{"id":2533,"date":"2015-11-21T23:39:50","date_gmt":"2015-11-21T15:39:50","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=2533"},"modified":"2015-11-21T23:39:50","modified_gmt":"2015-11-21T15:39:50","slug":"go%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84%e9%80%9a%e4%bf%a1%e5%92%8c%e5%b9%b6%e5%8f%91","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/2533.html","title":{"rendered":"Go\u8bed\u8a00\u4e2d\u7684\u901a\u4fe1\u548c\u5e76\u53d1"},"content":{"rendered":"

\u4ee5\u4e0b\u4e3b\u8981\u662f\u5728\u8bfb\u300aGo\u8bed\u8a00\u7a0b\u5e8f\u8bbe\u8ba1\u300b\u65f6\u8bb0\u5f55\u7684\u4e00\u4e9b\u7b14\u8bb0\uff0c\u5173\u4e8eGo\u8bed\u8a00\u7684\u901a\u4fe1\u548c\u5e76\u53d1\u76f8\u5173\u7684\u5185\u5bb9\u3002<\/p>\n

=Start=<\/p>\n

goroutine\u662f\u7a0b\u5e8f\u4e2d\u4e0e\u5176\u4ed6goroutine\u5b8c\u5168\u76f8\u4e92\u72ec\u7acb\u800c\u5e76\u53d1\u6267\u884c<\/span><\/strong>\u7684\u51fd\u6570\u6216\u8005\u65b9\u6cd5\u8c03\u7528\u3002<\/p>\n

\u6bcf\u4e00\u4e2a\u7a0b\u5e8f\u81f3\u5c11\u5305\u542b\u4e00\u4e2agoroutine\uff0c\u5373\u4f1a\u6267\u884cmain\u5305\u4e2d\u7684main()\u51fd\u6570\u7684\u4e3bgoroutine\u3002<\/p>\n

\u6240\u6709\u7684goroutine\u5171\u4eab\u76f8\u540c\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u540c\u65f6Go\u8bed\u8a00\u63d0\u4f9b\u4e86\u9501\u539f\u8bed\u6765\u4fdd\u8bc1\u6570\u636e\u80fd\u591f\u5b89\u5168\u7684\u8de8goroutine\u5171\u4eab\u3002\u7136\u800c\uff0cGo\u8bed\u8a00\u63a8\u8350\u7684\u5e76\u53d1\u65b9\u5f0f\u662f\u901a\u4fe1(\u901a\u9053channel)\uff0c\u800c\u975e\u5171\u4eab\u6570\u636e<\/span><\/strong>\u3002<\/p>\n

goroutine\u7684\u521b\u5efa\u8bed\u53e5\uff1a<\/p>\n

go function(arguments)\ngo func(parameters) { block } (arguments)<\/pre>\n
\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u7684\u8bed\u6cd5\uff1a<\/p>\n
    \n
  • channel <- value \u00a0\/\/\u963b\u585e\u53d1\u9001<\/li>\n
  • <-channel \u00a0\/\/\u63a5\u6536\u5e76\u5c06\u5176\u4e22\u5f03<\/li>\n
  • x := <-channel \u00a0\/\/\u63a5\u6536\u5e76\u5c06\u5176\u4fdd\u5b58<\/li>\n
  • x, ok := <-channel \u00a0\/\/\u529f\u80fd\u540c\u4e0a\uff0c\u540c\u65f6\u68c0\u67e5\u901a\u9053\u662f\u5426\u5df2\u5173\u95ed\u6216\u8005\u662f\u5426\u4e3a\u7a7a<\/li>\n<\/ul>\n
    \u901a\u9053\u7684\u521b\u5efa\u8bed\u6cd5\uff1a<\/p>\n
      \n
    • make(chan Type) \/\/\u6ca1\u6709\u58f0\u660e\u7f13\u51b2\u533a\u5bb9\u91cf\u7684\u901a\u9053\u5c31\u662f\u540c\u6b65\u7684<\/li>\n
    • make(chan Type, capacity) \/\/\u5f02\u6b65\u901a\u9053<\/li>\n<\/ul>\n
      Go\u8bed\u8a00\u7684select\u8bed\u53e5\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
      select {\n    case sendOrReceive1: block1\n    ...\n    case sendOrReceiveN: blockN\n    default: blockDefault\n}<\/pre>\n
      \u5982\u679c\u6ca1\u6709default\u8bed\u53e5\uff0c\u90a3\u4e48select\u8bed\u53e5\u53ef\u80fd\u4f1a\u88ab\u963b\u585e\u3002<\/p>\n
      ====<\/p>\n
      \u4f7f\u7528\u901a\u9053\u7684\u4e24\u4e2a\u7ecf\u9a8c\uff1a<\/p>\n
      1.\u6211\u4eec\u53ea\u6709\u5728\u540e\u9762\u68c0\u67e5\u901a\u9053\u662f\u5426\u5173\u95ed(\u4f8b\u5982\u5728\u4e00\u4e2afor…range\u5faa\u73af\u91cc\uff0c\u6216\u8005select\uff0c\u6216\u8005\u4f7f\u7528<-\u64cd\u4f5c\u7b26\u6765\u68c0\u67e5\u662f\u5426\u53ef\u4ee5\u63a5\u6536\u7b49)\u7684\u65f6\u5019\u624d\u9700\u8981\u663e\u5f0f\u5730\u5173\u95ed\u901a\u9053\uff1b<\/p>\n
      2.\u5e94\u8be5\u7531\u53d1\u9001\u7aef\u7684goroutine\u5173\u95ed\u901a\u9053\uff0c\u800c\u4e0d\u662f\u7531\u63a5\u6536\u7aef\u7684goroutine\u6765\u5b8c\u6210\u3002
      \n\u5982\u679c\u901a\u9053\u5e76\u4e0d\u9700\u8981\u68c0\u67e5\u662f\u5426\u88ab\u5173\u95ed\uff0c\u90a3\u4e48\u4e0d\u5173\u95ed\u8fd9\u4e9b\u901a\u9053\u5e76\u6ca1\u6709\u4ec0\u4e48\u95ee\u9898\uff0c\u56e0\u4e3a\u901a\u9053\u975e\u5e38\u8f7b\u91cf\uff0c\u56e0\u6b64\u5b83\u4eec\u4e0d\u4f1a\u50cf\u6253\u5f00\u6587\u4ef6\u4e0d\u5173\u95ed\u90a3\u6837\u8017\u5c3d\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n
      =EOF=<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4ee5\u4e0b\u4e3b\u8981\u662f\u5728\u8bfb\u300aGo\u8bed\u8a00\u7a0b\u5e8f\u8bbe\u8ba1\u300b\u65f6\u8bb0\u5f55\u7684\u4e00\u4e9b\u7b14\u8bb0\uff0c\u5173\u4e8eGo\u8bed\u8a00\u7684\u901a\u4fe1\u548c\u5e76\u53d1\u76f8\u5173\u7684\u5185\u5bb9\u3002 =Start= go […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[563,564,566],"class_list":["post-2533","post","type-post","status-publish","format-standard","hentry","category-programing","tag-go","tag-golang","tag-goroutine"],"views":5246,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/2533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=2533"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/2533\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=2533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=2533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=2533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}