{"id":2084,"date":"2023-01-29T15:46:03","date_gmt":"2023-01-29T07:46:03","guid":{"rendered":"https:\/\/courtship.top\/?p=2084"},"modified":"2023-01-29T15:46:03","modified_gmt":"2023-01-29T07:46:03","slug":"const%e4%b8%8ereadonly%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/courtship.top\/index.php\/2023\/01\/29\/const%e4%b8%8ereadonly%e7%9a%84%e5%8c%ba%e5%88%ab\/","title":{"rendered":"const\u4e0ereadonly\u7684\u533a\u522b"},"content":{"rendered":"\n

const\u4e0ereadonly \u5f88\u50cf\uff0c\u90fd\u662f\u5c06\u53d8\u91cf\u58f0\u660e\u4e3a\u53ea\u8bfb\uff0c\u4e14\u5728\u53d8\u91cf\u521d\u59cb\u5316\u540e\u5c31\u4e0d\u53ef\u6539\u5199<\/strong>\u3002\u90a3\u4e48\u4ed6\u4eec\u6709\u4ec0\u4e48\u4e0d\u540c\uff1f<\/p>\n\n\n\n

\u8fd9\u548c\u4e24\u4e2a\u6982\u5ff5\u9759\u6001\u5e38\u91cf<\/strong>\u548c\u52a8\u6001\u5e38\u91cf<\/strong>\u6709\u5173<\/p>\n\n\n\n

\u9759\u6001\u5e38\u91cf<\/h2>\n\n\n\n

\u9759\u6001\u5e38\u91cf\u662f\u6307\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u65f6\u5019\u4f1a\u5bf9\u5e38\u91cf\u8fdb\u884c\u89e3\u6790\uff0c\u5e76\u5c06\u5e38\u91cf\u7684\u503c\u66ff\u6362\u6210\u521d\u59cb\u5316\u7684\u90a3\u4e2a\u503c\u3002<\/strong><\/p>\n\n\n\n

\u52a8\u6001\u5e38\u91cf<\/h2>\n\n\n\n

\u52a8\u6001\u5e38\u91cf\u7684\u503c\u5219\u662f\u5728\u8fd0\u884c<\/strong>\u7684\u90a3\u4e00\u523b\u624d\u83b7\u5f97\u7684\uff0c\u7f16\u8bd1\u5668\u7f16\u8bd1\u671f\u95f4\u5c06\u5176\u6807\u793a\u4e3a\u53ea\u8bfb\u5e38\u91cf\uff0c\u800c\u4e0d\u7528\u5e38\u91cf\u7684\u503c\u4ee3\u66ff<\/strong>\uff0c\u8fd9\u6837\u52a8\u6001\u5e38\u91cf\u4e0d\u5fc5\u5728\u58f0\u660e\u7684\u65f6\u5019\u5c31\u521d\u59cb\u5316\uff0c\u800c\u53ef\u4ee5\u5ef6\u8fdf\u5230\u6784\u9020\u51fd\u6570\u4e2d\u521d\u59cb\u5316\u3002<\/p>\n\n\n\n

const\u4fee\u9970\u7684\u5e38\u91cf\u662f\u4e0a\u8ff0\u4e2d\u7684\u7b2c\u4e00\u79cd\uff0c\u5373\u9759\u6001\u5e38\u91cf;\u800creadonly\u5219\u662f\u7b2c\u4e8c\u79cd\uff0c\u5373\u52a8\u6001\u5e38\u91cf\u3002\u90a3\u4e48\u533a\u522b\u53ef\u4ee5\u901a\u8fc7\u9759\u6001\u5e38\u91cf\u4e0e\u52a8\u6001\u5e38\u91cf\u7684\u7279\u6027\u6765\u8bf4\u660e\uff1a<\/p>\n\n\n\n

