{"id":33833,"date":"2023-09-02T08:38:57","date_gmt":"2023-08-02T14:48:18","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8a%a0%e8%bd%bdmarshal%e6%97%b6%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9\/"},"modified":"2024-04-30T21:13:12","modified_gmt":"2024-04-30T13:13:12","slug":"%e5%8a%a0%e8%bd%bdmarshal%e6%97%b6%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8a%a0%e8%bd%bdmarshal%e6%97%b6%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9\/","title":{"rendered":"\u52a0\u8f7dMarshal\u65f6\u7684\u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"<blockquote><p>\u63d0\u4f9b\u4e86\u5c06Ruby\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\uff08\u6216\u5b57\u7b26\u4e32\uff09\u5e76\u8bfb\u53d6\u56de\u6765\u7684\u529f\u80fd\u7684\u6a21\u5757\u3002Ruby 2.1.0\u53c2\u8003\u624b\u518c| Marshal \u6a21\u5757\u3002<\/p><\/blockquote>\n<p>\u90a3\u662fMarshal\u3002<br \/>\n\u5c06\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7Marshal.dump\u5c06\u6563\u5217\u54c8\u5e0c\u4e32\u884c\u5316\uff0c\u5e76\u5c06\u5176\u4fdd\u5b58\u5728\u6570\u636e\u5b58\u50a8\u533a\u57df\uff0c\u5982Redis\u6216Mongo\u4e2d\u3002<br \/>\n\uff08\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u66f4\u5e38\u89c1\u7684\u505a\u6cd5\u662f\u4f7f\u7528json\u3002\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">hoge<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"ss\">foo: <\/span><span class=\"s1\">'bar'<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"n\">str<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Marshal<\/span><span class=\"p\">.<\/span><span class=\"nf\">dump<\/span><span class=\"p\">(<\/span><span class=\"n\">hoge<\/span><span class=\"p\">)<\/span> <span class=\"c1\"># =&gt; \"\\x04\\b{\\x06:\\bfooI\\\"\\bbar\\x06:\\x06ET\"<\/span>\r\n<span class=\"c1\"># str\u3092\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306b\u5165\u308c\u308b<\/span>\r\n<span class=\"nb\">p<\/span> <span class=\"no\">Marshal<\/span><span class=\"p\">.<\/span><span class=\"nf\">load<\/span><span class=\"p\">(<\/span><span class=\"n\">str<\/span><span class=\"p\">)<\/span> <span class=\"c1\"># =&gt; {:foo=&gt;\"bar\"}<\/span>\r\n<\/code><\/pre>\n<p>\u6240\u4ee5\uff0c\u6700\u8fd1\u6211\u6c89\u8ff7\u4e8e\u4ee5\u4e0b\u7684\u6a21\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'redis'<\/span>\r\n<span class=\"nb\">require<\/span> <span class=\"s1\">'date'<\/span>\r\n\r\n<span class=\"n\">conf<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\"># \u3053\u3053\u306b\u306fRedis\u306e\u8a2d\u5b9a\u304c\u8a18\u8ff0\u3057\u3066\u3042\u308a\u307e\u3059<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">conf<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">date<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Date<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"mi\">1999<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">24<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">set<\/span><span class=\"p\">(<\/span><span class=\"s1\">'key'<\/span><span class=\"p\">,<\/span> <span class=\"no\">Marshal<\/span><span class=\"p\">.<\/span><span class=\"nf\">dump<\/span><span class=\"p\">(<\/span><span class=\"n\">date<\/span><span class=\"p\">))<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'redis'<\/span>\r\n\r\n<span class=\"n\">conf<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\"># set.rb\u3068\u540c\u69d8\u306eRedis\u306e\u8a2d\u5b9a\u304c\u8a18\u8ff0\u3057\u3066\u3042\u308a\u307e\u3059<\/span>\r\n  <span class=\"c1\"># \u672c\u6765\u306f\u3061\u3083\u3093\u3068\u5171\u901a\u306emodule\u5316\u3057\u3066\u307e\u3059\u3002<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">conf<\/span><span class=\"p\">)<\/span>\r\n<span class=\"no\">Marshal<\/span><span class=\"p\">.