{"id":44144,"date":"2023-04-17T20:35:56","date_gmt":"2023-07-30T00:10:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/2021%e5%b9%b410%e6%9c%88%e6%88%91%e5%85%b3%e6%b3%a8%e7%9a%84%e6%8f%90%e4%ba%a4\/"},"modified":"2024-04-30T00:00:06","modified_gmt":"2024-04-29T16:00:06","slug":"2021%e5%b9%b410%e6%9c%88%e6%88%91%e5%85%b3%e6%b3%a8%e7%9a%84%e6%8f%90%e4%ba%a4","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/2021%e5%b9%b410%e6%9c%88%e6%88%91%e5%85%b3%e6%b3%a8%e7%9a%84%e6%8f%90%e4%ba%a4\/","title":{"rendered":"2021\u5e7410\u6708\u6211\u5173\u6ce8\u7684\u63d0\u4ea4"},"content":{"rendered":"<p>\u8fd9\u662f\u4e00\u4e2a\u4ecegolang\/go\u7684\u4e3b\u5206\u652f\u63d0\u4ea4\u4e2d\uff0c\u6211\u4e2a\u4eba\u611f\u5174\u8da3\u7684\u4e8b\u9879\u5217\u8868\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e0a\u6b21\u521b\u5efa\u7684\u6e05\u5355\u3002<\/p>\n<p>\u867d\u7136\u6211\u5728\u7b80\u8981\u89e3\u91ca\u4e2d\u6dfb\u52a0\u4e86\u4e00\u4e9b\u5185\u5bb9\uff0c\u4f46\u53ef\u80fd\u5b58\u5728\u8bef\u89e3\u6216\u9519\u8bef\u3002<\/p>\n<h2>\u4e3b\u9898 (zh\u01d4 t\u00ed)<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u3067\u4f7f\u7528\u3059\u308b\u30bf\u30a4\u30d7\u30d1\u30e9\u30e1\u30fc\u30bf\u306b interface{} \u3092\u7701\u7565\u3057\u3066\u305d\u306e\u307e\u307e\u30bf\u30a4\u30d7\u30bb\u30c3\u30c8\u3092\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6587\u5b57\u5217\u3092 2 \u3064\u306b\u5206\u5272\u3059\u308b strings.Cut \u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d3\u30eb\u30c9\u3057\u305f\u30d0\u30a4\u30ca\u30ea\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u60c5\u5831\u3084\u30d3\u30eb\u30c9\u6642\u306e\u6307\u5b9a\u304c\u57cb\u3081\u8fbc\u307e\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u7406\u7531\u3068\u3057\u3066 wasm \u3067\u4f7f\u7528\u3055\u308c\u308b syscall\/js \u304b\u3089 js.Wrapper \u304c\u524a\u9664\u3055\u308c\u307e\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Go \u306b workspace \u30b5\u30dd\u30fc\u30c8\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">sync.Mutex \u306b\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u30d6\u30ed\u30c3\u30af\u305b\u305a\u306b\u623b\u3063\u3066\u304f\u308b TryLock \u30e1\u30bd\u30c3\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/ul>\n<h2>\u63d0\u4ea4<\/h2>\n<h3>2021\u5e7410\u67081\u65e5<\/h3>\n<p>\u901a\u8fc7\u7701\u7565\u4f7f\u7528\u6cdb\u578b\u7684\u7c7b\u578b\u53c2\u6570\u4e2d\u7684 interface{} \u6765\u76f4\u63a5\u7f16\u5199\u7c7b\u578b\u8bbe\u7f6e\uff0c\u8fd9\u4e2a\u53d8\u66f4\u4f7f\u5f97\u4ee3\u7801\u66f4\u6613\u7406\u89e3\uff0c\u4f18\u4e8e\u4f7f\u7528 constraints \u5305\u3002<\/p>\n<h3>2021\u5e7410\u67082\u65e5<\/h3>\n<p>\u5f53\u53d1\u751f\u8bf8\u5982\u8d85\u65f6\u7b49\u95ee\u9898\u5bfc\u81f4\u540d\u79f0\u89e3\u6790\u5931\u8d25\u65f6\uff0c\u5c06\u59cb\u7ec8\u8fd4\u56de net.DNSError\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u8c03\u67e5\u9519\u8bef\u7684\u539f\u56e0\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e2d\u6587\u7684\u7ffb\u8bd1\u7248\u672c\uff1a\u4e0a\u4e0b\u6587\u503c\u7684\u63d0\u53d6\u7531\u9012\u5f52\u8c03\u7528\u66f4\u6539\u4e3a\u5faa\u73af\u3002\u7531\u4e8e\u4e0a\u4e0b\u6587\u5bb9\u6613\u5d4c\u5957\uff0c\u5e76\u4e14\u5728\u77ed\u5bff\u547d\u7684goroutine\u4e2d\uff0c\u4f7f\u7528\u9012\u5f52\u8c03\u7528\u6765\u66f4\u6539\u5806\u6808\u5927\u5c0f\u4f3c\u4e4e\u662f\u5177\u6709\u76f8\u5f53\u5927\u7684\u6210\u672c\u3002<\/p>\n<h3>2021\u5e7410\u67085\u65e5<\/h3>\n<p>\u636e\u770b\u8d77\u6765\uff0c\u901a\u8fc7\u91cd\u65b0\u6392\u5217\u7b26\u53f7\u4fe1\u606f\u7684\u5e03\u7f6e\uff0c\u53ef\u4ee5\u51cf\u5c11\u52a0\u8f7d\u65f6\u95f4\u5e76\u964d\u4f4e\u94fe\u63a5\u65f6\u7684\u5185\u5b58\u6d88\u8017\u3002<\/p>\n<p>\u8c8c\u4f3cGo\u534f\u7a0b\u5728\u51cf\u5c11\u51fd\u6570\u8c03\u7528\u7684\u5f00\u9500\u65b9\u9762\u8fdb\u884c\u4e86\u6539\u8fdb\u3002<br \/>\n\u8001\u5b9e\u8bf4\uff0c\u6211\u5e76\u4e0d\u592a\u7406\u89e3\u3002<\/p>\n<h3>2021\u5e7410\u67086\u65e5<\/h3>\n<p>\u4f18\u5316\u4e86\u4e0e\u5c0f\u5c3a\u5bf8\u5e38\u6570\u7684\u6bd4\u8f83\u30024<\/p>\n<p>\u5f53\u4f7f\u7528\u7f16\u7801\/\u4e8c\u8fdb\u5236\u7684\u5b57\u8282\u5e8f\u51fd\u6570\u65f6\uff0c\u5185\u8054\u5316\u53d8\u5f97\u66f4\u5bb9\u6613\u4e86\u30025<\/p>\n<p>\u5728\u5904\u7406ASCII\u5b57\u7b26\u65f6\uff0c\u4f7f\u7528\u5b57\u8282\u6216\u5b57\u7b26\u4e32\u8fdb\u884c\u622a\u53d6\u7684\u6027\u80fd\u5f97\u5230\u4e86\u663e\u8457\u6539\u5584\u3002\u57288\u6708\u7684\u6539\u8fdb\u4e2d\uff0c\u4ec5\u9650\u4e8e\u4e00\u4e2a\u5b57\u7b26\u7684\u60c5\u51b5\u5df2\u5f97\u5230\u6539\u5584\uff0c\u73b0\u5728\u4e5f\u9488\u5bf9\u591a\u4e2a\u5b57\u7b26\u8fdb\u884c\u4e86\u6539\u8fdb\u3002<\/p>\n<p>\u65b0\u589e\u4e86\u4e00\u4e2a\u65b9\u6cd5 