功能简介 ByteArrayInputStream 和 ByteArrayOutputStream 提供了针对于字符数组 byte [] 的标准的IO操作方式 ?...ByteArrayInputStream将会给一个byte buf[] 提供标准的IO操作方式 ByteArrayOutputStream则是将数据写入到内部的字节数组中 ByteArrayInputStream...详解 功能: 从提供的字节数组中,以IO的行为方式工作,进行读取数据 ByteArrayInputStream字段 protected byte[] buf 用于保存由该流的创建者提供的 byte...数组也就是构造方法传入 protected int count 个数 protected int mark 流中当前的标记位置构造时默认将 ByteArrayInputStream 对象标记在位置零处通过...构造方法 public ByteArrayInputStream(byte[] buf) 需要传入byte buf[] 字节数组作为他的缓冲区当前起始下标 pos 为0count为数组长度mark位置为
ByteArrayInputStream和ByteArrayOutputStream，用于以IO流的方式来完成对字节数组内容的读写，来支持类似内存虚拟文件或者内存映射文件的功能 ByteArrayOutputStream...类是在创建它的实例时，程序内部创建一个byte型别数组的缓冲区，然后利用ByteArrayOutputStream和ByteArrayInputStream的实例向数组中写入或读出byte型数据。...ByteArrayInputStream: 可以将字节数组转化为输入流 ByteArrayInputStream类有两个默认的构造函数： ByteArrayInputStream(byte[]...ByteArrayInputStream(byte[] b,int offset,int length): 从数组当中的第offset开始，一直取出length个这个字节做为数据源。
ByteArrayOutputStream流用来字节数组输出流在内存中创建一个字节数组缓冲区，所有发送到输出流的数据保存在该字节数组缓冲区中，默认初始化大小32个字节 ByteArrayInputStream...ByteArrayOutputStream(1); try { bot.write(10); bot.write(11); bot.write(12); InputStream iot = new ByteArrayInputStream
byteArrayInputStream = null; CSVParser parser = null; try { byteArrayInputStream = new ByteArrayInputStream...(bytes); inputStreamReader = new InputStreamReader(byteArrayInputStream); //reader = new UnicodeReader...(byteArrayInputStream,"utf-8"); //bufferedReader = new BufferedReader(reader); bufferedReader...byteArrayInputStream = null; BOMInputStream bomInputStream = null; CSVParser parser = null; try {...byteArrayInputStream = new ByteArrayInputStream(bytes); //使用BOMInputStream兼容bom头csv文件 bomInputStream
byteArrayInputStream = new ByteArrayInputStream("12312312312".getBytes());...业务操作 } byteArrayInputStream.close(); } } 结果： ?...构建ByteArrayInputStream时： public ByteArrayInputStream(byte buf[]) { this.buf = buf; this.pos =...ByteArrayInputStream对象时，指定了初始位置，那么mark属性也会随之改变： public ByteArrayInputStream(byte buf[], int offset, int...byteArrayInputStream = new ByteArrayInputStream("12312312312".getBytes()); byte
byteArrayInputStream = null; 20 private byte[] result; 21 22 23 24 @Test 25 public void...= new ByteArrayInputStream(result); 50 inputStream = new ObjectInputStream(byteArrayInputStream...= null) byteArrayInputStream.close(); 59 if (inputStream !...= new ByteArrayInputStream(bytes); 41 inputStream = new ObjectInputStream(byteArrayInputStream...= null) byteArrayInputStream.close(); 50 if (inputStream !
ByteArrayInputStream 1.1.1. 构造函数 1.1.2. 常用的方法 1.1.3. 实例 1.2. ByteArrayOutputStream 1.2.1....ByteArrayInputStream ByteArrayInputStream 包含一个内部缓冲区，该缓冲区包含从流中读取的字节。内部计数器跟踪read方法要提供的下一个字节。...关闭 ByteArrayInputStream无效。此类中的方法在关闭此流后仍可被调用，而不会产生任何 IOException。...主要的功能是从缓冲区读取字节 构造函数 ByteArrayInputStream(byte[] buf) 创建一个 ByteArrayInputStream，使用 buf 作为其缓冲区数组。...ByteArrayInputStream(byte[] buf, int offset, int length) 创建 ByteArrayInputStream，使用 buf 作为其缓冲区数组。
byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray()); HessianInput...byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray()); HessianInput...byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray()); HessianInput...byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray()); HessianInput...byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray()); Hessian2Input
//读电脑上的文件 键盘 //其实就是从控制台输入，没啥意义不讲了 网络//例如Socket，后面单独开篇章讲 举个以内存为数据源的栗子： package demo; import java.io.ByteArrayInputStream...public static void main(String[] args) { //内存 String str = "hello world"; ByteArrayInputStream...byteArrayInputStream = new ByteArrayInputStream(str.getBytes()); int i = 0; while ((...i=byteArrayInputStream.read())!
