深度揭秘（java解析富文本内容）java解析pdf内容，Java解析文件乱码问题，java读取dat文件乱码，

//通过FileInputStream读取字节String path1 = "C:\\Users\\yanzhichao\\Desktop\\test.txt";String path2 = "C:\\Users\\yanzhichao\\Desktop\\test2.txt";InputStream inputStream1 = null;InputStream inputStream2 = null;try{inputStream1 = new FileInputStream(path1);byte[] bytes1 = T.IOUtils.toByteArray(inputStream1);System.out.println("****************************读取test1.txt文件 start *****************************");System.out.println("使用默认编码-----------------------------");System.out.println(new String(bytes1));System.out.println("使用UTF-8编码-----------------------------");System.out.println(new String(bytes1,"UTF-8"));System.out.println("使用GBK编码-----------------------------");System.out.println(new String(bytes1,"GBK"));System.out.println("使用GB2312编码-----------------------------");System.out.println(new String(bytes1,"GB2312"));System.out.println("使用ISO-8859-1编码-----------------------------");System.out.println(new String(bytes1,"ISO-8859-1"));System.out.println("****************************读取test1.txt文件 end *****************************");inputStream2 = new FileInputStream(path2);byte[] bytes2 = T.IOUtils.toByteArray(inputStream2);System.out.println("****************************读取test2.txt文件 start *****************************");System.out.println("使用默认编码-----------------------------");System.out.println(new String(bytes2));System.out.println("使用UTF-8编码-----------------------------");System.out.println(new String(bytes2,"UTF-8"));System.out.println("使用GBK编码-----------------------------");System.out.println(new String(bytes2,"GBK"));System.out.println("使用GB2312编码-----------------------------");System.out.println(new String(bytes2,"GB2312"));System.out.println("使用ISO-8859-1编码-----------------------------");System.out.println(new String(bytes2,"ISO-8859-1"));System.out.println("****************************读取test2.txt文件 end *****************************");} catch (Exception e) {e.printStackTrace();} finally {if(inputStream1 != null) {try {inputStream1.close();} catch (IOException e) {e.printStackTrace();}}}

****************************读取test1.txt文件 start *****************************使用默认编码-----------------------------111����使用UTF-8编码-----------------------------111����使用GBK编码-----------------------------111测试使用GB2312编码-----------------------------111测试使用ISO-8859-1编码-----------------------------111²âÊÔ****************************读取test1.txt文件 end *********************************************************读取test2.txt文件 start *****************************使用默认编码-----------------------------##=====Set Dubbo Begin=====## Dubbo注册中心地址使用UTF-8编码-----------------------------##=====Set Dubbo Begin=====## Dubbo注册中心地址使用GBK编码-----------------------------锘�##=====Set Dubbo Begin=====## Dubbo娉ㄥ唽涓績鍦板潃使用GB2312编码-----------------------------锘�##=====Set Dubbo Begin=====## Dubbo娉ㄥ��涓�蹇��板��使用ISO-8859-1编码-----------------------------##=====Set Dubbo Begin=====## Dubbo注册中心地址****************************读取test2.txt文件 end *****************************

//通过InputStreamReader读取字符String path1 = "C:\\Users\\yanzhichao\\Desktop\\test.txt";String path2 = "C:\\Users\\yanzhichao\\Desktop\\test2.txt";InputStreamReader reader1 = null;InputStreamReader reader2 = null;try{System.out.println("以字符为单位读取文件内容，一次读多个字节：");// 一次读多个字符char[] tempchars = new char[30];int charread = 0;reader1 = new InputStreamReader(new FileInputStream(path1));System.out.println("使用默认编码（UTF-8）：");// 读入多个字符到字符数组中，charread为一次读取字符数while ((charread = reader1.read(tempchars)) != -1) {// 同样屏蔽掉\r不显示if ((charread == tempchars.length)&& (tempchars[tempchars.length - 1] != \r)) {System.out.print(tempchars);} else {for (int i = 0; i < charread; i++) {if (tempchars[i] == \r) {continue;} else {System.out.print(tempchars[i]);}}}}System.out.println();reader2 = new InputStreamReader(new FileInputStream(path1),"GBK");System.out.println("使用GBK编码：");tempchars = new char[30];charread = 0;// 读入多个字符到字符数组中，charread为一次读取字符数while ((charread = reader2.read(tempchars)) != -1) {// 同样屏蔽掉\r不显示if ((charread == tempchars.length)&& (tempchars[tempchars.length - 1] != \r)) {System.out.print(tempchars);} else {for (int i = 0; i < charread; i++) {if (tempchars[i] == \r) {continue;} else {System.out.print(tempchars[i]);}}}}} catch (Exception e) {e.printStackTrace();} finally {if(reader1 != null) {try {reader1.close();} catch (IOException e) {e.printStackTrace();}}if(reader2 != null) {try {reader2.close();} catch (IOException e) {e.printStackTrace();}}}

以字符为单位读取文件内容，一次读多个字节：使用默认编码（UTF-8）：111����使用GBK编码：111测试

String path1 = "C:\\Users\\yanzhichao\\Desktop\\test.txt";String path2 = "C:\\Users\\yanzhichao\\Desktop\\test2.txt";String zipName = "C:\\Users\\yanzhichao\\Desktop\\Desktop.rar";String zipName2 = "C:\\Users\\yanzhichao\\Desktop\\Desktop2.rar";String folderName = "test";List<String> filePathList = new ArrayList<>();filePathList.add(path1);filePathList.add(path2);InputStream is = null;InputStream is2 = null;ZipFile zip = null;ZipFile zip2 = null;try {//方法一zip = new ZipFile(zipName);ZipParameters para = null;File file = null;for (String fliePath : filePathList) {file = new File(fliePath);para = new ZipParameters();para.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);para.setFileNameInZip(folderName+ fliePath.substring(fliePath.lastIndexOf(File.separator)));para.setSourceExternalStream(true);is = new ByteArrayInputStream(T.FileUtils.readFileToByteArray(file));zip.addStream(is, para);}//方法二zip2 = new ZipFile(zipName2);ZipParameters para2 = null;for (String fliePath : filePathList) {String content = new String(T.IOUtils.toByteArray(new FileInputStream(fliePath)));para2 = new ZipParameters();para2.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);para2.setFileNameInZip(folderName+ fliePath.substring(fliePath.lastIndexOf(File.separator)));para2.setSourceExternalStream(true);is2 = new ByteArrayInputStream(content.getBytes());zip2.addStream(is2, para2);}} catch (ZipException | IOException e) {e.printStackTrace();} finally {if (is != null) {try {is.close();} catch (IOException e) {e.printStackTrace();}}if (is2 != null) {try {is2.close();} catch (IOException e) {e.printStackTrace();}}}}