{"id":64528,"date":"2025-05-03T09:02:49","date_gmt":"2025-05-03T01:02:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64528\/"},"modified":"2025-05-03T09:02:49","modified_gmt":"2025-05-03T01:02:49","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e8%bd%ac%e6%88%90%e5%af%b9%e8%b1%a1%e6%88%90%e5%af%b9%e8%b1%a1-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64528\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u5bf9\u8c61\u6210\u5bf9\u8c61"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\uff0c\u9700\u8981\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u521b\u5efa\u4e00\u4e2a\u4e0e\u6570\u7ec4\u7ed3\u6784\u5bf9\u5e94\u7684 pojo \u7c7b\u3002\u521d\u59cb\u5316\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684\u5bf9\u8c61\u6570\u7ec4\u3002\u7f16\u5199\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5\u5c06\u5bf9\u8c61\u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\u3002\u8c03\u7528\u8be5\u65b9\u6cd5\u6765\u6267\u884c\u8f6c\u6362\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110323392929172.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u5bf9\u8c61\u6210\u5bf9\u8c61\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u5bf9\u8c61\u6210\u5bf9\u8c61\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61<\/strong><\/p>\n<p>\u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\u7684\u8fc7\u7a0b\u6d89\u53ca\u521b\u5efa\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u548c\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0\u8be5\u76ee\u7684\u7684\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u521b\u5efa\u4e00\u4e2a POJO \u7c7b<\/strong><\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u4e0e\u6570\u7ec4\u7ed3\u6784\u5339\u914d\u7684 POJO\uff08\u666e\u901a\u65e7 Java \u5bf9\u8c61\uff09\u7c7b\u3002\u8be5\u7c7b\u5e94\u5305\u542b\u4e0e\u6570\u7ec4\u5143\u7d20\u76f8\u5bf9\u5e94\u7684\u5b57\u6bb5\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>2. \u521d\u59cb\u5316\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u521d\u59cb\u5316\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>Object[] objectArray = new Object[]{arr1, arr2, arr3};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u521b\u5efa\u4e00\u4e2a\u8f6c\u6362\u65b9\u6cd5<\/strong><\/p>\n<p>\u7f16\u5199\u4e00\u4e2a\u5c06\u5bf9\u8c61\u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\u7684\u9759\u6001\u65b9\u6cd5\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>public static &lt;T&gt; T convertArrayToObject(Object[] objectArray, Class&lt;T&gt; type) {\n    T object = null;\n    try {\n        \/\/ \u4f7f\u7528\u53cd\u5c04\u521b\u5efa\u5bf9\u8c61\n        object = type.newInstance();\n\n        \/\/ \u83b7\u53d6\u5bf9\u8c61\u5b57\u6bb5\n        Field[] fields = type.getDeclaredFields();\n\n        \/\/ \u904d\u5386\u5bf9\u8c61\u6570\u7ec4\u5e76\u8bbe\u7f6e\u5bf9\u8c61\u5b57\u6bb5\n        for (int i = 0; i &lt; fields.length; i++) {\n            Field field = fields[i];\n            field.setAccessible(true);\n            field.set(object, objectArray[i]);\n        }\n    } catch (Exception e) {\n        e.printStackTrace();\n    }\n    return object;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u8c03\u7528\u8f6c\u6362\u65b9\u6cd5<\/strong><\/p>\n<p>\u4f7f\u7528 convertArrayToObject() \u65b9\u6cd5\u5c06\u5bf9\u8c61\u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>Object object = convertArrayToObject(objectArray, MyObject.class);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a arr \u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u4e09\u4e2a\u6574\u6570\u5143\u7d20\u3002\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5c06\u8be5\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5305\u542b\u8fd9\u4e9b\u6574\u6570\u7684 MyObject \u5bf9\u8c61\uff1a<\/p>\n<pre>\/\/ \u521b\u5efa\u4e00\u4e2a POJO \u7c7b\nclass MyObject {\n    private int arr1;\n    private int arr2;\n    private int arr3;\n    \/\/ \u7701\u7565 getter \u548c setter \u65b9\u6cd5\n}\n\n\/\/ \u8f6c\u6362\u65b9\u6cd5\npublic static &lt;T&gt; T convertArrayToObject(Object[] objectArray, Class&lt;T&gt; type) {\n    \/\/ ... (\u5982\u524d\u9762\u6240\u793a)\n}\n\nint[] arr = {1, 2, 3};\nObject[] objectArray = new Object[]{arr[0], arr[1], arr[2]};\n\n\/\/ \u5c06\u5bf9\u8c61\u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\nMyObject object = convertArrayToObject(objectArray, MyObject.class);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a MyObject \u5bf9\u8c61\uff0c\u5176\u4e2d arr1\u3001arr2 \u548c arr3 \u5b57\u6bb5\u5206\u522b\u5305\u542b\u6570\u7ec4 arr \u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u5bf9\u8c61\u6210\u5bf9\u8c61\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\uff0c\u9700\u8981\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u521b\u5efa\u4e00\u4e2a\u4e0e\u6570\u7ec4\u7ed3\u6784\u5bf9\u5e94\u7684 pojo \u7c7b\u3002\u521d\u59cb\u5316\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684\u5bf9\u8c61\u6570\u7ec4\u3002\u7f16\u5199\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5\u5c06\u5bf9\u8c61\u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\u3002\u8c03\u7528\u8be5\u65b9\u6cd5\u6765\u6267\u884c\u8f6c\u6362\u3002 \u5982\u4f55\u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61 \u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\u7684\u8fc7\u7a0b\u6d89\u53ca\u521b\u5efa\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u548c\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0\u8be5\u76ee\u7684\u7684\u6b65\u9aa4\uff1a 1. \u521b\u5efa\u4e00\u4e2a POJO \u7c7b \u521b\u5efa\u4e00\u4e2a\u4e0e\u6570\u7ec4\u7ed3\u6784\u5339\u914d\u7684 POJO\uff08\u666e\u901a\u65e7 Java \u5bf9\u8c61\uff09\u7c7b\u3002\u8be5\u7c7b\u5e94\u5305\u542b\u4e0e\u6570\u7ec4\u5143\u7d20\u76f8\u5bf9\u5e94\u7684\u5b57\u6bb5\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u521d\u59cb\u5316\u5bf9\u8c61\u6570\u7ec4 \u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u521d\u59cb\u5316\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a Object[] objectArray = new Object[]{arr1, arr2, arr3}; \u767b\u5f55\u540e\u590d\u5236 3. \u521b\u5efa\u4e00\u4e2a\u8f6c\u6362\u65b9\u6cd5 \u7f16\u5199\u4e00\u4e2a\u5c06\u5bf9\u8c61\u6570\u7ec4\u8f6c\u6362\u4e3a\u5bf9\u8c61\u7684\u9759\u6001\u65b9\u6cd5\uff0c\u5982\u4e0b\u6240\u793a\uff1a public static &lt;T&gt; T convertArrayToObject(Object[] objectArray, Class&lt;T&gt; type) { T object = null; try { \/\/ \u4f7f\u7528\u53cd\u5c04\u521b\u5efa\u5bf9\u8c61 object = type.newInstance(); \/\/ [&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-64528","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64528","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=64528"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64528\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}