2.IO\u6d41\u7684\u4f5c\u7528\uff1a<\/p>\n\n\n\n
- \n
- \u7528\u4e8e\u8bfb\u5199\u6570\u636e\uff08\u672c\u5730\u6587\u4ef6\uff0c\u7f51\u7edc\uff09<\/li>\n<\/ul>\n\n\n\n
3.IO\u6d41\u6309\u7167\u6d41\u5411\u53ef\u4ee5\u5206\u7c7b\u4e3a\u54ea\u4e24\u79cd\u6d41\uff1a<\/p>\n\n\n\n
- \n
- \u8f93\u51fa\u6d41\uff1a\u7a0b\u5e8f->\u6587\u4ef6<\/li>\n\n\n\n
- \u8f93\u5165\u6d41\uff1a\u6587\u4ef6->\u7a0b\u5e8f<\/li>\n<\/ul>\n\n\n\n
4.IO\u6d41\u6309\u7167\u64cd\u4f5c\u6587\u4ef6\u7684\u7c7b\u578b\u53ef\u4ee5\u5206\u4e3a\u54ea\u4e24\u79cd\u6d41<\/p>\n\n\n\n
- \n
- \u5b57\u8282\u6d41\uff1a\u53ef\u4ee5\u64cd\u4f5c\u6240\u6709\u7c7b\u578b\u7684\u6587\u4ef6<\/li>\n\n\n\n
- \u5b57\u7b26\u6d41\uff1a\u53ef\u4ee5\u64cd\u4f5c\u7eaf\u6587\u672c\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n
\u95ee\u9898\uff1a\u65e2\u7136\u5b57\u8282\u6d41\u53ef\u4ee5\u64cd\u4f5c\u6240\u6709\u7c7b\u578b\u7684\u6587\u4ef6\uff0c\u90a3\u4e48\u5b57\u7b26\u6d41\u5b58\u5728\u7684\u610f\u4e49\u662f\u4ec0\u4e48\uff1f<\/mark><\/p>\n\n\n\n
5.\u4ec0\u4e48\u662f\u7eaf\u6587\u672c\u6587\u4ef6\uff1f<\/p>\n\n\n\n
- \n
- \u7528windows\u7cfb\u7edf\u81ea\u5e26\u7684\u8bb0\u4e8b\u672c\u6253\u5f00\u5e76\u4e14\u80fd\u8bfb\u61c2\u7684\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n
IO\u6d41\u7684\u4f53\u7cfb<\/h1>\n\n\n\n
![\"\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n\u5b57\u8282\u8f93\u51fa\u6d41FileOutputStream<\/h1>\n\n\n\n
\u57fa\u672c\u7528\u6cd5<\/h2>\n\n\n\n
\u5b57\u8282\u8f93\u51fa\u6d41\u521d\u4f53\u9a8c\uff1a<\/p>\n\n\n\n
public class ByteStreamDemo1 {\n public static void main(String[] args) throws IOException {\n \/\/\u521b\u5efa\u5bf9\u8c61\n \/\/\u5b57\u8282\u8f93\u51fa\u6d41 OutputStream\n FileOutputStream fileOutputStream = new FileOutputStream(\"a.txt\");\n \/\/\u5199\u51fa\u6570\u636e\n fileOutputStream.write(97);\n \/\/\u91ca\u653e\u8d44\u6e90\n fileOutputStream.close();\n }\n}\n<\/code><\/pre>\n\n\n\n\u95ee\u9898\uff1a\u51fa\u73b0FileNotFind\u7684\u9519\u8bef<\/mark><\/p>\n\n\n\n
\u89e3\u51b3\uff1a\u901a\u8fc7\u4e86\u89e3IDEA\u76f8\u5bf9\u8def\u5f84\u7684\u539f\u7406\uff0c\u77e5\u9053\u4e86\u76f8\u5bf9\u8def\u5f84\u7684\u8d77\u59cb\u6587\u4ef6\u5939\u662f\u6574\u4e2a\u9879\u76ee\u6240\u5728\u7684\u6839\u76ee\u5f55\uff0c\u5c06”collectionDemo\\\\a.txt”\u6539\u4e3a”a.txt”\uff0c\u95ee\u9898\u89e3\u51b3<\/mark><\/p>\n\n\n\n
<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n\u6362\u884c\u548c\u7eed\u5199<\/h2>\n\n\n\n
\u6362\u884c\u5199\uff1a<\/p>\n\n\n\n
- \n
- \u518d\u6b21\u5199\u51fa\u4e00\u4e2a\u6362\u884c\u7b26\u5c31\u53ef\u4ee5\u4e86<\/li>\n\n\n\n
- windows\uff1a\\r\\n<\/li>\n\n\n\n
- linux\uff1a\\n<\/li>\n\n\n\n
- mac\uff1a\\r<\/li>\n\n\n\n
- \u7ec6\u8282\uff1a\n
- \n
- \u5728windows\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d\uff0cjava\u5bf9\u56de\u8f66\u6362\u884c\u8fdb\u884c\u4e86\u4f18\u5316\u3002<\/li>\n\n\n\n
- \u867d\u7136\u5b8c\u6574\u7684\u662f\\r\\n\uff0c\u4f46\u662f\u6211\u4eec\u5199\u5176\u4e2d\u4e00\u4e2a\\r\u6216\u8005\\n\uff0c<\/li>\n\n\n\n
- java\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u6362\u884c\uff0c\u56e0\u4e3ajava\u5728\u5e95\u5c42\u4f1a\u8865\u5168<\/li>\n\n\n\n
- \u5efa\u8bae\u4e0d\u8981\u7701\u7565<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
\u7eed\u5199\uff1a<\/p>\n\n\n\n
- \n
- \u5982\u679c\u60f3\u8981\u7eed\u5199\uff0c\u6253\u5f00\u7eed\u5199\u5f00\u5173\u5c31\u53ef\u4ee5\u4e86<\/li>\n\n\n\n
- \u5f00\u5173\u4f4d\u7f6e\uff1a\u521b\u5efa\u5bf9\u8c61\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570<\/li>\n\n\n\n
- \u9ed8\u8ba4false\uff1a\u8868\u793a\u5173\u95ed\u7eed\u5199\uff0c\u6b64\u65f6\u521b\u5efa\u5bf9\u8c61\u5c31\u4f1a\u6e05\u7a7a\u6587\u4ef6<\/li>\n\n\n\n
- \u624b\u52a8\u4f20\u9012true\uff1a\u8868\u793a\u6253\u5f00\u7eed\u5199\uff0c\u6b64\u65f6\u521b\u5efa\u5bf9\u8c61\u4e0d\u4f1a\u6e05\u7a7a\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n
public class ByteStreamDemo2 {\n public static void main(String[] args) throws IOException {\n \/\/\u6362\u884c\u7eed\u5199\n FileOutputStream fos = new FileOutputStream(\"a.txt\", true);\n String str1 = \"abcd\";\n byte[] bytes1 = str1.getBytes();\n fos.write(bytes1);\n\n \/\/\u6dfb\u52a0\u6362\u884c\u7b26\n String crlf = \"\\r\\n\";\n byte[] bytes2 = crlf.getBytes();\n fos.write(bytes2);\n\n \/\/\u5199\u6570\u636e\n String str2 = \"efg\";\n byte[] bytes3 = str2.getBytes();\n fos.write(bytes3);\n fos.close();\n }\n}<\/code><\/pre>\n\n\n\n\u5b57\u8282\u8f93\u5165\u6d41FileInputStream<\/h1>\n\n\n\n
