{"id":1338,"date":"2022-10-30T22:48:26","date_gmt":"2022-10-30T14:48:26","guid":{"rendered":"https:\/\/qaqaq.top\/?p=1338"},"modified":"2022-11-27T12:39:46","modified_gmt":"2022-11-27T04:39:46","slug":"io%e6%b5%81%e4%b8%8e%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b-%e5%af%b9%e8%b1%a1%e6%b5%81%e5%ba%8f%e5%88%97%e5%8c%96%e4%b8%8e%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%93%8d","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=1338","title":{"rendered":"IO\u6d41\u4e0e\u7f51\u7edc\u7f16\u7a0b-\u5bf9\u8c61\u6d41\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u81ea\u5b9a\u4e49\u7c7b\u5b9e\u73b0\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\u3001serialVersionUID\u7684\u7406\u89e3\u3001\u81ea\u5b9a\u4e49\u7c7b\u53ef\u5e8f\u5217\u5316\u7684\u5176\u5b83\u8981\u6c42"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P612;\r\n\r\nimport org.junit.jupiter.api.Test;\r\n\r\nimport java.io.*;\r\n\r\n\/**\r\n * \u5bf9\u8c61\u6d41\u7684\u4f7f\u7528\r\n * 1. ObjectInputStream \u548c ObjectOutputStream\r\n * 2. \u4f5c\u7528\uff1a\r\n * \u7528\u4e8e\u5b58\u50a8\u548c\u8bfb\u53d6\u57fa\u672c\u6570\u636e\u7c7b\u578b\u6570\u636e\u6216\u5bf9\u8c61\u7684\u5904\u7406\u6d41\u3002\u5b83\u7684\u5f3a\u5927\u4e4b\u5904\u5c31\u662f\u53ef\u4ee5\u628aJava\u4e2d\u7684\u5bf9\u8c61\u5199\u5165\u5230\u6570\u636e\u6e90\u4e2d\uff0c\u4e5f\u80fd\u628a\u5bf9\u8c61\u4ece\u6570\u636e\u6e90\u4e2d\u8fd8\u539f\u56de\u6765\u3002\r\n *\r\n * 3. \u8981\u60f3\u4e00\u4e2ajava\u5bf9\u8c61\u662f\u53ef\u5e8f\u5217\u5316\u7684\uff0c\u9700\u8981\u6ee1\u8db3\u76f8\u5e94\u7684\u8981\u6c42\u3002\u89c1Person.java\r\n *\r\n * 4.\u5e8f\u5217\u5316\u673a\u5236\uff1a\r\n * \u5bf9\u8c61\u5e8f\u5217\u5316\u673a\u5236\u5141\u8bb8\u628a\u5185\u5b58\u4e2d\u7684Java\u5bf9\u8c61\u8f6c\u6362\u6210\u5e73\u53f0\u65e0\u5173\u7684\u4e8c\u8fdb\u5236\u6d41\uff0c\u4ece\u800c\u5141\u8bb8\u628a\u8fd9\u79cd\r\n * \u4e8c\u8fdb\u5236\u6d41\u6301\u4e45\u5730\u4fdd\u5b58\u5728\u78c1\u76d8\u4e0a\uff0c\u6216\u901a\u8fc7\u7f51\u7edc\u5c06\u8fd9\u79cd\u4e8c\u8fdb\u5236\u6d41\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u7f51\u7edc\u8282\u70b9\u3002\r\n * \u5f53\u5176\u5b83\u7a0b\u5e8f\u83b7\u53d6\u4e86\u8fd9\u79cd\u4e8c\u8fdb\u5236\u6d41\uff0c\u5c31\u53ef\u4ee5\u6062\u590d\u6210\u539f\u6765\u7684Java\u5bf9\u8c61\u3002\r\n *\r\n * @author RichieZhang\r\n * @create 2022-10-30 \u4e0b\u5348 6:40\r\n *\/\r\npublic class ObjectInputOutputStreamTest {\r\n\r\n    \/*\r\n    \u5e8f\u5217\u5316\u8fc7\u7a0b\uff1a\u5c06\u5185\u5b58\u4e2d\u7684java\u5bf9\u8c61\u4fdd\u5b58\u5230\u78c1\u76d8\u4e2d\u6216\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u51fa\u53bb\u3002\r\n    \u4f7f\u7528ObjectOutputStream\u5b9e\u73b0\r\n\r\n     *\/\r\n    @Test\r\n    public void testObjectOutputStream(){\r\n        ObjectOutputStream oos = null;\r\n        try {\r\n            \/\/1.\r\n            oos = new ObjectOutputStream(new FileOutputStream(\"object.dat\"));\r\n            \/\/2.\r\n            oos.writeObject(new String(\"\u6211\u7231\u5317\u4eac\u5929\u5b89\u95e8\"));\r\n            oos.flush();\/\/\u5237\u65b0\u64cd\u4f5c\r\n\r\n            oos.writeObject(new Person(\"\u5f20\u4e09\",23));\r\n            oos.flush();\r\n\r\n            oos.writeObject(new Person(\"\u674e\u56db\",23,1001,new Account(5000)));\r\n            oos.flush();\r\n        } catch (IOException e) {\r\n            e.printStackTrace();\r\n        } finally {\r\n            if (oos != null){\r\n                \/\/3.\r\n                try {\r\n                    oos.close();\r\n                } catch (IOException e) {\r\n                    e.printStackTrace();\r\n                }\r\n            }\r\n        }\r\n\r\n    }\r\n\r\n    \/*\r\n    \u53cd\u5e8f\u5217\u5316\uff1a\u5c06\u78c1\u76d8\u6587\u4ef6\u4e2d\u7684\u5bf9\u8c61\u8fd8\u539f\u4e3a\u5185\u5b58\u4e2d\u7684\u4e00\u4e2ajava\u5bf9\u8c61\r\n    \u4f7f\u7528ObjectInputStream\r\n     *\/\r\n    @Test\r\n    public void testObjectInputStream(){\r\n        ObjectInputStream ois = null;\r\n        try {\r\n            ois = new ObjectInputStream(new FileInputStream(\"object.dat\"));\r\n\r\n            Object obj = ois.readObject();\r\n            