Merge branch 'master' of https://gitee.com/y_project/RuoYi-Vue into dev

疯狂的狮子li

2021-07-13 fd5414f82e6305eaf35297f63f9e7c95615f99e3

 ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java

@@ -1,96 +1,125 @@
package com.ruoyi.web.controller.common;



import java.awt.image.BufferedImage;

import java.io.IOException;

import java.util.concurrent.TimeUnit;

import javax.annotation.Resource;

import javax.imageio.ImageIO;

import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.util.FastByteArrayOutputStream;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.RestController;

import com.google.code.kaptcha.Producer;

import com.ruoyi.common.constant.Constants;

import com.ruoyi.common.core.domain.AjaxResult;

import com.ruoyi.common.core.redis.RedisCache;

import com.ruoyi.common.utils.sign.Base64;

import com.ruoyi.common.utils.uuid.IdUtils;

import com.ruoyi.system.service.ISysConfigService;



/**

 * 验证码操作处理

 * 
 * @author ruoyi

 */

@RestController

public class CaptchaController

{

    @Resource(name = "captchaProducer")

    private Producer captchaProducer;



    @Resource(name = "captchaProducerMath")

    private Producer captchaProducerMath;



    @Autowired

    private RedisCache redisCache;

    
    // 验证码类型

    @Value("${ruoyi.captchaType}")

    private String captchaType;

    
    @Autowired

    private ISysConfigService configService;

    /**

     * 生成验证码

     */

    @GetMapping("/captchaImage")

    public AjaxResult getCode(HttpServletResponse response) throws IOException

    {

        AjaxResult ajax = AjaxResult.success();

        boolean captchaOnOff = configService.selectCaptchaOnOff();

        ajax.put("captchaOnOff", captchaOnOff);

        if (!captchaOnOff)

        {

            return ajax;

        }



        // 保存验证码信息

        String uuid = IdUtils.simpleUUID();

        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;



        String capStr = null, code = null;

        BufferedImage image = null;



        // 生成验证码

        if ("math".equals(captchaType))

        {

            String capText = captchaProducerMath.createText();

            capStr = capText.substring(0, capText.lastIndexOf("@"));

            code = capText.substring(capText.lastIndexOf("@") + 1);

            image = captchaProducerMath.createImage(capStr);

        }

        else if ("char".equals(captchaType))

        {

            capStr = code = captchaProducer.createText();

            image = captchaProducer.createImage(capStr);

        }



        redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);

        // 转换流信息写出

        FastByteArrayOutputStream os = new FastByteArrayOutputStream();

        try

        {

            ImageIO.write(image, "jpg", os);

        }

        catch (IOException e)

        {

            return AjaxResult.error(e.getMessage());

        }



        ajax.put("uuid", uuid);

        ajax.put("img", Base64.encode(os.toByteArray()));

        return ajax;

    }

}

package com.ruoyi.web.controller.common;

import cn.hutool.captcha.AbstractCaptcha;
import cn.hutool.captcha.CircleCaptcha;
import cn.hutool.captcha.LineCaptcha;
import cn.hutool.captcha.ShearCaptcha;
import cn.hutool.captcha.generator.CodeGenerator;
import cn.hutool.captcha.generator.RandomGenerator;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.StrUtil;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.framework.captcha.UnsignedMathGenerator;
import com.ruoyi.framework.config.properties.CaptchaProperties;
import com.ruoyi.system.service.ISysConfigService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * 验证码操作处理
 *
 * @author ruoyi
 */
@RestController
public class CaptchaController {

   // 圆圈干扰验证码
   @Resource(name = "CircleCaptcha")
   private CircleCaptcha circleCaptcha;
   // 线段干扰的验证码
   @Resource(name = "LineCaptcha")
   private LineCaptcha lineCaptcha;
   // 扭曲干扰验证码
   @Resource(name = "ShearCaptcha")
   private ShearCaptcha shearCaptcha;

   @Autowired
   private RedisCache redisCache;

   @Autowired
   private CaptchaProperties captchaProperties;

   @Autowired
   private ISysConfigService configService;

   /**
    * 生成验证码
    */
   @GetMapping("/captchaImage")
   public AjaxResult getCode() {
      Map<String, Object> ajax = new HashMap<>();
      boolean captchaOnOff = configService.selectCaptchaOnOff();
      ajax.put("captchaOnOff", captchaOnOff);
      if (!captchaOnOff) {
         return AjaxResult.success(ajax);
      }
      // 保存验证码信息
      String uuid = IdUtil.simpleUUID();
      String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
      String code = null;
      // 生成验证码
      CodeGenerator codeGenerator;
      AbstractCaptcha captcha;
      switch (captchaProperties.getType()) {
         case "math":
            codeGenerator = new UnsignedMathGenerator(captchaProperties.getNumberLength());
            break;
         case "char":
            codeGenerator = new RandomGenerator(captchaProperties.getCharLength());
            break;
         default:
            throw new IllegalArgumentException("验证码类型异常");
      }
      switch (captchaProperties.getCategory()) {
         case "line":
            captcha = lineCaptcha;
            break;
         case "circle":
            captcha = circleCaptcha;
            break;
         case "shear":
            captcha = shearCaptcha;
            break;
         default:
            throw new IllegalArgumentException("验证码类别异常");
      }
      captcha.setGenerator(codeGenerator);
      captcha.createCode();
      if ("math".equals(captchaProperties.getType())) {
         code = getCodeResult(captcha.getCode());
      } else if ("char".equals(captchaProperties.getType())) {
         code = captcha.getCode();
      }
      redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
      ajax.put("uuid", uuid);
      ajax.put("img", captcha.getImageBase64());
      return AjaxResult.success(ajax);
   }

   private String getCodeResult(String capStr) {
      int numberLength = captchaProperties.getNumberLength();
      int a = Convert.toInt(StrUtil.sub(capStr, 0, numberLength).trim());
      char operator = capStr.charAt(numberLength);
      int b = Convert.toInt(StrUtil.sub(capStr, numberLength + 1, numberLength + 1 + numberLength).trim());
      switch (operator) {
         case '*':
            return a * b + "";
         case '+':
            return a + b + "";
         case '-':
            return a - b + "";
         default:
            return "";
      }
   }

}