{"id":24,"date":"2025-11-15T23:48:44","date_gmt":"2025-11-15T15:48:44","guid":{"rendered":"https:\/\/geligeli.xyz\/blog\/?p=24"},"modified":"2026-01-04T11:16:52","modified_gmt":"2026-01-04T03:16:52","slug":"string%e7%9b%b8%e5%85%b3","status":"publish","type":"post","link":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/2025\/11\/15\/string%e7%9b%b8%e5%85%b3\/","title":{"rendered":"string\u76f8\u5173"},"content":{"rendered":"\n<p>\u4e0b\u5217\u5173\u4e8e C++ string \u7c7b\u7684\u8bf4\u6cd5\uff0c\u6b63\u786e\u7684\u662f\uff1f<\/p>\n\n\n\n<p>A.\u00a0string \u5bf9\u8c61\u7684\u957f\u5ea6\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u6539\u53d8\u3002\u00a0<\/p>\n\n\n\n<p>B.\u00a0\u53ef\u4ee5\u4f7f\u7528 + \u8fd0\u7b97\u7b26\u76f4\u63a5\u8fde\u63a5\u4e00\u4e2a string \u5bf9\u8c61\u548c\u4e00\u4e2a char \u7c7b\u578b\u7684\u5b57\u7b26\u3002\u00a0<\/p>\n\n\n\n<p>C.\u00a0string \u7684 length() \u548c size() \u65b9\u6cd5\u8fd4\u56de\u7684\u503c\u53ef\u80fd\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u00a0D.\u00a0string \u5bf9\u8c61\u5fc5\u987b\u4ee5 &#8216;\\0&#8217; \u7ed3\u5c3e\uff0c\u4e14\u8fd9\u4e2a\u7ed3\u5c3e\u7b26\u8ba1\u5165 length()\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>A.string \u521b\u5efa\u540e\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7insert, erase\u7b49\u6539\u53d8<\/p>\n\n\n\n<p>B.\u53ef\u4ee5\u8fdb\u884c\u62fc\u63a5<\/p>\n\n\n\n<p>c. length() \u548c size() \u65b9\u6cd5\u8fd4\u56de\u7684\u503c\u4e00\u5b9a\u76f8\u540c<\/p>\n\n\n\n<p>D.length()\u4e0d\u4f1a\u5305\u62ec&#8217;\\0&#8242;, <code>length()<\/code>\u00a0\u548c\u00a0<code>size()<\/code>\u00a0\u8fd4\u56de\u7684\u662f\u5b57\u7b26\u4e32\u4e2d\u5b9e\u9645\u5b57\u7b26\u7684\u6570\u91cf<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u5217\u5173\u4e8e C++ string&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-24","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/posts\/24","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=24"}],"version-history":[{"count":1,"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/posts\/24\/revisions"}],"predecessor-version":[{"id":25,"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/posts\/24\/revisions\/25"}],"wp:attachment":[{"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=24"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=24"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/\u9f50\u6cb3\u4e00\u4e2d.cn\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}