POM

        <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.6</version>
        </dependency>

Java

    @Test
    public void test() throws IOException {
        String url = "http://127.0.0.1:8000";
        IOUtils.toByteArray(URI.create(url));
    }

安全风险

• 注意SSRF漏洞风险；

参考资料

• https://commons.apache.org/proper/commons-io/javadocs/api-2.5/org/apache/commons/io/IOUtils.html