{"id":159,"date":"2026-03-19T19:39:17","date_gmt":"2026-03-19T11:39:17","guid":{"rendered":"https:\/\/arknight.wiki\/?p=159"},"modified":"2026-03-19T19:39:17","modified_gmt":"2026-03-19T11:39:17","slug":"java%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"https:\/\/arknight.wiki\/index.php\/2026\/03\/19\/java%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86\/","title":{"rendered":"java\u53cd\u5e8f\u5217\u5316\u57fa\u7840\u77e5\u8bc6"},"content":{"rendered":"

java\u53cd\u5e8f\u5217\u5316\uff1a<\/h1>\n

\u57fa\u7840\u77e5\u8bc6\uff1a<\/h3>\n

\u5e8f\u5217\u5316\uff0c\u53cd\u7cfb\u5217\u5316\u65b9\u6cd5\uff1a<\/p>\n

ObjectOutputStream\u7c7b\u7684 writeObject() \u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u5e8f\u5217\u5316\u3002\n\nObjectInputStream \u7c7b\u7684 readObject() \u65b9\u6cd5\u7528\u4e8e\u53cd\u5e8f\u5217\u5316\u3002<\/code><\/pre>\n
\u5e8f\u5217\u5316\u8fc7\u7a0b<\/strong>\u5c31\u662f\uff1a \u5bf9\u8c61<\/code> -> ObjectOutputStream<\/code> (\u5c06\u5bf9\u8c61\u8f6c\u4e3a\u5b57\u8282) -> FileOutputStream<\/code> (\u5c06\u5b57\u8282\u5199\u5165\u78c1\u76d8)\u8fd9\u91cc ObjectOutputStream<\/code> \u88c5\u9970\u4e86 FileOutputStream<\/code>\uff0c\u8d4b\u4e88\u4e86\u5b83\u201c\u5199\u5165\u5bf9\u8c61\u201d\u7684\u80fd\u529b\u3002<\/p>\n
\u53cd\u5e8f\u5217\u5316\u8fc7\u7a0b<\/strong>\u5c31\u662f\uff1a FileInputStream<\/code> (\u4ece\u78c1\u76d8\u8bfb\u5b57\u8282) -> ObjectInputStream<\/code> (\u5c06\u5b57\u8282\u8fd8\u539f\u4e3a\u5bf9\u8c61) -> \u5bf9\u8c61<\/code> \u8fd9\u91cc ObjectInputStream<\/code> \u88c5\u9970\u4e86 FileInputStream<\/code>\uff0c\u8d4b\u4e88\u4e86\u5b83\u201c\u8bfb\u53d6\u5e76\u8fd8\u539f\u5bf9\u8c61\u201d\u7684\u80fd\u529b\u3002<\/p>\n
\u88c5\u9970\uff1a\u5728\u4e0d\u4fee\u6539\u539f\u6709\u7c7b\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\uff0c\u52a8\u6001\u5730\u7ed9\u5bf9\u8c61\u6dfb\u52a0\u65b0\u7684\u529f\u80fd<\/strong>\u3002<\/h1>\n
\u57fa\u672c\u5e8f\u5217\u5316\uff0c\u53cd\u5e8f\u5217\u5316\u6d41\u7a0b\uff1a<\/h3>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e2apeople\u7c7b\u800c\u4e14\u6709tostring\u65b9\u6cd5\uff1a\nclass SerializeDemo {\n    public static void main(String[] args) throws IOException, ClassNotFoundException {\n\n        \/\/\u5e8f\u5217\u5316\u64cd\u4f5c\n        System.out.println(\"----------\u5e8f\u5217\u5316\u5f00\u59cb----------\");\n        People p = new People(\"John\", \"Male\", 30);\n        ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(\"People.txt\"));\n        oos.writeObject(p);\n        oos.flush();\n        oos.close();\n\n        \/\/\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\n        System.out.println(\"----------\u53cd\u5e8f\u5217\u5316\u5f00\u59cb----------\");\n        ObjectInputStream ois = new ObjectInputStream(new FileInputStream(\"People.txt\"));\n        People p1 = (People) ois.readObject();\n        ois.close();\n        System.out.println(p1);\n    }\n}\n<\/code><\/pre>\n
\u6f0f\u6d1e\u539f\u7406\uff1a<\/h3>\n
\u4e00\u4e9b\u81ea\u52a8\u6267\u884c\u7684\u65b9\u6cd5\u53ef\u4ee5\u81ea\u5b9a\u4e49\uff0c\u5bfc\u81f4\u610f\u5916\u4ee3\u7801\u6267\u884c<\/p>\n
\u89e6\u53d1\u70b9\uff1a<\/h3>\n
    \n