Valid\uff0c\u7528\u4e8e\u68c0\u67e5 http.Cookie \u7684\u503c\u662f\u5426\u6709\u6548\u3002<\/p>\n<p>\u901a\u8fc7\u6dfb\u52a0\u548c\u66ff\u6362 strings.Cut \u51fd\u6570\uff0c\u6587\u5b57\u5217\u88ab\u5206\u5272\u4e3a\u4e24\u90e8\u5206\u3002\u8fd9\u4f3c\u4e4e\u662f\u5728\u8c03\u67e5\u6807\u51c6\u5e93\u7684\u4f7f\u7528\u60c5\u51b5\u540e\uff0c\u4f5c\u4e3a\u66f4\u6613\u7406\u89e3\u7684\u51fd\u6570\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n<p>\u5728\u4e0b\u9762\u7684\u6587\u7ae0\u4e2d\uff0c\u63d0\u5230\u4e86\u5bf9 strings.SplitN \u8fdb\u884c\u6bd4\u8f83\u3002<br \/>\n\u5c3d\u7ba1\u8865\u5145\u7684\u76ee\u7684\u5e76\u4e0d\u662f\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u4f46\u7ed3\u679c\u4f3c\u4e4e\u4e5f\u6539\u5584\u4e86\u6548\u7387\u3002<\/p>\n<h3>2021\u5e7410\u67087\u65e5<\/h3>\n<p>fastrand()\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5c0f\u4e8e\u6307\u5b9a\u503c\u7684\u968f\u673a\u6574\u6570\uff0c\u73b0\u5728\u5df2\u7ecf\u88ab\u66f4\u5feb\u7684fastrandn()\u51fd\u6570\u4ee3\u66ff\uff0c\u4e24\u8005\u90fd\u662f\u5728\u8fd0\u884c\u65f6\u5b9a\u4e49\u7684\u51fd\u6570\u3002fastrand()\u51fd\u6570\u672c\u8eab\u5728\u90e8\u5206CPU\u4e2d\u5df2\u7ecf\u4ecexorshift64+\u66f4\u6539\u4e3awyrand\u300210 11<\/p>\n<p>\u9019\u662f\u4fee\u5fa9\u572832\u4f4d\u74b0\u5883\u4e2d\u5f9euint64\u8f49\u63db\u70bafloat32\u6642\u7522\u751f\u6368\u5165\u8aa4\u5dee\u7684\u554f\u984c\u3002\u9019\u500b\u63d0\u4ea4\u4f3c\u4e4e\u4e0d\u8db3\u5920\uff0c\u9032\u884c\u4e86\u9644\u52a0\u7684\u4fee\u6b63\u3002<\/p>\n<p>\u5f53\u7ed9\u51fa\u8f83\u5927\u7684\u53c2\u6570\u65f6\uff0cwasm_exec.js\u5b58\u5728\u4e00\u4e2a\u5bb9\u6613\u88ab\u5229\u7528\u6765\u4fee\u6539wasm\u6a21\u5757\u90e8\u5206\u7684\u5b89\u5168\u6f0f\u6d1e\u3002\u6b64\u4fee\u590d\u5df2\u7ecf\u88ab\u540e\u7eed\u7248\u672cGo 1.17.2\u548cGo 1.16.9\u8fdb\u884c\u4e86\u56de\u6eaf\u3002<\/p>\n<h3>2021\u5e74 10\u67088\u65e5<\/h3>\n<p>time.ParseDuration() \u51fd\u6570\u5df2\u4fee\u590d\u4e86\u65e0\u6cd5\u89e3\u6790 int64 \u6700\u5c0f\u503c\u7684\u95ee\u9898\u3002\u867d\u7136\u6211\u8ba4\u4e3a\u5f88\u5c11\u6709\u8bbe\u7f6e\u6700\u5c0f\u503c\u7684\u673a\u4f1a\uff0c\u4f46\u8fd9\u4e2a\u4fee\u590d\u63d0\u5347\u4e86\u6027\u80fd\uff0c\u8fd9\u5f88\u6709\u8da3\u3002<\/p>\n<h3>2021\u5e7410\u67089\u65e5<\/h3>\n<p>\u5728WaitGroup\u7684Example