{"id":765,"date":"2025-10-24T14:59:08","date_gmt":"2025-10-24T06:59:08","guid":{"rendered":"https:\/\/www.youvii.site\/?p=765"},"modified":"2025-10-24T15:01:23","modified_gmt":"2025-10-24T07:01:23","slug":"javafanxuliehua","status":"publish","type":"post","link":"https:\/\/www.youvii.site\/index.php\/archives\/javafanxuliehua","title":{"rendered":"Java\u53cd\u5e8f\u5217\u5316"},"content":{"rendered":"<h1>Java\u53cd\u5e8f\u5217\u5316<\/h1>\n<h1>\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316<\/h1>\n<p>\u5e8f\u5217\u5316\u662f\u4ece java \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u5e8f\u5217\u7684\u8fc7\u7a0b<\/p>\n<p>\u53cd\u5e8f\u5217\u5316\u662f\u628a\u5b57\u8282\u5e8f\u5217\u6062\u590d\u4e3a java \u5bf9\u8c61\u7684\u8fc7\u7a0b<\/p>\n<h1>\u4e3a\u4ec0\u4e48\u5e8f\u5217\u5316<\/h1>\n<p>\u5bf9\u8c61\u4e0d\u53ea\u662f\u5b58\u50a8\u8fd9\u5185\u5b58\u4e2d\uff0c\u8fd8\u9700\u8981\u8fd9\u4f20\u8f93\u7f51\u7edc\u8fdb\u884c\u4f20\u8f93\uff0c\u4fdd\u5b58\u8d77\u6765\u4e4b\u540e\u4e0b\u6b21\u518d\u52a0\u8f7d\u51fa\u6765\uff0c\u8fd9\u662f\u9700\u8981\u5e8f\u5217\u5316\u6280\u672f\uff0cjava \u7684\u5e8f\u5217\u5316\u6280\u672f\u662f\u628a\u5bf9\u8c61\u8f6c\u6362\u6210\u7531\u4e8c\u8fdb\u5236\u5b57\u8282\u7ec4\u6210\u7684\u6570\u7ec4\uff0c\u7136\u540e\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u4fdd\u5b58\u518d\u78c1\u76d8\u6216\u4f20\u8f93\u7f51\u7edc\uff0c\u7136\u540e\u9700\u8981\u7528\u5230\u5bf9\u8c61\u65f6\uff0c\u78c1\u76d8\u6216\u8005\u7f51\u7edc\u63a5\u53d7\u8005\u53ef\u4ee5\u901a\u8fc7\u53cd\u5e8f\u5217\u5316\u5f97\u5230\u5bf9\u8c61\uff0c\u8fbe\u5230\u5bf9\u8c61\u6301\u4e45\u5316\u76ee\u7684<\/p>\n<h1>ObjectOutputStream \u4e0e ObjectInputStream \u7c7b<\/h1>\n<p><strong>ObjectOutputStream<\/strong><\/p>\n<p>java.io.ObjectOutputStream \u7c7b\uff0c\u5c06 java \u5bf9\u8c61\u7684\u539f\u59cb\u6570\u636e\u7c7b\u578b\u5199\u51fa\u5230\u6587\u4ef6\uff0c\u5b9e\u73b0\u5bf9\u8c61\u7684\u6301\u4e45\u5b58\u50a8<\/p>\n<p>\u5e8f\u5217\u5316\u64cd\u4f5c<\/p>\n<p>\u4e00\u4e2a\u5bf9\u8c61\u60f3\u5e8f\u5217\u5316 \u5fc5\u987b\u6ee1\u8db3\uff1a<\/p>\n<p>\u8be5\u7c7b\u5fc5\u987b\u5b9e\u73b0 java.io.Serializable \u63a5\u53e3 Serializable \u662f\u4e00\u4e2a\u6807\u8bb0\u63a5\u53e3\uff0c\u4e0d\u5b9e\u73b0\u6b64\u63a5\u53e3\u7684\u7c7b\u5c06\u4e0d\u4f1a\u4f7f\u4efb\u4f55\u72b6\u6001\u5e8f\u5217\u5316\u6216\u53cd\u5e8f\u5217\u5316\uff0c\u4f1a\u629b\u51fa NotSerializableException<\/p>\n<p>\u8be5\u7c7b\u6240\u6709\u5c5e\u6027\u5fc5\u987b\u662f\u53ef\u5e8f\u5217\u5316\u7684\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u5c5e\u6027\u4e0d\u9700\u8981\u53ef\u5e8f\u5217\u5316\uff0c\u5219\u8be5\u5c5e\u6027\u5fc5\u987b\u6ce8\u660e\u662f\u77ac\u6001\u7684\uff0c\u4f7f\u7528 transient \u5173\u952e\u5b57\u4fee\u9970<\/p>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p>Employee.java<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-java\">public classEmployee implements java.io.Serializable{\n    public String name;\n    public String address;\n    public