{"id":4419,"date":"2019-07-16T18:38:53","date_gmt":"2019-07-16T10:38:53","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=4419"},"modified":"2019-07-16T18:38:53","modified_gmt":"2019-07-16T10:38:53","slug":"lua-%e7%9a%84%e5%ae%89%e8%a3%85%e4%b8%8e%e5%85%a5%e9%97%a8%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=4419","title":{"rendered":"Lua \u7684\u5b89\u88c5\u4e0e\u5165\u95e8\u6559\u7a0b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Lua \u8bed\u8a00\u51fa\u751f\u4e8e 1993 \u5e74\uff0c\u5728\u8fd1\u5e74\u6765\u88ab\u9010\u6e10\u653e\u5927\u3002Lua \u5f88\u5c0f\uff0c\u7f16\u8bd1\u540e\u901a\u5e38\u53ea\u6709\u51e0\u767e kb\uff0c\u6bd4\u6211\u4eec\u5e38\u89c1\u7684 Shell \u90fd\u8fd8\u8981\u5c0f\u3002\u6240\u4ee5\u5f88\u591a\u7cfb\u7edf\u6216\u9879\u76ee\u90fd\u91c7\u7528 Lua \u4f5c\u4e3a\u811a\u672c\u8bed\u8a00\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u7684\u6e38\u620f\u811a\u672c\uff0cNginx\uff0cWireshark\uff0cOpenResty\uff0cRedis \u7b49\u90fd\u662f\u628a Lua \u4f5c\u4e3a\u5e95\u5c42\u7684\u7684\u811a\u672c\u6765\u5b9e\u73b0\u4e00\u4e9b\u6269\u5c55\u529f\u80fd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lua \u867d\u7136\u5f88\u706b\uff0c\u4f46\u662f\u7f51\u4e0a\u9488\u5bf9 Lua \u7684\u7cfb\u7edf\u5b66\u4e60\u8d44\u6599\u975e\u5e38\u7684\u5c11\uff0c\u4e0d\u4ec5\u5982\u6b64\uff0c\u8fd8\u975e\u5e38\u7684\u4e0d\u5168\uff0c\u540c\u65f6\u8fd8\u5b58\u5728\u4e0d\u5c11\u7684\u5c0f\u5751\u3002\u6211\u6700\u8fd1\u5c31\u9047\u5230\u4e86\u51e0\u4e2a\uff0c\u4e8e\u662f\u6211\u4e0d\u5f97\u4e0d\uff0c\u4ece\u5b98\u7f51\u9605\u8bfb\u5e2e\u52a9\u6587\u6863\uff0c\u4ece\u96f6\u5f00\u59cb\uff0c\u7801\u51fa\u672a\u6765\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u662f\u5b89\u88c5\uff0c\u867d\u7136\u662f\u7b80\u5355\uff0c\u4f46\u662f\u5f80\u5f80\u662f\u6700\u7b80\u5355\u7684\uff0c\u9700\u8981\u7684\u4eba\u6700\u591a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u8fd9\u91cc\u4ee5 Mac \u4e3a\u4f8b\uff0c\u5b89\u88c5\u6709\u4e24\u79cd\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u79cd\u662f\uff0c\u901a\u8fc7 Homebrew \u6765\u5b89\u88c5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u641c\u7d22 lua \u8f6f\u4ef6\nbrew search lua\n#\u6267\u884c\u5b89\u88c5\u547d\u4ee4\nbrew install lua@5.1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 Homebrew \u7684\u7f3a\u70b9\u5c31\u662f\uff0c\u975e\u6700\u65b0\u7248\uff0c\u56e0\u4e3a\u622a\u6b62\u5230\u6211\u7684\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5b98\u65b9\u6700\u65b0\u7a33\u5b9a\u7248\u672c\u5df2\u7ecf\u5230 5.3 \u4e86\u3002\u6240\u4ee5\uff0c\u6211\u91c7\u7528\u5c31\u662f\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>curl -R -O http:\/\/www.lua.org\/ftp\/lua-5.3.5.tar.gz\ntar zxf lua-5.3.5.tar.gz\ncd lua-5.3.5\n# Linux \u4f7f\u7528 make linux test\n# Mac \u4f7f\u7528 make macosx test\nmake macosx test<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8bd1\u5b8c\u6210\u540e\uff0csrc \u76ee\u5f55\u4e0b\u4f1a\u751f\u6210 3 \u4e2a\u4e3b\u8981\u7684\u6587\u4ef6\uff1alua\uff08\u89e3\u91ca\u5668\uff09\uff0cluac\uff08\u7f16\u8bd1\u5668\uff09\u548c