快速学会SpringBoot图形验证码生成：一步步教你打造安全验证
1.效果图
2.pom.xml
<!-- 验证码配置--><dependency><groupId>com.github.axet</groupId><artifactId>kaptcha</artifactId><version>0.0.9</version></dependency>3.config配置类
import com.google.code.kaptcha.impl.DefaultKaptcha;
import com.google.code.kaptcha.util.Config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;import java.util.Properties;/*** 图形验证码配置类*/
@Configuration
public class KaptchaConfig implements WebMvcConfigurer {@Beanpublic DefaultKaptcha producer(){Properties properties =new Properties();properties.put("kaptcha.border","no");properties.put("kaptcha.textproducer.font.color","black");properties.put("kaptcha.textproducer.char.space","5");Config config=new Config(properties);DefaultKaptcha defaultKaptcha =new DefaultKaptcha();defaultKaptcha.setConfig(config);return defaultKaptcha;}
}4.SmsService接口类
public interface SmsService {Result sendAliSms(String number) throws ClientException, com.aliyuncs.exceptions.ClientException;ServletOutputStream patternCode(HttpServletResponse response) throws IOException;}5.SmsServiceImpl业务类
import com.google.code.kaptcha.Producer;
@Service
public class SmsServiceImpl implements SmsService {@Resourceprivate Producer producer;/*** 获取图型验证码*/@Overridepublic ServletOutputStream patternCode(HttpServletResponse response) throws IOException {String text= producer.createText();//验证码内容BufferedImage image=producer.createImage(text);//验证码图片流ServletOutputStream out =response.getOutputStream();ImageIO.write(image,"jpg",out);IOUtils.closeQuietly(out);存缓存//redisDao.vSet(text,text,300);return out;}}6.SmsController控制方法
/*** 短信* 验证码* 工具类*/
@RestController
@RequestMapping("/sms")
public class SmsController {@Resourceprivate SmsService smsService;/*** 发送图像验证码*/@GetMapping("/patternCode")public ServletOutputStream patternCode(HttpServletResponse response) throws IOException {return smsService.patternCode(response);}}7.推荐程序员必备网站
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