  • readObject()<\/code>\uff1a\u53cd\u5e8f\u5217\u5316\u7684\u8d77\u70b9\uff0c\u53cd\u5e8f\u5217\u5316\u81ea\u52a8\u8c03\u7528<\/li>\n
  • readResolve()<\/code>\uff1a\u662f\u00a0Java \u5e8f\u5217\u5316\u673a\u5236\u4e2d\u7684\u4e00\u4e2a\u94a9\u5b50\u65b9\u6cd5<\/strong>\uff0c\u5728\u6574\u4e2a\u5bf9\u8c61\u6784\u9020\u5b8c\u6210\u540e\uff0cJVM \u4f1a\u8c03\u7528\u00a0readResolve()<\/code>\uff0c\u5e76\u7528\u5b83\u7684\u8fd4\u56de\u503c\u66ff\u4ee3\u539f\u6765\u7684\u53cd\u5e8f\u5217\u5316\u7ed3\u679c\u3002<\/li>\n
  • InvocationHandler.invoke()<\/code>\uff1a\u52a8\u6001\u4ee3\u7406\u7c7b\u7684\u65b9\u6cd5\uff0c\u5728\u8c03\u7528\u4ee3\u7406\u7c7b\u4efb\u610f\u51fd\u6570\u65f6\u81ea\u52a8\u8c03\u7528invoke\u65b9\u6cd5<\/li>\n<\/ul>\n
    Gadget\u94fe\uff1a<\/h3>\n
    \u5b9a\u4e49\uff1a\u53ef\u4ee5\u88ab\u94fe\u63a5\u8d77\u6765\u9020\u6210\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u6267\u884c\u7279\u5b9a\u529f\u80fd\u7684\u7c7b\u6216\u65b9\u6cd5\uff0c\u4ed6\u4eec\u5e76\u975e\u6076\u610f\u4ee3\u7801\uff0c\u4f46\u662f\u5728\u94fe\u63a5\u8d77\u6765\u540e\u53ef\u4ee5\u4ea7\u751f\u5371\u9669\u7684\u884c\u4e3a<\/p>\n
    \u6784\u6210\uff1a<\/p>\n
      \n
    • \u5165\u53e3\u70b9\uff08Entry Point\uff09\uff1a\u53cd\u5e8f\u5217\u5316\u7684\u5165\u53e3\u4f8b\u5982readObject()\u65b9\u6cd5<\/li>\n
    • \u89e6\u53d1\u7c7b\uff08Trigger Class\uff09\uff1a\u5305\u542b\u53ef\u76f4\u63a5\u88ab\u53cd\u5e8f\u5217\u5316\u8c03\u7528\u65b9\u6cd5\u7684\u7c7b<\/li>\n
    • \u8fde\u63a5\u7c7b\uff08Chain Class\uff09\uff1a\u5c06\u89e6\u53d1\u529f\u80fd\u8f6c\u5316\u6210\u76ee\u6807\u529f\u80fd\u7684\u4e2d\u95f4\u7c7b<\/li>\n
    • \u6267\u884c\u7c7b\uff08sink Class\uff09\uff1a\u6700\u7ec8\u9020\u6210\u6076\u610f\u64cd\u4f5c\u7684\u7c7b\uff08\u4f8b\u5982Runtime\uff09<\/li>\n<\/ul>\n
      Serializable \u63a5\u53e3\uff1a<\/h3>\n
      Serializable \u662fjava\u63d0\u4f9b\u7684\u6807\u8bb0\u63a5\u53e3<\/strong>\uff0c\u4f4d\u4e8ejava.io\u5305\u4e2d\uff0c\u4f46\u662f\u8fd9\u4e2a\u63a5\u53e3\u5e76\u6ca1\u6709\u4efb\u4f55\u5185\u5bb9(\u6ca1\u6709\u5b9a\u4e49\u4efb\u4f55\u65b9\u6cd5)\uff0c\u5b83\u53ea\u662f\u4f5c\u4e3a\u4e00\u4e2a\u5e8f\u5217\u5316\u80fd\u529b\u7684\u6807\u8bc6\uff0c\u610f\u5473\u7740\u4efb\u4f55<\/p>\n
      \u5b9e\u73b0\u8be5\u63a5\u53e3\u7684\u5bf9\u8c61\u90fd\u53ef\u4ee5\u5b9e\u73b0\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684\u64cd\u4f5c\u3002<\/p>\n
      \u53ea\u6709\u5b9e\u73b0\u4e86Serializable\u6216\u8005Externalizable\u63a5\u53e3\u7684\u7c7b\u7684\u5bf9\u8c61\u624d\u80fd\u88ab\u5e8f\u5217\u5316\u4e3a\u5b57\u8282\u5e8f\u5217\u3002\uff08\u4e0d\u662f\u5219\u4f1a\u629b\u51fa\u5f02\u5e38\uff09<\/p>\n
      \u52a8\u6001\u4ee3\u7406\u76f8\u5173\u7c7b<\/h3>\n
      \u5173\u952e\u7c7b\uff1a<\/p>\n
        \n
      • java.lang.reflect.Proxy<\/code>\uff1a\u8fd9\u662f JDK \u52a8\u6001\u4ee3\u7406\u7684\u6838\u5fc3\u7c7b\u3002\u901a\u8fc7\u751f\u6210\u4e00\u4e2a\u4ee3\u7406\u5bf9\u8c61\uff0c\u4ee3\u7406\u5bf9\u8c61\u4f1a\u5c06\u65b9\u6cd5\u8c03\u7528\u8f6c\u53d1\u7ed9\u6307\u5b9a\u7684InvocationHandler<\/li>\n
      • java.lang.reflect.InvocationHandler<\/code>\uff1a\u8fd9\u662f\u4e00\u4e2a\u00a0\u63a5\u53e3<\/strong>\uff0c\u4ee3\u7406\u5bf9\u8c61\u7684\u6bcf\u4e2a\u65b9\u6cd5\u8c03\u7528\uff0c\u90fd\u4f1a\u88ab\u8f6c\u53d1\u5230\u00a0InvocationHandler.invoke()<\/code>\u3002<\/li>\n<\/ul>\n