<\/span><span class=\"nf\">load<\/span><span class=\"p\">(<\/span><span class=\"n\">redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"s1\">'key'<\/span><span class=\"p\">))<\/span>\r\n<span class=\"c1\"># =&gt; TypeError: instance of Date needs to have method `marshal_load'<\/span>\r\n<\/code><\/pre>\n<p>\u54ce\u5440\u3002<\/p>\n<p>Marshal.dump\u662f\u4e00\u4e2a\u7528\u4e8e\u5c06Ruby\u5bf9\u8c61\u5e8f\u5217\u5316\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u540d\u524d\u306e\u3064\u3044\u3066\u306a\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b7\u30b9\u30c6\u30e0\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4fdd\u6301\u3059\u308b\u3082\u306e<\/ul>\n<p>\u624b\u518c\u4e2d\u6307\u51fa\uff0c\u5982\u679c\u5c1d\u8bd5\u5199\u5165\u7b49\u5185\u5bb9\uff0c\u4f1a\u5bfc\u81f4TypeError\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"no\">Marshal<\/span><span class=\"p\">.<\/span><span class=\"nf\">dump<\/span><span class=\"p\">(<\/span><span class=\"no\">Dir<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\/'<\/span><span class=\"p\">))<\/span> <span class=\"c1\"># Dir\u304c\u300c\u30b7\u30b9\u30c6\u30e0\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4fdd\u6301\u3059\u308b\u3082\u306e\u300d\u306b\u8a72\u5f53\u3057\u3066\u3044\u308b<\/span>\r\n<span class=\"c1\"># =&gt; TypeError: no _dump_data is defined for class Dir<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5728Marshal.load\u7684\u65f6\u5019\u53d1\u751f\u4e86\u95ee\u9898\uff0c\u8fd9\u662f\u600e\u4e48\u56de\u4e8b\u5462\uff1f\u6211\u56f0\u60d1\u4e86\u4e00\u4f1a\u513f\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u603b\u7ed3\u4e00\u4e0b\u5c31\u662f<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'redis'<\/span>\r\n<span class=\"nb\">require<\/span> <span class=\"s1\">'date'<\/span> <span class=\"c1\"># &lt;= \u3053\u308c<\/span>\r\n\r\n<span class=\"n\">conf<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\"># set.rb\u3068\u540c\u69d8\u306eRedis\u306e\u8a2d\u5b9a\u304c\u8a18\u8ff0\u3057\u3066\u3042\u308a\u307e\u3059<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">conf<\/span><span class=\"p\">)<\/span>\r\n<span class=\"no\">Marshal<\/span><span class=\"p\">.<\/span><span class=\"nf\">load<\/span><span class=\"p\">(<\/span><span class=\"n\">redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"s1\">'key'<\/span><span class=\"p\">))<\/span>\r\n<span class=\"c1\"># =&gt; #&lt;Date: 1993-02-24 ((2449043j,0s,0n),+0s,2299161j)&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fdb\u884cMarshal.load\u65f6\uff0c\u9700\u8981\u5728\u76f8\u540c\u7684\u73af\u5883\u4e2d\u624d\u80fd\u6062\u590d\u76ee\u6807\u5bf9\u8c61\u7684\u72b6\u6001\u3002\uff08\u4e0d\u786e\u5b9a\u8fd9\u6837\u7684\u8868\u8fbe\u65b9\u5f0f\u662f\u5426\u80fd\u4f20\u8fbe\u5230\u4f60\u7684\u610f\u601d&#8230;\uff09<\/p>\n<p>\u5982\u679c\u662f\u5176\u4ed6\u7269\u4f53\u7684\u8bdd\uff0c\u8fd9\u4e2a\u9519\u8bef\u76f8\u5bf9\u6765\u8bf4\u5c31\u6bd4\u8f83\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'redis'<\/span>\r\n<span class=\"nb\">require<\/span> <span class=\"s1\">'bigdecimal'<\/span>\r\n\r\n<span