Chen

/** <!--依赖--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> <!--fa

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// http工具类 import com.alibaba.fastjson.JSONObject; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.StringUtils; import org.apache.http.*; import org.apache.http.client.HttpClien

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// base64和图片互相转换 import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import org.apache.commons.codec.

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// 画海报 import cn.hutool.core.util.RandomUtil; import javax.imageio.ImageIO; import java.awt.*; import java.awt.image.BufferedImage; import java.io.File; /** * @author Chen * @date 2021/7/23 */

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// java生成二维码 <dependency> <groupId>com.google.zxing</groupId> <artifactId>core</artifactId> <version>3.4.1</version> </dependency> <!--

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