Java Base64 字符串转 InputStream 彭惠康 2021-12-29 561 阅读1分钟 String base64Str = "VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wcyBvdmVyIDEzIGxhenkgZG9ncy4="; byte[] decoded = Base64.getDecoder().decode(base64Str); InputStream is = new ByteArrayInputStream(decoded);