{"id":1457,"date":"2026-05-22T18:26:26","date_gmt":"2026-05-22T10:26:26","guid":{"rendered":"https:\/\/yunyanglib.cn\/?p=1457"},"modified":"2026-05-22T18:33:01","modified_gmt":"2026-05-22T10:33:01","slug":"%e3%80%90java%e3%80%91java-io-%e7%9f%a5%e8%af%86%e4%bd%93%e7%b3%bb%ef%bc%9a%e4%bb%8e%e5%8e%9f%e7%90%86%e5%88%b0%e5%ae%9e%e6%88%98%ef%bc%8c%e4%b8%80%e6%96%87%e5%90%83%e9%80%8f%e6%b5%81%e6%93%8d","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=1457","title":{"rendered":"\u3010Java\u3011Java IO \u77e5\u8bc6\u4f53\u7cfb\uff1a\u4ece\u539f\u7406\u5230\u5b9e\u6218\uff0c\u4e00\u6587\u5403\u900f\u6d41\u64cd\u4f5c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e91\u626c\uff5e \u4eca\u5929\u6765\u548c\u5927\u5bb6\u6df1\u5165\u804a\u804a Java IO \u8fd9\u4e2a\u57fa\u7840\u53c8\u6838\u5fc3\u7684\u77e5\u8bc6\u4f53\u7cfb\u3002\u4f5c\u4e3a\u540e\u7aef\u5f00\u53d1\u4e2d\u6570\u636e\u8bfb\u5199\u7684\u6838\u5fc3\u6280\u672f\uff0cIO \u64cd\u4f5c\u8d2f\u7a7f\u4e86\u6587\u4ef6\u5904\u7406\u3001\u7f51\u7edc\u901a\u4fe1\u7b49\u8bf8\u591a\u573a\u666f\uff0c\u4f46\u4e0d\u5c11\u5c0f\u4f19\u4f34\u4f1a\u88ab\u5b57\u8282\u6d41\u3001\u5b57\u7b26\u6d41\u3001\u5404\u79cd\u6d41\u5b9e\u73b0\u7c7b\u641e\u5f97\u6655\u5934\u8f6c\u5411\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c31\u4ece\u57fa\u7840\u6982\u5ff5\u51fa\u53d1\uff0c\u7ed3\u5408\u5b9e\u9645\u4ee3\u7801\u793a\u4f8b\uff0c\u5e26\u5927\u5bb6\u7cfb\u7edf\u6027\u638c\u63e1 Java IO \u7684\u6838\u5fc3\u77e5\u8bc6\u70b9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u521d\u8bc6 Java IO\uff1a\u6d41\u662f\u6570\u636e\u4f20\u8f93\u7684\u6865\u6881<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Java \u901a\u8fc7<strong>\u6d41\uff08Stream\uff09<\/strong> \u6765\u5904\u7406 IO \u64cd\u4f5c\uff0c\u6d41\u5c31\u50cf\u4e00\u6839\u8fde\u63a5\u7a0b\u5e8f\u4e0e\u6570\u636e\u6e90\uff08\u6216\u76ee\u7684\u5730\uff09\u7684\u7ba1\u9053\uff0c\u6570\u636e\u4ee5 \u201c\u5148\u8fdb\u5148\u51fa\u201d \u7684\u65b9\u5f0f\u5728\u7ba1\u9053\u4e2d\u4f20\u8f93\u3002\u6bd4\u5982\u6211\u4eec\u8bfb\u53d6\u672c\u5730\u6587\u4ef6\u65f6\uff0c\u7a0b\u5e8f\u4f1a\u5f00\u542f\u4e00\u6761\u901a\u5411\u6587\u4ef6\u7684\u8f93\u5165\u6d41\uff1b\u5199\u5165\u6570\u636e\u5230\u6570\u636e\u5e93\u65f6\uff0c\u4f1a\u5f00\u542f\u4e00\u6761\u901a\u5411\u6570\u636e\u5e93\u7684\u8f93\u51fa\u6d41\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u6709\u4e09\u4e2a\u6838\u5fc3\u7279\u6027\uff0c\u5927\u5bb6\u4e00\u5b9a\u8981\u7262\u8bb0\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5148\u8fdb\u5148\u51fa<\/strong>\uff1a\u6700\u5148\u5199\u5165\u7684\u6570\u636e\u4f1a\u6700\u5148\u88ab\u8bfb\u53d6\uff0c\u5c31\u50cf\u6392\u961f\u4e70\u7968\u4e00\u6837\uff0c\u987a\u5e8f\u4e0d\u80fd\u4e71\uff1b<\/li>\n\n\n\n<li><strong>\u987a\u5e8f\u5b58\u53d6<\/strong>\uff1a\u9ed8\u8ba4\u53ea\u80fd\u6309\u987a\u5e8f\u8bfb\u5199\u6570\u636e\uff0c\u65e0\u6cd5\u76f4\u63a5\u8df3\u8f6c\u5230\u4e2d\u95f4\u4f4d\u7f6e\uff08RandomAccessFile \u662f\u7279\u4f8b\uff0c\u540e\u9762\u4f1a\u63d0\u5230\uff09\uff1b<\/li>\n\n\n\n<li><strong>\u5355\u5411\u6027<\/strong>\uff1a\u6bcf\u4e2a\u6d41\u8981\u4e48\u662f\u8f93\u5165\u6d41\uff08\u8bfb\u6570\u636e\uff09\uff0c\u8981\u4e48\u662f\u8f93\u51fa\u6d41\uff08\u5199\u6570\u636e\uff09\uff0c\u4e0d\u80fd\u540c\u65f6\u517c\u5177\u4e24\u79cd\u529f\u80fd\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6309\u4f20\u8f93\u65b9\u5f0f\u5212\u5206\uff1a\u5b57\u8282\u6d41 vs \u5b57\u7b26\u6d41<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Java IO \u6d41\u6700\u6838\u5fc3\u7684\u5206\u7c7b\u5c31\u662f\u6309\u4f20\u8f93\u6570\u636e\u7684\u5355\u4f4d\uff0c\u5206\u4e3a<strong>\u5b57\u8282\u6d41<\/strong>\u548c<strong>\u5b57\u7b26\u6d41<\/strong>\uff0c\u4e24\u8005\u7684\u9002\u7528\u573a\u666f\u548c\u6838\u5fc3\u7c7b\u5404\u4e0d\u76f8\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5b57\u8282\u6d41\uff1a\u5904\u7406\u6240\u6709\u4e8c\u8fdb\u5236\u6570\u636e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u8282\u6d41\u4ee5 \u201c\u5b57\u8282\uff08byte\uff09\u201d \u4e3a\u5355\u4f4d\u4f20\u8f93\u6570\u636e\uff0c\u9002\u7528\u4e8e\u6240\u6709\u6587\u4ef6\u7c7b\u578b\uff0c\u5c24\u5176\u662f\u56fe\u7247\u3001\u97f3\u9891\u3001\u89c6\u9891\u7b49\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u6838\u5fc3\u62bd\u8c61\u7c7b\u662f <code>InputStream<\/code>\uff08\u8f93\u5165\u5b57\u8282\u6d41\uff09\u548c <code>OutputStream<\/code>\uff08\u8f93\u51fa\u5b57\u8282\u6d41\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6838\u5fc3\u65b9\u6cd5\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileInputStream;\nimport java.io.FileOutputStream;\nimport java.io.IOException;\n\npublic class ByteStreamDemo {\n    public static void main(String&#91;] args) {\n        \/\/ \u5b57\u8282\u6d41\u8bfb\u53d6\u6587\u4ef6\uff08\u8f93\u5165\u6d41\uff09\n        try (FileInputStream fis = new FileInputStream(\"test.jpg\")) {\n            byte&#91;] buffer = new byte&#91;1024]; \/\/ \u7f13\u51b2\u533a\uff0c\u6bcf\u6b21\u8bfb1024\u5b57\u8282\n            int len;\n            \/\/ read()\u65b9\u6cd5\u8fd4\u56de\u8bfb\u53d6\u7684\u5b57\u8282\u6570\uff0c-1\u8868\u793a\u8bfb\u53d6\u7ed3\u675f\n            while ((len = fis.read(buffer, 0, buffer.length)) != -1) {\n                System.out.println(\"\u8bfb\u53d6\u5230 \" + len + \" \u5b57\u8282\u6570\u636e\");\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ \u5b57\u8282\u6d41\u5199\u5165\u6587\u4ef6\uff08\u8f93\u51fa\u6d41\uff09\n        try (FileOutputStream fos = new FileOutputStream(\"test.txt\")) {\n            String content = \"\u8fd9\u662f\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u6d4b\u8bd5\u5185\u5bb9\";\n            