{"id":36717,"date":"2024-11-26T10:31:22","date_gmt":"2024-11-26T02:31:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36717\/"},"modified":"2024-11-26T10:31:22","modified_gmt":"2024-11-26T02:31:22","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e4%bf%9d%e5%ad%98","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36717\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u4fdd\u5b58"},"content":{"rendered":"<blockquote><p>\n  \u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u6216\u5e8f\u5217\u5316\u5c06\u6570\u7ec4\u4fdd\u5b58\u5230\u6587\u4ef6\u6216\u6570\u636e\u5e93\u4e2d\u30021. \u76f4\u63a5\u8d4b\u503c\u4fdd\u5b58\u5230\u6587\u4ef6\uff1a\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u53ef\u4ee5\u76f4\u63a5\u4fdd\u5b58\uff0c\u5bf9\u8c61\u6570\u7ec4\u9700\u8981\u5b9e\u73b0\u5e8f\u5217\u5316\u63a5\u53e3\u30022. \u5e8f\u5217\u5316\u4fdd\u5b58\u5230\u6587\u4ef6\uff1a\u5c06\u6570\u7ec4\u5bf9\u8c61\u5e8f\u5217\u5316\u540e\u4fdd\u5b58\u3002\u4ece\u6587\u4ef6\u4e2d\u52a0\u8f7d\u6570\u7ec4\uff1a\u76f4\u63a5\u8d4b\u503c\uff1a\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u91cd\u65b0\u521b\u5efa\u6570\u7ec4\u3002\u5e8f\u5217\u5316\uff1a\u53cd\u5e8f\u5217\u5316\u6587\u4ef6\u4e2d\u7684\u6570\u7ec4\u5bf9\u8c61\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111214401476188.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u600e\u4e48\u4fdd\u5b58\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u600e\u4e48\u4fdd\u5b58\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5982\u4f55\u4fdd\u5b58\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u5f00\u95e8\u89c1\u5c71\u56de\u7b54\uff1a<\/strong><br \/>Java \u4e2d\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u6216\u5e8f\u5217\u5316\u5c06\u6570\u7ec4\u4fdd\u5b58\u5230\u6587\u4ef6\u6216\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<p><strong>\u8be6\u7ec6\u89e3\u91ca\uff1a<\/strong><\/p>\n<p><strong>1. \u76f4\u63a5\u8d4b\u503c<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\n<p><strong>\u4fdd\u5b58\u5230\u6587\u4ef6\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 FileOutputStream \u5199\u5165\u6570\u7ec4\u5143\u7d20\u5230\u6587\u4ef6\u3002<\/li>\n<li>\u4f8b\u5982\uff1aFileOutputStream fos = new FileOutputStream(&#8220;array.txt&#8221;); fos.write(array);<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4fdd\u5b58\u5230\u6570\u636e\u5e93\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6216 JSON\uff0c\u7136\u540e\u5b58\u50a8\u4e3a\u6570\u636e\u5e93\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>2. \u5e8f\u5217\u5316<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4fdd\u5b58\u5230\u6587\u4ef6\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 ObjectOutputStream \u5c06\u6570\u7ec4\u5bf9\u8c61\u5e8f\u5217\u5316\u5230\u6587\u4ef6\u3002<\/li>\n<li>\u4f8b\u5982\uff1aObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(&#8220;array.ser&#8221;)); oos.writeObject(array);<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4fdd\u5b58\u5230\u6570\u636e\u5e93\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c06\u5e8f\u5217\u5316\u540e\u7684\u6570\u7ec4\u5b58\u50a8\u4e3a BLOB \u6216 VARBINARY \u5b57\u6bb5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li> <strong>\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff1a<\/strong>\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u4fdd\u5b58\u3002<\/li>\n<li> <strong>\u5bf9\u8c61\u6570\u7ec4\uff1a<\/strong>\u5982\u679c\u6570\u7ec4\u5143\u7d20\u5305\u542b\u5bf9\u8c61\uff0c\u9700\u8981\u5b9e\u73b0 Serializable \u63a5\u53e3\u624d\u80fd\u5e8f\u5217\u5316\u3002<\/li>\n<li>\n<p><strong>\u52a0\u8f7d\u6570\u7ec4\uff1a<\/strong><\/p>\n<ul>\n<li>\u76f4\u63a5\u8d4b\u503c\uff1a\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u5e76\u91cd\u65b0\u521b\u5efa\u6570\u7ec4\u3002<\/li>\n<li>\u5e8f\u5217\u5316\uff1a\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5e8f\u5217\u5316\u540e\u7684\u6570\u7ec4\u5bf9\u8c61\u5e76\u53cd\u5e8f\u5217\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p><strong>\u4fdd\u5b58\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u5230\u6587\u4ef6\uff1a<\/strong><\/p>\n<pre>int[] array = {1, 2, 3};\nFileOutputStream fos = new FileOutputStream(\"array.txt\");\nfos.write(array);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4fdd\u5b58\u5bf9\u8c61\u6570\u7ec4\u5230\u6570\u636e\u5e93\uff1a<\/strong><\/p>\n<pre>\/\/ \u5047\u8bbe Player \u7c7b\u5b9e\u73b0 Serializable\nPlayer[] players = {...