{"id":2231,"date":"2024-06-15T07:14:37","date_gmt":"2024-06-14T23:14:37","guid":{"rendered":"https:\/\/wp.minicoda.com\/?p=2231"},"modified":"2025-03-24T13:34:03","modified_gmt":"2025-03-24T05:34:03","slug":"new%e7%94%b3%e8%af%b7-%e5%88%9d%e5%a7%8b%e5%8c%96%e5%af%b9%e8%b1%a1%e4%b8%80%e5%ae%9a%e6%98%af%e5%9c%a8%e5%a0%86-%e6%89%98%e7%ae%a1%e5%a0%86%e5%90%97","status":"publish","type":"post","link":"https:\/\/wp.minicoda.com\/index.php\/new%e7%94%b3%e8%af%b7-%e5%88%9d%e5%a7%8b%e5%8c%96%e5%af%b9%e8%b1%a1%e4%b8%80%e5%ae%9a%e6%98%af%e5%9c%a8%e5%a0%86-%e6%89%98%e7%ae%a1%e5%a0%86%e5%90%97\/","title":{"rendered":"new\u7533\u8bf7\/\u521d\u59cb\u5316\u5bf9\u8c61\u4e00\u5b9a\u662f\u5728\u5806\/\u6258\u7ba1\u5806\u5417?"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li>C++\u4f7f\u7528new\u4e00\u5b9a\u662f\u5728\u5806\u4e0a\u7533\u8bf7\uff0c\u4e0d\u8fc7\u6709\u4e2a\u7279\u4f8bplacement new\uff0c\u5b83\u53ef\u4ee5\u6307\u5b9a\u4efb\u4f55\u5185\u5b58\u533a\u57df\uff0c\u4e0d\u6b62\u5806\uff0c\u8fd8\u5305\u62ec\u6808\u6216\u8005\u5168\u5c40\u9759\u6001\u5185\u5b58\u533a\u3002<\/li>\n\n\n\n<li>ObjC\u4f7f\u7528new\u6216\u8005alloc\u59cb\u7ec8\u662f\u5728\u5806\u7533\u8bf7\u5185\u5b58\u3002<\/li>\n\n\n\n<li>C#\u6839\u636e\u7c7b\u578b\u662f\u5f15\u7528\u7c7b\u578b\u8fd8\u662f\u7ed3\u6784\u7c7b\u578b(\u5305\u62ec\u57fa\u672c\u7c7b\u578b)\u51b3\u5b9a\u662f\u5728\u6258\u7ba1\u5806\u8fd8\u662f\u6808\uff0c\u4e8c\u8005\u6240\u5904\u5185\u5b58\u533a\u57df\u6c34\u706b\u4e0d\u5bb9\u3002<br>\u4f8b\u5982\u7ed3\u6784\u4f53SomeStruct a = new SomeStruct()\u662f\u5728\u6808\u4e0a\u4fdd\u5b58\u3002<\/li>\n\n\n\n<li>Java\u6ca1\u6709\u7ed3\u6784\u4f53\uff0cnew\u7533\u8bf7\u5bf9\u8c61\u4e00\u5b9a\u662f\u6258\u7ba1\u5806\u3002<\/li>\n\n\n\n<li>Swift\u548cC#\u7684\u8bbe\u8ba1\u7406\u5ff5\u5f88\u50cf\uff0c\u503c\u7c7b\u578b\u548c\u5f15\u7528\u7c7b\u578b\u5206\u522b\u4f4d\u4e8e\u6808\u548c\u5806\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">placement new<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C++ \u652f\u6301\u6307\u5b9a\u5728\u975e\u5806\u7a7a\u95f4\u5206\u914d\u5bf9\u8c61\uff0c\u6b64\u65f6\u7f16\u8bd1\u5668\u4e0d\u4f1a\u8c03\u7528\u6790\u6784\u51fd\u6570\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>placement new<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[299],"tags":[],"class_list":["post-2231","post","type-post","status-publish","format-standard","hentry","category-think"],"views":79,"_links":{"self":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/2231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/comments?post=2231"}],"version-history":[{"count":3,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/2231\/revisions"}],"predecessor-version":[{"id":4053,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/2231\/revisions\/4053"}],"wp:attachment":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/media?parent=2231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/categories?post=2231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/tags?post=2231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}