{"id":1520,"date":"2026-05-31T22:54:22","date_gmt":"2026-05-31T14:54:22","guid":{"rendered":"https:\/\/yunyanglib.cn\/?p=1520"},"modified":"2026-05-31T22:54:22","modified_gmt":"2026-05-31T14:54:22","slug":"%e3%80%90java%e3%80%91%e8%bd%ac%e6%8d%a2%e6%b5%81%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=1520","title":{"rendered":"\u3010Java\u3011\u8f6c\u6362\u6d41\u8be6\u89e3"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5927\u5bb6\u597d\uff0c\u672c\u7bc7\u7ee7\u7eed\u66f4\u65b0 Java IO \u6d41\u7cfb\u5217\u5185\u5bb9\uff0c\u524d\u9762\u6211\u4eec\u8bb2\u89e3\u4e86\u5b57\u8282\u6d41\u3001\u5b57\u7b26\u6d41\uff0c\u4eca\u5929\u91cd\u70b9\u6765\u8bb2<strong>\u8f6c\u6362\u6d41<\/strong>\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5b57\u8282\u6d41\u4e0e\u5b57\u7b26\u6d41\u4e92\u8f6c\u3001\u6587\u4ef6\u8bfb\u5199\u4e71\u7801\u7b49\u95ee\u9898\uff0c\u57fa\u672c\u90fd\u9760\u8f6c\u6362\u6d41\u6765\u89e3\u51b3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u8f6c\u6362\u6d41\u7684\u6838\u5fc3\u4f5c\u7528<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Java IO \u5206\u4e3a<strong>\u5b57\u8282\u6d41<\/strong>\u548c<strong>\u5b57\u7b26\u6d41<\/strong>\u4e24\u5927\u7c7b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b57\u8282\u6d41\uff1a\u4e07\u80fd\u6d41\uff0c\u53ef\u64cd\u4f5c\u6240\u6709\u7c7b\u578b\u6587\u4ef6\uff0c\u4f46\u76f4\u63a5\u8bfb\u5199\u6587\u672c\u5bb9\u6613\u51fa\u73b0\u7f16\u7801\u95ee\u9898<\/li>\n\n\n\n<li>\u5b57\u7b26\u6d41\uff1a\u4e13\u95e8\u7528\u6765\u8bfb\u5199\u6587\u672c\u6587\u4ef6\uff0c\u57fa\u4e8e\u5b57\u7b26\u64cd\u4f5c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c<strong>\u8f6c\u6362\u6d41<\/strong>\u5c31\u662f\u4e24\u8005\u4e4b\u95f4\u7684\u6865\u6881\uff0c\u4e3b\u8981\u5305\u542b\u4e24\u4e2a\u6838\u5fc3\u7c7b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>InputStreamReader<\/code>\uff1a<strong>\u5b57\u8282\u8f93\u5165\u6d41 \u2192 \u5b57\u7b26\u8f93\u5165\u6d41<\/strong><\/li>\n\n\n\n<li><code>OutputStreamWriter<\/code>\uff1a<strong>\u5b57\u7b26\u8f93\u51fa\u6d41 \u2192 \u5b57\u8282\u8f93\u51fa\u6d41<\/strong><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u7f16\u7801\u3001\u89e3\u7801\u4e0e\u5b57\u7b26\u96c6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u60f3\u8981\u7406\u89e3\u8f6c\u6362\u6d41\uff0c\u5148\u8981\u641e\u61c2\u7f16\u7801\u3001\u89e3\u7801\u548c\u5b57\u7b26\u96c6\uff0c\u8fd9\u4e5f\u662f\u4e71\u7801\u4ea7\u751f\u7684\u6839\u6e90\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u7f16\u7801\u4e0e\u89e3\u7801<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u5355\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7f16\u7801<\/strong>\uff1a\u5b57\u7b26\uff08\u4eba\u80fd\u770b\u61c2\uff09\u2192 \u5b57\u8282\uff08\u8ba1\u7b97\u673a\u5b58\u50a8\uff09<\/li>\n\n\n\n<li><strong>\u89e3\u7801<\/strong>\uff1a\u5b57\u8282\uff08\u8ba1\u7b97\u673a\u5b58\u50a8\uff09\u2192 \u5b57\u7b26\uff08\u4eba\u80fd\u770b\u61c2\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u672c\u5728\u8ba1\u7b97\u673a\u4e2d\u6700\u7ec8\u90fd\u662f\u4ee5\u4e8c\u8fdb\u5236\u5b57\u8282\u5f62\u5f0f\u4fdd\u5b58\uff0c\u8bfb\u5199\u65f6\u5c31\u4f1a\u7ecf\u5386\u7f16\u7801\u548c\u89e3\u7801\u4e24\u4e2a\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5e38\u89c1\u5b57\u7b26\u96c6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u540c\u5b57\u7b26\u96c6\u5bf9\u5e94\u4e0d\u540c\u7684\u7f16\u7801\u89c4\u5219\uff0c\u65e5\u5e38\u5f00\u53d1\u9ad8\u9891\u4f7f\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ASCII<\/strong>\uff1a\u4ec5\u652f\u6301\u82f1\u6587\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u57fa\u7840\u7b26\u53f7<\/li>\n\n\n\n<li><strong>GBK<\/strong>\uff1a\u56fd\u5185\u5e38\u7528\u4e2d\u6587\u7f16\u7801\uff0c\u517c\u5bb9 GB2312\uff0c\u6c49\u5b57\u5360 2 \u4e2a\u5b57\u8282<\/li>\n\n\n\n<li><strong>UTF-8<\/strong>\uff1a\u4e92\u8054\u7f51\u4e3b\u6d41\u7f16\u7801\uff0c\u901a\u7528\u591a\u56fd\u8bed\u8a00\uff0c\u6c49\u5b57\u5360 3 \u4e2a\u5b57\u8282<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4e71\u7801\u4ea7\u751f\u539f\u56e0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7f16\u7801\u548c\u89e3\u7801\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u4e0d\u4e00\u81f4<\/strong>\uff0c\u662f\u4e71\u7801\u7684\u552f\u4e00\u6838\u5fc3\u539f\u56e0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3e\u4e2a\u4f8b\u5b50\uff1a\u6587\u4ef6\u6309\u7167 GBK \u7f16\u7801\u4fdd\u5b58\uff0c\u8bfb\u53d6\u65f6\u5374\u7528 UTF-8 \u89e3\u6790\uff0c\u6700\u7ec8\u5c31\u4f1a\u51fa\u73b0\u4e71\u7801\u3002\u800c\u8f6c\u6362\u6d41\u6700\u5927\u7684\u4ef7\u503c\uff0c\u5c31\u662f\u53ef\u4ee5<strong>\u624b\u52a8\u6307\u5b9a\u8bfb\u5199\u7684\u5b57\u7b26\u96c6<\/strong>\uff0c\u4ece\u6839\u6e90\u89e3\u51b3\u4e71\u7801\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001InputStreamReader \u5b57\u8282\u8f6c\u5b57\u7b26\u8f93\u5165\u6d41<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>InputStreamReader<\/code> \u662f <code>Reader<\/code> \u7684\u5b50\u7c7b\uff0c\u8d1f\u8d23\u628a\u5b57\u8282\u8f93\u5165\u6d41\u5305\u88c5\u4e3a\u5b57\u7b26\u8f93\u5165\u6d41\uff0c\u652f\u6301\u81ea\u5b9a\u4e49\u5b57\u7b26\u96c6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5e38\u7528\u6784\u9020\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>InputStreamReader(InputStream in)<\/code>\uff1a\u4f7f\u7528\u7cfb\u7edf\u9ed8\u8ba4\u5b57\u7b26\u96c6<\/li>\n\n\n\n<li><code>InputStreamReader(InputStream in, String charsetName)<\/code>\uff1a<strong>\u6307\u5b9a\u5b57\u7b26\u96c6\uff08\u63a8\u8350\uff09<\/strong><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4ee3\u7801\u793a\u4f8b\uff08\u8bfb\u53d6\u6307\u5b9a\u7f16\u7801\u6587\u4ef6\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u6f14\u793a\u7528 <code>InputStreamReader<\/code> \u4ee5 <strong>GBK<\/strong> \u7f16\u7801\u8bfb\u53d6\u672c\u5730\u6587\u672c\u6587\u4ef6\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 InputStreamReaderDemo {\n    public static void main(String&#91;] args) {\n        \/\/ 1. \u521b\u5efa\u5b57\u8282\u8f93\u5165\u6d41\n        try (FileInputStream fis = new FileInputStream(\"test.txt\");\n             \/\/ 2. \u5b57\u8282\u6d41\u8f6c\u4e3a\u5b57\u7b26\u6d41\uff0c\u6307\u5b9a\u7f16\u7801\u4e3aGBK\n             