重置baos即清空baos image.compress(Bitmap.CompressFormat.JPEG, options, baos);//PNG 压缩options% } // 压缩尺寸 ByteArrayInputStream...bais = new ByteArrayInputStream(baos.toByteArray()); BitmapFactory.Options opts = new BitmapFactory.Options...即清空baos image.compress(Bitmap.CompressFormat.JPEG, options, baos);// 这里压缩options%，把压缩后的数据存放到baos中 } ByteArrayInputStream...isBm = new ByteArrayInputStream(baos.toByteArray());// 把压缩后的数据baos存放到ByteArrayInputStream中 Bitmap bitmap...= BitmapFactory.decodeStream(isBm, null, null);// 把ByteArrayInputStream数据生成图片 return bitmap; } /** *
参考链接： Java Reader类 1、String –> InputStream InputStrem is = new ByteArrayInputStream(str.getBytes())...; 或者 ByteArrayInputStream stream= new ByteArrayInputStream(str.getBytes()); 2、InputStream–>String
{ return body; } @Override public ServletInputStream getInputStream() throws IOException { ByteArrayInputStream...byteArrayInputStream = new ByteArrayInputStream(body); return new ServletInputStream() { @Override...public int read() throws IOException { return byteArrayInputStream.read(); } @Override
javax.servlet.http.HttpServletRequestWrapper; import javax.servlet.http.HttpServletResponse; import java.io.ByteArrayInputStream...ServletInputStream getInputStream() throws IOException { byte[] bytes = new byte[0]; ByteArrayInputStream...byteArrayInputStream = new ByteArrayInputStream(bytes); ServletInputStream servletInputStream...@Override public int read() throws IOException { return byteArrayInputStream.read...@Override public boolean isFinished() { return byteArrayInputStream.read
ByteArrayOutputStream byteArrayOutputStream = null; ObjectOutputStream objectOutputStream = null; ByteArrayInputStream...byteArrayInputStream = null; ObjectInputStream objectInputStream = null; try { byteArrayOutputStream...= new ByteArrayInputStream(byteArrayOutputStream.toByteArray()); objectInputStream = new ObjectInputStream...(byteArrayInputStream); T t1 = (T) objectInputStream.readObject(); return t1; } catch (Exception e) {...= null) { try { byteArrayInputStream.close(); byteArrayInputStream = null; } catch (IOException e
Object deserialization(byte[] binaryByte) { ObjectInputStream objectInputStream = null; ByteArrayInputStream...byteArrayInputStream = null; byteArrayInputStream = new ByteArrayInputStream(binaryByte);...try { objectInputStream = new ObjectInputStream(byteArrayInputStream); return
byteArrayInputStream = new ByteArrayInputStream(DESUtility.a(DESUtility.a(open, open.available()), DESUtility.a...new WebResourceResponse("text/css", "UTF-8", byteArrayInputStream) : str.endsWith(".js") ?...new WebResourceResponse("text/js", "UTF-8", byteArrayInputStream) : null; } else {...byteArrayInputStream = new ByteArrayInputStream(DESUtility.a(DESUtility.a(open, open.available()), DESUtility.a...new WebResourceResponse("text/css", "UTF-8", byteArrayInputStream) : str.endsWith(".js") ?
接口并重写 Object 类中的 clone() 方法； 实现 Serializable 接口，通过对象的序列化和反序列化实现克隆，可以实现真正的深度克隆，代码如下： import java.io.ByteArrayInputStream...ObjectOutputStream oos = new ObjectOutputStream(bout); oos.writeObject(obj); ByteArrayInputStream...bin = new ByteArrayInputStream(bout.toByteArray()); ObjectInputStream ois = new ObjectInputStream...(bin); return (T) ois.readObject(); // 说明：调用 ByteArrayInputStream 或 ByteArrayOutputStream
options, baos);//这里压缩options%，把压缩后的数据存放到baos中 options -= 50;//每次都减少10 } ByteArrayInputStream...isBm = new ByteArrayInputStream(baos.toByteArray());//把压缩后的数据baos存放到ByteArrayInputStream中 Bitmap...bitmap = BitmapFactory.decodeStream(isBm, null, null);//把ByteArrayInputStream数据生成图片 return bitmap
byte[] bytes = IOUtils.toByteArray(url.openStream()); ByteArrayInputStream...bis = new ByteArrayInputStream(bytes); BufferedImage img = javax.imageio.ImageIO.read...int picWidth = picHeight * width/height; //下次读取该ByteArrayInputStream...XWPFDocument.PICTURE_TYPE_JPEG, url.getFile(), Units.toEMU(picWidth), Units.toEMU(picHeight)); 好了，上面就是通过ByteArrayInputStream
xmlConverter = new BpmnXMLConverter(); byte[] bpmnBytes = xmlConverter.convertToXML(bpmnModel); ByteArrayInputStream...in = new ByteArrayInputStream(bpmnBytes); //IOUtils.copy(in, response.getOutputStream()); String...xmlConverter = new BpmnXMLConverter(); byte[] bpmnBytes = xmlConverter.convertToXML(bpmnModel); ByteArrayInputStream...in = new ByteArrayInputStream(bpmnBytes); InputStreamReader isr = new InputStreamReader(in,"utf-
领取专属 10元无门槛券
手把手带您无忧上云
云服务器
即时通信 IM
ICP备案
对象存储
实时音视频