transient int age;\/\/transient\u77ac\u6001\u4fee\u9970\u6210\u5458 \u4e0d\u4f1a\u88ab\u5e8f\u5217\u5316\n    public void addressCheck() {\n        System.out.println(\"Address check : \" + bane + \" -- \" +address);\n\n        \/\/\u6b64\u5904\u7701\u7565tostring\u65b9\u6cd5\n    }\n}<\/code><\/pre>\n<p>SerializeDemo.java<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-java\">public class SerializeDemo{\n    public static void main(String[] args) throws IOException{\n        Employee e = new Employee();\n        e.name = \"zhangsan\";\n        e.age = 20;\n        e.address = \"shenzhen\";\n        \/\/\u521b\u5efa\u5e8f\u5217\u5316\u6d41\n        ObjectOutputStream outputstream = new objectoutputstream(new Fileoutputstram(\"ser.txt\"));\n        \/\/\u5199\u51fa\u5bf9\u8c61\n        outputstream.writeobject(e);\n        \/\/\u91ca\u653e\u8d44\u6e90\n        outputstream.close();\n    }\n}<\/code><\/pre>\n<p>\u5c06 Employee \u5bf9\u8c61\u5199\u5165\u5230 employee.txt \u6587\u4ef6\u4e2d<\/p>\n<p>\u5f00\u5934\u7684 AC ED 00 05 \u4e3a\u5e8f\u5217\u5316\u5185\u5bb9\u7279\u5f81<\/p>\n<p><strong>ObjectInputStream<\/strong><\/p>\n<p>\u5982\u679c\u80fd\u627e\u5230\u4e00\u4e2a\u5bf9\u8c61\u7684 class \u6587\u4ef6\uff0c\u53ef\u4ee5\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\uff0c\u8c03\u7528 objectinputstream \u8bfb\u53d6\u5bf9\u8c61\u7684\u65b9\u6cd5<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-java\">public class DeserializeDemo{\n    public static void main (String[] args)throws IOException,ClassNotFoundException{\n        \/\/\u521b\u5efa\u53cd\u5e8f\u5217\u5316\u6d41\n        FileInputStream fileInputStream = new FileInputStream(\"ser.txt\");\n        ObjectInputStream inputstream = new objectinputstream(fileinputstream);\n        \/\/\u4f7f\u7528objectinputstream\u4e2d\u7684readobject\u8bfb\u53d6\u4e00\u4e2a\u5bf9\u8c61\n        object o = inputSteam.readobject();\n        \/\/\u91ca\u653e\u8d44\u6e90\n        inputStream.close();\n        System.out.println(o);\n    }\n}<\/code><\/pre>\n<p>\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\u5c31\u662f\u4ece\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\u63d0\u53d6\u5bf9\u8c61<\/p>\n<h1>\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u539f\u7406<\/h1>\n<p>\u5f53\u4e00\u4e2a\u5e94\u7528\u4f7f\u7528<code>ObjectInputStream.readObject()<\/code>\u65b9\u6cd5\u4ece\u5916\u90e8\u8f93\u5165\uff08\u5982\u7f51\u7edc\u8fde\u63a5\uff09\u8bfb\u53d6\u5bf9\u8c61\u65f6\uff0c\u5982\u679c\u8fd9\u4e2a\u5bf9\u8c61\u662f\u6076\u610f\u6784\u9020\u7684\uff0c\u90a3\u4e48\u5728\u53cd\u5e8f\u5217\u5316\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u89e6\u53d1\u4e00\u4e9b\u7279\u6b8a\u7684\u884c\u4e3a\uff0c\u6bd4\u5982\u6267\u884c\u7279\u5b9a\u7684\u65b9\u6cd5\u6216\u6539\u53d8\u67d0\u4e9b\u53d8\u91cf\u503c\u7b49\u3002\u8fd9\u4e9b\u884c\u4e3a\u53ef\u80fd\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n<ul>\n<li>\u6267\u884c\u7cfb\u7edf\u547d\u4ee4<\/li>\n<li>\u4fee\u6539\