{"id":33250,"date":"2025-04-27T02:53:07","date_gmt":"2025-04-26T18:53:07","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/33250.html"},"modified":"2025-04-27T02:53:07","modified_gmt":"2025-04-26T18:53:07","slug":"%e3%80%90lua%e3%80%91lua-%e5%85%a5%e9%97%a8%e7%9f%a5%e8%af%86%e7%82%b9%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/33250.html","title":{"rendered":"\u3010Lua\u3011Lua \u5165\u95e8\u77e5\u8bc6\u70b9\u603b\u7ed3"},"content":{"rendered":"<h2>Lua \u5165\u95e8\u5b66\u4e60\u7b14\u8bb0<\/h2>\n<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>Lua \u5165\u95e8\u5b66\u4e60\u7b14\u8bb0<\/li>\n<li>\n<ul>\n<li>\n<ul>\n<li>\u4e00\u3001\u7f16\u8bd1\u73af\u5883<\/li>\n<li>\u4e8c\u3001\u53d8\u91cf\u58f0\u660e\u4e0e\u4f5c\u7528\u57df<\/li>\n<li>\u4e09\u3001\u6570\u636e\u7c7b\u578b\u7cfb\u7edf<\/li>\n<li>\n<ul>\n<li>nil \u7c7b\u578b<\/li>\n<li>number \u7c7b\u578b<\/li>\n<li>string \u7c7b\u578b<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u51fd\u6570\u5b9a\u4e49\u4e0e\u4f7f\u7528<\/li>\n<li>\n<ul>\n<li>\u51fd\u6570\u58f0\u660e<\/li>\n<li>\u53c2\u6570\u4e0e\u8fd4\u56de\u503c<\/li>\n<\/ul>\n<\/li>\n<li>\u4e94\u3001\u8868&#xff08;table&#xff09;\u6570\u636e\u7ed3\u6784<\/li>\n<li>\n<ul>\n<li>\u6570\u7ec4\u578b table<\/li>\n<li>\u54c8\u5e0c\u8868\u578b table<\/li>\n<li>\u5168\u5c40\u8868 _G<\/li>\n<\/ul>\n<\/li>\n<li>\u516d\u3001\u63a7\u5236\u7ed3\u6784<\/li>\n<li>\n<ul>\n<li>\u903b\u8f91\u8fd0\u7b97<\/li>\n<li>\u5206\u652f\u5224\u65ad<\/li>\n<li>\u5faa\u73af\u7ed3\u6784<\/li>\n<\/ul>\n<\/li>\n<li>\u4e03\u3001\u5b57\u7b26\u4e32\u9ad8\u7ea7\u7279\u6027<\/li>\n<li>\u516b\u3001\u7c7b\u578b\u8f6c\u6362\u4e0e\u6570\u503c\u8868\u793a<\/li>\n<li>\u4e5d\u3001\u7f16\u7a0b\u5b9e\u8df5\u8981\u70b9<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u672c\u6559\u7a0b\u65e8\u5728\u5e2e\u52a9\u6709\u7f16\u7a0b\u57fa\u7840\u7684\u5b66\u4e60\u8005\u5feb\u901f\u5165\u95e8Lua\u7f16\u7a0b\u8bed\u8a00\u3002\u5305\u62ecLua\u4e2d\u53d8\u91cf\u7684\u58f0\u660e\u4e0e\u4f7f\u7528&#xff0c;\u5305\u62ec\u5168\u5c40\u53d8\u91cf\u548c\u5c40\u90e8\u53d8\u91cf\u7684\u533a\u522b&#xff0c;\u4ee5\u53canil\u7c7b\u578b\u7684\u6982\u5ff5\u3001\u6570\u503c\u578b\u3001\u5b57\u7b26\u4e32\u548c\u51fd\u6570\u7684\u57fa\u672c\u64cd\u4f5c&#xff0c;\u5305\u62ec16\u8fdb\u5236\u8868\u793a\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\u3001\u5b57\u7b26\u4e32\u8fde\u63a5\u3001\u51fd\u6570\u58f0\u660e\u4e0e\u8c03\u7528\u7b49\u3002\u6b64\u5916&#xff0c;\u8fd8\u4ecb\u7ecd\u4e86table\u7c7b\u578b\u53ca\u5176\u6570\u5b57\u4e0b\u6807\u548c\u5b57\u7b26\u4e32\u4e0b\u6807\u7684\u7528\u6cd5&#xff0c;\u5305\u62ec\u6570\u7ec4\u578btable\u7684\u58f0\u660e\u3001\u8d4b\u503c\u3001\u957f\u5ea6\u83b7\u53d6\u4ee5\u53ca\u5143\u7d20\u64cd\u4f5c\u7b49\u3002\u6700\u540e&#xff0c;\u4ecb\u7ecd\u4e86Lua\u4e2d\u7684\u5168\u5c40\u8868\u3001\u771f\u548c\u5047\u7684\u5b9a\u4e49\u3001\u5206\u652f\u5224\u65ad\u8bed\u53e5\u4ee5\u53ca\u4e09\u79cd\u5faa\u73af\u8bed\u53e5&#xff08;for\u5faa\u73af\u3001while\u5faa\u73af&#xff09;<\/p>\n<p>\u5efa\u8bae\u6709\u7f16\u7a0b\u57fa\u7840\u7684\u540c\u5b66\u4f7f\u7528\u8fd9\u7bc7\u6587\u7ae0<\/p>\n<h4>\u4e00\u3001\u7f16\u8bd1\u73af\u5883<\/h4>\n<p>\u5728\u7ebf\u4f53\u9a8cLuatOS<\/p>\n<p>\u5148\u76f4\u63a5\u5199\u4e00\u4e2a\u8f93\u51fa<\/p>\n<p><span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;hello world&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<ul>\n<li>\u662fprint\u4e0d\u662fprintf<\/li>\n<li>\u8bed\u53e5\u540e\u9762\u6ca1\u6709\u5206\u53f7<\/li>\n<\/ul>\n<h4>\u4e8c\u3001\u53d8\u91cf\u58f0\u660e\u4e0e\u4f5c\u7528\u57df<\/h4>\n<ul>\n<li>\n<p>\u9ed8\u8ba4\u5168\u5c40\u53d8\u91cf&#xff1a;Lua \u4e2d\u76f4\u63a5\u8d4b\u503c\u7684\u53d8\u91cf\u9ed8\u8ba4\u662f\u5168\u5c40\u53d8\u91cf&#xff0c;\u8de8\u6587\u4ef6\u53ef\u89c1\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c40\u90e8\u53d8\u91cf&#xff1a;\u4f7f\u7528 local \u5173\u952e\u5b57\u58f0\u660e&#xff0c;\u4f5c\u7528\u57df\u9650\u5b9a\u5728\u5f53\u524d\u4ee3\u7801\u5757\u3001\u51fd\u6570\u6216\u6587\u4ef6\u5185\u3002<\/p>\n<\/li>\n<li>\n<p>\u591a\u53d8\u91cf\u8d4b\u503c&#xff1a;<\/p>\n<p> <span