{"id":679,"date":"2023-11-30T09:01:01","date_gmt":"2023-11-30T01:01:01","guid":{"rendered":""},"modified":"2023-11-30T09:01:01","modified_gmt":"2023-11-30T01:01:01","slug":"Lua\u2014String\u62fc\u63a5\u51e0\u79cd\u65b9\u5f0f\u53ca\u76f8\u5e94\u6027\u80fd\u6743\u8861","status":"publish","type":"post","link":"https:\/\/mushiming.com\/679.html","title":{"rendered":"Lua\u2014String\u62fc\u63a5\u51e0\u79cd\u65b9\u5f0f\u53ca\u76f8\u5e94\u6027\u80fd\u6743\u8861"},"content":{"rendered":"<h2 data-id=\"heading-0\">1.\u53ef\u4ee5\u4f7f\u7528\u8fde\u63a5\u64cd\u4f5c\u7b26..\u6765\u8fdb\u884c\u5b57\u7b26\u4e32\u8fde\u63a5\u3002<\/h2>\n<ul>\n<li>\u5982\u679c\u64cd\u4f5c\u6570\u4e2d\u5b58\u5728\u6570\u503c\uff0c\u90a3\u4e48lua\u8bed\u8a00\u4f1a\u5148\u628a\u6570\u503c\u8f6c\u6362\u6210\u5b57\u7b26\u4e32 \u3002<\/li>\n<\/ul>\n<p><code>\"Hello\" .. \"World\"&nbsp; &nbsp;--&gt;&nbsp; Hello World<\/code><\/p>\n<p><code>\"result is\" .. 3&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; --&gt;&nbsp; result is 3<\/code><\/p>\n<ul>\n<li>\u5728\u67d0\u4e9b\u8bed\u8a00\u4e2d\uff0c\u5b57\u7b26\u4e32\u8fde\u63a5\u4f7f\u7528\u7684\u662f\u52a0\u53f7\uff0c\u4f46\u5b9e\u9645\u4e0alua\u4e2d\uff0c3+5\u548c3..5\u662f\u4e0d\u4e00\u6837\u7684\u3002<\/li>\n<\/ul>\n<p><code>print(3 + 5)&nbsp; &nbsp;--&gt;&nbsp; 8<\/code><\/p>\n<p><code>print(3 .. 5)&nbsp; &nbsp;--&gt;&nbsp; &nbsp;35<\/code><\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528\u9650\u5236\uff1a<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5\u7684\u5143\u7d20\u53ea\u80fd\u662f\u6570\u5b57\u6216\u5b57\u7b26\u4e32<\/p>\n<\/li>\n<li>\n<p>\u5728\u8fde\u63a5\u6570\u5b57\u65f6\uff0c\u4e0e\u6570\u5b57\u4e2d\u95f4\u4e00\u5b9a\u8981\u6709\u7a7a\u683c\uff0c\u4e0d\u7136\u4f1a\u62a5\u9519\u3002\u5728\u4e66\u5199\u65f6\uff0c\u6700\u597d\u4fdd\u8bc1\u65e0\u8bba\u8fde\u63a5\u4ec0\u4e48\u7c7b\u578b\uff0c..\u5de6\u53f3\u90fd\u6709\u7a7a\u683c\u3002<\/p>\n<\/li>\n<\/ul>\n<p><code>print(3..5)&nbsp; &nbsp; --&gt;&nbsp; script.lua:2: malformed number near '3..'<\/code><\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"hljs language-lua\" lang=\"lua\"><span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-number\">3<\/span> .. {})  <span class=\"hljs-comment\">--&gt; script.lua:2: attempt to concatenate a table value<\/span>\nstack <span class=\"hljs-built_in\">traceback<\/span>:\n\tscript.lua:<span class=\"hljs-number\">2<\/span>: <span class=\"hljs-keyword\">in<\/span> main chunk\n\t[C]: <span class=\"hljs-keyword\">in<\/span> ?