class=\"n\">conf<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\"># \u3053\u3053\u306b\u306fRedis\u306e\u8a2d\u5b9a\u304c\u8a18\u8ff0\u3057\u3066\u3042\u308a\u307e\u3059<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">conf<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">decimal<\/span> <span class=\"o\">=<\/span> <span class=\"no\">BigDecimal<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"s1\">'0.1234'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">set<\/span><span class=\"p\">(<\/span><span class=\"s1\">'key'<\/span><span class=\"p\">,<\/span> <span class=\"no\">Marshal<\/span><span class=\"p\">.<\/span><span class=\"nf\">dump<\/span><span class=\"p\">(<\/span><span class=\"n\">decimal<\/span><span class=\"p\">))<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'redis'<\/span>\r\n\r\n<span class=\"n\">conf<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\"># decimal_set.rb\u3068\u540c\u69d8\u306eRedis\u306e\u8a2d\u5b9a\u304c\u8a18\u8ff0\u3057\u3066\u3042\u308a\u307e\u3059<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">conf<\/span><span class=\"p\">)<\/span>\r\n<span class=\"no\">Marshal<\/span><span class=\"p\">.<\/span><span class=\"nf\">load<\/span><span class=\"p\">(<\/span><span class=\"n\">redis<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"s1\">'key'<\/span><span class=\"p\">))<\/span>\r\n<span class=\"c1\"># =&gt; ArgumentError: undefined class\/module BigDecimal<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6ca1\u6709\u5f15\u5165`bigdecimal`\u7684\u8bdd\uff0c\u53ef\u80fd\u4f1a\u5f97\u5230\u8fd9\u6837\u7684\u7ed3\u679c\uff1a&#8221;\u54e6\uff0c\u6211\u5fd8\u8bb0\u5f15\u5165`bigdecimal`\u4e86&#8221;\uff0c\u4f46\u662f\u5bf9\u4e8e`Date`\u5bf9\u8c61\u6765\u8bf4\uff0c\u5e76\u4e0d\u9700\u8981\u6267\u884c\u5f15\u5165\u64cd\u4f5c\uff0c\u5b83\u5df2\u7ecf\u5b58\u5728\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">p<\/span> <span class=\"no\">Date<\/span> <span class=\"c1\"># =&gt; Date<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u4e8b\u60c5\u5bfc\u81f4\u4e86\u4e0d\u5fc5\u8981\u7684\u6df7\u4e71\u72b6\u6001\u3002<\/p>\n<p>\u6211\u4e0d\u592a\u6e05\u695a\u8fd9\u4e2a\u4e1c\u897f\u662f\u4ec0\u4e48\uff0c\u4f46\u662f\u6211\u6ce8\u610f\u5230\u5373\u4f7f\u8fdb\u884c\u4e86Date.methods\u64cd\u4f5c\uff0c\u4e5f\u6ca1\u6709\u51fa\u73b0date\u5e93\u7684\u65b9\u6cd5\uff0c\u8fd9\u53ef\u80fd\u610f\u5473\u7740\u9700\u8981require &#8216;date&#8217;\u6765\u91cd\u65b0\u6253\u5f00Date\u7c7b\u5427\uff0c\u6211\u53ea\u662f\u731c\u6d4b\u3002\u6211\u731c\u60f3\u5982\u679c\u5728Date.freeze\u4e4b\u540e\u8fdb\u884crequire &#8216;date&#8217;\u64cd\u4f5c\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0RuntimeError: can&#8217;t modify frozen class\u7684\u9519\u8bef\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u6267\u884cMarshal.load\u65f6\uff0c\u8bf7\u786e\u4fdd\u73af\u5883\u5339\u914d\uff0c\u8fd9\u5c31\u662f\u63d0\u793a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u4f9b\u4e86\u5c06Ruby\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\uff08\u6216\u5b57\u7b26\u4e32\uff09\u5e76\u8bfb\u53d6\u56de\u6765\u7684\u529f\u80fd\u7684\u6a21\u5757\u3002Ruby 2.1.0\u53c2\u8003\u624b\u518c| Marshal [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33833","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u52a0\u8f7dMarshal\u65f6\u7684\u6ce8\u610f\u4e8b\u9879 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u52a0\u8f7dmarshal\u65f6\u7684\u6ce8\u610f\u4e8b\u9879\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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