Test\u4e2d\uff0c\u5305\u542b\u7684URL\u5df2\u7ecf\u88ab\u4fee\u6539\u4e3aexample.com\u3002\u5efa\u8bae\u8ba4\u771f\u8003\u8651\u5199\u5165\u6587\u6863\u7684URL\u3002<\/p>\n<p>\u8fd9\u4f3c\u4e4e\u662f\u4e0e\u7f16\u7801\/\u4e8c\u8fdb\u5236\u6709\u5173\u7684\u4f18\u5316\u3002<br \/>\n\u5c06\u5728amd64\u548carm64\u4e0a\u4f7f\u75282\u6b21swap\u6307\u4ee4\u590d\u52368\u5b57\u8282\u7684\u6570\u636e\u66ff\u6362\u4e3a\u4e00\u4e2amove\u6307\u4ee4\u3002<\/p>\n<h3>2021\u5e7410\u670811\u65e5<\/h3>\n<p>\u6b63\u898f\u8868\u73fe\u4e2d\u51fa\u73b0\u4e86\u4f5c\u4e3a UTF-8 \u65e0\u6548\u5b57\u7b26\u7684\u884c\u4e3a\u5df2\u88ab\u4fee\u6b63\u3002\u867d\u7136\u4e4b\u524d\u4f3c\u4e4e\u6ca1\u6709\u4e00\u81f4\u6027\uff0c\u4f46\u73b0\u5728\u5df2\u7ecf\u7edf\u4e00\u8ba4\u4e3a\u4e0e U+FFFD \u76f8\u540c\u3002<br \/>\n\u6b63\u786e\u7684\u60c5\u51b5\u672c\u5e94\u4e0d\u5339\u914d U+FFFD\uff0c\u4f46\u4e3a\u4e86\u907f\u514d\u7834\u574f\u73b0\u6709\u7684\u64cd\u4f5c\uff0c\u53ea\u80fd\u8fbe\u6210\u59a5\u534f\u3002<\/p>\n<h3>2021\u5e7410\u670812\u65e5 \u00e8r y\u012b sh\u00ed yu\u00e8 sh\u00ed \u00e8r r\u00ec)<\/h3>\n<p>\u4e3a\u89e3\u51b3\u6765\u81ea\u56fe\u7247\/gif\u751f\u6210\u7684GIF\u56fe\u50cf\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u5f15\u5165\u4e86\u538b\u7f29\/ LZW\u8fdb\u884c\u4fee\u6b63\u300220 21<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u5c06 amd64 \u5e73\u53f0\u4e0a\u7684 ANDQ \u8bed\u53e5\u66ff\u6362\u4e3a ANDL \u7684\u4fee\u590d\u7a0b\u5e8f\uff0c\u53ea\u6709\u5f53\u5e38\u91cf\u53ef\u4ee5\u9002\u5e94 32 \u4f4d\u65f6\u624d\u8fdb\u884c\u66ff\u6362\u3002<br \/>\n\u636e\u79f0\uff0c\u8fd9\u5c06\u4f7f Linux x86_64 \u4e8c\u8fdb\u5236\u6587\u4ef6\u51cf\u5c0f 0.03%\u3002<br \/>\n\u6027\u80fd\u4e5f\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u4f46\u597d\u7684\u548c\u574f\u7684\u5f71\u54cd\u4f3c\u4e4e\u6df7\u5408\u5728\u4e00\u8d77\u3002<\/p>\n<h3>2021\u5e7410\u670814\u65e5<\/h3>\n<p>\u8fd9\u662f\u4e3a\u4e86\u5c06\u7248\u672c\u63a7\u5236\u4fe1\u606f\u548c\u6784\u5efa\u65f6\u7684\u6307\u5b9a\u5d4c\u5165\u5230\u6784\u5efa\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\u6240\u505a\u7684\u4fee\u6b63\u3002\u4ee5\u524d\u6211\u4eec\u662f\u4f7f\u7528ldflag\u7b49\u65b9\u6cd5\u5c06git\u7684\u63d0\u4ea4\u54c8\u5e0c