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e<\/li>\n<li>\u8bbf\u95ee\u654f\u611f\u8d44\u6e90<\/li>\n<li>\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb<\/li>\n<\/ul>\n<h2>\u5173\u952e\u70b9\uff1a<\/h2>\n<ul>\n<li>Java\u7684\u5e8f\u5217\u5316\u673a\u5236\u4e0d\u4ec5\u4fdd\u5b58\u4e86\u5bf9\u8c61\u7684\u6570\u636e\uff0c\u8fd8\u4fdd\u5b58\u4e86\u7c7b\u7684\u4fe1\u606f\u3002\u8fd9\u610f\u5473\u7740\u5728\u53cd\u5e8f\u5217\u5316\u65f6\uff0c\u4f1a\u8c03\u7528\u5230\u539f\u59cb\u5bf9\u8c61\u5b9a\u4e49\u7684\u4e00\u4e9b\u65b9\u6cd5\u3002<\/li>\n<li>\u5982\u679c\u5b58\u5728\u53ef\u88ab\u5229\u7528\u7684\u7c7b\uff08\u4f8b\u5982Apache Commons Collections\u5e93\u4e2d\u7684\u67d0\u4e9b\u7c7b\uff09\uff0c\u5e76\u4e14\u8fd9\u4e9b\u7c7b\u5b9e\u73b0\u4e86<code>Serializable<\/code>\u63a5\u53e3\uff0c\u5219\u5b83\u4eec\u53ef\u4ee5\u901a\u8fc7\u7cbe\u5fc3\u6784\u9020\u7684\u6570\u636e\u6765\u8fbe\u5230\u653b\u51fb\u76ee\u7684\u3002<\/li>\n<\/ul>\n<h2>\u4f8b\u5b50<\/h2>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u7c7b<code>User<\/code>\u5b9e\u73b0\u4e86<code>Serializable<\/code>\u63a5\u53e3\uff0c\u5e76\u4e14\u6709\u4e00\u4e2a<code>readResolve()<\/code>\u65b9\u6cd5\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-java\">public class User implements Serializable {\n    private String name;\n    \/\/ \u9ed8\u8ba4\u6784\u9020\u51fd\u6570\n    public User() {}\n    \/\/ \u6784\u9020\u51fd\u6570\n    public User(String name) {\n        this.name = name;\n    }\n    \/\/ readResolve \u65b9\u6cd5\n    protected Object readResolve() throws ObjectStreamException {\n        if (\"admin\".equals(this.name)) {\n            return new User(\"guest\");\n        }\n        return this;\n    }\n}<\/code><\/pre>\n<p>\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u5373\u4f7f\u5c1d\u8bd5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>\"admin\"<\/code>\u7684\u7528\u6237\uff0c<code>readResolve()<\/code>\u65b9\u6cd5\u4e5f\u4f1a\u5c06\u5176\u66f4\u6539\u4e3a<code>\"guest\"<\/code>\u3002\u4f46\u5982\u679c\u653b\u51fb\u8005\u80fd\u591f\u63a7\u5236\u8f93\u5165\u6d41\uff0c\u4ed6\u4eec\u53ef\u80fd\u4f1a\u7ed5\u8fc7\u6b64\u68c0\u67e5\uff0c\u6216\u8005\u627e\u5230\u5176\u4ed6\u65b9\u5f0f\u6765\u6267\u884c\u6076\u610f\u4ee3\u7801\u3002<\/p>\n<h2>\u5982\u4f55\u9632\u6b62<\/h2>\n<ul>\n<li><strong>\u907f\u514d\u76f4\u63a5\u4f7f\u7528<\/strong><code>readObject()<\/code>\uff1a\u5c3d\u91cf\u4e0d\u8981\u76f4\u63a5\u4ece\u4e0d\u53ef\u4fe1\u6e90\u63a5\u6536\u548c\u53cd\u5e8f\u5217\u5316\u5bf9\u8c61\u3002<\/li>\n<li><strong>\u767d\u540d\u5355\u673a\u5236<\/strong>\uff1a\u53ea\u5141\u8bb8\u7279\u5b9a\u7c7b\u578b\u7684\u5bf9\u8c61\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5b89\u5168\u5e93<\/strong>\uff1a\u4f8b\u5982Apache Commons