\u57fa\u672c\u4f7f\u7528<\/h3>\n\n\n\n
public class ByteStreamDemo1 {\n public static void main(String[] args) throws IOException {\n \/\/\u5b57\u8282\u8f93\u5165\u57fa\u672c\u4f7f\u7528\n FileInputStream fis = new FileInputStream(\"a.txt\");\n \/\/\u8bfb\u6570\u636e\n int i = fis.read();\n System.out.println((char) i);\n fis.close();\n }\n}<\/code><\/pre>\n\n\n\n<\/div><\/figure>\n\n\n\n\u5faa\u73af\u8bfb\u53d6<\/p>\n\n\n\n
public class ByteStreamDemo2 {\n public static void main(String[] args) throws IOException {\n FileInputStream fis = new FileInputStream(\"a.txt\");\n int b;\n while ((b = fis.read()) != -1) {\n System.out.print((char) b);\n }\n fis.close();\n }\n}\n<\/code><\/pre>\n\n\n\n\u6587\u4ef6\u62f7\u8d1d<\/h3>\n\n\n\n
\u57fa\u672c\u4f7f\u7528\uff1a<\/p>\n\n\n\n
public class ByteStreamDemo3 {\n \/\/\u6587\u4ef6\u62f7\u8d1d\n public static void main(String[] args) throws IOException {\n FileInputStream fis = new FileInputStream(\"a.txt\");\n FileOutputStream fos = new FileOutputStream(\"b.txt\");\n int b;\n while ((b = fis.read()) != -1) {\n fos.write(b);\n }\n fis.close();\n fos.close();\n }\n}<\/code><\/pre>\n\n\n\n\u4e00\u6b21\u8bfb\u53d6\u4e00\u4e2a\u5b57\u8282\u7684\u5f0a\u7aef\uff1a\u8bfb\u5199\u901f\u5ea6\u6162<\/p>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u4e00\u6b21\u8bfb\u53d6\u591a\u4e2a\u6570\u636e\uff1a<\/p>\n\n\n\n
public class ByteStreamDemo4 {\n \/\/\u4e00\u6b21\u8bfb\u53d6\u591a\u4e2a\u6570\u636e\n public static void main(String[] args) throws IOException {\n FileInputStream fis = new FileInputStream(\"a.txt\");\n \/\/\u521b\u5efa\u6570\u7ec4\uff0c\u8bfb\u53d6\u5b57\u8282\u6570\u548c\u5b57\u8282\u6570\u7ec4\u7684\u5927\u5c0f\u6709\u5173\n byte[] bytes = new byte[2];\n int len;\n len = fis.read(bytes);\n System.out.println(len);\n System.out.println(new String(bytes, 0 , len));\n len = fis.read(bytes);\n System.out.println(len);\n System.out.println(new String(bytes, 0 , len));\n len = fis.read(bytes);\n System.out.println(len);\n System.out.println(new String(bytes, 0 , len));\n fis.close();\n }\n}<\/code><\/pre>\n\n\n\n\u6587\u4ef6\u62f7\u8d1d\uff08\u4e00\u6b21\u8bfb\u5199\u591a\u4e2a\u5b57\u8282\uff09<\/p>\n\n\n\n
public class ByteStreamDemo5 {\n \/\/\u6587\u4ef6\u62f7\u8d1d\n public static void main(String[] args) throws IOException {\n long start = System.currentTimeMillis();\n FileInputStream fis = new FileInputStream(\"a.txt\");\n FileOutputStream fos = new FileOutputStream(\"b.txt\");\n int len;\n byte[] bytes = new byte[1024 * 1024 * 5];\n while ((len = fis.read(bytes)) != -1) {\n fos.write(bytes, 0 , len);\n }\n fis.close();\n fos.close();\n long end = System.currentTimeMillis();\n System.out.println(end - start);\n }\n}<\/code><\/pre>\n\n\n\nIO\u6d41\u4e2d\u4e0d\u540cJDK\u7248\u672c\u6355\u83b7\u5f02\u5e38\u7684\u65b9\u5f0f<\/h1>\n\n\n\n
JDK7\uff1a<\/h3>\n\n\n\n
\u5c06\u6d41\u5bf9\u8c61\u7684\u521b\u5efa\u653e\u5728try()\u4e2d<\/p>\n\n\n\n
public class ByteStreamDemo5 {\n \/\/JDk7\u6355\u83b7\u5f02\u5e38\n public static void main(String[] args) throws IOException {\n long start = System.currentTimeMillis();\n try(FileInputStream fis = new FileInputStream(\"a.txt\");\n FileOutputStream fos = new FileOutputStream(\"b.txt\")) {\n int len;\n byte[] bytes = new byte[1024 * 1024 * 5];\n while ((len = fis.read(bytes)) != -1) {\n fos.write(bytes, 0 , len);\n }\n } catch (IOException e) {\n throw new RuntimeException(e);\n }\n long end = System.currentTimeMillis();\n System.out.println(end - start);\n }\n}<\/code><\/pre>\n\n\n\nJDK9:<\/h3>\n\n\n\n
\u5c06\u6d41\u5bf9\u8c61\u7684\u521b\u5efa\u653e\u5728try-catch\u5916\u9762\uff0ctry()\u4e2d\u53ea\u5199\u5bf9\u8c61\u7684\u5f15\u7528\u5373\u53ef<\/p>\n\n\n\n
