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+package com.zhongzheng.controller.cmmon;
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+
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+import cn.hutool.captcha.AbstractCaptcha;
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+import cn.hutool.captcha.CircleCaptcha;
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+import cn.hutool.captcha.LineCaptcha;
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+import cn.hutool.captcha.ShearCaptcha;
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+import cn.hutool.captcha.generator.CodeGenerator;
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+import cn.hutool.captcha.generator.MathGenerator;
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+import cn.hutool.captcha.generator.RandomGenerator;
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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 cn.hutool.core.util.StrUtil;
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+import com.github.xiaoymin.knife4j.annotations.ApiSupport;
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+import com.github.xiaoymin.knife4j.annotations.DynamicParameter;
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+import com.github.xiaoymin.knife4j.annotations.DynamicResponseParameters;
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+import com.zhongzheng.common.constant.Constants;
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+import com.zhongzheng.common.core.domain.AjaxResult;
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+import com.zhongzheng.common.core.redis.RedisCache;
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+import io.swagger.annotations.Api;
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+import io.swagger.annotations.ApiOperation;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.beans.factory.annotation.Value;
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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 javax.annotation.Resource;
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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 hjl
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+ */
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+@Api(tags ="系统操作管理")
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+@ApiSupport(order = 1)
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+@RestController
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+public class CaptchaController {
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+
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+ // 圆圈干扰验证码
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+ @Resource(name = "CircleCaptcha")
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+ private CircleCaptcha circleCaptcha;
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+ // 线段干扰的验证码
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+ @Resource(name = "LineCaptcha")
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+ private LineCaptcha lineCaptcha;
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+ // 扭曲干扰验证码
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+ @Resource(name = "ShearCaptcha")
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+ private ShearCaptcha shearCaptcha;
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+
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+ @Autowired
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+ private RedisCache redisCache;
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+
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+ // 验证码类型
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+ @Value("${captcha.captchaType}")
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+ private String captchaType;
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+ // 验证码类别
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+ @Value("${captcha.captchaCategory}")
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+ private String captchaCategory;
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+ // 数字验证码位数
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+ @Value("${captcha.captchaNumberLength}")
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+ private int numberLength;
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+ // 字符验证码长度
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+ @Value("${captcha.captchaCharLength}")
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+ private int charLength;
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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("")
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+ @DynamicResponseParameters(name = "CodeMapModel",properties = {
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+ @DynamicParameter(name = "uuid",value = "验证码uuid"),
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+ @DynamicParameter(name = "img",value = "验证码图片base64"),
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+ })
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+ @GetMapping("/captchaImage")
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+ public AjaxResult getCode() {
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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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+ String code = null;
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+ // 生成验证码
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+ CodeGenerator codeGenerator;
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+ AbstractCaptcha captcha;
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+ switch (captchaType) {
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+ case "math":
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+ codeGenerator = new MathGenerator(numberLength);
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+ break;
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+ case "char":
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+ codeGenerator = new RandomGenerator(charLength);
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+ break;
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+ default:
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+ throw new IllegalArgumentException("验证码类型异常");
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+ }
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+ switch (captchaCategory) {
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+ case "line":
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+ captcha = lineCaptcha;
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+ break;
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+ case "circle":
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+ captcha = circleCaptcha;
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+ break;
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+ case "shear":
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+ captcha = shearCaptcha;
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+ break;
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+ default:
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+ throw new IllegalArgumentException("验证码类别异常");
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+ }
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+ captcha.setGenerator(codeGenerator);
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+ captcha.createCode();
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+ if ("math".equals(captchaType)) {
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+ code = getCodeResult(captcha.getCode());
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+ } else if ("char".equals(captchaType)) {
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+ code = captcha.getCode();
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+ }
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+ redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
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+ Map<String,Object> map = new HashMap();
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+ map.put("uuid", uuid);
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+ map.put("img", captcha.getImageBase64());
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+ return AjaxResult.success(map);
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+ }
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+
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+ private String getCodeResult(String capStr) {
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+ int a = Convert.toInt(StrUtil.sub(capStr, 0, numberLength).trim());
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+ char operator = capStr.charAt(numberLength);
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+ int b = Convert.toInt(StrUtil.sub(capStr, numberLength + 1, numberLength + 1 + numberLength).trim());
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+ switch (operator) {
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+ case '*':
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+ return a * b + "";
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+ case '+':
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+ return a + b + "";
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+ case '-':
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+ return a - b + "";
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+ default:
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+ return "";
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+ }
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+ }
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+
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+}
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yangdamao