验证码

  • VerifyUtil
package com.govcloud.msbusinessserviceprovider.util;

import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.Random;

public class VerifyUtil {
    // 验证码字符集
//    private static final char[] chars = {
//            '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
//            'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
//            'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
//            'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
//            'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};
    private static final char[] chars = {
                '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
    // 字符数量
    private static final int SIZE = 4;
    // 干扰线数量
    private static final int LINES = 2;
    // 宽度
    private static final int WIDTH = 80;
    // 高度
    private static final int HEIGHT = 33;
    // 字体大小
    private static final int FONT_SIZE = 28;

    /**
     * 生成随机验证码及图片
     * Object[0]:验证码字符串;
     * Object[1]:验证码图片。
     */
    public static Object[] createImage() {
        StringBuffer sb = new StringBuffer();
        // 1.创建空白图片
        BufferedImage image = new BufferedImage(
                WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
        // 2.获取图片画笔
        Graphics graphic = image.getGraphics();
        // 3.设置画笔颜色
        graphic.setColor(Color.WHITE);
        // 4.绘制矩形背景
        graphic.fillRect(0, 0, WIDTH, HEIGHT);
        // 5.画随机字符
        Random ran = new Random();
        for (int i = 0; i <SIZE; i++) {
            // 取随机字符索引
            int n = ran.nextInt(chars.length);
            // 设置随机颜色
            graphic.setColor(getRandomColor());
            // 设置字体大小
            graphic.setFont(new Font(
                    null, Font.BOLD + Font.ITALIC, FONT_SIZE));
            // 画字符
            graphic.drawString(
                    chars[n] + "", i * WIDTH / SIZE, HEIGHT*2/3);
            // 记录字符
            sb.append(chars[n]);
        }
        // 6.画干扰线
        for (int i = 0; i < LINES; i++) {
            // 设置随机颜色
            graphic.setColor(getRandomColor());
            // 随机画线
            graphic.drawLine(ran.nextInt(WIDTH), ran.nextInt(HEIGHT),
                    ran.nextInt(WIDTH), ran.nextInt(HEIGHT));
        }
        // 7.返回验证码和图片
        return new Object[]{sb.toString(), image};
    }

    /**
     * 生成随机数字
     * @return
     */
    public static String CreateRadomNumber(){
        StringBuilder sb = new StringBuilder();
        Random ran = new Random();
        for (int i = 0; i <SIZE; i++) {
            // 取随机字符索引
            int n = ran.nextInt(chars.length);

            // 记录字符
            sb.append(chars[n]);
        }
        return sb.toString();
    }

    /**
     * 随机取色
     */
    public static Color getRandomColor() {
        Random ran = new Random();
        Color color = new Color(ran.nextInt(256),
                ran.nextInt(256), ran.nextInt(256));
        return color;
    }
}
  • CloudODAFInfoController
    package com.govcloud.msbusinessserviceprovider.controller.odaf;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.govcloud.msbusinessserviceprovider.base.Constants;
import com.govcloud.msbusinessserviceprovider.base.ResponseModel;
import com.govcloud.msbusinessserviceprovider.base.ResponseStatus;
import com.govcloud.msbusinessserviceprovider.base.SessionEnum;
import com.govcloud.msbusinessserviceprovider.model.business.BusiSystemPersonrelation;
import com.govcloud.msbusinessserviceprovider.model.odaf.ParamModel.AccountModel;
import com.govcloud.msbusinessserviceprovider.model.odaf.;
import com.govcloud.msbusinessserviceprovider.model.system.odSysoperatelog;
import com.govcloud.msbusinessserviceprovider.service.business.IBusiSystemPersonrelationService;
import com.govcloud.msbusinessserviceprovider.service.business.ISMSInterfaceService;
import com.govcloud.msbusinessserviceprovider.service.dingding.IAuthorityService;
import com.govcloud.msbusinessserviceprovider.service.odaf.IRoleInfoService;
import com.govcloud.msbusinessserviceprovider.service.odaf.IUserNewService;
import com.govcloud.msbusinessserviceprovider.service.odaf.IUserRightInfoService;
import com.govcloud.msbusinessserviceprovider.service.system.ISysOperatelogService;
import com.govcloud.msbusinessserviceprovider.util.
;
import dm.jdbc.util.StringUtil;
import lombok.extern.log4j.Log4j2;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;
import java.util.*;
import java.util.concurrent.TimeUnit;

/**

  • 用户操作控制器定义
    */
    @Log4j2
    @RestController
    @RequestMapping("/CloudODAFInfo")
    public class CloudODAFInfoController {
    @Autowired
    IUserRightInfoService iUserRightInfoService;
    @Autowired
    IRoleInfoService iRoleInfoService;
    @Autowired
    IUserNewService iUserNewService;

    @Autowired
    private ISysOperatelogService iSysOperatelogService;

    @Autowired
    IAuthorityService iAuthorityService;

    @Autowired
    ISMSInterfaceService iSMSInterfaceService;

    @Autowired
    IBusiSystemPersonrelationService iBusiSystemPersonrelationService;

    @RequestMapping(value = "/Getcode", method = RequestMethod.GET)
    public void GetCode(HttpServletResponse response, HttpServletRequest request) throws Exception {

     HttpSession session = request.getSession();
    
     Object oldCode = session.getAttribute(SessionEnum.SESSIONIMAGECODE.getSessionname());
     if (oldCode != null) { //将前一个code值删除
         String codeKey = oldCode.toString(); //RedisUtil.getInstance().del();
         RedisUtil.getInstance().del(codeKey);
     }
    
     //利用图片工具生成图片
     //第一个参数是生成的验证码,第二个参数是生成的图片
     Object[] objs = VerifyUtil.createImage();
     //将验证码存入Session
     session.setAttribute(SessionEnum.SESSIONIMAGECODE.getSessionname(), objs[0]);
     RedisUtil.getInstance().set(objs[0].toString(), "true", 10, TimeUnit.MINUTES); //将验证码加到redis中
    
     //将图片输出给浏览器
     BufferedImage image = (BufferedImage) objs[1];
     response.setContentType("image/png");
     OutputStream os = response.getOutputStream();
     ImageIO.write(image, "png", os);
    

    }

// @GetMapping(value = "/sendmsg/{phonenumber}")
public ResponseModel SendMSMSData(@PathVariable String phonenumber) {
ResponseModel datainfo = new ResponseModel();
List phoneNumbers = Arrays.asList(phonenumber.split(","));

    iSMSInterfaceService.SendMessage(phoneNumbers, "test");
    return datainfo;
}

}

原文地址:https://www.cnblogs.com/kutoutuo/p/14181479.html