public class ByteStreamDemo6 {\n \/\/JDk9\u6355\u83b7\u5f02\u5e38\n public static void main(String[] args) throws FileNotFoundException {\n long start = System.currentTimeMillis();\n FileInputStream fis = new FileInputStream(\"a.txt\");\n FileOutputStream fos = new FileOutputStream(\"b.txt\");\n try(fis;fos) {\n int len;\n byte[] bytes = new byte[1024 * 1024 * 5];\n while ((len = fis.read(bytes)) != -1) {\n fos.write(bytes, 0 , len);\n }\n } catch (IOException e) {\n throw new RuntimeException(e);\n }\n long end = System.currentTimeMillis();\n System.out.println(end - start);\n }\n}<\/code><\/pre>\n\n\n\n\u5b57\u7b26\u96c6\u8be6\u89e3<\/h1>\n\n\n\n
ASCII\uff0cGBK<\/h3>\n\n\n\n
<\/div><\/figure>\n\n\n\nUnicode<\/h3>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u4e71\u7801<\/h3>\n\n\n\n
\u51fa\u73b0\u7684\u539f\u56e0\uff1a<\/p>\n\n\n\n
- \n
- 1.\u7528\u5b57\u8282\u6d41\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u4e00\u4e2a\u5b57\u8282\u4e00\u4e2a\u5b57\u8282\u7684\u8bfb\uff0c\u4f1a\u5bfc\u81f4\u4e71\u7801\uff0c\u6bd4\u5982\u4e00\u4e2a\u6c49\u5b57\u5728Unicode\u5b57\u7b26\u96c6\u4e2d\u53603\u4e2a\u5b57\u8282\u7684\u5927\u5c0f\uff0c\u5982\u679c\u53ea\u8bfb\u53d6\u4e86\u7b2c\u4e00\u4e2a\u5b57\u8282\uff0c\u5c31\u9519\u4e86<\/li>\n\n\n\n
- 2.\u7f16\u7801\u89e3\u7801\u7684\u65b9\u5f0f\u4e0d\u540c\u4e5f\u4f1a\u5bfc\u81f4\u4e71\u7801<\/li>\n<\/ul>\n\n\n\n
\u5982\u4f55\u907f\u514d\uff1a<\/p>\n\n\n\n
- \n
- 1.\u4e0d\u8981\u7528\u5b57\u8282\u6d41\u8bfb\u53d6\u6587\u672c\u6587\u4ef6<\/li>\n\n\n\n
- 2.\u7f16\u7801\u89e3\u7801\u65f6\u4f7f\u7528\u540c\u4e00\u4e2a\u7801\u8868\uff0c\u540c\u4e00\u4e2a\u7f16\u7801\u65b9\u5f0f<\/li>\n<\/ul>\n\n\n\n
\u7f16\u7801\u4e0e\u89e3\u7801\uff1a<\/p>\n\n\n\n
Java\u4e2d\u7f16\u7801\u7684\u65b9\u5f0f\uff1a<\/p>\n\n\n\n
- \n
- public byte[] getBytes() \u4f7f\u7528\u9ed8\u8ba4\u65b9\u5f0f\u8fdb\u884c\u7f16\u7801<\/li>\n\n\n\n
- public byte[] getBytes(String charsetName) \u4f7f\u7528\u6307\u5b9a\u65b9\u5f0f\u8fdb\u884c\u7f16\u7801<\/li>\n<\/ul>\n\n\n\n
Java\u4e2d\u89e3\u7801\u7684\u65b9\u5f0f\uff1a<\/p>\n\n\n\n
- \n
- String(byte[] bytes) \u4f7f\u7528\u9ed8\u8ba4\u65b9\u5f0f\u8fdb\u884c\u89e3\u7801<\/li>\n\n\n\n
- String(byte[] bytes, String charsetName) \u4f7f\u7528\u6307\u5b9a\u65b9\u5f0f\u8fdb\u884c\u89e3\u7801<\/li>\n<\/ul>\n\n\n\n
public class CharSetDemo1 {\n \/\/\u7f16\u7801\u89e3\u7801\n public static void main(String[] args) throws UnsupportedEncodingException {\n \/\/\u7f16\u7801UTF-8\n String s = \"yao\u52a0\u6cb9\";\n byte[] bytes1 = s.getBytes();\n System.out.println(Arrays.toString(bytes1));\n \/\/GBK\n byte[] bytes2 = s.getBytes(\"GBK\");\n System.out.println(Arrays.toString(bytes2));\n\n \/\/\u89e3\u7801\n String s1 = new String(bytes1);\n String s2 = new String(bytes2);\n System.out.println(s1);\n System.out.println(s2);\n }\n}<\/code><\/pre>\n\n\n\n\u5b57\u7b26\u8f93\u5165\u6d41FileReader<\/h1>\n\n\n\n
\u57fa\u672c\u4f7f\u7528<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\nread()\u7ec6\u8282\uff1a<\/h2>\n\n\n\n
- \n
- 1.read()\uff1a\u9ed8\u8ba4\u4e5f\u662f\u4e00\u4e2a\u5b57\u8282\u4e00\u4e2a\u5b57\u8282\u7684\u8bfb\u53d6\u7684\uff0c\u5982\u679c\u9047\u5230\u4e2d\u6587\u5c31\u4f1a\u4e00\u6b21\u8bfb\u53d6\u591a\u4e2a<\/li>\n\n\n\n
- 2.\u5728\u8bfb\u53d6\u4e4b\u540e\uff0c\u65b9\u6cd5\u7684\u5e95\u5c42\u8fd8\u4f1a\u8fdb\u884c\u89e3\u7801\u5e76\u8f6c\u6210\u5341\u8fdb\u5236
\u6700\u7ec8\u628a\u8fd9\u4e2a\u5341\u8fdb\u5236\u4f5c\u4e3a\u8fd4\u56de\u503c
\u8fd9\u4e2a\u5341\u8fdb\u5236\u7684\u6570\u636e\u4e5f\u8868\u793a\u5728\u5b57\u7b26\u96c6\u4e0a\u7684\u6570\u5b57
\u82f1\u6587\uff1a\u6587\u4ef6\u91cc\u9762\u4e8c\u8fdb\u5236\u6570\u636e 0110 0001
read\u65b9\u6cd5\u8fdb\u884c\u8bfb\u53d6\uff0c\u89e3\u7801\u5e76\u8f6c\u6210\u5341\u8fdb\u523697
\u4e2d\u6587\uff1a\u6587\u4ef6\u91cc\u9762\u7684\u4e8c\u8fdb\u5236\u6570\u636e 11100110 10110001 10001001
read\u65b9\u6cd5\u8fdb\u884c\u8bfb\u53d6\uff0c\u89e3\u7801\u5e76\u8f6c\u6210\u5341\u8fdb\u523627721
\u5982\u679c\u50cf\u770b\u5230\u4e2d\u6587\u6c49\u5b57\uff0c\u5c31\u662f\u628a\u8fd9\u4e9b\u5341\u8fdb\u5236\u6570\u636e\uff0c\u518d\u8fdb\u884c\u5f3a\u8f6c\u5373\u53ef<\/li>\n<\/ul>\n\n\n\n\u7a7a\u53c2read\u65b9\u6cd5\uff1a<\/h3>\n\n\n\n