InputStreamReader isr = new InputStreamReader(fis, \"GBK\")) {\n\n            \/\/ \u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u63a5\u6536\u6570\u636e\n            char&#91;] chars = new char&#91;1024];\n            int len;\n            \/\/ \u5faa\u73af\u8bfb\u53d6\u6587\u672c\n            while ((len = isr.read(chars)) != -1) {\n                System.out.print(new String(chars, 0, len));\n            }\n\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001OutputStreamWriter \u5b57\u7b26\u8f6c\u5b57\u8282\u8f93\u51fa\u6d41<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>OutputStreamWriter<\/code> \u662f <code>Writer<\/code> \u7684\u5b50\u7c7b\uff0c\u8d1f\u8d23\u628a\u5b57\u7b26\u8f93\u51fa\u6d41\u5305\u88c5\u4e3a\u5b57\u8282\u8f93\u51fa\u6d41\uff0c\u5199\u5165\u6587\u4ef6\u65f6\u53ef\u6307\u5b9a\u7f16\u7801\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5e38\u7528\u6784\u9020\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>OutputStreamWriter(OutputStream out)<\/code>\uff1a\u4f7f\u7528\u7cfb\u7edf\u9ed8\u8ba4\u5b57\u7b26\u96c6<\/li>\n\n\n\n<li><code>OutputStreamWriter(OutputStream out, String charsetName)<\/code>\uff1a<strong>\u6307\u5b9a\u5b57\u7b26\u96c6\uff08\u63a8\u8350\uff09<\/strong><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4ee3\u7801\u793a\u4f8b\uff08\u6309\u6307\u5b9a\u7f16\u7801\u5199\u5165\u6587\u4ef6\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6f14\u793a\u4ee5 <strong>UTF-8<\/strong> \u7f16\u7801\u5411\u6587\u4ef6\u5199\u5165\u6587\u672c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileOutputStream;\nimport java.io.OutputStreamWriter;\nimport java.io.IOException;\n\npublic class OutputStreamWriterDemo {\n    public static void main(String&#91;] args) {\n        \/\/ 1. \u521b\u5efa\u5b57\u8282\u8f93\u51fa\u6d41\n        try (FileOutputStream fos = new FileOutputStream(\"output.txt\");\n             \/\/ 2. \u5b57\u7b26\u6d41\u8f6c\u5b57\u8282\u6d41\uff0c\u6307\u5b9a\u7f16\u7801UTF-8\n             OutputStreamWriter osw = new OutputStreamWriter(fos, \"UTF-8\")) {\n\n            \/\/ \u5199\u5165\u6587\u672c\u5185\u5bb9\n            String content = \"Java\u8f6c\u6362\u6d41\u5b9e\u6218\uff0c\u89e3\u51b3\u4e2d\u6587\u4e71\u7801\u95ee\u9898\";\n            osw.write(content);\n            \/\/ \u5237\u65b0\u7f13\u51b2\u533a\uff0c\u786e\u4fdd\u6570\u636e\u5199\u5165\u6587\u4ef6\n            osw.flush();\n            System.out.println(\"\u5199\u5165\u5b8c\u6210\");\n\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u7efc\u5408\u6848\u4f8b\uff1a\u8bfb\u5199\u7edf\u4e00\u5b57\u7b26\u96c6\uff0c\u5f7b\u5e95\u907f\u514d\u4e71\u7801<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c<strong>\u5199\u5165\u548c\u8bfb\u53d6\u5fc5\u987b\u4f7f\u7528\u76f8\u540c\u5b57\u7b26\u96c6<\/strong>\u3002\u4e0b\u9762\u5199\u4e00\u4e2a\u5b8c\u6574\u6848\u4f8b\uff1a\u5148\u7528 GBK \u5199\u5165\u6587\u4ef6\uff0c\u518d\u7528 GBK \u8bfb\u53d6\u6587\u4ef6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.FileInputStream;\nimport java.io.FileOutputStream;\nimport java.io.InputStreamReader;\nimport