\n\nExited with <span class=\"hljs-built_in\">error<\/span> <span class=\"hljs-built_in\">status<\/span> <span class=\"hljs-number\">1<\/span>\n<\/code><\/pre>\n<ul>\n<li>\u6027\u80fd\u5206\u6790\uff1a<\/li>\n<\/ul>\n<p>\u4f7f\u7528\u8fd0\u7b97\u7b26..\uff0c\u6bcf\u6b21\u62fc\u63a5\u90fd\u9700\u8981\u7533\u8bf7\u65b0\u7684\u7a7a\u95f4\uff0c\u65e7\u7684 result \u5bf9\u5e94\u7684\u7a7a\u95f4\u4f1a\u5728\u67d0\u65f6\u523b\u88abLua\u7684\u5783\u573e\u56de\u6536\u671fGC\uff0c\u4e14\u968f\u7740result\u4e0d\u65ad\u589e\u957f\uff0c\u8d8a\u5f80\u540e\u4f1a\u5f00\u8f9f\u66f4\u591a\u65b0\u7684\u7a7a\u95f4\uff0c\u5e76\u8fdb\u884c\u62f7\u8d1d\u64cd\u4f5c\uff0c\u4ea7\u751f\u66f4\u591a\u9700\u8981\u88abGC\u7684\u7a7a\u95f4\uff0c\u6240\u4ee5\u6027\u80fd\u964d\u4f4e\u3002&nbsp;<\/p>\n<h2 data-id=\"heading-1\">2.\u4f7f\u7528 table.concat () \u51fd\u6570\u6765\u8fdb\u884c\u5b57\u7b26\u4e32\u8fde\u63a5\u3002<\/h2>\n<ul>\n<li>\n<p>&nbsp;table.concat(table, sep, start, end)\u51fd\u6570\u5217\u51fatable\u6570\u7ec4\u90e8\u5206\u4ecestart\u4f4d\u7f6e\u5230end\u4f4d\u7f6e\u7684\u6240\u6709\u5143\u7d20\uff0c\u5143\u7d20\u4e4b\u95f4\u4ee5\u5206\u9694\u7b26sep\u9694\u5f00\u3002&nbsp;<\/p>\n<p>fruits = {\u201cbanana\u201d, \u201corange\u201d, \u201capple\u201d}<br \/> print(table.concat(fruits)) --&gt; bananaorangerapple<br \/> print(table.concat(fruits,\u201d,\u201d)) --&gt; banana,orange,apple print(table.concat(fruits, \u201d,\u201d, 2, 3)) --&gt; orange, apple<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u9650\u5236\uff1a<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5\u5143\u7d20\u5fc5\u987b\u662f\u5b57\u7b26\u4e32\u6216\u6570\u5b57\u3002<\/p>\n<\/li>\n<li>\n<p>\u5fc5\u987b\u5148\u628a\u6240\u6709\u5f85\u62fc\u63a5\u5143\u7d20\u653e\u5165\u4e00\u4e2atable\u91cc\u9762\uff0c\u4f7f\u7528\u8d77\u6765\u53ef\u80fd\u4e0d\u592a\u65b9\u4fbf<\/p>\n<\/li>\n<li>\n<p>\u6e90\u7801\uff1a<\/p>\n<\/li>\n<li>\n<p>concat\u5185\u90e8\u5b9e\u73b0\u51fd\u6570\u662ftocancat\uff0c\u5982\u4e0b\uff1a<\/p>\n<p>static const lua_Reg tab_funcs[] = { {\"concat\", tconcat}, ... }<\/p>\n<\/li>\n<li>\n<p>\u4e0b\u9762\u7b80\u5355\u89e3\u91ca\u4e00\u4e0btoconcat\u51fd\u6570<\/p>\n<p>static int tconcat (lua_State *L) { \/\/ table.concat\u7684\u53c2\u6570\u90fd\u5b58\u653e\u5728\u6808\u4e0a\uff0c\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u4e3a\uff1a \/\/ \u68081\u53f7\u4f4d\u5b58\u7684\u662ftable \/\/ \u68082\u53f7\u4f4d\u5b58\u7684\u662fsep \/\/ \u68083\u30014\u53f7\u4f4d\u5b58\u7684\u662f\u8d77\u59cb(start)\u548c\u7ed3\u675f(end)\u7684\u4f4d\u7f6e<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"hljs