public class CharStreamDemo1 {\n \/\/\u5b57\u7b26\u8f93\u5165\u6d41\u57fa\u672c\u4f7f\u7528\n public static void main(String[] args) throws IOException {\n \/\/\u521b\u5efa\u5bf9\u8c61\n FileReader fr = new FileReader(\"a.txt\");\n \/\/\u8bfb\u53d6\u6570\u636e\n int ch;\n while ((ch = fr.read()) != -1) {\n System.out.print((char) ch);\n }\n fr.close();\n }\n}<\/code><\/pre>\n\n\n\n\u6709\u53c2read\u65b9\u6cd5\uff1a<\/h3>\n\n\n\n
public class CharStreamDemo2 {\n \/\/\u6709\u53c2read\u65b9\u6cd5\n public static void main(String[] args) throws IOException {\n \/\/\u521b\u5efa\u5bf9\u8c61\n FileReader fr = new FileReader(\"a.txt\");\n \/\/\u8bfb\u53d6\u6570\u636e\n char[] chars = new char[2];\n int len;\n while ((len = fr.read(chars)) != -1) {\n System.out.print(new String(chars, 0, len));\n }\n fr.close();\n }\n}<\/code><\/pre>\n\n\n\n- \n
- \u6709\u53c2read\u65b9\u6cd5\u628a\u8bfb\u53d6\u6570\u636e\uff0c\u89e3\u7801\uff0c\u5f3a\u8f6c\u4e09\u6b65\u5408\u5e76\u4e86\uff0c\u628a\u5f3a\u8f6c\u4e4b\u540e\u7684\u5b57\u7b26\u653e\u5230\u6570\u7ec4\u5f53\u4e2d\uff0c\u8fd4\u56de\u8bfb\u53d6\u5b57\u7b26\u7684\u4e2a\u6570<\/li>\n\n\n\n
- \u6709\u53c2read = \u7a7a\u53c2read + \u5f3a\u5236\u7c7b\u578b\u8f6c\u6362<\/li>\n<\/ul>\n\n\n\n
\u5e95\u5c42\u539f\u7406<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u5b57\u7b26\u8f93\u51fa\u6d41FileWriter<\/h1>\n\n\n\n
\u6784\u9020\u65b9\u6cd5<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u6210\u5458\u65b9\u6cd5<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u4e66\u5199\u7ec6\u8282<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u57fa\u672c\u4f7f\u7528<\/h2>\n\n\n\n
public class CharStreamDemo3 {\n \/\/\u5b57\u7b26\u8f93\u51fa\u6d41\n public static void main(String[] args) throws IOException {\n \/\/\u521b\u5efa\u5bf9\u8c61\n FileWriter fw = new FileWriter(new File(\"a.txt\"), true);\n fw.write(25105);\n fw.write(\"\\r\\n\");\n fw.write(\"\u6536\u670d\u5230\u795e\u5947\u5b9d\u8d1d\u5566\uff01\uff01\uff01\");\n fw.write(\"\\r\\n\");\n char[] arr = {'\u662f', '\u5c0f', '\u706b', '\u9f99', '\uff01'};\n fw.write(arr);\n fw.close();\n }\n}<\/code><\/pre>\n\n\n\n\u5e95\u5c42\u539f\u7406<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n\u7efc\u5408\u7ec3\u4e601<\/h1>\n\n\n\n
Test01<\/h2>\n\n\n\n
public class Test01 {\n \/*\n * IO\u6d41\u7efc\u5408\u7ec3\u4e601\n * \u9700\u6c42\uff1a\n * \u62f7\u8d1d\u6587\u4ef6\u5939\n * \u8003\u8651\u5b50\u6587\u4ef6\u5939\n *\/\n public static void main(String[] args) throws IOException {\n File root = new File(\"aaa\");\n File target = new File(\"bbb\");\n copyFile(root, target);\n }\n\n private static void copyFile(File root, File target) throws IOException {\n target.mkdirs();\n \/\/\u83b7\u53d6\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u6587\u4ef6\n File[] files = root.listFiles();\n \/\/\u904d\u5386\n for (File file : files) {\n \/\/\u5224\u65ad\n if(file.isFile()) {\n \/\/\u62f7\u8d1d\n \/\/\u5b57\u8282\u6d41\n FileInputStream fis = new FileInputStream(file);\n FileOutputStream fos = new FileOutputStream(new File(target, file.getName()));\n byte[] bytes = new byte[1024];\n int len;\n while ((len = fis.read(bytes)) != -1) {\n fos.write(bytes, 0, len);\n }\n fis.close();\n fos.close();\n } else{\n \/\/\u9012\u5f52\n copyFile(file, new File(target, file.getName()));\n }\n }\n }\n}\n<\/code><\/pre>\n\n\n\nTest02<\/h2>\n\n\n\n
public class Test02 {\n \/\/\u52a0\u5bc6\u89e3\u5bc6\u6587\u4ef6\n public static void main(String[] args) throws IOException {\n \/* \n \/\/\u52a0\u5bc6\n FileInputStream fis = new FileInputStream(\"a.txt\");\n FileOutputStream fos = new FileOutputStream(\"b.txt\");\n int b;\n while ((b = fis.read()) != -1) {\n fos.write(b ^ 100);\n }\n fis.close();\n fos.close();*\/\n \/\/\u89e3\u5bc6\n FileInputStream fis = new FileInputStream(\"b.txt\");\n FileOutputStream fos = new FileOutputStream(\"a.txt\");\n int b;\n while ((b = fis.read()) != -1) {\n fos.write(b ^ 100);\n }\n fis.close();\n fos.close();\n }\n}\n<\/code><\/pre>\n\n\n\nTest03<\/h2>\n\n\n\n
