| 提交 | 用户 | 时间 | ||
| e57a89 | 1 | package com.jcdm.web.controller.common; |
| 懒 | 2 | |
| 3 | import java.awt.image.BufferedImage; | |
| 4 | import java.io.IOException; | |
| 5 | import java.util.concurrent.TimeUnit; | |
| 6 | import javax.annotation.Resource; | |
| 7 | import javax.imageio.ImageIO; | |
| 8 | import javax.servlet.http.HttpServletResponse; | |
| 9 | import org.springframework.beans.factory.annotation.Autowired; | |
| 10 | import org.springframework.util.FastByteArrayOutputStream; | |
| 11 | import org.springframework.web.bind.annotation.GetMapping; | |
| 12 | import org.springframework.web.bind.annotation.RestController; | |
| 13 | import com.google.code.kaptcha.Producer; | |
| 14 | import com.jcdm.common.config.MesConfig; | |
| 15 | import com.jcdm.common.constant.CacheConstants; | |
| 16 | import com.jcdm.common.constant.Constants; | |
| 17 | import com.jcdm.common.core.domain.AjaxResult; | |
| 18 | import com.jcdm.common.core.redis.RedisCache; | |
| 19 | import com.jcdm.common.utils.sign.Base64; | |
| 20 | import com.jcdm.common.utils.uuid.IdUtils; | |
| 21 | import com.jcdm.system.service.ISysConfigService; | |
| 22 | ||
| 23 | /** | |
| 24 | * 验证码操作处理 | |
| 25 | * | |
| 26 | * @author jc | |
| 27 | */ | |
| 28 | @RestController | |
| 29 | public class CaptchaController | |
| 30 | { | |
| 31 | @Resource(name = "captchaProducer") | |
| 32 | private Producer captchaProducer; | |
| 33 | ||
| 34 | @Resource(name = "captchaProducerMath") | |
| 35 | private Producer captchaProducerMath; | |
| 36 | ||
| 37 | @Autowired | |
| 38 | private RedisCache redisCache; | |
| 39 | ||
| 40 | @Autowired | |
| 41 | private ISysConfigService configService; | |
| 42 | /** | |
| 43 | * 生成验证码 | |
| 44 | */ | |
| 45 | @GetMapping("/captchaImage") | |
| 46 | public AjaxResult getCode(HttpServletResponse response) throws IOException | |
| 47 | { | |
| 48 | AjaxResult ajax = AjaxResult.success(); | |
| 49 | boolean captchaEnabled = configService.selectCaptchaEnabled(); | |
| 50 | ajax.put("captchaEnabled", captchaEnabled); | |
| 51 | if (!captchaEnabled) | |
| 52 | { | |
| 53 | return ajax; | |
| 54 | } | |
| 55 | ||
| 56 | // 保存验证码信息 | |
| 57 | String uuid = IdUtils.simpleUUID(); | |
| 58 | String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid; | |
| 59 | ||
| 60 | String capStr = null, code = null; | |
| 61 | BufferedImage image = null; | |
| 62 | ||
| 63 | // 生成验证码 | |
| 64 | String captchaType = MesConfig.getCaptchaType(); | |
| 65 | if ("math".equals(captchaType)) | |
| 66 | { | |
| 67 | String capText = captchaProducerMath.createText(); | |
| 68 | capStr = capText.substring(0, capText.lastIndexOf("@")); | |
| 69 | code = capText.substring(capText.lastIndexOf("@") + 1); | |
| 70 | image = captchaProducerMath.createImage(capStr); | |
| 71 | } | |
| 72 | else if ("char".equals(captchaType)) | |
| 73 | { | |
| 74 | capStr = code = captchaProducer.createText(); | |
| 75 | image = captchaProducer.createImage(capStr); | |
| 76 | } | |
| 77 | ||
| 78 | redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES); | |
| 79 | // 转换流信息写出 | |
| 80 | FastByteArrayOutputStream os = new FastByteArrayOutputStream(); | |
| 81 | try | |
| 82 | { | |
| 83 | ImageIO.write(image, "jpg", os); | |
| 84 | } | |
| 85 | catch (IOException e) | |
| 86 | { | |
| 87 | return AjaxResult.error(e.getMessage()); | |
| 88 | } | |
| 89 | ||
| 90 | ajax.put("uuid", uuid); | |
| 91 | ajax.put("img", Base64.encode(os.toByteArray())); | |
| 92 | return ajax; | |
| 93 | } | |
| 94 | } | |
