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| | | package com.ruoyi.web.controller.common; |
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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 cn.hutool.captcha.AbstractCaptcha; |
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| | | import cn.hutool.captcha.generator.CodeGenerator; |
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| | | import cn.hutool.core.convert.Convert; |
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| | | import cn.hutool.core.util.IdUtil; |
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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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| | | import com.ruoyi.common.enums.CaptchaType; |
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| | | import com.ruoyi.common.utils.StringUtils; |
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| | | import com.ruoyi.common.utils.redis.RedisUtils; |
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| | | import com.ruoyi.common.utils.reflect.ReflectUtils; |
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| | | import com.ruoyi.common.utils.spring.SpringUtils; |
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| | | import com.ruoyi.framework.config.properties.CaptchaProperties; |
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| | | import com.ruoyi.system.service.ISysConfigService; |
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| | | import io.swagger.annotations.Api; |
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| | | import io.swagger.annotations.ApiOperation; |
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| | | import lombok.RequiredArgsConstructor; |
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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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| | | |
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| | | import java.util.HashMap; |
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| | | import java.util.Map; |
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| | | import java.util.concurrent.TimeUnit; |
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| | | |
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| | | /** |
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| | | * 验证码操作处理 |
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| | | * |
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| | | * @author ruoyi |
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| | | * |
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| | | * @author Lion Li |
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| | | */ |
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| | | @Api(value = "验证码操作处理", tags = {"验证码管理"}) |
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| | | @RequiredArgsConstructor |
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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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| | | public class CaptchaController { |
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| | | |
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| | | private final CaptchaProperties captchaProperties; |
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| | | private final ISysConfigService configService; |
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| | | |
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| | | /** |
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| | | * 生成验证码 |
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| | | */ |
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| | | @ApiOperation("生成验证码") |
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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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| | | public AjaxResult<Map<String, Object>> getCode() { |
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| | | Map<String, Object> ajax = new HashMap<>(); |
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| | | boolean captchaOnOff = configService.selectCaptchaOnOff(); |
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| | | ajax.put("captchaOnOff", captchaOnOff); |
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| | | if (!captchaOnOff) { |
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| | | return AjaxResult.success(ajax); |
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| | | } |
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| | | // 保存验证码信息 |
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| | | String uuid = IdUtil.simpleUUID(); |
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| | | String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid; |
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| | | // 生成验证码 |
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| | | CaptchaType captchaType = captchaProperties.getType(); |
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| | | boolean isMath = CaptchaType.MATH == captchaType; |
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| | | Integer length = isMath ? captchaProperties.getNumberLength() : captchaProperties.getCharLength(); |
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| | | CodeGenerator codeGenerator = ReflectUtils.newInstance(captchaType.getClazz(), length); |
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| | | AbstractCaptcha captcha = SpringUtils.getBean(captchaProperties.getCategory().getClazz()); |
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| | | captcha.setGenerator(codeGenerator); |
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| | | captcha.createCode(); |
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| | | String code = isMath ? getCodeResult(captcha.getCode()) : captcha.getCode(); |
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| | | RedisUtils.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES); |
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| | | ajax.put("uuid", uuid); |
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| | | ajax.put("img", captcha.getImageBase64()); |
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| | | return AjaxResult.success(ajax); |
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| | | } |
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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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| | | private String getCodeResult(String capStr) { |
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| | | int numberLength = captchaProperties.getNumberLength(); |
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| | | int a = Convert.toInt(StringUtils.substring(capStr, 0, numberLength).trim()); |
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| | | char operator = capStr.charAt(numberLength); |
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| | | int b = Convert.toInt(StringUtils.substring(capStr, numberLength + 1, numberLength + 1 + numberLength).trim()); |
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| | | switch (operator) { |
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| | | case '*': |
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| | | return Convert.toStr(a * b); |
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| | | case '+': |
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| | | return Convert.toStr(a + b); |
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| | | case '-': |
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| | | return Convert.toStr(a - b); |
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| | | default: |
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| | | return StringUtils.EMPTY; |
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| | | } |
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| | | } |
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| | | |
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| | | } |
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