public class Test03 {\n \/*\n * \u4fee\u6539\u6587\u4ef6\u6570\u636e\n * \u5bf98-2-4-1-6\u8fdb\u884c\u6392\u5e8f\n * \u5e38\u89c4\u65b9\u6cd5\n *\/\n public static void main(String[] args) throws IOException {\n \/\/\u8bfb\u53d6\u6570\u636e\n \/\/\u5b57\u7b26\u6d41\n FileReader fr = new FileReader(\"a.txt\");\n int b;\n StringBuilder sb = new StringBuilder();\n while ((b = fr.read()) != -1) {\n sb.append((char) b);\n }\n fr.close();\n String strArr = sb.toString();\n String[] split = strArr.split(\"-\");\n ArrayList<Integer> list = new ArrayList<>();\n for (String s : split) {\n list.add(Integer.parseInt(s));\n }\n Collections.sort(list);\n FileWriter fw = new FileWriter(\"a.txt\");\n for (int i = 0; i < list.size(); i++) {\n if(i == list.size() - 1) {\n fw.write(list.get(i) + \"\");\n } else {\n fw.write(list.get(i) + \"-\");\n }\n }\n fw.close();\n }\n}<\/code><\/pre>\n\n\n\nTest04<\/h2>\n\n\n\n
public class Test04 {\n \/*\n * \u4fee\u6539\u6587\u4ef6\u6570\u636e\n * \u5bf98-2-4-1-6\u8fdb\u884c\u6392\u5e8f\n * \u8fdb\u9636\u65b9\u6cd5\n *\/\n public static void main(String[] args) throws IOException {\n \/\/\u8bfb\u53d6\u6570\u636e\n \/\/\u5b57\u7b26\u6d41\n FileReader fr = new FileReader(\"a.txt\");\n int b;\n StringBuilder sb = new StringBuilder();\n while ((b = fr.read()) != -1) {\n sb.append((char) b);\n }\n fr.close();\n Integer[] array = Arrays.stream(sb.toString().split(\"-\"))\n .map(Integer::parseInt)\n .sorted()\n .toArray(Integer[]::new);\n String s = Arrays.toString(array).replace(\", \", \"-\");\n s = s.substring(1, s.length() - 1);\n FileWriter fw = new FileWriter(\"a.txt\");\n fw.write(s);\n fw.close();\n System.out.println(s);\n }\n}<\/code><\/pre>\n\n\n\n\u5b57\u8282\u7f13\u51b2\u6d41<\/h1>\n\n\n\n
\u4f53\u7cfb<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u6784\u9020\u65b9\u6cd5<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u53ef\u4ee5\u6dfb\u52a0\u7b2c\u4e8c\u4e2a\u53c2\u6570\u6307\u5b9a\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u6bd4\u5982\uff1aBufferedInputStream(InputStream is, int size);<\/p>\n\n\n\n
\u57fa\u672c\u4f7f\u7528<\/h2>\n\n\n\n
\u4f7f\u7528\u5b57\u8282\u7f13\u51b2\u6d41\u8fdb\u884c\u62f7\u8d1d\uff08\u4e00\u6b21\u64cd\u4f5c\u4e00\u4e2a\u5b57\u8282\uff09\uff1a<\/p>\n\n\n\n
public class BufferedStreamDemo1 {\n \/\/\u7528\u5b57\u8282\u7f13\u51b2\u6d41\u8fdb\u884c\u62f7\u8d1d\n public static void main(String[] args) throws IOException {\n BufferedInputStream bis = new BufferedInputStream(new FileInputStream(\"a.txt\"));\n BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(\"copy.txt\"));\n int b;\n while ((b = bis.read()) != -1) {\n bos.write(b);\n }\n bis.close();\n bos.close();\n }\n}<\/code><\/pre>\n\n\n\n\u4f7f\u7528\u5b57\u8282\u7f13\u51b2\u6d41\u8fdb\u884c\u62f7\u8d1d\uff08\u4e00\u6b21\u64cd\u4f5c\u591a\u4e2a\u5b57\u8282\uff09\uff1a<\/p>\n\n\n\n
public class BufferedStreamDemo2 {\n \/\/\u7528\u5b57\u8282\u7f13\u51b2\u6d41\u8fdb\u884c\u62f7\u8d1d(\u4e00\u6b21\u8bfb\u5199\u591a\u4e2a\u5b57\u8282)\n public static void main(String[] args) throws IOException {\n BufferedInputStream bis = new BufferedInputStream(new FileInputStream(\"a.txt\"));\n BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(\"copy2.txt\"));\n int len;\n byte[] bytes = new byte[1024];\n while ((len = bis.read(bytes)) != -1) {\n bos.write(bytes, 0, len);\n }\n bis.close();\n bos.close();\n }\n}\n<\/code><\/pre>\n\n\n\n\u539f\u7406<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u95ee\u9898\uff1a\u5b57\u8282\u7f13\u51b2\u6d41\u7684\u7f13\u51b2\u533a\u662f\u4ec0\u4e48\u65f6\u5019\u521b\u5efa\u7684\uff0c\u4ee5\u53ca\u662f\u4ec0\u4e48\u65f6\u5019\u521d\u59cb\u5316\u7684\uff1f<\/mark><\/p>\n\n\n\n
\u89e3\u7b54\uff1a<\/mark><\/p>\n\n\n\n
- \n
- \u521b\u5efa\uff08\u5206\u914d\u5185\u5b58\uff09\uff1a\u53d1\u751f\u5728
new<\/code> \u5bf9\u8c61\uff08\u8c03\u7528\u6784\u9020\u65b9\u6cd5\uff09 \u65f6\u3002<\/mark><\/li>\n\n\n\n- \u521d\u59cb\u5316\uff08\u586b\u5145\u6570\u636e\/\u5237\u65b0\uff09\uff1a\u5bf9\u4e8e\u8f93\u5165\u6d41\uff0c\u53d1\u751f\u5728\u7b2c\u4e00\u6b21\u8c03\u7528
read()<\/code> \u65f6\uff1b\u5bf9\u4e8e\u8f93\u51fa\u6d41\uff0c\u53d1\u751f\u5728\u8c03\u7528flush()<\/code> \u6216\u7f13\u51b2\u533a\u5199\u6ee1\u65f6\u3002<\/mark><\/li>\n<\/ul>\n\n\n\n\u5b57\u7b26\u7f13\u51b2\u6d41<\/h1>\n\n\n\n
\u6784\u9020\u65b9\u6cd5<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u7279\u6709\u65b9\u6cd5<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u57fa\u672c\u4f7f\u7528<\/h2>\n\n\n\n