class=\"token keyword\">local<\/span> a <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><br \/>\nb<span class=\"token punctuation\">,<\/span> c <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span>    <span class=\"token comment\">&#8212; \u540c\u65f6\u58f0\u660e b&#061;1, c&#061;2<\/span><br \/>\nd<span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">,<\/span> f <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span> <span class=\"token comment\">&#8212; c \u672a\u88ab\u8d4b\u503c&#xff0c;\u503c\u4e3a nil<\/span><\/p>\n<ul>\n<li>\u89c4\u5219&#xff1a;\n<ul>\n<li>\u5de6\u4fa7\u53d8\u91cf\u6570 &gt; \u53f3\u4fa7\u503c\u65f6&#xff0c;\u591a\u4f59\u53d8\u91cf\u8d4b nil&#xff1b;<\/li>\n<li>\u53f3\u4fa7\u503c\u6570 &gt; \u5de6\u4fa7\u53d8\u91cf\u65f6&#xff0c;\u591a\u4f59\u503c\u88ab\u5ffd\u7565\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>\u4e09\u3001\u6570\u636e\u7c7b\u578b\u7cfb\u7edf<\/h4>\n<h5>nil \u7c7b\u578b<\/h5>\n<ul>\n<li>\n<p>\u8868\u793a\u672a\u521d\u59cb\u5316\u6216\u663e\u5f0f\u8d4b\u7a7a\u503c&#xff1a;\u6ca1\u6709\u521d\u59cb\u5316\u7684\u90fd\u4e3anil<\/p>\n<\/li>\n<li>\n<p>\u76f8\u5f53\u4e8eC\u8bed\u8a00\u4e2d\u7684NULL\u7c7b\u578b<\/p>\n<p> <span class=\"token keyword\">local<\/span> a<br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>undeclared_var<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">&#8212; \u8f93\u51fa nil<\/span>\n <\/li>\n<\/ul>\n<h5>number \u7c7b\u578b<\/h5>\n<p>\u5728c\u8bed\u8a00\u91cc\u9762\u6570\u503c\u6709\u5f88\u591a\u4e2a\u7c7b\u578b&#xff0c;\u6bd4\u5982\u8bf4int chair long float,\u4f46\u662f\u5728lua\u91cc\u9762\u90fd\u7edf\u4e00\u53eb\u505anumber\u6570\u503c\u578b\u3002<\/p>\n<ul>\n<li>\n<p>\u7edf\u4e00\u6570\u503c\u7c7b\u578b&#xff0c;\u652f\u6301\u591a\u79cd\u8868\u793a\u65b9\u5f0f&#xff1a;<\/p>\n<ul>\n<li>\u5341\u8fdb\u5236&#xff1a;123<\/li>\n<li>\u5341\u516d\u8fdb\u5236&#xff1a;0x1F&#xff08;\u5341\u8fdb\u5236 31&#xff09;<\/li>\n<li>\u79d1\u5b66\u8ba1\u6570\u6cd5&#xff1a;2e10&#xff08;\u8868\u793a 20000000000&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fd0\u7b97\u652f\u6301&#xff1a; lua\u4e5f\u662f\u652f\u6301\u52a0\u51cf\u4e58\u9664\u8fd0\u7b97\u7684&#xff0c;\u4ee5\u53ca\u6210\u5e42\u7b26\u53f7&#xff0c;\u5de6\u79fb\u53f3\u79fb<\/p>\n<p> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span> <span class=\"token operator\">^<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span>    <span class=\"token comment\">&#8212; \u5e42\u8fd0\u7b97\u8f93\u51fa 100000<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span>    <span class=\"token comment\">&#8212; \u5de6\u79fb\u8fd0\u7b97\u8f93\u51fa 8<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>    <span class=\"token comment\">&#8212; \u53f3\u79fb\u8fd0\u7b97\u8f93\u51fa 4<\/span>\n <\/li>\n<\/ul>\n<h5>string \u7c7b\u578b<\/h5>\n<p>\u5b57\u7b26\u4e32\u7684\u58f0\u660e\u7684\u8bdd&#xff0c;\u8ddfc\u662f\u5dee\u4e0d\u591a\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u5728lua\u91cc\u7528\u53cc\u5f15\u53f7\u6765\u5708\u4f4f\u4e00\u4e9b\u5b57&#xff0c;\u8868\u793a\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e5f\u53ef\u4ee5\u7528\u5355\u5f15\u53f7\u5708\u51fa\u4e00\u4e2a\u5b57&#xff0c;\u8868\u793a\u5b57\u7b26\u4e32\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u90fd\u662f\u53ef\u4ee5\u7684&#xff0c;\u800c\u4e14\u652f\u6301\u8f6c\u4e49\u5b57\u7b26\u3002<\/p>\n<ul>\n<li>\n<p>\u58f0\u660e\u65b9\u5f0f&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5355\u5f15\u53f7\/\u53cc\u5f15\u53f7&#xff1a;\u652f\u6301\u8f6c\u4e49\u7b26&#xff08;\u5982 \\\\n&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u957f\u5b57\u7b26\u4e32&#xff1a;[[\u591a\u884c\u6587\u672c]]&#xff08;\u4fdd\u7559\u539f\u59cb\u683c\u5f0f&#xff0c;\u4e0d\u8f6c\u4e49&#xff09;<\/p>\n<p> a <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;agcuiogogqWCU&#034;<\/span><br \/>\nb <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;uigdcfuwioge&#039;<\/span><br \/>\nc <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">[[dghoeuivfqwe<br \/>\nqiowhc<\/p>\n<p>1266]]<\/span>\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u64cd\u4f5c&#xff1a;<\/p>\n<p>\u53e6\u5916\u5728lua\u91cc\u9762\u5b57\u7b26\u4e32\u7684\u8fde\u63a5\u7b26\u53f7\u4e0d\u662f\u52a0\u53f7&#xff0c;\u662f\u4e24\u4e2a\u70b9<\/p>\n<p> c <span class=\"token operator\">&#061;<\/span> a<span class=\"token operator\">..