hutool工具类的简单使用

引入maven

<dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-http</artifactId>
            <version>${hutool.version}</version>
        </dependency>
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-core</artifactId>
            <version>${hutool.version}</version>
        </dependency>

http

获取网络图片的byte数组

String url = "https://img.yzcdn.cn/upload_files/2019/11/04/FkKxYNaJw26i906ze8SUIx4BRjlt.jpg";
//获取图片的byte数组
byte[] bytes = HttpRequest.get(url).timeout(20000).execute().bodyBytes();
//转换为base64字符串
String str= Base64Utils.encodeToString(bytes)；