\u7528\u5b57\u7b26\u7f13\u51b2\u8f93\u5165\u6d41\u8bfb\u53d6\u6570\u636e<\/p>\n\n\n\n
public class BufferedStreamDemo3 {\n \/\/\u7528\u5b57\u7b26\u7f13\u51b2\u8f93\u5165\u6d41\u8bfb\u53d6\u6570\u636e\n public static void main(String[] args) throws IOException {\n BufferedReader br = new BufferedReader(new FileReader(\"a.txt\"));\n String line;\n while ((line = br.readLine()) != null) {\n System.out.println(line);\n }\n br.close();\n }\n}<\/code><\/pre>\n\n\n\n\u7528\u5b57\u7b26\u7f13\u51b2\u8f93\u51fa\u6d41\u5199\u6570\u636e<\/p>\n\n\n\n
public class BufferedStreamDemo4 {\n \/\/\u7528\u5b57\u7b26\u7f13\u51b2\u8f93\u51fa\u6d41\u5199\u6570\u636e\n public static void main(String[] args) throws IOException {\n BufferedWriter bw = new BufferedWriter(new FileWriter(\"b.txt\", true));\n bw.write(\"\u54c8\u55bd\u5440\");\n bw.newLine();\n bw.write(\"\u6211\u6362\u884c\u4e86\u5440\");\n bw.newLine();\n bw.close();\n }\n}\n<\/code><\/pre>\n\n\n\n<\/div><\/figure>\n\n\n\n\u8f6c\u6362\u6d41<\/h1>\n\n\n\n
\u6982\u8ff0<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u57fa\u672c\u4f7f\u7528<\/h2>\n\n\n\n
\u6307\u5b9a\u5b57\u7b26\u96c6\u8bfb\u5199<\/h3>\n\n\n\n
public class ConvertStreamDemo1 {\n \/*\n * \u5229\u7528\u8f6c\u6362\u6d41\u6309\u7167\u6307\u5b9a\u5b57\u7b26\u7f16\u7801\u8bfb\u53d6\n * gbkfile.txt\n *\/\n public static void main(String[] args) throws IOException {\n \/*InputStreamReader isr = new InputStreamReader(new FileInputStream(\"gbkfile.txt\"), \"GBK\");\n int b;\n while ((b = isr.read()) != -1) {\n System.out.print((char) b);\n }\n isr.close();*\/\n\n \/\/JDK11\u4e4b\u540e\n FileReader fr = new FileReader(\"gbkfile.txt\", Charset.forName(\"GBK\"));\n int b;\n while ((b = fr.read()) != -1) {\n System.out.print((char) b);\n }\n fr.close();\n }\n}<\/code><\/pre>\n\n\n\npublic class ConvertStreamDemo2 {
\/*
* \u5229\u7528\u8f6c\u6362\u6d41\u6309\u7167\u6307\u5b9a\u5b57\u7b26\u96c6\u7f16\u7801\u5199\u51fa
*\/
<\/em>public static void main(String[] args) throws IOException {
\/*OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream(\"gbkfile.txt\"), \"GBK\");
osw.write(\"\u54c8\u55bd\u5440\");
osw.close();*\/
\/\/GDK11\u4e4b\u540e
<\/em>FileWriter fw = new FileWriter(\"b.txt\", Charset.forName<\/em>(\"GBK\"));
fw.write(\"\u4f60\u597d\u5440\");
fw.close();
}
}
<\/pre>\n\n\n\npublic class ConvertStreamDemo3 {
\/*
<\/em> * <\/em>\u5c06\u672c\u5730\u6587\u4ef6\u7684<\/em>GBK<\/em>\u6587\u4ef6\uff0c\u8f6c\u6210<\/em>UTF-8
<\/em> *\/
<\/em> <\/em>public static void main(String[] args) throws IOException {
\/\/JDK11<\/em>\u4e4b\u524d
<\/em> <\/em>InputStreamReader isr = new InputStreamReader(new FileInputStream(\"gbkfile.txt\"), \"GBK\");
OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream(\"a.txt\"), \"UTF-8\");
int b;
while ((b = isr.read()) != -1) {
osw.write(b);
}
isr.close();
osw.close();
\/\/JDK11<\/em>\u4e4b\u540e
<\/em> <\/em>FileReader fr = new FileReader(\"gbkfile.txt\", Charset.forName<\/em>(\"GBK\"));
FileWriter fw = new FileWriter(\"c.txt\", Charset.forName<\/em>(\"UTF-8\"));
int c;
while ((c = fr.read()) != -1) {
fw.write(c);
}
fr.close();
fw.close();
}
}<\/pre>\n\n\n\n\u5229\u7528\u5b57\u8282\u6d41\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6570\u636e\uff08\u7528\u5b57\u7b26\u7f13\u51b2\u6d41\u65b9\u6cd5\uff09<\/h3>\n\n\n\n
public class ConvertStreamDemo4 {\n \/*\n * \u5229\u7528\u5b57\u8282\u6d41\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6570\u636e\uff08\u7528\u5b57\u7b26\u7f13\u51b2\u6d41\u65b9\u6cd5\uff09\n *\/\n public static void main(String[] args) throws IOException {\n BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(\"a.txt\")));\n String line;\n while ((line = br.readLine()) != null) {\n System.out.println(line);\n }\n br.close();\n }\n}<\/code><\/pre>\n\n\n\n\u603b\u7ed3<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u5e8f\u5217\u5316\u6d41<\/h1>\n\n\n\n
\u6982\u8ff0<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n\u57fa\u672c\u4f7f\u7528<\/h2>\n\n\n\n
\u5c06\u4e00\u4e2a\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\u4e2d\uff1a<\/p>\n\n\n\n