<\/span>b                <span class=\"token comment\">&#8212; \u8fde\u63a5\u8fd0\u7b97\u7b26\u662f\u4e24\u4e2a\u70b9<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">#<\/span><span class=\"token string\">&#034;0123456789&#034;<\/span><span class=\"token punctuation\">)<\/span>    <span class=\"token comment\">&#8212; \u4e95\u53f7\u83b7\u53d6\u957f\u5ea6&#xff0c;\u8f93\u51fa 10<\/span>\n <\/li>\n<li>\n<p>\u7c7b\u578b\u8f6c\u6362&#xff1a;<\/p>\n<p> s <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">tostring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span>       <span class=\"token comment\">&#8212; \u8f6c\u5b57\u7b26\u4e32 &#034;10&#034;<\/span><br \/>\nn <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">tonumber<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;10&#034;<\/span><span class=\"token punctuation\">)<\/span>     <span class=\"token comment\">&#8212; \u8f6c\u6570\u503c 10<\/span><br \/>\n<span class=\"token function\">tonumber<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;abc&#034;<\/span><span class=\"token punctuation\">)<\/span>        <span class=\"token comment\">&#8212; \u8f6c\u6362\u5931\u8d25\u8fd4\u56de nil<\/span>\n <\/li>\n<li>\n<p>\u663e\u793a\u5b57\u7b26\u4e32\u957f\u5ea6&#xff1a;<\/p>\n<p> a <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;agcuiogogqWCU&#034;<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">#<\/span>a<span class=\"token punctuation\">)<\/span>    <span class=\"token comment\">&#8211;\u5728\u6253\u5370\u7684\u524d\u9762\u52a0\u4e0a&#039;#&#039;\u5c31\u53ef\u4ee5\u663e\u793a\u8fd9\u4e2a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6<\/span>\n <\/li>\n<\/ul>\n<h4>\u56db\u3001\u51fd\u6570\u5b9a\u4e49\u4e0e\u4f7f\u7528<\/h4>\n<h5>\u51fd\u6570\u58f0\u660e<\/h5>\n<ul>\n<li>\n<p>\u4e00\u822c\u7684\u58f0\u660e\u65b9\u5f0f&#xff1a;<\/p>\n<p> <span class=\"token keyword\">function<\/span> <span class=\"token function\">function_name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">&#8230;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">&#8230;<\/span><span class=\"token comment\">&#8212; body<\/span><br \/>\n<span class=\"token keyword\">end<\/span>\n <\/li>\n<li>\n<p>\u4e24\u79cd\u7b49\u6548\u65b9\u5f0f&#xff1a;<\/p>\n<p> <span class=\"token keyword\">function<\/span> <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">end<\/span><br \/>\nf <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">end<\/span>\n <\/li>\n<\/ul>\n<h5>\u53c2\u6570\u4e0e\u8fd4\u56de\u503c<\/h5>\n<ul>\n<li>\n<p>\u53c2\u6570\u5904\u7406&#xff1a;<\/p>\n<ul>\n<li>\u53c2\u6570\u4e0d\u8db3\u65f6\u81ea\u52a8\u8865 nil&#xff0c;\u591a\u4f59\u53c2\u6570\u88ab\u5ffd\u7565\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u591a\u8fd4\u56de\u503c&#xff1a; \u6211\u4eec\u53ef\u4ee5\u5728\u51fd\u6570\u91cc\u4e3b\u52a8\u8fd4\u56de\u4e00\u4e9b\u503c&#xff0c;\u5e76\u4e14\u53ef\u4ee5\u8fd4\u56de\u591a\u4e2a\u503c<\/p>\n<p> <span class=\"token keyword\">function<\/span> <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span> <span class=\"token keyword\">end<\/span><br \/>\ni<span class=\"token punctuation\">,<\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">&#8212; i&#061;1, j&#061;2<\/span>\n <\/li>\n<li>\n<p>\u9ed8\u8ba4\u8fd4\u56de\u503c&#xff1a;\u65e0 return \u65f6\u8fd4\u56de nil\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>\u4e94\u3001\u8868&#xff08;table&#xff09;\u6570\u636e\u7ed3\u6784<\/h4>\n<h5>\u6570\u7ec4\u578b table<\/h5>\n<ul>\n<li>\n<p>\u8bed\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u7528\u5927\u62ec\u53f7\u5c06\u6210\u5458\u62ec\u8d77\u6765 \u2018{ }\u2019<\/p>\n<\/li>\n<li>\n<p>\u7528\u8d4b\u503c \u2018&#061;\u2019 \u8d4b\u503c\u7ed9\u53d8\u91cf<\/p>\n<\/li>\n<li>\n<p>\u7528\u9017\u53f7\u5c06\u6210\u5458\u5206\u5f00 \u2018,\u2019<\/p>\n<p> arr <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">}<\/span>\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6838\u5fc3\u7279\u6027&#xff1a;<\/p>\n<ul>\n<li>\u4e0b\u6807\u4ece 1 \u5f00\u59cb&#xff0c;\u652f\u6301\u6df7\u5408\u7c7b\u578b\u5143\u7d20&#xff08;\u4e5f\u5c31\u662f\u8bf4\u53ef\u4ee5\u5b58\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u51fd\u6570\u3001\u5176\u4ed6\u7684table&#xff0c;\u4f46\u8981\u6ce8\u610f\u7528 \u2018,\u2019 \u9694\u5f00&#xff09;\u3002<\/li>\n<li>\u672a\u5b9a\u4e49\u5143\u7d20\u503c\u4e3a nil\u3002<\/li>\n<li>\u52a8\u6001\u6269\u5c55\u2014\u2014\u5bf9\u4e8etable\u4e2d\u6ca1\u6709\u5b9a\u4e49\u7684\u4f4d\u7f6e\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c<\/li>\n<li>\u81ea\u5e26\u7684\u63a5\u53e3\n<ul>\n<li>insert(\u3010table\u3011,\u3010\u4f4d\u7f6e\u3011,\u3010\u503c\u3011)<\/li>\n<li>remove(\u3010table\u3011,\u3010\u4f4d\u7f6e\u3011) \u2014\u2014\u6709\u8fd4\u56de\u503c&#xff0c;\u8fd4\u56de\u88ab\u79fb\u9664\u7684\u5143\u7d20<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u64cd\u4f5c\u793a\u4f8b&#xff1a;<\/p>\n<p> arr <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;two&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>subtable <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">true<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>arr<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>           <span class=\"token comment\">&#8212; \u8f93\u51fa nil<\/span><br \/>\narr<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;new&#034;<\/span>          <span class=\"token comment\">&#8212; \u52a8\u6001\u6269\u5c55<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">#<\/span>arr<span class=\"token punctuation\">)<\/span>             <span class=\"token comment\">&#8212; \u83b7\u53d6\u957f\u5ea6 5<\/span><br \/>\ntable<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>arr<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;d&#034;<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">&#8212; \u63d2\u5165\u5143\u7d20<\/span><br \/>\nremoved <span class=\"token operator\">&#061;<\/span> table<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>arr<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">&#8212; \u79fb\u9664\u5143\u7d20\u5e76\u8fd4\u56de &#034;d&#034;<\/span>\n <\/li>\n<\/ul>\n<h5>\u54c8\u5e0c\u8868\u578b table<\/h5>\n<ul>\n<li>\n<p>\u5b57\u7b26\u4e32\u4e0b\u6807&#xff1a;<\/p>\n<p> tbl <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    key1 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    c <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token comment\">&#8211;&#8230;..<\/span><br \/>\n    <span class=\"token keyword\">end<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;\u7279\u6b8a\u7b26\u53f7&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">123<\/span> <span class=\"token comment\">&#8211;\u6ce8\u610f\u4e2d\u62ec\u53f7\u4ee5\u53ca&#034;&#034;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\ntbl<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;abc&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;abc&#034;<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>tbl<span class=\"token punctuation\">.<\/span>key1<span class=\"token punctuation\">)<\/span>            <span class=\"token comment\">&#8212; \u8f93\u51fa 1(\u8fd9\u79cd\u8f93\u51fa\u65b9\u5f0f\u9700\u8981\u5b57\u7b26\u4e32\u4e0b\u6807\u7b26\u5408\u53d8\u91cf\u547d\u540d\u89c4\u8303)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>tbl<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;\u7279\u6b8a\u7b26\u53f7&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>    <span class=\"token comment\">&#8212; \u8f93\u51fa 123&#xff08;\u6ce8\u610f\u662f\u5b57\u7b26\u4e32&#xff0c;\u5e26\u6709&#034;&#034;&#xff09;<\/span>\n <\/li>\n<li>\n<p>\u672a\u58f0\u660e\u952e\u503c\u8fd4\u56de nil&#xff0c;\u652f\u6301\u52a8\u6001\u6dfb\u52a0\u952e\u503c\u5bf9\u3002<\/p>\n<\/li>\n<\/ul>\n<h5>\u5168\u5c40\u8868 _G<\/h5>\n<ul>\n<li>\n<p>\u5b58\u50a8\u6240\u6709\u5168\u5c40\u53d8\u91cf&#xff1a;<\/p>\n<p> a <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>_G<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;a&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>_G<span class=\"token punctuation\">.