};\nString json = new Gson().toJson(players);\n\/\/ \u5c06 json \u5b58\u50a8\u5230\u6570\u636e\u5e93<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u52a0\u8f7d\u5bf9\u8c61\u6570\u7ec4\uff1a<\/strong><\/p>\n<pre>\/\/ \u4ece\u6570\u636e\u5e93\u8bfb\u53d6 json \u5b57\u7b26\u4e32\nString json = ...;\nPlayer[] players = new Gson().fromJson(json, Player[].class);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u4fdd\u5b58\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u6216\u5e8f\u5217\u5316\u5c06\u6570\u7ec4\u4fdd\u5b58\u5230\u6587\u4ef6\u6216\u6570\u636e\u5e93\u4e2d\u30021. \u76f4\u63a5\u8d4b\u503c\u4fdd\u5b58\u5230\u6587\u4ef6\uff1a\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u53ef\u4ee5\u76f4\u63a5\u4fdd\u5b58\uff0c\u5bf9\u8c61\u6570\u7ec4\u9700\u8981\u5b9e\u73b0\u5e8f\u5217\u5316\u63a5\u53e3\u30022. \u5e8f\u5217\u5316\u4fdd\u5b58\u5230\u6587\u4ef6\uff1a\u5c06\u6570\u7ec4\u5bf9\u8c61\u5e8f\u5217\u5316\u540e\u4fdd\u5b58\u3002\u4ece\u6587\u4ef6\u4e2d\u52a0\u8f7d\u6570\u7ec4\uff1a\u76f4\u63a5\u8d4b\u503c\uff1a\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u91cd\u65b0\u521b\u5efa\u6570\u7ec4\u3002\u5e8f\u5217\u5316\uff1a\u53cd\u5e8f\u5217\u5316\u6587\u4ef6\u4e2d\u7684\u6570\u7ec4\u5bf9\u8c61\u3002 Java \u4e2d\u5982\u4f55\u4fdd\u5b58\u6570\u7ec4 \u5f00\u95e8\u89c1\u5c71\u56de\u7b54\uff1aJava \u4e2d\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u6216\u5e8f\u5217\u5316\u5c06\u6570\u7ec4\u4fdd\u5b58\u5230\u6587\u4ef6\u6216\u6570\u636e\u5e93\u4e2d\u3002 \u8be6\u7ec6\u89e3\u91ca\uff1a 1. \u76f4\u63a5\u8d4b\u503c \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4fdd\u5b58\u5230\u6587\u4ef6\uff1a \u4f7f\u7528 FileOutputStream \u5199\u5165\u6570\u7ec4\u5143\u7d20\u5230\u6587\u4ef6\u3002 \u4f8b\u5982\uff1aFileOutputStream fos = new FileOutputStream(&#8220;array.txt&#8221;); fos.write(array); \u4fdd\u5b58\u5230\u6570\u636e\u5e93\uff1a \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6216 JSON\uff0c\u7136\u540e\u5b58\u50a8\u4e3a\u6570\u636e\u5e93\u5b57\u6bb5\u3002 2. \u5e8f\u5217\u5316 \u4fdd\u5b58\u5230\u6587\u4ef6\uff1a \u4f7f\u7528 ObjectOutputStream \u5c06\u6570\u7ec4\u5bf9\u8c61\u5e8f\u5217\u5316\u5230\u6587\u4ef6\u3002 \u4f8b\u5982\uff1aObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(&#8220;array.ser&#8221;)); oos.writeObject(array); \u4fdd\u5b58\u5230\u6570\u636e\u5e93\uff1a \u5c06\u5e8f\u5217\u5316\u540e\u7684\u6570\u7ec4\u5b58\u50a8\u4e3a BLOB \u6216 VARBINARY \u5b57\u6bb5\u3002 \u6ce8\u610f\u4e8b\u9879\uff1a \u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff1a\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u4fdd\u5b58\u3002 \u5bf9\u8c61\u6570\u7ec4\uff1a\u5982\u679c\u6570\u7ec4\u5143\u7d20\u5305\u542b\u5bf9\u8c61\uff0c\u9700\u8981\u5b9e\u73b0 Serializable \u63a5\u53e3\u624d\u80fd\u5e8f\u5217\u5316\u3002 \u52a0\u8f7d\u6570\u7ec4\uff1a \u76f4\u63a5\u8d4b\u503c\uff1a\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u5e76\u91cd\u65b0\u521b\u5efa\u6570\u7ec4\u3002 \u5e8f\u5217\u5316\uff1a\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5e8f\u5217\u5316\u540e\u7684\u6570\u7ec4\u5bf9\u8c61\u5e76\u53cd\u5e8f\u5217\u5316\u3002 \u793a\u4f8b\uff1a \u4fdd\u5b58\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u5230\u6587\u4ef6\uff1a int[] array [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-36717","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=36717"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36717\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}