{"id":64228,"date":"2025-05-03T12:44:56","date_gmt":"2025-05-03T04:44:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64228\/"},"modified":"2025-05-03T12:44:56","modified_gmt":"2025-05-03T04:44:56","slug":"%e5%90%91%e4%b8%8a%e7%b1%bb%e5%9e%8b%e8%bd%ac%e6%8d%a2%e4%b8%8ethis%e5%85%b3%e9%94%ae%e5%ad%97%e7%9a%84%e5%85%b3%e7%b3%bb%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64228\/","title":{"rendered":"\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u4e0ethis\u5173\u952e\u5b57\u7684\u5173\u7cfb\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173054990299318.jpg\" class=\"aligncenter\" title=\"\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u4e0ethis\u5173\u952e\u5b57\u7684\u5173\u7cfb\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u4e0ethis\u5173\u952e\u5b57\u7684\u5173\u7cfb\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>this\u5173\u952e\u5b57\u7528\u6cd5\u89e3\u6790<\/strong><\/p>\n<p>\u60a8\u63d0\u4f9b\u7684\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u7684\u662f\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\uff0c\u5e76\u4e0d\u662fthis\u5173\u952e\u5b57\u7684\u7528\u6cd5\u3002this\u5173\u952e\u5b57\u901a\u5e38\u7528\u4e8e\u6307\u5411\u5f53\u524d\u7684\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u800c\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u5219\u662f\u5728\u7236\u7c7b\u548c\u5b50\u7c7b\u4e4b\u95f4\u8fdb\u884c\u5bf9\u8c61\u8f6c\u6362\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u5728\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\uff0c\u7c7ba\u548c\u7c7bb\u662f\u7236\u5b50\u7c7b\u5173\u7cfb\u3002\u7c7bb\u91cd\u5199\u4e86\u7c7ba\u4e2d\u7684print\u65b9\u6cd5\u3002<\/p>\n<p>\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u662f\u6307\u5c06\u5b50\u7c7b\u7684\u5bf9\u8c61\u8d4b\u7ed9\u7236\u7c7b\u7684\u5f15\u7528\uff0c\u5c31\u50cf\u4ee5\u4e0b\u4ee3\u7801\u4e2d\u6240\u793a\uff1a<\/p>\n<pre>B b = new B();\nA a = b; \/\/ \u5411\u4e0a\u7c7b\u578b\u8f6c\u6362<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6b64\u65f6\uff0ca\u5f15\u7528\u6307\u5411\u7684\u662fb\u5bf9\u8c61\u3002\u8c03\u7528a.print()\u65b9\u6cd5\u5c06\u8c03\u7528b\u7c7b\u4e2d\u7684\u91cd\u5199\u65b9\u6cd5\uff0c\u8fd9\u662f\u56e0\u4e3ajava\u91c7\u7528\u52a8\u6001\u7ed1\u5b9a\u673a\u5236\u3002<\/p>\n<p>\u7136\u800c\uff0ca\u5f15\u7528\u5931\u53bb\u4e86\u8bbf\u95eeb\u7c7b\u4e2dspeek()\u65b9\u6cd5\u7684\u80fd\u529b\uff0c\u56e0\u4e3aspeek()\u65b9\u6cd5\u5728a\u7c7b\u4e2d\u4e0d\u5b58\u5728\u3002\uff08\u53ef\u4ee5\u7528\u5411\u4e0b\u7c7b\u578b\u8f6c\u6362\u6765\u6062\u590d\u5bf9speek()\u65b9\u6cd5\u7684\u8bbf\u95ee\uff09\u3002<\/p>\n<p>\u56e0\u6b64\uff0cthis\u5173\u952e\u5b57\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5e76\u4e0d\u76f8\u5173\uff0c\u56e0\u4e3a\u5b83\u4e3b\u8981\u7528\u4e8e\u5728\u65b9\u6cd5\u6216\u6784\u9020\u51fd\u6570\u4e2d\u5f15\u7528\u5f53\u524d\u5bf9\u8c61\u5b9e\u4f8b\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u4e0ethis\u5173\u952e\u5b57\u7684\u5173\u7cfb\u662f\u4ec0\u4e48\uff1f\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>this\u5173\u952e\u5b57\u7528\u6cd5\u89e3\u6790 \u60a8\u63d0\u4f9b\u7684\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u7684\u662f\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\uff0c\u5e76\u4e0d\u662fthis\u5173\u952e\u5b57\u7684\u7528\u6cd5\u3002this\u5173\u952e\u5b57\u901a\u5e38\u7528\u4e8e\u6307\u5411\u5f53\u524d\u7684\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u800c\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u5219\u662f\u5728\u7236\u7c7b\u548c\u5b50\u7c7b\u4e4b\u95f4\u8fdb\u884c\u5bf9\u8c61\u8f6c\u6362\u7684\u64cd\u4f5c\u3002 \u5728\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\uff0c\u7c7ba\u548c\u7c7bb\u662f\u7236\u5b50\u7c7b\u5173\u7cfb\u3002\u7c7bb\u91cd\u5199\u4e86\u7c7ba\u4e2d\u7684print\u65b9\u6cd5\u3002 \u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u662f\u6307\u5c06\u5b50\u7c7b\u7684\u5bf9\u8c61\u8d4b\u7ed9\u7236\u7c7b\u7684\u5f15\u7528\uff0c\u5c31\u50cf\u4ee5\u4e0b\u4ee3\u7801\u4e2d\u6240\u793a\uff1a B b = new B(); A a = b; \/\/ \u5411\u4e0a\u7c7b\u578b\u8f6c\u6362 \u767b\u5f55\u540e\u590d\u5236 \u6b64\u65f6\uff0ca\u5f15\u7528\u6307\u5411\u7684\u662fb\u5bf9\u8c61\u3002\u8c03\u7528a.print()\u65b9\u6cd5\u5c06\u8c03\u7528b\u7c7b\u4e2d\u7684\u91cd\u5199\u65b9\u6cd5\uff0c\u8fd9\u662f\u56e0\u4e3ajava\u91c7\u7528\u52a8\u6001\u7ed1\u5b9a\u673a\u5236\u3002 \u7136\u800c\uff0ca\u5f15\u7528\u5931\u53bb\u4e86\u8bbf\u95eeb\u7c7b\u4e2dspeek()\u65b9\u6cd5\u7684\u80fd\u529b\uff0c\u56e0\u4e3aspeek()\u65b9\u6cd5\u5728a\u7c7b\u4e2d\u4e0d\u5b58\u5728\u3002\uff08\u53ef\u4ee5\u7528\u5411\u4e0b\u7c7b\u578b\u8f6c\u6362\u6765\u6062\u590d\u5bf9speek()\u65b9\u6cd5\u7684\u8bbf\u95ee\uff09\u3002 \u56e0\u6b64\uff0cthis\u5173\u952e\u5b57\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5e76\u4e0d\u76f8\u5173\uff0c\u56e0\u4e3a\u5b83\u4e3b\u8981\u7528\u4e8e\u5728\u65b9\u6cd5\u6216\u6784\u9020\u51fd\u6570\u4e2d\u5f15\u7528\u5f53\u524d\u5bf9\u8c61\u5b9e\u4f8b\u3002 \u4ee5\u4e0a\u5c31\u662f\u5411\u4e0a\u7c7b\u578b\u8f6c\u6362\u4e0ethis\u5173\u952e\u5b57\u7684\u5173\u7cfb\u662f\u4ec0\u4e48\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-64228","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64228","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=64228"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64228\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}