<\/span>a<span class=\"token punctuation\">)<\/span>            <span class=\"token comment\">&#8212; \u8f93\u51fa 1<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>_G<span class=\"token punctuation\">.<\/span>table<span class=\"token punctuation\">.<\/span>insert<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">&#8212; \u8f93\u51fa\u51fd\u6570\u5730\u5740<\/span>\n <\/li>\n<li>\n<p>\u5b9e\u9645\u4e0atable\u4e5f\u662f\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf&#xff0c;table\u8fd9\u4e2a\u5168\u5c40\u53d8\u91cf\u5b83\u7684\u7c7b\u578b\u5c31\u662ftable,\u5b83\u6709\u4e00\u4e2a\u4e0b\u6807\u53eb\u505ainsert,\u540c\u65f6table, \u5b83\u56e0\u4e3a\u662f\u5168\u5c40\u53d8\u91cf&#xff0c;\u6240\u4ee5\u5b83\u4e5f\u5728\u4e0b\u5212\u7ebfg\u5168\u5c40\u8868\u91cc\u9762&#xff0c;\u5c31\u50cf\u8fd9\u6837&#xff0c;\u6211\u4eec\u6253\u5370\u51fa\u6765\u53d1\u73b0\u5b83\u662f\u4e00\u4e2atable,\u800c\u4e14\u5462&#xff0c;\u56e0\u4e3a\u4ed6\u4e5f\u662f\u4e00\u4e2atable.<\/p>\n<\/li>\n<\/ul>\n<p><span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>_G<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;table&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;insert&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u516d\u3001\u63a7\u5236\u7ed3\u6784<\/h4>\n<h5>\u903b\u8f91\u8fd0\u7b97<\/h5>\n<ul>\n<li>\n<p>\u771f\u5047\u89c4\u5219&#xff1a;\u4ec5 false \u548c nil \u4e3a\u5047&#xff0c;\u5176\u4ed6\u503c&#xff08;\u5305\u62ec 0&#xff09;\u4e3a\u771f\u3002<\/p>\n<p> a <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">true<\/span><br \/>\nb <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">false<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">~&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;\u5728lua\u4e2d\u4e0d\u7b49\u4e8e\u662f\u7528 &#034; ~&#061;&#034; \u8868\u793a\u7684&#xff0c;\u4e0d\u662f\u7528 \u201c!&#061;\u201d \u8868\u793a\u7684<\/p>\n<p>\u77ed\u8def\u6c42\u503c&#xff1a;<\/p>\n<p> <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nil<\/span> <span class=\"token keyword\">or<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span>       <span class=\"token comment\">&#8212; \u8f93\u51fa 0&#xff08;\u8fd4\u56de\u7b2c\u4e00\u4e2a\u771f\u503c&#xff09;<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">true<\/span> <span class=\"token keyword\">and<\/span> <span class=\"token string\">&#034;yes&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">&#8212; \u8f93\u51fa &#034;yes&#034;&#xff08;\u8fd4\u56de\u7b2c\u4e8c\u4e2a\u64cd\u4f5c\u6570&#xff09;<\/span>\n <\/li>\n<li>\n<p>and(\u4e0e) or(\u6216) \u548c not(\u975e)<\/p>\n<p> a <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">true<\/span><br \/>\nb <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">false<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>a <span class=\"token keyword\">and<\/span> b<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>a <span class=\"token keyword\">or<\/span> b<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">not<\/span> a<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5728lua\u91cc\u6709\u4e2a\u7279\u6b8a\u7684\u89c4\u5b9a&#xff0c;\u5728lua\u91cc\u9762\u53ea\u6709false\u548cnil\u4ee3\u8868\u5047&#xff0c;\u5176\u4ed6\u90fd\u662f\u771fc\u8bed\u8a00\u91cc\u9762\u96f6\u4e5f\u4ee3\u8868\u5047&#xff0c;\u4f46\u662f\u5728lua\u91cc\u9762\u6570\u5b570\u662f\u4ee3\u8868\u771f\u7684&#xff0c;\u56e0\u4e3a\u4ed6\u4e0d\u662fnil\u6216\u8005false<\/p>\n<\/li>\n<li>\n<p>Lua\u91cc\u9762\u7684end or\u548cnot\u8fd4\u56de\u7684\u5e76\u4e0d\u662f\u5b8c\u5168\u662ffalse\u548ctrue, lua\u91cc\u4f1a\u76f4\u63a5\u8fd4\u56dea\u6216\u8005b\u7684\u503c<\/p>\n<\/li>\n<li>\n<p>\u6211\u4eec\u53ef\u4ee5\u7528and\u548cor\u6765\u5b9e\u73b0\u77ed\u8def\u6c42\u503c<\/p>\n<p> a <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nil<\/span><br \/>\nb <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>a <span class=\"token keyword\">and<\/span> b<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>a <span class=\"token keyword\">or<\/span> b<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">not<\/span> a<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u8fd0\u884c\u7ed3\u679c&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250426185306-680d2b929aa01.