public class ObjectStreamDemo1 {\n \/*\n * \u5229\u7528\u5e8f\u5217\u5316\u6d41\u5c06\u4e00\u4e2a\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\u4e2d\n *\/\n public static void main(String[] args) throws IOException {\n Student stu = new Student(\"\u7ae0\u9c7c\u54e5\", 30);\n ObjectOutputStream ois = new ObjectOutputStream(new FileOutputStream(\"a.txt\"));\n ois.writeObject(stu);\n ois.close();\n }\n}<\/code><\/pre>\n\n\n\n\u6ce8\u610f\uff1a\u4f7f\u7528\u5bf9\u8c61\u8f93\u51fa\u6d41\u5c06\u5bf9\u8c61\u4fdd\u5b58\u5230\u6587\u4ef6\u65f6\u4f1a\u51fa\u73b0NotSerializableException\u5f02\u5e38<\/p>\n\n\n\n
\u89e3\u51b3\u65b9\u6848\uff1a\u9700\u8981\u8ba9Javabean\u7c7b\u5b9e\u73b0Serializable\u63a5\u53e3\uff0c\u8be5\u63a5\u53e3\u6ca1\u6709\u62bd\u8c61\u65b9\u6cd5\uff0c\u662f\u4e00\u4e2a\u6807\u8bb0\u578b\u63a5\u53e3<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u5c06\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u5199\u5165\u5bf9\u8c61\u4e2d<\/p>\n\n\n\n
public class ObjectStreamDemo2 {\n \/*\n * \u5229\u7528\u53cd\u5e8f\u5217\u5316\u6d41\u5c06\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u5199\u51fa\u5230\u5bf9\u8c61\u4e2d\n *\/\n public static void main(String[] args) throws IOException, ClassNotFoundException {\n ObjectInputStream ois = new ObjectInputStream(new FileInputStream(\"a.txt\"));\n Object o = ois.readObject();\n ois.close();\n System.out.println(o);\n }\n}<\/code><\/pre>\n\n\n\n\u7ec6\u8282<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u7efc\u5408\u7ec3\u4e60<\/h2>\n\n\n\n
\u5199\u591a\u4e2a\u5bf9\u8c61<\/p>\n\n\n\n
public class Test05 {\n \/*\n * \u5199\u591a\u4e2a\u5bf9\u8c61\n *\/\n public static void main(String[] args) throws IOException {\n ObjectOutputStream ois = new ObjectOutputStream(new FileOutputStream(\"a.txt\"));\n ArrayList<Student> stuList = new ArrayList<>();\n Collections.addAll(stuList, new Student(\"\u6d77\u7ef5\u5b9d\u5b9d\", 18), new Student(\"\u7ae0\u9c7c\u54e5\", 30), new Student(\"\u6d3e\u5927\u661f\", 20));\n ois.writeObject(stuList);\n ois.close();\n }\n}\n<\/code><\/pre>\n\n\n\n\u8bfb\u591a\u4e2a\u5bf9\u8c61<\/p>\n\n\n\n
public class Test06 {\n \/\/\u8bfb\u591a\u4e2a\u5bf9\u8c61\n public static void main(String[] args) throws IOException, ClassNotFoundException {\n ObjectInputStream ois = new ObjectInputStream(new FileInputStream(\"a.txt\"));\n ArrayList<Student> list = (ArrayList<Student>)ois.readObject();\n ois.close();\n System.out.println(list);\n }\n}\n<\/code><\/pre>\n\n\n\n\u6253\u5370\u6d41<\/h1>\n\n\n\n
\u6982\u8ff0<\/h2>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u5b57\u8282\u6253\u5370\u6d41<\/h2>\n\n\n\n
\u6784\u9020\u65b9\u6cd5<\/h3>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u6210\u5458\u65b9\u6cd5<\/h3>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u57fa\u672c\u4f7f\u7528<\/h3>\n\n\n\n
public class PrintStreamDemo1 {\n \/*\n * \u5b57\u8282\u6253\u5370\u6d41\n *\/\n public static void main(String[] args) throws FileNotFoundException {\n PrintStream ps = new PrintStream(new FileOutputStream(\"a.txt\"), true, Charset.forName(\"UTF-8\"));\n ps.println(\"\u54c8\u55bd\u5440\");\n ps.print(\"\u6211\u662f\u8721\u7b14\u5c0f\u65b0\");\n ps.println();\n ps.printf(\"%s\u662f%s\u7684\", \"\u8721\u7b14\u5c0f\u65b0\", \"\u6625\u65e5\u90e8\");\n ps.close();\n }\n}<\/code><\/pre>\n\n\n\n\u5b57\u7b26\u6253\u5370\u6d41<\/h2>\n\n\n\n
\u6784\u9020\u65b9\u6cd5<\/h3>\n\n\n\n
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<\/div><\/figure>\n\n\n\n\u57fa\u672c\u4f7f\u7528<\/h3>\n\n\n\n
public class PrintStreamDemo2 {\n \/*\n * \u5b57\u7b26\u6253\u5370\u6d41\n *\/\n public static void main(String[] args) throws IOException {\n PrintWriter pw = new PrintWriter(new FileWriter(\"a.txt\"), true);\n pw.println(\"\u54c8\u55bd\u5440\");\n pw.print(\"\u6211\u662f\u8721\u7b14\u5c0f\u65b0\");\n pw.println();\n pw.printf(\"%s\u662f%s\u7684\", \"\u8721\u7b14\u5c0f\u65b0\", \"\u6625\u65e5\u90e8\");\n pw.close();\n }\n}<\/code><\/pre>\n\n\n\n\u603b\u7ed3<\/h2>\n\n\n\n
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\u89e3\u538b\u7f29\u6d41<\/h2>\n\n\n\n
\u4f5c\u7528<\/h3>\n\n\n\n
\u5c06\u4e00\u4e2a\u538b\u7f29\u5305\u89e3\u538b<\/p>\n\n\n\n
\u57fa\u672c\u4f7f\u7528<\/h3>\n\n\n\n