byte&#91;] data = content.getBytes();\n            \/\/ \u4ece\u6570\u7ec40\u4f4d\u7f6e\u5f00\u59cb\uff0c\u5199\u5165\u5168\u90e8\u5b57\u8282\n            fos.write(data, 0, data.length);\n            fos.flush(); \/\/ \u5f3a\u5236\u5237\u65b0\u7f13\u51b2\u533a\uff0c\u786e\u4fdd\u6570\u636e\u5199\u5165\n            System.out.println(\"\u6570\u636e\u5199\u5165\u6210\u529f\");\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u7528\u5230\u4e86<code>try-with-resources<\/code>\u8bed\u6cd5\uff0c\u4f1a\u81ea\u52a8\u5173\u95ed\u6d41\uff0c\u907f\u514d\u624b\u52a8\u5173\u95ed\u9057\u6f0f\u5bfc\u81f4\u7684\u8d44\u6e90\u6cc4\u9732\uff0c\u8fd9\u662f Java 7 + \u7684\u63a8\u8350\u5199\u6cd5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5b57\u7b26\u6d41\uff1a\u4e13\u95e8\u5904\u7406\u6587\u672c\u6587\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u7b26\u6d41\u4ee5 \u201c\u5b57\u7b26\uff08char\uff09\u201d \u4e3a\u5355\u4f4d\u4f20\u8f93\u6570\u636e\uff0c\u672c\u8d28\u662f\u5b57\u8282\u6d41 + \u7f16\u7801\u8f6c\u6362\uff08\u5982 UTF-8\u3001GBK\uff09\uff0c\u9002\u7528\u4e8e\u6587\u672c\u6587\u4ef6\uff08.txt\u3001.java \u7b49\uff09\u3002\u6838\u5fc3\u62bd\u8c61\u7c7b\u662f <code>Reader<\/code>\uff08\u8f93\u5165\u5b57\u7b26\u6d41\uff09\u548c <code>Writer<\/code>\uff08\u8f93\u51fa\u5b57\u7b26\u6d41\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6838\u5fc3\u65b9\u6cd5\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileReader;\nimport java.io.FileWriter;\nimport java.io.IOException;\n\npublic class CharStreamDemo {\n    public static void main(String&#91;] args) {\n        \/\/ \u5b57\u7b26\u6d41\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\n        try (FileReader fr = new FileReader(\"test.txt\")) {\n            char&#91;] buffer = new char&#91;1024];\n            int len;\n            \/\/ read()\u8fd4\u56de\u8bfb\u53d6\u7684\u5b57\u7b26\u6570\uff0c-1\u8868\u793a\u7ed3\u675f\n            while ((len = fr.read(buffer, 0, buffer.length)) != -1) {\n                \/\/ \u5c06\u5b57\u7b26\u6570\u7ec4\u8f6c\u4e3a\u5b57\u7b26\u4e32\u8f93\u51fa\n                System.out.print(new String(buffer, 0, len));\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ \u5b57\u7b26\u6d41\u5199\u5165\u6587\u672c\u6587\u4ef6\n        try (FileWriter fw = new FileWriter(\"output.txt\")) {\n            String content = \"Java IO \u5b57\u7b26\u6d41\u5b9e\u6218\\n\u6362\u884c\u6d4b\u8bd5\";\n            \/\/ \u5199\u5165\u5b57\u7b26\u6570\u7ec4\u7684\u6307\u5b9a\u90e8\u5206\n            fw.write(content.toCharArray(), 0, content.length());\n            fw.flush();\n            