package cn.cetc54.platform.base.controller.common;
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import cn.cetc54.platform.core.common.utils.ResultUtil;
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import cn.cetc54.platform.core.common.utils.CreateVerifyCode;
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import cn.cetc54.platform.core.common.vo.Result;
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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.data.redis.core.StringRedisTemplate;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.web.bind.annotation.*;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.util.UUID;
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import java.util.concurrent.TimeUnit;
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/**
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* @author
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*/
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@Api(description = "验证码接口")
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@RequestMapping("/platform/common/captcha")
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@RestController
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@Transactional
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public class CaptchaController {
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@Autowired
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private StringRedisTemplate redisTemplate;
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@RequestMapping(value = "/init",method = RequestMethod.GET)
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@ApiOperation(value = "初始化验证码")
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public Result<Object> initCaptcha() {
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String captchaId = UUID.randomUUID().toString().replace("-","");
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String code = new CreateVerifyCode().randomStr(4);
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// 缓存验证码
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redisTemplate.opsForValue().set(captchaId, code,2L, TimeUnit.MINUTES);
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return ResultUtil.data(captchaId);
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}
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@RequestMapping(value = "/draw/{captchaId}", method = RequestMethod.GET)
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@ApiOperation(value = "根据验证码ID获取图片")
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public void drawCaptcha(@PathVariable("captchaId") String captchaId, HttpServletResponse response) throws IOException {
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//得到验证码 生成指定验证码
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String code=redisTemplate.opsForValue().get(captchaId);
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CreateVerifyCode vCode = new CreateVerifyCode(116,36,4,10,code);
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response.setContentType("image/png");
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vCode.write(response.getOutputStream());
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}
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}
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