liblua.a\uff08\u5e93\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u6211\u4eec\u5728\u7f16\u8bd1\u5b8c\u6210\u540e\uff0c\u987a\u5e26\u6267\u884c\u4e86 test \u6d4b\u8bd5\u3002test \u5176\u5b9e\u5c31\u662f\u6267\u884c src\/lua -v\uff0c\u8f93\u51fa\u7248\u672c\u53f7\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>src\/lua -v\n#\u6216\u8005\nmake test<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6211\u4eec\u7f16\u8bd1\u8fc7 lua \u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u8fdb\u884c\u5b89\u88c5\u4e86\uff0c\u8981\u6ce8\u610f\u6743\u9650\u95ee\u9898\uff0c\u5426\u5219\u4f1a\u62a5 Permission denied \u6216 make: *** [install] Error 1 \u7b49\u95ee\u9898\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cd lua-5.3.5\nmake macosx\nsudo make install<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f85\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u5b8c\u6574 lua \u4e86\u3002\u5148\u6765\u4e00\u4e2a hello world\uff01<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/wx1.sinaimg.cn\/large\/8fa5dcfcgy1g51v1hks8hj20kk07eq3e.jpg\" alt=\"\" \/><figcaption>Lua Hello World<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u628a\u591a\u884c\u4ee3\u7801\uff0c\u5199\u5728\u6587\u4ef6\u4e2d\uff0c\u7136\u540e\u6267\u884c\u6587\u4ef6\u3002\u6bd4\u5982\uff0c\u6211\u4eec\u5728 xttblog.lua \u6587\u4ef6\u4e2d\u5199\u5165\u4e0b\u9762\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>print(\"Hello World\")\nprint(\"www.xttblog.com\")<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\uff0c\u6267\u884c lua xttblog.lua \u5c31\u53ef\u4ee5\u8fd0\u884c\u4e86\u3002<br> lua \u4e5f\u652f\u6301\u6ce8\u91ca\uff0c\u4e24\u4e2a\u51cf\u53f7\u201c&#8211;\u201d\u662f\u884c\u6ce8\u91ca\uff0c&#8211;[[\u5757\u6ce8\u91ca&#8211;]]\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>print(\"Hello World\")\nprint(\"www.xttblog.com\u201d)\n--\u6211\u662f\u884c\u6ce8\u91ca\n--[[\u6211\u662f\u5757\u6ce8\u91ca\n\u6211\u53ef\u4ee5\u6362\u884c--]]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Lua \u7684\u53d8\u91cf\u5f88\u7b80\u5355\uff0cLua \u7684\u6570\u5b57\u53ea\u6709 double \u578b\uff0c64 \u4f4d\u7684\u6d6e\u70b9\u8fd0\u7b97\u5904\u7406\u901f\u5ea6\u4e5f\u5f88\u5feb\u3002\u9664\u975e\u5927\u4e8e 100,000,000,000,000 \u7684\u6570\u5b57\uff0c\u53ef\u80fd\u4f1a\u6709\u7cbe\u5ea6\u95ee\u9898\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>num = 1024\nnum = 52.0\nnum = 1314.520\nnum = 520.16e-2\nnum = 0.88816E1\nnum = 0xff\nnum = 0x56<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">0x \u5f00\u5934\u7684\u662f 16 \u8fdb\u5236\uff0c\u8fd9\u70b9\u548c C \u5f88\u50cf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">lua \u7684\u5b57\u7b26\u4e32\u5f88\u6709\u7279\u70b9\u3002\u5b57\u7b26\u4e32\u53ef\u4ee5\u7528\u5355\u5f15\u53f7\uff0c\u4e5f\u53ef\u4ee5\u7528\u53cc\u5f15\u53f7\uff0c\u8fd8\u652f\u6301C\u7c7b\u578b\u7684\u8f6c\u4e49\uff0c\u6bd4\u5982\uff1a \u2018\\a\u2019 \uff08\u54cd\u94c3\uff09\uff0c \u2018\\b\u2019 \uff08\u9000\u683c\uff09\uff0c \u2018\\f\u2019 \uff08\u8868\u5355\uff09\uff0c \u2018\\n\u2019 \uff08\u6362\u884c\uff09\uff0c \u2018\\r\u2019 \uff08\u56de\u8f66\uff09\uff0c \u2018\\t\u2019 \uff08\u6a2a\u5411\u5236\u8868\uff09\uff0c \u2018\\v\u2019 \uff08\u7eb5\u5411\u5236\u8868\uff09\uff0c \u2018\\\u2019 \uff08\u53cd\u659c\u6760\uff09\uff0c \u2018\\\u201d\u2018 \uff08\u53cc\u5f15\u53f7\uff09\uff0c \u4ee5\u53ca \u2018\\\u201d \uff08\u5355\u5f15\u53f7)\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>str = 'xttblog\\n123\"'\nstr = \"xttblog\\n123\\\"\"\nstr = '\\97xttblog\\10\\04923\"'\nstr = [[xttblog\n123\"]]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u770b\u5230\uff0clua \u8fd8\u652f\u6301\u4e24\u4e2a\u4e2d\u62ec\u53f7\u5305\u542b\u6709\u6362\u884c\u7684\u5b57\u7b26\u4e32\uff0c\u8fd9\u4e00\u7279\u6027\u5f88\u591a\u8bed\u8a00\u90fd\u6709\uff0cJava \u9664\u5916\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lua \u4e2d\u7684 null \u662f\u7528 nil \u8868\u793a\u7684\u3002\u8fd9\u4e00\u70b9\u4ece Redis \u4e2d\u4e5f\u53ef\u4ee5\u770b\u51fa\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>v = UndefinedVariable\n-- UndefinedVariable \u662f\u672a\u5b9a\u4e49\u7684\u53d8\u91cf\uff0c\u6240\u4ee5\uff0cv = nil<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u5c14\u7c7b\u578b\u6709 3 \u4e2a\u503c\uff0c\u5206\u522b\u662f nil\u3001false\uff0ctrue\uff0c\u6570\u5b57 0\uff0c\u2018\u2019\u7a7a\u5b57\u7b26\u4e32\uff08\u2019\\0\u2019\uff09\u90fd\u662f true\uff01nil \u548c false \u90fd\u4ee3\u8868 false\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">lua \u4e2d\u7684\u53d8\u91cf\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5168\u662f\u5168\u5c40\u53d8\u91cf\uff0c\u90a3\u6015\u662f\u8bed\u53e5\u5757\u6216\u662f\u51fd\u6570\u91cc\u3002\u53ea\u6709\u5728\u53d8\u91cf\u524d\u52a0 local \u5173\u952e\u5b57\u7684\u624d\u662f\u5c40\u90e8\u53d8\u91cf\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>theGlobalVar = \"\u5168\u5c40\u53d8\u91cf\"\nlocal theLocalVar = \"\u5c40\u90e8\u53d8\u91cf\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u4e8e Lua\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5148\u505a\u4e2a\u7ed3\u5c3e\uff0c\u4e0b\u7bc7\u6211\u4eec\u5b66\u4e60\u5206\u652f\uff0c\u5faa\u73af\u7b49\u5185\u5bb9\u3002<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=4419\">Lua \u7684\u5b89\u88c5\u4e0e\u5165\u95e8\u6559\u7a0b<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>Lua \u8bed\u8a00\u51fa\u751f\u4e8e 1993 \u5e74\uff0c\u5728\u8fd1\u5e74\u6765\u88ab\u9010\u6e10\u653e\u5927\u3002Lua \u5f88\u5c0f\uff0c\u7f16\u8bd1\u540e\u901a\u5e38\u53ea\u6709\u51e0\u767e kb\uff0c\u6bd4\u6211\u4eec\u5e38\u89c1\u7684 S [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[1972,1152,1603,1876,1877],"class_list":["post-4419","post","type-post","status-publish","format-standard","hentry","category-java","category-yyzt","tag-lua","tag-nginx","tag-openresty","tag-redis-hgetall-","tag-redis-hgetall"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4419"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4419\/revisions"}],"predecessor-version":[{"id":4420,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4419\/revisions\/4420"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}