language-scss\" lang=\"scss\"><span class=\"hljs-comment\">\/\/ \u5148\u4ece2\u53f7\u4f4d\u7f6e\u53d6\u51fasep\uff0c\u5982\u679c2\u53f7\u4f4d\u7f6e\u662fnil,\u5373\u6ca1\u6709\u6307\u5b9asep\uff0c\u5219sep=\"\"<\/span>\nconst char *sep = <span class=\"hljs-built_in\">luaL_optlstring<\/span>(L, <span class=\"hljs-number\">2<\/span>, \"\", &amp;lsep);\n\n    <span class=\"hljs-comment\">\/\/ \u68c0\u67e5\u68081\u53f7\u4f4d\u7f6e\u5b58\u7684\u6570\u636e\u7c7b\u578b\u662f\u5426\u662f\u4e00\u4e2atable<\/span>\n<span class=\"hljs-built_in\">luaL_checktype<\/span>(L, <span class=\"hljs-number\">1<\/span>, LUA_TTABLE);\n\n<span class=\"hljs-comment\">\/\/ i table\u8d77\u59cb\u7d22\u5f15,\u5982\u679c\u8d77\u59cb\u7d22\u5f15\u4e3anil\uff0c\u5219\u9ed8\u8ba4\u4ece1\u5f00\u59cb<\/span>\n<span class=\"hljs-selector-tag\">i<\/span> = <span class=\"hljs-built_in\">luaL_optint<\/span>(L, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">1<\/span>);\n\n    <span class=\"hljs-comment\">\/\/ last table\u7ed3\u675f\u7d22\u5f15\uff0c\u5982\u679c\u7ed3\u675f\u7d22\u5f15\u4e3anil\uff0c\u5219\u9ed8\u8ba4\u4e3atable\u6570\u7ec4\u90e8\u5206\u5927\u5c0f\u3002<\/span>\nlast = <span class=\"hljs-built_in\">luaL_opt<\/span>(L, luaL_checkint, <span class=\"hljs-number\">4<\/span>, luaL_getn(L, <span class=\"hljs-number\">1<\/span>));\n\n    <span class=\"hljs-comment\">\/\/ \u7533\u8bf7\u4e00\u5757buff\uff0c\u5b58\u5408\u5e76\u540e\u7684\u6570\u636e\uff0c\u521d\u59cbbuff\u5927\u5c0f\u4e3a8192<\/span>\n    <span class=\"hljs-comment\">\/\/ \u5f53buff\u5927\u5c0f\u7528\u5b8c\u540e\u5c31\u76f4\u63a5\u7528luaV_concat\u5728\u6808\u4e0a\u505a\u5b57\u7b26\u4e32\u8fde\u63a5<\/span>\n<span class=\"hljs-built_in\">luaL_buffinit<\/span>(L, &amp;b);\n\n    <span class=\"hljs-comment\">\/\/ \u628atable\u91cc\u9762\u7d22\u5f15\u4ecei\u5230last\u7684\u503c\u53d6\u51fa\u6765\uff0c\u5e76\u653e\u5230buff\u91cc\u9762\uff0cbuff\u5927\u5c0f\u4e3aBUFSIZ(8192)<\/span>\n    <span class=\"hljs-comment\">\/\/ \u6bcf\u5f53\u5199\u6ee1\u4e00\u4e2abuff\uff0c\u5c31\u628abuff\u751f\u6210\u4e00\u4e2aTString\uff0c\u5e76\u653e\u5230\u6808\u4e0a\uff0c\u5e76\u628abuff\u6e05\u7a7a\u91cd\u65b0\u5199<\/span>\nfor (; i &lt; last; i++) {\n\t<span class=\"hljs-built_in\">addfield<\/span>(L, &amp;b, i);\n\t<span class=\"hljs-built_in\">luaL_addlstring<\/span>(&amp;b, sep, lsep);\n}\n\n<span class=\"hljs-comment\">\/\/ \u628a\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u653e\u5165buff<\/span>\n<span class=\"hljs-comment\">\/\/ \u628abuff\u751f\u6210\u4e00\u4e2aTString\uff0c\u5e76\u653e\u5230\u6808\u4e0a<\/span>\nif (i == last) \n\t<span class=\"hljs-built_in\">addfield<\/span>(L, &amp;b, i);\n\n<span class=\"hljs-comment\">\/\/ \u628a\u6808\u4e0a\u4e4b\u524d\u6240\u6709\u751f\u6210\u7684TString\u901a\u8fc7luaV_concat\uff08\u5c31\u662f .. \u8bed\u6cd5\u7cd6\u7684\u5408\u5e76\u51fd\u6570\uff09\u5408\u5e76\u6210\u4e00\u4e2aTString\uff0c\u653e\u5230\u6808\u4e0a\uff0c\u76f8\u5f53\u4e8e\u8fd4\u56de\u503c\uff0c\u4f9b\u4e0a\u5c42\u51fd\u6570\u53d6\u7528<\/span>\n<span class=\"hljs-built_in\">luaL_pushresult<\/span>(&amp;b);\nreturn <span class=\"hljs-number\">1<\/span>;\n<\/code><\/pre>\n<p>}<\/p>\n<\/li>\n<li>\n<p>\u6027\u80fd\u5206\u6790\uff1a<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp; &nbsp; \u4ece\u6e90\u7801\u4e0a\u770b\uff0ctable.concat\u6ca1\u6709\u9891\u7e41\u7533\u8bf7\u5185\u5b58\uff0c\u53ea\u6709\u5f53\u5199\u6ee1\u4e00\u4e2a8192\u7684BUFF\u65f6\uff0c\u624d\u4f1a\u751f\u6210\u4e00\u4e2aTString\uff0c\u6700\u540e\u751f\u6210\u591a\u4e2aTString\u65f6\uff0c\u4f1a\u6709\u4e00\u6b21\u5185\u5b58\u7533\u8bf7\u5e76\u5408\u5e76\u3002\u5728\u5927\u89c4\u6a21\u5b57\u7b26\u4e32\u5408\u5e76\u65f6\uff0c\u5e94\u5c3d\u91cf\u9009\u62e9\u8fd9\u79cd\u65b9\u5f0f\u3002<\/p>\n<p>&nbsp; &nbsp; table.concat \u5e95\u5c42\u62fc\u63a5\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u4e5f\u662f\u4f7f\u7528\u8fd0\u7b97\u7b26.. \uff0c\u4f46\u662f\u5176\u4f7f\u7528\u7b97\u6cd5\u51cf\u5c11\u4e86\u4f7f\u7528\u8fd0\u7b97\u7b26..\u7684\u6b21\u6570\uff0c\u51cf\u5c11\u4e86GC\uff0c\u4ece\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h2 data-id=\"heading-2\">3.\u4f7f\u7528\u683c\u5f0f\u5316string.format(\u201c%s%s%s\u201d,str1,str2,str3)\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5<\/h2>\n<blockquote>\n<p>Lua string\u6a21\u5757\u5185\u7f6e\u7684format\u51fd\u6570\uff0c\u548cc\u8bed\u8a00\u7684printf\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u5c06\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u683c\u5f0f\u5316\u6210\u5b57\u7b26\u4e32\u3002<\/p>\n<\/blockquote>\n<ul>\n<li>\n<p>\u683c\u5f0f\uff1astring.format(fmt, [...])<\/p>\n<\/li>\n<li>\n<p>\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u53ef\u80fd\u5305\u542b\u4e00\u4e0b\u8f6c\u4e49\u7801\uff1a<\/p>\n<p>%c - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57, \u5e76\u5c06\u5176\u8f6c\u5316\u4e3aASCII\u7801\u8868\u4e2d\u5bf9\u5e94\u7684\u5b57\u7b26 %d, %i - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u6709\u7b26\u53f7\u7684\u6574\u6570\u683c\u5f0f %o - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u516b\u8fdb\u5236\u6570\u683c\u5f0f %u - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u65e0\u7b26\u53f7\u6574\u6570\u683c\u5f0f %x - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u5341\u516d\u8fdb\u5236\u6570\u683c\u5f0f, \u4f7f\u7528\u5c0f\u5199\u5b57\u6bcd %X - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u5341\u516d\u8fdb\u5236\u6570\u683c\u5f0f, \u4f7f\u7528\u5927\u5199\u5b57\u6bcd %e - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u79d1\u5b66\u8bb0\u6570\u6cd5\u683c\u5f0f, \u4f7f\u7528\u5c0f\u5199\u5b57\u6bcde %E - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u79d1\u5b66\u8bb0\u6570\u6cd5\u683c\u5f0f, \u4f7f\u7528\u5927\u5199\u5b57\u6bcdE %f - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u6d6e\u70b9\u6570\u683c\u5f0f %g(%G) - \u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a%e(%E, \u5bf9\u5e94%G)\u53ca%f\u4e2d\u8f83\u77ed\u7684\u4e00\u79cd\u683c\u5f0f %q - \u63a5\u53d7\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e76\u5c06\u5176\u8f6c\u5316\u4e3a\u53ef\u5b89\u5168\u88abLua\u7f16\u8bd1\u5668\u8bfb\u5165\u7684\u683c\u5f0f %s - \u63a5\u53d7\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e76\u6309\u7167\u7ed9\u5b9a\u7684\u53c2\u6570\u683c\u5f0f\u5316\u8be5\u5b57\u7b26\u4e32<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u8fdb\u4e00\u6b65\u7ec6\u5316\u683c\u5f0f\uff0c\u53ef\u4ee5\u5728%\u53f7\u540e\u9762\u6dfb\u52a0\u53c2\u6570\uff0c\u53c2\u6570\u5c06\u4ee5\u5982\u4e0b\u7684\u987a\u5e8f\u8bfb\u5165\uff1a<\/p>\n<\/li>\n<li>\n<p>\u7b26\u53f7\uff1a\u4e00\u4e2a+\u53f7\u8868\u793a\u5176\u540e\u7684\u6570\u5b57\u8f6c\u4e49\u7b26\u5c06\u8ba9\u6b63\u6570\u663e\u793a\u6b63\u53f7\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53ea\u6709\u8d1f\u6570\u663e\u793a\u7b26\u53f7\u3002<\/p>\n<\/li>\n<li>\n<p>\u5360\u4f4d\u7b26\uff1a\u4e00\u4e2a0\uff0c\u5728\u540e\u9762\u6307\u5b9a\u4e86\u5b57\u7b26\u4e32\u5bbd\u5ea6\u65f6\u5360\u4f4d\u7528\uff0c\u4e0d\u586b0\u65f6\u7684\u9ed8\u8ba4\u5360\u4f4d\u7b26\u662f\u7a7a\u683c\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u9f50\u6807\u8bc6\uff1a\u5728\u6307\u5b9a\u4e86\u5b57\u7b26\u4e32\u5bbd\u5ea6\u65f6\uff0c\u9ed8\u8ba4\u4e3a\u53f3\u5bf9\u9f50\uff0c\u589e\u52a0-\u53f7\u53ef\u53d8\u4e3a\u5de6\u5bf9\u9f50\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bbd\u5ea6\u6570\u503c<\/p>\n<\/li>\n<li>\n<p>\u5c0f\u6570\u4f4d\u6570\/\u5b57\u4e32\u88c1\u5207\uff1a\u5728\u5bbd\u5ea6\u6570\u503c\u540e\u589e\u52a0\u7684\u5c0f\u6570\u90e8\u5206n, \u82e5\u540e\u63a5f(\u6d6e\u70b9\u6570\u8f6c\u4e49\u7b26, \u5982%6.3f)\u5219\u8bbe\u5b9a\u8be5\u6d6e\u70b9\u6570\u7684\u5c0f\u6570\u53ea\u4fdd\u7559n\u4f4d, \u82e5\u540e\u63a5s(\u5b57\u7b26\u4e32\u8f6c\u4e49\u7b26, \u5982%5.3s)\u5219\u8bbe\u5b9a\u8be5\u5b57\u7b26\u4e32\u53ea\u663e\u793a\u524dn\u4f4d\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u4f8b\uff1a<\/p>\n<p>string1 = \"mynameisbb\"; number1 = 123456 number2 = 123.456 print(string.format(\"%.4s,%+08d,%.2f\",string1,number1,number2)) --&gt; myna,+0123456,123.46<\/p>\n<\/li>\n<li>\n<p>\u6027\u80fd\u5206\u6790\uff1a<\/p>\n<\/li>\n<li>\n<p>\u5b57\u7b26\u4e32\u7684\u8fde\u63a5\u6307\u4ee4\u6bd4\u683c\u5f0f\u5316\u8981\u5b89\u5168\u4e00\u4e9b\uff0c\u56e0\u4e3a\u683c\u5f0f\u5316\u51fd\u6570\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u9650\u5236\u5728512\u3002\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u6ca1\u6709\u8fd9\u4e2a\u9650\u5236\u3002<\/p>\n<\/li>\n<li>\n<p>\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u64cd\u4f5c\u6bd4\u8f83\u590d\u6742\uff0c\u6d88\u8017\u4f1a\u591a\u4e00\u4e9b\u3002<\/p>\n<\/li>\n<\/ul>\n<h2 data-id=\"heading-3\">4.string.rep<\/h2>\n<blockquote>\n<p>lua string\u5185\u7f6e\u6a21\u5757\u4e2d\u53e6\u4e00\u4e2a\u53ef\u4ee5\u505a\u5b57\u7b26\u4e32\u8fde\u63a5\u662frep\uff0c\u4e0d\u8fc7\u4f7f\u7528\u5c40\u9650\u6027\u5927\uff0c\u53ea\u80fd\u91cd\u590d\u7684\u5bf9\u67d0\u4e00\u4e2a\u5b57\u7b26\u4e32\u505aN\u6b21\u62fc\u63a5\u3002<\/p>\n<\/blockquote>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p><code>string.rep(\"abc\",3)&nbsp; &nbsp;--&gt;&nbsp; abcabcabc<\/code><\/p>\n<h2 data-id=\"heading-4\">\u6027\u80fd\u603b\u7ed3<\/h2>\n<ul>\n<li>\n<p>table.concat()\u4f18\u4e8e\u5b57\u7b26\u4e32\u8fde\u63a5\u7b26..&nbsp;<\/p>\n<\/li>\n<li>\n<p>\u5b57\u7b26\u4e32\u8fde\u63a5\u7b26\u4f18\u4e8e\u683c\u5f0f\u5316\u5b57\u7b26\u4e32&nbsp;<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u5176\u4e2d\u90e8\u5206\u5185\u5bb9\u53c2\u8003\u5b66\u4e60blog.csdn.net\/fengshenyun\u2026<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"Lua\u2014String\u62fc\u63a5\u51e0\u79cd\u65b9\u5f0f\u53ca\u76f8\u5e94\u6027\u80fd\u6743\u8861\u672c\u7bc7\u5206\u6790lua\u4e2d\u5b57\u7b26\u4e32\u76844\u4e2d\u8fde\u63a5\u65b9\u5f0f\uff0c\u5206\u522b\u662f\u8fde\u63a5\u5b57\u7b26\u4e32..\uff0ctable.concat\u51fd\u6570\uff0cstring.fo...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/679"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=679"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/679\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}