验证码功能提交

101captain

2022-06-29 5d1b94ecc1269a95e5e5b76985d7b6fa0416cf85

验证码功能提交

 springcloud_k8s_panzhihuazhihuishequ/applets_backstage/pom.xml

@@ -64,6 +64,11 @@
            <artifactId>minio</artifactId>
            <version>6.0.8</version>
        </dependency>
        <dependency>
            <groupId>com.github.penggle</groupId>
            <artifactId>kaptcha</artifactId>
            <version>2.3.2</version>
        </dependency>

    </dependencies>


 springcloud_k8s_panzhihuazhihuishequ/applets_backstage/src/main/java/com/panzhihua/applets_backstage/api/KaphtchaApi.java

New file
@@ -0,0 +1,80 @@
package com.panzhihua.applets_backstage.api;

import com.google.code.kaptcha.impl.DefaultKaptcha;
import com.panzhihua.common.controller.BaseController;
import com.panzhihua.common.model.vos.R;
import com.panzhihua.common.utlis.StringUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.time.Duration;

/**
 * @author zzj
 */
@Api(tags = {"验证码接口"})
@RestController
@RequestMapping("/kaphtcha/")
public class KaphtchaApi extends BaseController {
    @Resource
    private DefaultKaptcha defaultKaptcha;
    @Resource
    private StringRedisTemplate stringRedisTemplate;

    @ApiOperation("生成验证码")
    @GetMapping("/verification")
    public void defaultKaptcha(@RequestParam("uuid")String uuid,HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse)
            throws Exception {
        byte[] captchaChallengeAsJpeg = null;
        ByteArrayOutputStream jpegOutputStream = new ByteArrayOutputStream();
        try {
            // 生产验证码字符串并保存到session中，分布式环境存redis中
            String createText = defaultKaptcha.createText();
            stringRedisTemplate.opsForValue().set("verifyCode_"+uuid,createText, Duration.ofMinutes(5));
            // 使用生产的验证码字符串返回一个BufferedImage对象并转为byte写入到byte数组中
            BufferedImage challenge = defaultKaptcha.createImage(createText);
            ImageIO.write(challenge, "jpg", jpegOutputStream);

        } catch (IllegalArgumentException e) {
            httpServletResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }

        // 定义response输出类型为image/jpeg类型，使用response输出流输出图片的byte数组
        captchaChallengeAsJpeg = jpegOutputStream.toByteArray();
        httpServletResponse.setHeader("Cache-Control", "no-store");
        httpServletResponse.setHeader("Pragma", "no-cache");
        httpServletResponse.setDateHeader("Expires", 0);
        httpServletResponse.setContentType("image/jpeg");
        ServletOutputStream responseOutputStream = httpServletResponse.getOutputStream();
        responseOutputStream.write(captchaChallengeAsJpeg);
        responseOutputStream.flush();
        responseOutputStream.close();
    }
    @ApiOperation("验证码核对")
    @GetMapping("/checkVerifyCode")
    public R checkVerifyCode(@RequestParam("verifyCode")String verifyCode,@RequestParam("uuid")String uuid){
        String text=stringRedisTemplate.opsForValue().get("verifyCode_"+uuid);
        if(StringUtils.isNotEmpty(text)){
            if(verifyCode.equals(text)){
                stringRedisTemplate.delete("verifyCode_"+uuid);
                return R.ok();
            }
            return R.fail("验证码错误");
        }
        return R.fail("验证码失效");
    }

}

 springcloud_k8s_panzhihuazhihuishequ/applets_backstage/src/main/java/com/panzhihua/applets_backstage/config/KaptchaConfig.java

New file
@@ -0,0 +1,45 @@
package com.panzhihua.applets_backstage.config;

import com.google.code.kaptcha.Constants;
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 java.util.Properties;

/**
 * @author zzj
 */
@Configuration
public class KaptchaConfig {
    /**
     * 验证码配置
     * @return
     */
    @Bean
    public DefaultKaptcha getDefaultKaptcha(){
        DefaultKaptcha defaultKaptcha=new DefaultKaptcha();
        Properties properties=new Properties();
        //是否有边框
        properties.setProperty(Constants.KAPTCHA_BORDER,"yes");
        //验证码文本颜色
        properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_COLOR,"red");
        //验证码图片宽度
        properties.setProperty(Constants.KAPTCHA_IMAGE_WIDTH,"180");
        //验证码图片高度
        properties.setProperty(Constants.KAPTCHA_IMAGE_HEIGHT,"80");
        //文本字符大小
        properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_SIZE,"39");
        //验证码session的值
        properties.setProperty(Constants.KAPTCHA_SESSION_CONFIG_KEY,"kaptchaCode");
        //验证码文本长度
        properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_CHAR_LENGTH,"4");
        //字体
        properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_NAMES, "宋体,楷体,微软雅黑");

        Config config=new Config(properties);
        defaultKaptcha.setConfig(config);
        return defaultKaptcha;
    }
}