System.out.println(\"\\n\u6587\u672c\u5199\u5165\u6210\u529f\");\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a\u5b57\u7b26\u6d41\u5904\u7406\u6587\u672c\u65f6\u4f1a\u81ea\u52a8\u5904\u7406\u7f16\u7801\u95ee\u9898\uff0c\u800c\u5b57\u8282\u6d41\u9700\u8981\u624b\u52a8\u6307\u5b9a\u7f16\u7801\uff08\u540e\u9762\u8f6c\u6362\u6d41\u4f1a\u8bb2\u5230\uff09\uff0c\u8fd9\u662f\u4e24\u8005\u7684\u6838\u5fc3\u533a\u522b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u6309\u64cd\u4f5c\u5bf9\u8c61\u5212\u5206\uff1a\u5e38\u7528\u6d41\u5b9e\u73b0\u7c7b\u5b9e\u6218<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u4e86\u4f20\u8f93\u65b9\u5f0f\uff0cIO \u6d41\u8fd8\u53ef\u4ee5\u6309\u64cd\u4f5c\u5bf9\u8c61\uff08\u6570\u636e\u6e90 \/ \u76ee\u7684\u5730\uff09\u5206\u7c7b\uff0c\u4e0b\u9762\u4ecb\u7ecd\u5f00\u53d1\u4e2d\u6700\u5e38\u7528\u7684\u51e0\u79cd\u5b9e\u73b0\u7c7b\u53ca\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u6587\u4ef6\u64cd\u4f5c\uff1aFileInputStream\/FileOutputStream\u3001FileReader\/FileWriter<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u6700\u57fa\u7840\u7684\u6587\u4ef6\u8bfb\u5199\u6d41\uff0c\u524d\u9762\u7684\u793a\u4f8b\u5df2\u7ecf\u7528\u5230\uff0c\u6838\u5fc3\u662f\u64cd\u4f5c\u672c\u5730\u6587\u4ef6\u3002\u8fd9\u91cc\u8865\u5145\u4e00\u4e2a \u201c\u6587\u4ef6\u590d\u5236\u201d \u7684\u5b8c\u6574\u793a\u4f8b\uff08\u5b57\u8282\u6d41\uff0c\u9002\u7528\u4e8e\u6240\u6709\u6587\u4ef6\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class FileCopyDemo {\n    public static void main(String&#91;] args) {\n        String sourcePath = \"source.pdf\"; \/\/ \u6e90\u6587\u4ef6\u8def\u5f84\n        String targetPath = \"target.pdf\"; \/\/ \u76ee\u6807\u6587\u4ef6\u8def\u5f84\n\n        try (FileInputStream fis = new FileInputStream(sourcePath);\n             FileOutputStream fos = new FileOutputStream(targetPath)) {\n\n            byte&#91;] buffer = new byte&#91;4096]; \/\/ 4KB\u7f13\u51b2\u533a\uff0c\u63d0\u5347\u6548\u7387\n            int len;\n            long startTime = System.currentTimeMillis();\n            while ((len = fis.read(buffer)) != -1) {\n                fos.write(buffer, 0, len);\n            }\n            long endTime = System.currentTimeMillis();\n            System.out.println(\"\u6587\u4ef6\u590d\u5236\u5b8c\u6210\uff0c\u8017\u65f6\uff1a\" + (endTime - startTime) + \"ms\");\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7f13\u51b2\u6d41\uff1aBufferedInputStream\/BufferedOutputStream\u3001BufferedReader\/BufferedWriter<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f13\u51b2\u6d41\u662f\u5bf9\u57fa\u7840\u6d41\u7684\u5305\u88c5\uff0c\u901a\u8fc7\u7f13\u51b2\u533a\u51cf\u5c11\u78c1\u76d8 IO \u6b21\u6570\uff0c\u5927\u5e45\u63d0\u5347\u8bfb\u5199\u6548\u7387\u3002<strong>\u5f00\u53d1\u4e2d\u63a8\u8350\u4f18\u5148\u4f7f\u7528\u7f13\u51b2\u6d41<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b57\u7b26\u7f13\u51b2\u6d41\u793a\u4f8b\uff08\u5e26\u6362\u884c\u8bfb\u53d6\uff09<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.BufferedReader;\nimport