| | |
| | | package com.ruoyi.web.controller.common;
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| | |
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| | | import java.io.ByteArrayOutputStream;
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| | | import java.io.IOException;
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| | | import java.util.concurrent.TimeUnit;
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| | | import javax.servlet.http.HttpServletResponse;
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| | | import org.springframework.beans.factory.annotation.Autowired;
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| | | import org.springframework.web.bind.annotation.GetMapping;
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| | | import org.springframework.web.bind.annotation.RestController;
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| | | import com.ruoyi.common.constant.Constants;
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| | | import com.ruoyi.common.core.domain.AjaxResult;
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| | | import com.ruoyi.common.core.redis.RedisCache;
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| | | import com.ruoyi.common.utils.VerifyCodeUtils;
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| | | import com.ruoyi.common.utils.sign.Base64;
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| | | import com.ruoyi.common.utils.uuid.IdUtils;
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| | |
|
| | | /**
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| | | * 验证码操作处理
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| | | * |
| | | * @author ruoyi
|
| | | */
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| | | @RestController
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| | | public class CaptchaController
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| | | {
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| | | @Autowired
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| | | private RedisCache redisCache;
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| | |
|
| | | /**
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| | | * 生成验证码
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| | | */
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| | | @GetMapping("/captchaImage")
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| | | public AjaxResult getCode(HttpServletResponse response) throws IOException
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| | | {
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| | | // 生成随机字串
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| | | String verifyCode = VerifyCodeUtils.generateVerifyCode(4);
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| | | // 唯一标识
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| | | String uuid = IdUtils.simpleUUID();
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| | | String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
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| | |
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| | | redisCache.setCacheObject(verifyKey, verifyCode, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
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| | | // 生成图片
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| | | int w = 111, h = 36;
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| | | ByteArrayOutputStream stream = new ByteArrayOutputStream();
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| | | VerifyCodeUtils.outputImage(w, h, stream, verifyCode);
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| | | try
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| | | {
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| | | AjaxResult ajax = AjaxResult.success();
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| | | ajax.put("uuid", uuid);
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| | | ajax.put("img", Base64.encode(stream.toByteArray()));
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| | | return ajax;
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| | | }
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| | | catch (Exception e)
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| | | {
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| | | e.printStackTrace();
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| | | return AjaxResult.error(e.getMessage());
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| | | }
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| | | finally
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| | | {
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| | | stream.close();
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| | | }
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| | | }
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| | | }
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| | | package com.ruoyi.web.controller.common; |
| | | |
| | | import cn.hutool.captcha.AbstractCaptcha; |
| | | import cn.hutool.captcha.generator.CodeGenerator; |
| | | import cn.hutool.core.convert.Convert; |
| | | import cn.hutool.core.util.IdUtil; |
| | | import com.ruoyi.common.constant.Constants; |
| | | import com.ruoyi.common.core.domain.AjaxResult; |
| | | import com.ruoyi.common.core.redis.RedisCache; |
| | | import com.ruoyi.common.enums.CaptchaType; |
| | | import com.ruoyi.common.utils.StringUtils; |
| | | import com.ruoyi.common.utils.reflect.ReflectUtils; |
| | | import com.ruoyi.common.utils.spring.SpringUtils; |
| | | 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 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 { |
| | | |
| | | @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; |
| | | // 生成验证码 |
| | | CaptchaType captchaType = captchaProperties.getType(); |
| | | boolean isMath = CaptchaType.MATH == captchaType; |
| | | Integer length = isMath ? captchaProperties.getNumberLength() : captchaProperties.getCharLength(); |
| | | CodeGenerator codeGenerator = ReflectUtils.newInstance(captchaType.getClazz(), length); |
| | | AbstractCaptcha captcha = SpringUtils.getBean(captchaProperties.getCategory().getClazz()); |
| | | captcha.setGenerator(codeGenerator); |
| | | captcha.createCode(); |
| | | String code = isMath ? getCodeResult(captcha.getCode()) : 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(StringUtils.substring(capStr, 0, numberLength).trim()); |
| | | char operator = capStr.charAt(numberLength); |
| | | int b = Convert.toInt(StringUtils.substring(capStr, numberLength + 1, numberLength + 1 + numberLength).trim()); |
| | | switch (operator) { |
| | | case '*': |
| | | return Convert.toStr(a * b); |
| | | case '+': |
| | | return Convert.toStr(a + b); |
| | | case '-': |
| | | return Convert.toStr(a - b); |
| | | default: |
| | | return StringUtils.EMPTY; |
| | | } |
| | | } |
| | | |
| | | } |