response.setContentType("text/html;charset=utf-8");  
            PrintWriter out = response.getWriter();  
            out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");  
            out.println("<HTML>");  
            out.println("  <HEAD><TITLE>驗證結果：</TITLE></HEAD>");  
            out.println("  <BODY>");  
            out.println(message);
            out.println("  </BODY>");  
            out.println("</HTML>");  
            out.flush();  
            out.close();
        
    }

}