java.io.BufferedWriter;\nimport java.io.FileReader;\nimport java.io.FileWriter;\nimport java.io.IOException;\n\npublic class BufferedStreamDemo {\n    public static void main(String&#91;] args) {\n        \/\/ \u7f13\u51b2\u5b57\u7b26\u6d41\u8bfb\u53d6\uff08\u652f\u6301\u6309\u884c\u8bfb\u53d6\uff09\n        try (BufferedReader br = new BufferedReader(new FileReader(\"test.txt\"))) {\n            String line;\n            \/\/ readLine()\u65b9\u6cd5\u8bfb\u53d6\u4e00\u884c\u6570\u636e\uff0c\u8fd4\u56denull\u8868\u793a\u7ed3\u675f\n            while ((line = br.readLine()) != null) {\n                System.out.println(\"\u8bfb\u53d6\u5230\u4e00\u884c\uff1a\" + line);\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ \u7f13\u51b2\u5b57\u7b26\u6d41\u5199\u5165\uff08\u652f\u6301\u6362\u884c\uff09\n        try (BufferedWriter bw = new BufferedWriter(new FileWriter(\"buffered_output.txt\"))) {\n            bw.write(\"\u7b2c\u4e00\u884c\u6570\u636e\");\n            bw.newLine(); \/\/ \u6362\u884c\u64cd\u4f5c\uff0c\u8de8\u5e73\u53f0\u517c\u5bb9\n            bw.write(\"\u7b2c\u4e8c\u884c\u6570\u636e\");\n            bw.flush();\n            System.out.println(\"\u7f13\u51b2\u6d41\u5199\u5165\u6210\u529f\");\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u8f6c\u6362\u6d41\uff1aInputStreamReader\/OutputStreamWriter<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f6c\u6362\u6d41\u662f\u5b57\u8282\u6d41\u548c\u5b57\u7b26\u6d41\u7684\u6865\u6881\uff0c\u7528\u4e8e\u5904\u7406\u7f16\u7801\u8f6c\u6362\u3002\u6bd4\u5982\u7528\u6307\u5b9a\u7f16\u7801\uff08\u5982 UTF-8\uff09\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7f16\u7801\u8f6c\u6362\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileInputStream;\nimport java.io.InputStreamReader;\nimport java.io.IOException;\n\npublic class ConvertStreamDemo {\n    public static void main(String&#91;] args) {\n        \/\/ \u5b57\u8282\u6d41 -&gt; \u5b57\u7b26\u6d41\uff0c\u6307\u5b9aUTF-8\u7f16\u7801\n        try (InputStreamReader isr = new InputStreamReader(\n                new FileInputStream(\"utf8_file.txt\"), \"UTF-8\")) {\n\n            char&#91;] buffer = new char&#91;1024];\n            int len;\n            while ((len = isr.read(buffer)) != -1) {\n                System.out.println(new String(buffer, 0, len));\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u5bf9\u8c61\u6d41\uff1aObjectInputStream\/ObjectOutputStream<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u8c61\u6d41\u7528\u4e8e\u5b9e\u73b0<strong>\u5bf9\u8c61\u7684\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316<\/strong>\uff0c\u5373\u5c06 Java \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\uff08\u5e8f\u5217\u5316\uff09\uff0c\u6216\u4ece\u5b57\u8282\u6d41\u6062\u590d\u4e3a