String str = (String) obj;\r\n\r\n            Person p = (Person) ois.readObject();\r\n            Person p1 = (Person) ois.readObject();\r\n\r\n            System.out.println(str);\r\n            System.out.println(p);\r\n            System.out.println(p1);\r\n        } catch (IOException e) {\r\n            e.printStackTrace();\r\n        } catch (ClassNotFoundException e) {\r\n            e.printStackTrace();\r\n        } finally {\r\n            if (ois != null){\r\n                try {\r\n                    ois.close();\r\n                } catch (IOException e) {\r\n                    e.printStackTrace();\r\n                }\r\n            }\r\n        }\r\n\r\n    }\r\n}\r\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P612;\r\n\r\nimport java.io.Serializable;\r\n\r\n\/**\r\n * Person\u9700\u8981\u6ee1\u8db3\u5982\u4e0b\u7684\u8981\u6c42\uff0c\u65b9\u53ef\u5e8f\u5217\u5316\r\n * 1. \u9700\u8981\u5b9e\u73b0\u63a5\u53e3\uff1aSerializable\r\n * 2. \u5f53\u524d\u7c7b\u63d0\u4f9b\u4e00\u4e2a\u5168\u5c40\u5e38\u91cf\uff1aSerialVersionUID\r\n * 3. \u9664\u4e86\u5f53\u524dPerson\u7c7b\u9700\u8981\u5b9e\u73b0Serializable\u63a5\u53e3\u4e4b\u5916\uff0c\u8fd8\u5fc5\u987b\u4fdd\u8bc1\u5176\u5185\u90e8\u6240\u6709\u5c5e\u6027\r\n *      \u4e5f\u5fc5\u987b\u662f\u53ef\u5e8f\u5217\u5316\u7684\u3002\uff08\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u57fa\u672c\u6570\u636e\u7c7b\u578b\u53ef\u5e8f\u5217\u5316\uff09\r\n *\r\n * \u8865\u5145\uff1aObjectOutputStream\u548cObjectInputStream\u4e0d\u80fd\u5e8f\u5217\u5316static\u548ctransient\u4fee\u9970\u7684\u6210\u5458\u53d8\u91cf\r\n *\r\n * @author RichieZhang\r\n * @create 2022-10-30 \u4e0b\u5348 6:58\r\n *\/\r\npublic class Person implements Serializable {\r\n\r\n    public static final long serialVersionUID = 241764714L;\r\n\r\n    private String name;\r\n    private int age;\r\n    private int id;\r\n    private Account acct;\r\n\r\n    public Person() {\r\n    }\r\n\r\n    public Person(String name, int age) {\r\n        this.name = name;\r\n        this.age = age;\r\n    }\r\n\r\n    public Person(String name, int age, int id) {\r\n        this.name = name;\r\n        this.age = age;\r\n        this.id = id;\r\n    }\r\n\r\n    public Person(String name, int age, int id, Account acct) {\r\n        this.name = name;\r\n        this.age = age;\r\n        this.id = id;\r\n        this.acct = acct;\r\n    }\r\n\r\n    public String getName() {\r\n        return name;\r\n    }\r\n\r\n    public void setName(String name) {\r\n        this.name = name;\r\n    }\r\n\r\n    public int getAge() {\r\n        return age;\r\n    }\r\n\r\n    public void setAge(int age) {\r\n        this.age = age;\r\n    }\r\n\r\n    public int getId() {\r\n        return id;\r\n    }\r\n\r\n    public void setId(int id) {\r\n        this.id = id;\r\n    }\r\n\r\n    @Override\r\n    public String toString() {\r\n        return \"Person{\" +\r\n                \"name='\" + name + '\\'' +\r\n                \", age=\" + age +\r\n                \", id=\" + id +\r\n                \", acct=\" + acct +\r\n                '}';\r\n    }\r\n}\r\n\r\nclass Account implements Serializable{\r\n    public static final long serialVersionUID = 241764724L;\r\n    private double balance;\r\n\r\n    public Account(double balance) {\r\n        this.balance = balance;\r\n    }\r\n\r\n    public double getBalance() {\r\n        return balance;\r\n    }\r\n\r\n    public void setBalance(double balance) {\r\n        this.balance = balance;\r\n    }\r\n\r\n    @Override\r\n    public String toString() {\r\n        return \"Account{\" +\r\n                \"balance=\" + balance +\r\n                '}';\r\n    }\r\n}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-1338","post","type-post","status-publish","format-standard","hentry","category-java-code","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1338"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1338"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1338\/revisions"}],"predecessor-version":[{"id":1339,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1338\/revisions\/1339"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}