        \u4f8b\uff1a<\/p>\n
        package TestCode;\n\nimport java.io.Serializable;\nimport java.lang.reflect.InvocationHandler;\nimport java.lang.reflect.Method;\nimport java.lang.reflect.Proxy;\n\n\/\/\u91cd\u5199\u6076\u610f\u7684invoke\u65b9\u6cd5\nclass ProxyHandler implements Serializable, InvocationHandler {\n    @Override\n    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {\n        Runtime.getRuntime().exec(\"calc\");  \/\/ \u4f1a\u6267\u884c calc\n        return null;\n    }\n}\n\n\/\/ \u968f\u4fbf\u5199\u4e00\u4e2a\u63a5\u53e3\ninterface TestInterface {\n    void hello();\n}\n\n\/\/ \u5b9e\u73b0\u7c7b\nclass Test implements TestInterface {\n    public void hello() {\n        System.out.println(\"Test\");\n    }\n}\n\n\/\/ \u521b\u5efa\u52a8\u6001\u4ee3\u7406\npublic class ProxyTest {\n    public static void main(String[] args) {\n        Test test = new Test();\n\n        TestInterface proxy = (TestInterface) Proxy.newProxyInstance(\n                test.getClass().getClassLoader(),\n                new Class[]{TestInterface.class},\n                new ProxyHandler()\n        );\n\n        proxy.hello();\n    }\n}\n<\/code><\/pre>\n
        \u547d\u4ee4\u5b9e\u73b0\u7c7b\uff1a<\/h3>\n
        \u5173\u952e\u7c7b\uff1a<\/p>\n
          \n
        • java.lang.Runtime<\/li>\n
        • java.lang.ProcessBuilder<\/li>\n
        • javax.script.ScriptEngine<\/li>\n<\/ul>\n
          \u4f8b\uff1a<\/p>\n
          \n\/\/\u65b9\u6cd51\uff1aRuntime.exec\nRuntime.getRuntime().exec(\"calc.exe\");\n\n\/\/\u65b9\u6cd52\uff1aProcessBuilder\nnew ProcessBuilder(\"calc.exe\").start();\n\n\/\/\u65b9\u6cd53\uff1aScriptEngine\nScriptEngineManager manager=new ScriptEngineManager();\nScriptEngine engine =manager.getEngineByName(\"js\");\nengine.eval(\"java.lang.Runtime.getRuntime().exec('calc.exe')\");\n\n \/\/\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cexec\u65b9\u6cd5\u8fd4\u56de\u7684\u662f\u4e00\u4e2aProcessBuilder\u5bf9\u8c61\uff0c\u5e76\u4e0d\u4f1a\u8fd4\u56de\u547d\u4ee4\u6267\u884c\u7ed3\u679c\uff0c\u6240\u4ee5\u6211\u4eec\u8fd8\u9700\u8981\u7528BufferedReader\u989d\u5916\u83b7\u53d6\u547d\u4ee4\u6267\u884c\u7ed3\u679c\u5e76\u6e32\u67d3\u8fd4\u56de\u5230\u9875\u9762\u4e0a<\/code><\/pre>\n
          \n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
          java\u53cd\u5e8f\u5217\u5316\uff1a \u57fa\u7840\u77e5\u8bc6\uff1a \u5e8f\u5217\u5316\uff0c\u53cd\u7cfb\u5217\u5316\u65b9\u6cd5\uff1a ObjectOutputStream\u7c7b\u7684 writeO […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-159","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/comments?post=159"}],"version-history":[{"count":1,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/159\/revisions"}],"predecessor-version":[{"id":160,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/159\/revisions\/160"}],"wp:attachment":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/media?parent=159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/categories?post=159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/tags?post=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}