public class ZipStreamDemo1 {\n \/\/\u89e3\u538b\u7f29\u6d41\n public static void main(String[] args) throws IOException {\n File root = new File(\"F:\\\\TestFile\\\\IO\\\\aaa.zip\");\n File target = new File(\"F:\\\\TestFile\\\\IO\\\\\");\n unzip(root, target);\n }\n\n private static void unzip(File root, File target) throws IOException {\n ZipInputStream zip = new ZipInputStream(new FileInputStream(root));\n ZipEntry entry;\n while ((entry = zip.getNextEntry()) != null) {\n File file = new File(target, entry.toString());\n if (entry.isDirectory()) {\n file.mkdirs();\n } else {\n int b;\n FileOutputStream fos = new FileOutputStream(file);\n while ((b = zip.read()) != -1) {\n fos.write(b);\n }\n fos.close();\n zip.closeEntry();\n }\n System.out.println(entry.toString());\n }\n zip.close();\n }\n}<\/code><\/pre>\n\n\n\n\u538b\u7f29\u6d41<\/h2>\n\n\n\n
\u4f5c\u7528<\/h3>\n\n\n\n
\u5c06\u4e00\u4e2a\u6587\u4ef6\u5939\u6216\u8005\u6587\u4ef6\u8fdb\u884c\u538b\u7f29<\/p>\n\n\n\n
\u57fa\u672c\u4f7f\u7528<\/h3>\n\n\n\n
\u538b\u7f29\u4e00\u4e2a\u6587\u4ef6\u5939<\/p>\n\n\n\n
public class ZipStreamDemo2 {\n \/\/\u538b\u7f29\u6d41\u538b\u7f29\u6587\u4ef6\u5939\n public static void main(String[] args) throws IOException {\n \/\/\u538b\u7f29\u54ea\u4e2a\u6587\u4ef6\uff1f\n File src = new File(\"F:\\\\TestFile\\\\IO\\\\aaa\");\n \/\/\u538b\u7f29\u5230\u54ea?\n File parentFile = src.getParentFile();\/\/F:\\TestFile\\IO\n File dest = new File(parentFile, src.getName() + \".zip\");\/\/F:\\TestFile\\IO\\aaa.zip\n \/\/\u521b\u5efa\u538b\u7f29\u6d41\u5bf9\u8c61\n ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(dest));\n \/\/\u5c06src\u4e2d\u7684\u6bcf\u4e2a\u6587\u4ef6\u5939\u6216\u6587\u4ef6\u8f6c\u6362\u6210ZipEntry\u5bf9\u8c61\u5b58\u5165aaa.zip\n toZip(src, zos, src.getName());\n \/\/\u91ca\u653e\u8d44\u6e90\n zos.close();\n\n }\n\n private static void toZip(File src, ZipOutputStream zos, String name) throws IOException {\n \/\/\u83b7\u53d6src\u4e2d\u7684\u6240\u6709\u6587\u4ef6\n File[] files = src.listFiles();\n \/\/\u904d\u5386\n for (File file : files) {\n if(file.isFile()) {\n \/\/\u6587\u4ef6\uff0c\u8f6c\u6362\u4e3aZipEntry\u5bf9\u8c61\uff0cput\u8fdbzos\n ZipEntry zipEntry = new ZipEntry(name + \"\\\\\" + file.getName());\n zos.putNextEntry(zipEntry);\n \/\/\u62f7\u8d1d\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u5230entry\u5bf9\u8c61\u4e2d\n int b;\n FileInputStream fis = new FileInputStream(file);\n while ((b = fis.read()) != -1) {\n zos.write(b);\n }\n fis.close();\n zos.closeEntry();\n } else {\n \/\/\u6587\u4ef6\u5939\uff0c\u9012\u5f52\n toZip(file, zos, name + \"\\\\\" + file.getName());\n }\n\n }\n }\n}<\/code><\/pre>\n\n\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"
IO\u6d41\u6982\u8ff0 1.\u4ec0\u4e48\u662fIO\u6d41\uff1a 2.IO\u6d41\u7684\u4f5c\u7528\uff1a 3.IO\u6d41\u6309\u7167\u6d41\u5411\u53ef\u4ee5\u5206\u7c7b\u4e3a\u54ea\u4e24\u79cd\u6d41\uff1a 4.IO\u6d41\u6309\u7167\u64cd\u4f5c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-103","post","type-post","status-publish","format-standard","hentry","category-learn"],"_links":{"self":[{"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/posts\/103"}],"collection":[{"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/comments?post=103"}],"version-history":[{"count":19,"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/posts\/103\/revisions"}],"predecessor-version":[{"id":173,"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/posts\/103\/revisions\/173"}],"wp:attachment":[{"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/media?parent=103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/categories?post=103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mofan.help\/index.php\/wp-json\/wp\/v2\/tags?post=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- \u521d\u59cb\u5316\uff08\u586b\u5145\u6570\u636e\/\u5237\u65b0\uff09\uff1a\u5bf9\u4e8e\u8f93\u5165\u6d41\uff0c\u53d1\u751f\u5728\u7b2c\u4e00\u6b21\u8c03\u7528
- \u521b\u5efa\uff08\u5206\u914d\u5185\u5b58\uff09\uff1a\u53d1\u751f\u5728
- \u7528windows\u7cfb\u7edf\u81ea\u5e26\u7684\u8bb0\u4e8b\u672c\u6253\u5f00\u5e76\u4e14\u80fd\u8bfb\u61c2\u7684\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n
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