Java \u5bf9\u8c61\uff08\u53cd\u5e8f\u5217\u5316\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5bf9\u8c61\u5e8f\u5217\u5316\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileOutputStream;\nimport java.io.ObjectOutputStream;\nimport java.io.Serializable;\nimport java.io.IOException;\n\n\/\/ \u5e8f\u5217\u5316\u7684\u7c7b\u5fc5\u987b\u5b9e\u73b0Serializable\u63a5\u53e3\uff08\u6807\u8bb0\u63a5\u53e3\uff0c\u65e0\u62bd\u8c61\u65b9\u6cd5\uff09\nclass User implements Serializable {\n    private static final long serialVersionUID = 1L; \/\/ \u5e8f\u5217\u5316\u7248\u672c\u53f7\uff0c\u907f\u514d\u7248\u672c\u51b2\u7a81\n    private String name;\n    private int age;\n\n    public User(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n\n    @Override\n    public String toString() {\n        return \"User{name='\" + name + \"', age=\" + age + \"}\";\n    }\n}\n\npublic class ObjectStreamDemo {\n    public static void main(String&#91;] args) {\n        \/\/ \u5bf9\u8c61\u5e8f\u5217\u5316\uff1a\u5c06User\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\n        try (ObjectOutputStream oos = new ObjectOutputStream(\n                new FileOutputStream(\"user.ser\"))) {\n\n            User user = new User(\"\u4e91\u626c\", 28);\n            oos.writeObject(user);\n            System.out.println(\"\u5bf9\u8c61\u5e8f\u5217\u5316\u6210\u529f\");\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ \u5bf9\u8c61\u53cd\u5e8f\u5217\u5316\uff1a\u4ece\u6587\u4ef6\u6062\u590dUser\u5bf9\u8c61\n        try (ObjectInputStream ois = new ObjectInputStream(\n                new FileInputStream(\"user.ser\"))) {\n\n            User user = (User) ois.readObject();\n            System.out.println(\"\u5bf9\u8c61\u53cd\u5e8f\u5217\u5316\u7ed3\u679c\uff1a\" + user);\n        } catch (IOException | ClassNotFoundException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a\u5e8f\u5217\u5316\u7c7b\u5fc5\u987b\u5b9e\u73b0<code>Serializable<\/code>\u63a5\u53e3\uff0c\u4e14\u7c7b\u4e2d\u7684\u6240\u6709\u5c5e\u6027\u4e5f\u9700\u652f\u6301\u5e8f\u5217\u5316\uff08\u57fa\u672c\u7c7b\u578b\u9ed8\u8ba4\u652f\u6301\uff0c\u5f15\u7528\u7c7b\u578b\u9700\u540c\u6837\u5b9e\u73b0\u63a5\u53e3\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001IO \u6d41\u4f7f\u7528\u6838\u5fc3\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8d44\u6e90\u5173\u95ed<\/strong>\uff1a\u6d41\u64cd\u4f5c\u5b8c\u6210\u540e\u5fc5\u987b\u5173\u95ed\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u8d44\u6e90\u6cc4\u9732\u3002\u63a8\u8350\u4f7f\u7528<code>try-with-resources<\/code>\u8bed\u6cd5\uff08Java 