java.io.OutputStreamWriter;\nimport java.io.IOException;\n\npublic class ConvertStreamTest {\n    public static void main(String&#91;] args) {\n        \/\/ 1. \u4ee5GBK\u7f16\u7801\u5199\u5165\u6587\u4ef6\n        try (FileOutputStream fos = new FileOutputStream(\"gbkFile.txt\");\n             OutputStreamWriter osw = new OutputStreamWriter(fos, \"GBK\")) {\n\n            osw.write(\"\u6d4b\u8bd5\u4e2d\u6587\u5185\u5bb9\uff1aJava IO \u8f6c\u6362\u6d41\");\n            osw.flush();\n            System.out.println(\"GBK\u7f16\u7801\u5199\u5165\u6210\u529f\");\n\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ 2. \u4ee5GBK\u7f16\u7801\u8bfb\u53d6\u6587\u4ef6\n        try (FileInputStream fis = new FileInputStream(\"gbkFile.txt\");\n             InputStreamReader isr = new InputStreamReader(fis, \"GBK\")) {\n\n            char&#91;] buf = new char&#91;1024];\n            int length = isr.read(buf);\n            System.out.println(\"\u8bfb\u53d6\u5185\u5bb9\uff1a\" + new String(buf, 0, length));\n\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u540e\u53ef\u4ee5\u6b63\u5e38\u5c55\u793a\u4e2d\u6587\uff0c\u4e0d\u4f1a\u51fa\u73b0\u4e71\u7801\uff1b\u5982\u679c\u628a\u8bfb\u53d6\u7f16\u7801\u6539\u4e3a UTF-8\uff0c\u7acb\u523b\u5c31\u4f1a\u51fa\u73b0\u4e71\u7801\uff0c\u5927\u5bb6\u53ef\u4ee5\u81ea\u884c\u6d4b\u8bd5\u5bf9\u6bd4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u603b\u7ed3<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8f6c\u6362\u6d41\u5206\u4e3a <code>InputStreamReader<\/code> \u548c <code>OutputStreamWriter<\/code>\uff0c\u662f\u5b57\u8282\u6d41\u4e0e\u5b57\u7b26\u6d41\u7684\u8f6c\u6362\u6865\u6881\u3002<\/li>\n\n\n\n<li>\u6587\u672c\u4e71\u7801\u7684\u672c\u8d28\uff1a<strong>\u7f16\u7801\u3001\u89e3\u7801\u5b57\u7b26\u96c6\u4e0d\u7edf\u4e00<\/strong>\uff0c\u8f6c\u6362\u6d41\u7684\u6838\u5fc3\u4f5c\u7528\u5c31\u662f\u624b\u52a8\u6307\u5b9a\u7f16\u7801\u3002<\/li>\n\n\n\n<li>\u5f00\u53d1\u89c4\u8303\uff1a\u64cd\u4f5c\u6587\u672c\u6587\u4ef6\u65f6\uff0c\u5c3d\u91cf\u4e3b\u52a8\u58f0\u660e\u5b57\u7b26\u96c6\uff0c\u4e0d\u8981\u4f9d\u8d56\u7cfb\u7edf\u9ed8\u8ba4\u7f16\u7801\uff0c\u4fdd\u8bc1\u7a0b\u5e8f\u8de8\u5e73\u53f0\u7a33\u5b9a\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5b8c\u6bd5\u8bb0\u5f97\u5173\u95ed\u6d41\uff0c\u63a8\u8350\u4f7f\u7528 <code>try-with-resources<\/code> \u8bed\u6cd5\uff0c\u81ea\u52a8\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7bc7 Java \u8f6c\u6362\u6d41\u5185\u5bb9\u5c31\u5206\u4eab\u5230\u8fd9\u91cc\uff0c\u4e0b\u4e00\u7bc7\u6211\u4eec\u7ee7\u7eed\u66f4\u65b0 IO \u6d41\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6301\u7eed\u5173\u6ce8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u672c\u7bc7\u7ee7\u7eed\u66f4\u65b0 Java IO \u6d41\u7cfb\u5217\u5185\u5bb9\uff0c\u524d\u9762\u6211\u4eec\u8bb2\u89e3\u4e86\u5b57\u8282\u6d41\u3001\u5b57\u7b26\u6d41\uff0c\u4eca\u5929\u91cd\u70b9\u6765\u8bb2\u8f6c\u6362\u6d41\u3002\u5728\u5b9e\u9645\u5f00\u53d1<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=1520\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa 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