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>\u5206\u652f\u5224\u65ad<\/h5>\n<ul>\n<li>\n<p>\u8bed\u6cd5&#xff1a;<\/p>\n<p> <span class=\"token keyword\">if<\/span> \u3010condition\u3011 <span class=\"token keyword\">then<\/span><br \/>\n  <span class=\"token comment\">&#8212; code<\/span><br \/>\n<span class=\"token keyword\">elseif<\/span> \u3010condition2\u3011 <span class=\"token keyword\">then<\/span><br \/>\n  <span class=\"token comment\">&#8212; code<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n  <span class=\"token comment\">&#8212; code<\/span><br \/>\n<span class=\"token keyword\">end<\/span>\n <\/li>\n<li>\n<p>\u6ce8\u610f&#xff1a;<\/p>\n<ul>\n<li>elseif\u4e2d\u95f4\u6ca1\u6709\u7a7a\u683c<\/li>\n<li>\u6761\u4ef6\u540e\u9762\u6709then<\/li>\n<li>\u5c31\u50cf\u4e0a\u9762\u63d0\u5230\u76840\u4e5f\u662f\u4ee3\u8868\u771f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>\u5faa\u73af\u7ed3\u6784<\/h5>\n<ul>\n<li>\n<p>for \u5faa\u73af&#xff1a;<\/p>\n<p> <span class=\"token keyword\">for<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10<\/span> <span class=\"token keyword\">do<\/span>  <span class=\"token comment\">&#8212; \u5012\u5e8f\u5faa\u73af<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> i <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">5<\/span> <span class=\"token keyword\">then<\/span> <span class=\"token keyword\">break<\/span> <span class=\"token keyword\">end<\/span><br \/>\n<span class=\"token keyword\">end<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5faa\u73af\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53d8\u91cf&#xff0c;\u7136\u540e\u7ed9\u53d8\u91cf\u4e00\u4e2a\u521d\u503c&#xff0c;\u518d\u7ed9\u53d8\u91cf\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u675f\u503c&#xff0c;\u4e0b\u9762\u662f\u6267\u884c\u7684\u4ee3\u7801\u5757&#xff0c;\u8fd9\u4e2a\u53d8\u91cf\u662f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7684\u3002\u5f53\u7136\u8fd9\u4e2a\u53d8\u91cf\u51fa\u4e86\u8fd9\u4e2a\u4ee3\u7801\u5757\u4e4b\u540e&#xff0c;\u5c31\u6ca1\u6709\u610f\u4e49\u4e86\u3002<\/p>\n<\/li>\n<li>\n<p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u518d\u52a0\u4e00\u4e2a\u53c2\u6570&#xff0c;\u8fd9\u4e2a\u53c2\u6570\u53eb\u505a\u6b65\u957f&#xff0c;\u5c31\u662f\u6bcf\u4e00\u6b21\u5faa\u73af\u521d\u503ci\u7684\u53d8\u5316\u7684\u503c<\/p>\n<\/li>\n<li>\n<p>\u5faa\u73af\u91cc\u9762i\u5728\u8fd0\u884c\u56fe\u4e2d\u662f\u4e0d\u80fd\u624b\u52a8\u66f4\u6539\u7684\u3002\u5982\u679c\u4f60\u4fee\u6539\u4e86&#xff0c;\u4ed6\u4f1a\u9ed8\u8ba4\u6084\u6084\u7ed9\u4f60\u5728\u8fd9\u8fb9\u65b0\u5efa\u4e00\u4e2a\u53d8\u91cf&#xff0c;\u5b83\u65b0\u5efa\u4e86\u4e00\u4e2a\u4e34\u65f6\u53d8\u91cf&#xff0c;\u53eb\u505ai,\u4f60\u540e\u9762\u8c03\u7528\u7684\u65f6\u5019\u4f1a\u7528\u5230i,\u8fd9\u4e00\u70b9\u548cc\u4e0d\u592a\u4e00\u6837&#xff0c;\u5b83\u7684\u5faa\u73af\u662f\u4e0d\u80fd\u66f4\u6539\u7684\u3002<\/p>\n<p> <span class=\"token keyword\">for<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span> <span class=\"token keyword\">do<\/span>  <span class=\"token comment\">&#8212; \u5012\u5e8f\u5faa\u73af<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> i <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">5<\/span> <span class=\"token keyword\">then<\/span> <span class=\"token keyword\">break<\/span> <span class=\"token keyword\">end<\/span><br \/>\n<span class=\"token keyword\">end<\/span><br \/>\n <span class=\"token keyword\">for<\/span> i<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span>i<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span> <span class=\"token keyword\">do<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">local<\/span> i<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span>  <span class=\"token comment\">&#8212; \u65b0\u5efa\u4e00\u4e2a\u4e34\u65f6\u53d8\u91cf<\/span><br \/>\n<span class=\"token comment\">&#8211;&#8230;.