    \n
  • const\u4fee\u9970\u7684\u5e38\u91cf\u5728\u58f0\u660e\u7684\u65f6\u5019\u5fc5\u987b\u521d\u59cb\u5316;readonly\u4fee\u9970\u7684\u5e38\u91cf\u5219\u53ef\u4ee5\u5ef6\u8fdf\u5230\u6784\u9020\u51fd\u6570\u521d\u59cb\u5316<\/strong><\/li>\n\n\n\n
  • const\u4fee\u9970\u7684\u5e38\u91cf\u5728\u7f16\u8bd1\u671f\u95f4\u5c31\u88ab\u89e3\u6790\uff0c\u5373\u5e38\u91cf\u503c\u88ab\u66ff\u6362\u6210\u521d\u59cb\u5316\u7684\u503c;readonly\u4fee\u9970\u7684\u5e38\u91cf\u5219\u5ef6\u8fdf\u5230\u8fd0\u884c\u7684\u65f6\u5019\u3002<\/strong>
    (const\u4fee\u9970\u7684\u5e38\u91cf\u65e0\u6cd5\u5728VS\u4e2d\u6253\u65ad\u70b9\u8c03\u8bd5,\u5b83\u7684\u503c\u5728\u7f16\u8bd1\u671f\u95f4\u5c31\u786e\u5b9a\u4e86\u3002VS\u4e2d\u6253\u65ad\u70b9\u8c03\u8bd5\u662f\u5728\u8fd0\u884c\u671f\u95f4)<\/li>\n\n\n\n
  • \u6b64\u5916const\u5e38\u91cf\u65e2\u53ef\u4ee5\u58f0\u660e\u5728\u7c7b\u4e2d\u4e5f\u53ef\u4ee5\u5728\u51fd\u6570\u4f53\u5185\uff0c\u4f46\u662fstatic readonly\u5e38\u91cf\u53ea\u80fd\u58f0\u660e\u5728\u7c7b\u4e2d\u3002<\/li>\n\n\n\n
  • const\u9ed8\u8ba4\u5c31\u662f\u9759\u6001\u7684\uff0c\u800creadonly\u5982\u679c\u8bbe\u7f6e\u6210\u9759\u6001\u7684\u5c31\u5fc5\u987b\u663e\u793a\u58f0\u660e\u3002<\/strong><\/li>\n\n\n\n
  • const\u4fee\u9970\u7684\u503c\u7684\u7c7b\u578b\u4e5f\u6709\u9650\u5236\uff0c\u5b83\u53ea\u80fd\u4e3a\u4e0b\u5217\u7c7b\u578b\u4e4b\u4e00\uff08\u6216\u80fd\u591f\u8f6c\u6362\u4e3a\u4e0b\u5217\u7c7b\u578b\uff09\uff1asbyte\u3001byte\u3001short\u3001ushort\u3001int\u3001uint\u3001long\u3001ulong\u3001char\u3001float\u3001double\u3001decimal\u3001bool\u3001string\u3001enum\u7c7b\u578b\u6216\u5f15\u7528\u7c7b\u578b\u3002\u6ce8\u610f\u80fd\u591f\u58f0\u660e\u4e3aconst\u7684\u5f15\u7528\u7c7b\u578b\u53ea\u80fd\u4e3astring\u6216\u503c\u4e3anull\u7684\u5176\u4ed6\u5f15\u7528\u7c7b\u578b\u3002readonly\u53ef\u4ee5\u662f\u4efb\u4f55\u7c7b\u578b\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

    const\u4e0ereadonly \u5f88\u50cf\uff0c\u90fd\u662f\u5c06\u53d8\u91cf\u58f0\u660e\u4e3a\u53ea\u8bfb\uff0c\u4e14\u5728\u53d8\u91cf\u521d\u59cb\u5316\u540e\u5c31\u4e0d\u53ef\u6539\u5199\u3002\u90a3\u4e48\u4ed6\u4eec\u6709\u4ec0\u4e48\u4e0d\u540c\uff1f \u8fd9\u548c\u4e24\u4e2a\u6982\u5ff5\u9759\u6001\u5e38\u91cf\u548c …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[21],"tags":[],"class_list":["post-2084","post","type-post","status-publish","format-standard","hentry","category-c-unity"],"_links":{"self":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts\/2084","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/comments?post=2084"}],"version-history":[{"count":0,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/posts\/2084\/revisions"}],"wp:attachment":[{"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/media?parent=2084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/categories?post=2084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/courtship.top\/index.php\/wp-json\/wp\/v2\/tags?post=2084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}