{"id":189,"date":"2023-11-12T21:36:23","date_gmt":"2023-11-12T13:36:23","guid":{"rendered":"http:\/\/yanzhenhua.top\/?p=189"},"modified":"2024-01-01T23:50:30","modified_gmt":"2024-01-01T15:50:30","slug":"%e6%95%b0%e7%bb%84-array","status":"publish","type":"post","link":"http:\/\/yanzhenhua.top\/?p=189","title":{"rendered":"\u6570\u7ec4 (Array)"},"content":{"rendered":"<h4 class=\"md-end-block md-heading\"><span class=\"md-plain\">\u5b9a\u4e49\uff1a<\/span><\/h4>\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6570\u7ec4\u662f\u4e00\u79cd\u7ebf\u6027\u6570\u636e\u7ed3\u6784\uff0c\u7531\u4e00\u7ec4\u8fde\u7eed\u7684\u5185\u5b58\u4f4d\u7f6e\u7ec4\u6210\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002<\/span><\/p>\n<h4 class=\"md-end-block md-heading\"><span class=\"md-plain\">\u7279\u6027\uff1a<\/span><\/h4>\n<ol class=\"ol-list\" start=\"\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8fde\u7eed\u5b58\u50a8<\/span><\/strong><\/span><span class=\"md-plain md-expand\">\uff1a\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5728\u5185\u5b58\u4e2d\u662f\u8fde\u7eed\u5b58\u50a8\u7684\uff0c\u8fd9\u4e5f\u4f7f\u5f97\u6570\u7ec4\u652f\u6301\u5e38\u6570\u65f6\u95f4\u590d\u6742\u5ea6\uff08O(1)\uff09\u7684\u968f\u673a\u8bbf\u95ee\u3002\u8fd9\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u4efb\u4f55\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5927\u5c0f\u56fa\u5b9a<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u4e00\u65e6\u6570\u7ec4\u88ab\u521b\u5efa\u5e76\u5206\u914d\u4e86\u5927\u5c0f\uff0c\u5b83\u7684\u5927\u5c0f\u901a\u5e38\u662f\u56fa\u5b9a\u7684\uff0c\u4e0d\u6613\u52a8\u6001\u8c03\u6574\u3002\u4e00\u4e9b\u7f16\u7a0b\u8bed\u8a00\u63d0\u4f9b\u4e86\u52a8\u6001\u6570\u7ec4\u6216\u8005\u4e0e\u6570\u7ec4\u529f\u80fd\u7c7b\u4f3c\u7684\u6570\u636e\u7ed3\u6784\u6765\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n<h4 class=\"md-end-block md-heading\"><span class=\"md-plain\">\u57fa\u672c\u64cd\u4f5c\uff1a<\/span><\/h4>\n<ol class=\"ol-list\" start=\"\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u8bbf\u95ee<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u4f8b\u5982\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>arr[2]<\/code><\/span><span class=\"md-plain\"> \u53ef\u4ee5\u7528\u6765\u8bbf\u95ee\u6570\u7ec4 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>arr<\/code><\/span><span class=\"md-plain\"> \u4e2d\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u63d2\u5165<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u5728\u7ed9\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u901a\u5e38\u9700\u8981\u5c06\u8be5\u4f4d\u7f6e\u540e\u7684\u6240\u6709\u5143\u7d20\u5411\u540e\u79fb\u52a8\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a O(n)\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u5220\u9664<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u5220\u9664\u7ed9\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\u901a\u5e38\u9700\u8981\u5c06\u8be5\u4f4d\u7f6e\u540e\u7684\u6240\u6709\u5143\u7d20\u5411\u524d\u79fb\u52a8\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a O(n)\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u66f4\u65b0<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a\u76f4\u63a5\u4f7f\u7528\u7d22\u5f15\u66f4\u65b0\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c<\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>arr[2] = 5<\/code><\/span><span class=\"md-plain\"> \u5c06\u66f4\u65b0\u6570\u7ec4 <\/span><span class=\"md-pair-s\" spellcheck=\"false\"><code>arr<\/code><\/span><span class=\"md-plain\"> \u4e2d\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\u4e3a 5\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n<h4 class=\"md-end-block md-heading\"><span