Lang\u63d0\u4f9b\u7684<code>SerializationUtils<\/code>\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u5b89\u5168\u7684\u65b9\u5f0f\u6765\u5904\u7406\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\u3002<\/li>\n<li><strong>\u66f4\u65b0\u4f9d\u8d56\u5e93<\/strong>\uff1a\u786e\u4fdd\u6240\u6709\u4f7f\u7528\u7684\u7b2c\u4e09\u65b9\u5e93\u90fd\u662f\u6700\u65b0\u7248\u672c\uff0c\u4ee5\u5305\u542b\u6700\u65b0\u7684\u5b89\u5168\u4fee\u590d\u3002<\/li>\n<li><strong>\u81ea\u5b9a\u4e49\u53cd\u5e8f\u5217\u5316\u5668<\/strong>\uff1a\u5b9e\u73b0\u81ea\u5df1\u7684\u53cd\u5e8f\u5217\u5316\u903b\u8f91\uff0c\u589e\u52a0\u989d\u5916\u7684\u5b89\u5168\u68c0\u67e5\u3002<br \/>\n\u603b\u4e4b\uff0c\u7406\u89e3\u548c\u8bc6\u522b\u6f5c\u5728\u7684\u98ce\u9669\u662f\u4fdd\u62a4\u5e94\u7528\u7a0b\u5e8f\u514d\u53d7\u6b64\u7c7b\u653b\u51fb\u7684\u5173\u952e\u6b65\u9aa4\u4e4b\u4e00\u3002\u6b63\u786e\u5730\u7ba1\u7406\u548c\u9650\u5236\u5bf9\u5e8f\u5217\u5316\u6570\u636e\u7684\u64cd\u4f5c\u53ef\u4ee5\u5e2e\u52a9\u663e\u8457\u51cf\u5c11\u8fd9\u7c7b\u5b89\u5168\u95ee\u9898\u7684\u53d1\u751f\u3002<\/li>\n<\/ul>\n<blockquote>\n<p>\u66f4\u65b0: 2025-05-10 11:21:57<br \/>\n\u539f\u6587: <a href=\"https:\/\/www.yuque.com\/yuhui.net\/network\/fdcebcp8ag32ps14\">https:\/\/www.yuque.com\/yuhui.net\/network\/fdcebcp8ag32ps14<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Java\u53cd\u5e8f\u5217\u5316 \u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316 \u5e8f\u5217\u5316\u662f\u4ece java \u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u5e8f\u5217\u7684\u8fc7\u7a0b \u53cd\u5e8f\u5217\u5316\u662f\u628a\u5b57\u8282\u5e8f\u5217\u6062\u590d\u4e3a java \u5bf9\u8c61\u7684\u8fc7\u7a0b \u4e3a\u4ec0\u4e48\u5e8f\u5217\u5316 \u5bf9\u8c61\u4e0d\u53ea\u662f\u5b58\u50a8\u8fd9\u5185\u5b58\u4e2d\uff0c\u8fd8\u9700\u8981\u8fd9\u4f20\u8f93\u7f51\u7edc\u8fdb\u884c\u4f20\u8f93\uff0c\u4fdd\u5b58\u8d77\u6765\u4e4b\u540e\u4e0b\u6b21\u518d\u52a0\u8f7d\u51fa\u6765\uff0c\u8fd9\u662f\u9700\u8981\u5e8f\u5217\u5316\u6280\u672f\uff0cjava \u7684\u5e8f\u5217\u5316\u6280\u672f\u662f\u628a\u5bf9\u8c61\u8f6c\u6362\u6210\u7531\u4e8c\u8fdb\u5236\u5b57\u8282\u7ec4\u6210\u7684\u6570\u7ec4\uff0c\u7136\u540e\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u4fdd\u5b58\u518d\u78c1\u76d8\u6216\u4f20\u8f93\u7f51\u7edc\uff0c\u7136\u540e\u9700\u8981\u7528\u5230\u5bf9\u8c61\u65f6\uff0c\u78c1\u76d8\u6216\u8005\u7f51\u7edc\u63a5\u53d7\u8005\u53ef\u4ee5\u901a\u8fc7\u53cd\u5e8f\u5217\u5316\u5f97 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119,120,2],"tags":[29,30],"class_list":["post-765","post","type-post","status-publish","format-standard","hentry","category-shentouceshijichu-network_sec","category-loudongleibie","category-network_sec","tag-java","tag-steam"],"_links":{"self":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/765","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/comments?post=765"}],"version-history":[{"count":0,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/765\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/media?parent=765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/categories?post=765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/tags?post=765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}