7+\uff09\uff0c\u81ea\u52a8\u5173\u95ed\u5b9e\u73b0<code>AutoCloseable<\/code>\u63a5\u53e3\u7684\u8d44\u6e90\u3002<\/li>\n\n\n\n<li><strong>\u7f13\u51b2\u533a\u5237\u65b0<\/strong>\uff1a\u8f93\u51fa\u6d41\uff08\u5c24\u5176\u662f\u7f13\u51b2\u6d41\uff09\u9700\u8c03\u7528<code>flush()<\/code>\u65b9\u6cd5\uff0c\u786e\u4fdd\u7f13\u51b2\u533a\u6570\u636e\u5168\u90e8\u5199\u5165\u76ee\u7684\u5730\uff0c\u907f\u514d\u6570\u636e\u4e22\u5931\u3002<\/li>\n\n\n\n<li><strong>\u7f16\u7801\u4e00\u81f4<\/strong>\uff1a\u5b57\u7b26\u6d41\u8bfb\u5199\u65f6\u9700\u4fdd\u8bc1\u7f16\u7801\u4e00\u81f4\uff08\u5982\u5747\u4f7f\u7528 UTF-8\uff09\uff0c\u5426\u5219\u4f1a\u51fa\u73b0\u4e71\u7801\u95ee\u9898\u3002<\/li>\n\n\n\n<li><strong>\u5f02\u5e38\u5904\u7406<\/strong>\uff1aIO \u64cd\u4f5c\u53ef\u80fd\u629b\u51fa<code>IOException<\/code>\uff0c\u5fc5\u987b\u8fdb\u884c\u6355\u83b7\u6216\u58f0\u660e\u629b\u51fa\uff0c\u907f\u514d\u7a0b\u5e8f\u5d29\u6e83\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Java IO \u77e5\u8bc6\u4f53\u7cfb\u7684\u6838\u5fc3\u662f \u201c\u6d41\u201d\uff0c\u901a\u8fc7\u5b57\u8282\u6d41\u5904\u7406\u6240\u6709\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u5b57\u7b26\u6d41\u4e13\u95e8\u5904\u7406\u6587\u672c\u6570\u636e\uff0c\u518d\u7ed3\u5408\u4e0d\u540c\u64cd\u4f5c\u5bf9\u8c61\u7684\u6d41\u5b9e\u73b0\u7c7b\uff0c\u5c31\u80fd\u6ee1\u8db3\u5404\u79cd IO \u573a\u666f\u9700\u6c42\u3002\u638c\u63e1\u672c\u6587\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5\u3001\u5e38\u7528\u7c7b\u53ca\u4ee3\u7801\u793a\u4f8b\uff0c\u5c31\u80fd\u8f7b\u677e\u5e94\u5bf9\u5f00\u53d1\u4e2d\u7684 IO \u64cd\u4f5c\u95ee\u9898\uff5e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5927\u5bb6\u6709\u7591\u95ee\u6216\u8865\u5145\uff0c\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u7559\u8a00\u4ea4\u6d41\uff01\u540e\u7eed\u8fd8\u4f1a\u5206\u4eab Java IO \u7684\u8fdb\u9636\u77e5\u8bc6\u70b9\uff08\u5982 NIO\uff09\uff0c\u8bb0\u5f97\u5173\u6ce8\u54e6\uff5e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e91\u626c\uff5e \u4eca\u5929\u6765\u548c\u5927\u5bb6\u6df1\u5165\u804a\u804a Java IO \u8fd9\u4e2a\u57fa\u7840\u53c8\u6838\u5fc3\u7684\u77e5\u8bc6\u4f53\u7cfb\u3002\u4f5c\u4e3a\u540e\u7aef\u5f00\u53d1\u4e2d\u6570\u636e\u8bfb\u5199\u7684\u6838<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=1457\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa fa-caret-right\"><\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":1498,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[15],"class_list":["post-1457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-java"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1457"}],"version-history":[{"count":6,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1457\/revisions"}],"predecessor-version":[{"id":1500,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1457\/revisions\/1500"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/1498"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}