<\/span><br \/>\n<span class=\"token keyword\">end<\/span>\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>while \u5faa\u73af&#xff1a;<\/p>\n<p> n <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span><br \/>\n<span class=\"token keyword\">while<\/span> n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">1<\/span> <span class=\"token keyword\">do<\/span><br \/>\n  n <span class=\"token operator\">&#061;<\/span> n <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span>  <span class=\"token comment\">&#8212; \u5fc5\u987b\u663e\u5f0f\u4fee\u6539\u5faa\u73af\u53d8\u91cf<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">5<\/span> <span class=\"token keyword\">then<\/span> <span class=\"token keyword\">break<\/span> <span class=\"token keyword\">end<\/span><br \/>\n<span class=\"token keyword\">end<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;lua\u4e0d\u652f\u6301\u81ea\u51cf\u64cd\u4f5c\u5982n&#8211;\u3001n -&#061; 1\u8fd9\u4e9b<\/p>\n<\/li>\n<\/ul>\n<h4>\u4e03\u3001\u5b57\u7b26\u4e32\u9ad8\u7ea7\u7279\u6027<\/h4>\n<ul>\n<li>\n<p>\u4e8c\u8fdb\u5236\u5b89\u5168&#xff1a;\u652f\u6301\u5b58\u50a8\u7a7a\u5b57\u7b26&#xff08;0x00&#xff09;&#xff1a;<\/p>\n<p> s <span class=\"token operator\">&#061;<\/span> string<span class=\"token punctuation\">.<\/span><span class=\"token function\">char<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0x30<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0x31<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0x32<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0x33<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">#<\/span>s<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">&#8212; \u8f93\u51fa 5&#xff08;\u5305\u542b\u7a7a\u5b57\u7b26&#xff09;<\/span>\n <\/li>\n<li>\n<p>\u7d22\u5f15\u4ece 1 \u5f00\u59cb&#xff1a;<\/p>\n<p> second <span class=\"token operator\">&#061;<\/span> string<span class=\"token punctuation\">.<\/span><span class=\"token function\">sub<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>string<span class=\"token punctuation\">.<\/span><span class=\"token function\">byte<\/span><span class=\"token punctuation\">(<\/span>second<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">&#8212; \u8f93\u51fa 49&#xff08;ASCII \u7801\u503c&#xff09;<\/span>\n <\/li>\n<\/ul>\n<h4>\u516b\u3001\u7c7b\u578b\u8f6c\u6362\u4e0e\u6570\u503c\u8868\u793a<\/h4>\n<table>\n<tr>\u64cd\u4f5c\u6210\u529f\u8fd4\u56de\u503c\u5931\u8d25\u8fd4\u56de\u503c<\/tr>\n<tbody>\n<tr>\n<td>tonumber(&#034;123&#034;)<\/td>\n<td>123<\/td>\n<td>nil<\/td>\n<\/tr>\n<tr>\n<td>tonumber(&#034;0x1F&#034;)<\/td>\n<td>31<\/td>\n<td>nil<\/td>\n<\/tr>\n<tr>\n<td>tostring(123)<\/td>\n<td>\u201c123\u201d<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>tostring(nil)<\/td>\n<td>\u201cnil\u201d<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u4e5d\u3001\u7f16\u7a0b\u5b9e\u8df5\u8981\u70b9<\/h4>\n<li>\u53d8\u91cf\u4f5c\u7528\u57df&#xff1a;\u4f18\u5148\u4f7f\u7528 local \u58f0\u660e\u5c40\u90e8\u53d8\u91cf\u3002<\/li>\n<li>\u8868\u64cd\u4f5c&#xff1a;\u6ce8\u610f\u6570\u7ec4\u4e0b\u6807\u4ece 1 \u5f00\u59cb&#xff0c;# \u4ec5\u7edf\u8ba1\u8fde\u7eed\u6570\u5b57\u4e0b\u6807\u957f\u5ea6\u3002<\/li>\n<li>\u5b57\u7b26\u4e32\u5904\u7406&#xff1a;\u4f7f\u7528 .. \u8fde\u63a5&#xff0c;# \u83b7\u53d6\u5b57\u8282\u957f\u5ea6\u3002<\/li>\n<li>\u51fd\u6570\u8bbe\u8ba1&#xff1a;\u652f\u6301\u591a\u8fd4\u56de\u503c&#xff0c;\u53c2\u6570\u4e0d\u8db3\u81ea\u52a8\u8865 nil\u3002<\/li>\n<li>\u5168\u5c40\u53d8\u91cf\u7ba1\u7406&#xff1a;\u901a\u8fc7 _G \u8868\u8bbf\u95ee&#xff0c;\u907f\u514d\u6c61\u67d3\u5168\u5c40\u547d\u540d\u7a7a\u95f4\u3002<\/li>\n<p>\u8fdb\u4e00\u6b65\u5b66\u4e60\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u53c2\u8003 Lua 5.3 \u5b98\u65b9\u624b\u518c<\/li>\n<li>\u641c\u7d22 \u201cLua 5.3 \u53c2\u8003\u624b\u518c\u201d \u67e5\u770b\u5b8c\u6574\u51fd\u6570\u5e93&#xff08;\u5982\u6570\u5b66\u5e93\u3001\u534f\u7a0b\u7b49&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u540e\u9762\u6211\u4f1a\u6574\u7406\u8fdb\u9636\u90e8\u5206\u7684\u7b14\u8bb0&#xff0c;\u4e4b\u540e\u4f1a\u628a\u7b14\u8bb0\u94fe\u63a5\u7c98\u8d34\u5230\u8fd9\u91cc\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb821\u6b21\uff0c\u70b9\u8d5e16\u6b21\uff0c\u6536\u85cf16\u6b21\u3002\u672c\u6559\u7a0b\u65e8\u5728\u5e2e\u52a9\u6709\u7f16\u7a0b\u57fa\u7840\u7684\u5b66\u4e60\u8005\u5feb\u901f\u5165\u95e8Lua\u7f16\u7a0b\u8bed\u8a00\u3002\u5305\u62ecLua\u4e2d\u53d8\u91cf\u7684\u58f0\u660e\u4e0e\u4f7f\u7528\uff0c\u5305\u62ec\u5168\u5c40\u53d8\u91cf\u548c\u5c40\u90e8\u53d8\u91cf\u7684\u533a\u522b\uff0c\u4ee5\u53canil\u7c7b\u578b\u7684\u6982\u5ff5\u3001\u6570\u503c\u578b\u3001\u5b57\u7b26\u4e32\u548c\u51fd\u6570\u7684\u57fa\u672c\u64cd\u4f5c\uff0c\u5305\u62ec16\u8fdb\u5236\u8868\u793a\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\u3001\u5b57\u7b26\u4e32\u8fde\u63a5\u3001\u51fd\u6570\u58f0\u660e\u4e0e\u8c03\u7528\u7b49\u3002\u6b64\u5916\uff0c\u8fd8\u4ecb\u7ecd\u4e86table\u7c7b\u578b\u53ca\u5176\u6570\u5b57\u4e0b\u6807\u548c\u5b57\u7b26\u4e32\u4e0b\u6807\u7684\u7528\u6cd5\uff0c\u5305\u62ec\u6570\u7ec4\u578btable\u7684\u58f0\u660e\u3001\u8d4b\u503c\u3001\u957f\u5ea6\u83b7\u53d6\u4ee5\u53ca\u5143\u7d20\u64cd\u4f5c\u7b49\u3002\u6700\u540e\uff0c\u4ecb\u7ecd\u4e86Lua\u4e2d\u7684\u5168\u5c40\u8868\u3001\u771f\u548c\u5047\u7684\u5b9a\u4e49\u3001\u5206\u652f\u5224\u65ad\u8bed\u53e5\u4ee5\u53ca\u4e09\u79cd\u5faa\u73af\u8bed\u53e5\uff08for\u5faa\u73af\u3001while\u5faa\u73af\uff09\u5efa\u8bae\u6709\u7f16\u7a0b\u57fa\u7840\u7684\u540c\u5b66\u4f7f\u7528\u8fd9\u7bc7\u6587\u7ae0\u5728\u7ebf\u4f53\u9a8cLuatOS\u5148\u76f4\u63a5\u5199<\/p>\n","protected":false},"author":2,"featured_media":33249,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1463,190],"topic":[],"class_list":["post-33250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-lua","tag-190"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Lua\u3011Lua \u5165\u95e8\u77e5\u8bc6\u70b9\u603b\u7ed3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/33250.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Lua\u3011Lua \u5165\u95e8\u77e5\u8bc6\u70b9\u603b\u7ed3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb821\u6b21\uff0c\u70b9\u8d5e16\u6b21\uff0c\u6536\u85cf16\u6b21\u3002\u672c\u6559\u7a0b\u65e8\u5728\u5e2e\u52a9\u6709\u7f16\u7a0b\u57fa\u7840\u7684\u5b66\u4e60\u8005\u5feb\u901f\u5165\u95e8Lua\u7f16\u7a0b\u8bed\u8a00\u3002\u5305\u62ecLua\u4e2d\u53d8\u91cf\u7684\u58f0\u660e\u4e0e\u4f7f\u7528\uff0c\u5305\u62ec\u5168\u5c40\u53d8\u91cf\u548c\u5c40\u90e8\u53d8\u91cf\u7684\u533a\u522b\uff0c\u4ee5\u53canil\u7c7b\u578b\u7684\u6982\u5ff5\u3001\u6570\u503c\u578b\u3001\u5b57\u7b26\u4e32\u548c\u51fd\u6570\u7684\u57fa\u672c\u64cd\u4f5c\uff0c\u5305\u62ec16\u8fdb\u5236\u8868\u793a\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\u3001\u5b57\u7b26\u4e32\u8fde\u63a5\u3001\u51fd\u6570\u58f0\u660e\u4e0e\u8c03\u7528\u7b49\u3002\u6b64\u5916\uff0c\u8fd8\u4ecb\u7ecd\u4e86table\u7c7b\u578b\u53ca\u5176\u6570\u5b57\u4e0b\u6807\u548c\u5b57\u7b26\u4e32\u4e0b\u6807\u7684\u7528\u6cd5\uff0c\u5305\u62ec\u6570\u7ec4\u578btable\u7684\u58f0\u660e\u3001\u8d4b\u503c\u3001\u957f\u5ea6\u83b7\u53d6\u4ee5\u53ca\u5143\u7d20\u64cd\u4f5c\u7b49\u3002\u6700\u540e\uff0c\u4ecb\u7ecd\u4e86Lua\u4e2d\u7684\u5168\u5c40\u8868\u3001\u771f\u548c\u5047\u7684\u5b9a\u4e49\u3001\u5206\u652f\u5224\u65ad\u8bed\u53e5\u4ee5\u53ca\u4e09\u79cd\u5faa\u73af\u8bed\u53e5\uff08for\u5faa\u73af\u3001while\u5faa\u73af\uff09\u5efa\u8bae\u6709\u7f16\u7a0b\u57fa\u7840\u7684\u540c\u5b66\u4f7f\u7528\u8fd9\u7bc7\u6587\u7ae0\u5728\u7ebf\u4f53\u9a8cLuatOS\u5148\u76f4\u63a5\u5199\" 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