class=\"md-plain\">\u5e94\u7528\u573a\u666f\uff1a<\/span><\/h4>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5f53\u9700\u8981\u5b58\u50a8\u56fa\u5b9a\u6570\u91cf\u7684\u76f8\u540c\u7c7b\u578b\u7684\u5143\u7d20\u65f6\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u7b80\u5355\u4e14\u6709\u6548\u7684\u9009\u62e9\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u6570\u7ec4\u9002\u5408\u4e8e\u9891\u7e41\u7684\u968f\u673a\u8bbf\u95ee\u64cd\u4f5c\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5728\u9700\u8981\u8fdb\u884c\u6570\u503c\u8ba1\u7b97\u6216\u6570\u636e\u5904\u7406\u65f6\uff0c\u6570\u7ec4\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6548\u7684\u5b58\u50a8\u548c\u8bbf\u95ee\u65b9\u5f0f\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h4 class=\"md-end-block md-heading\"><span class=\"md-plain\">\u4f18\u7f3a\u70b9\uff1a<\/span><\/h4>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u4f18\u70b9<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u652f\u6301\u5e38\u6570\u65f6\u95f4\u590d\u6742\u5ea6\u7684\u968f\u673a\u8bbf\u95ee\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5185\u5b58\u5206\u914d\u662f\u8fde\u7eed\u7684\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528CPU\u7f13\u5b58\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7b80\u5355\u4e14\u6613\u4e8e\u7406\u89e3\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">\u7f3a\u70b9<\/span><\/strong><\/span><span class=\"md-plain\">\uff1a<\/span><\/p>\n<ul class=\"ul-list\" data-mark=\"-\">\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u5927\u5c0f\u56fa\u5b9a\uff0c\u901a\u5e38\u4e0d\u80fd\u52a8\u6001\u8c03\u6574\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u8f83\u9ad8\uff0c\u53ef\u80fd\u9700\u8981\u79fb\u52a8\u5927\u91cf\u5143\u7d20\u3002<\/span><\/p>\n<\/li>\n<li class=\"md-list-item\">\n<p class=\"md-end-block md-p\"><span class=\"md-plain\">\u7531\u4e8e\u5185\u5b58\u662f\u8fde\u7eed\u5206\u914d\u7684\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u788e\u7247\u5316\u95ee\u9898\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<h4 class=\"md-end-block md-heading\"><span class=\"md-plain\">\u603b\u7ed3\uff1a<\/span><\/h4>\n<p class=\"md-end-block md-p md-focus\"><span class=\"md-plain\">\u6570\u7ec4\u662f\u4e00\u79cd\u57fa\u7840\u4f46\u975e\u5e38\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7f16\u7a0b\u573a\u666f\u548c\u7b97\u6cd5\u5b9e\u73b0\u4e2d\u3002\u4e86\u89e3\u5176\u7279\u6027\u3001\u64cd\u4f5c\u548c\u5e94\u7528\u573a\u666f\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u6709\u6548\u5730\u4f7f\u7528\u548c\u4f18\u5316\u7b97\u6cd5\u548c\u7a0b\u5e8f\u8bbe\u8ba1\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9a\u4e49\uff1a \u6570\u7ec4\u662f\u4e00\u79cd\u7ebf\u6027\u6570\u636e\u7ed3\u6784\uff0c\u7531\u4e00\u7ec4\u8fde\u7eed\u7684\u5185\u5b58\u4f4d\u7f6e\u7ec4\u6210\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002 \u7279\u6027\uff1a \u8fde\u7eed\u5b58\u50a8&hellip; <a href=\"http:\/\/yanzhenhua.top\/?p=189\" class=\"more-link read-more\" rel=\"bookmark\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">\u6570\u7ec4 (Array)<\/span><i class=\"fa fa-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[12],"class_list":{"0":"post-189","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-11","7":"tag-12","8":"h-entry","10":"h-as-article"},"_links":{"self":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=189"}],"version-history":[{"count":1,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/189\/revisions"}],"predecessor-version":[{"id":190,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=\/wp\/v2\/posts\/189\/revisions\/190"}],"wp:attachment":[{"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=189"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yanzhenhua.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}