\u7b49\u4fe1\u606f\u5d4c\u5165\u8fdb\u53bb\uff0c\u4f46\u73b0\u5728\u53ef\u4ee5\u4ece\u8fd0\u884c\u65f6\u83b7\u53d6\u8fd9\u4e9b\u4fe1\u606f\u3002\u53e6\u5916\uff0c\u6dfb\u52a0\u4e86debug\/buildinfo\u5305\uff0c\u53ef\u4ee5\u4ece\u6267\u884c\u6587\u4ef6\u7684\u4e8c\u8fdb\u5236\u4e2d\u83b7\u53d6\u5d4c\u5165\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u770b\u8d77\u6765\u8fd8\u5c06\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u4fee\u6b63\uff0c\u6700\u7ec8\u4f3c\u4e4e\u5c06\u652f\u6301 Git\u3001Mercurial\u3001Fossil \u548c Bazaar\u3002<\/p>\n<p>\u5f53\u4f7f\u7528https\u670d\u52a1\u5668\u65f6\uff0c\u5982\u679c\u8bbe\u7f6e\u4e86ReadHeaderTimeout\u4f46\u6ca1\u6709\u8bbe\u7f6eReadTimeout\uff0c\u5219\u5df2\u4fee\u590dTLS\u63e1\u624b\u4e0d\u4f1a\u8d85\u65f6\u7684\u95ee\u9898\u3002 23<\/p>\n<h3>2021\u5e7410\u670818\u65e5<\/h3>\n<p>\u4f3c\u4e4e\u73b0\u5728\u53ef\u4ee5\u5c06\u5305\u542b\u6709switch\u8bed\u53e5\u7684\u51fd\u6570\u4e5f\u8fdb\u884c\u5185\u8054\u5316\u4e86\uff0c\u517124\u4e2a\u9009\u9879\u3002<\/p>\n<p>\u7531\u4e8e\u6027\u80fd\u539f\u56e0\uff0cwasm \u4e2d\u7684 syscall\/js \u4e0d\u518d\u4f7f\u7528 js.Wrapper\u3002 \u8fd9\u662f\u4e00\u4e2a\u4e0d\u517c\u5bb9\u7684\u66f4\u6539\uff0c\u4f46\u662f syscall\/js 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\/>\n4. https:\/\/github.com\/golang\/go\/issues\/37275<br \/>\n5. https:\/\/github.com\/golang\/go\/issues\/42958<br \/>\n6. https:\/\/github.com\/golang\/go\/issues\/46446<br \/>\n7. https:\/\/github.com\/golang\/go\/commit\/5baf60d47245c792c50a349cd6b8586d23204895<br \/>\n8. https:\/\/github.com\/golang\/go\/issues\/46370<br \/>\n9. https:\/\/github.com\/golang\/go\/issues\/46336<br \/>\n10. https:\/\/github.com\/golang\/go\/commit\/483533df9e35eea46747c5545307b230eca997b6<br \/>\n11. https:\/\/github.com\/wangyi-fudan\/wyhash<br \/>\n12. https:\/\/github.com\/golang\/go\/issues\/48807<br \/>\n13. https:\/\/github.com\/golang\/go\/commit\/16a3cefc93d9b896b2053320e387d0e449904aba<br \/>\n14. https:\/\/github.com\/golang\/go\/issues\/48797<br \/>\n15. https:\/\/github.com\/golang\/go\/issues\/48629<br \/>\n16. https:\/\/github.com\/golang\/go\/issues\/48886<br \/>\n17. https:\/\/ja.wikipedia.org\/wiki\/Example.com<br \/>\n18. https:\/\/github.com\/golang\/go\/issues\/41684<br \/>\n19. https:\/\/github.com\/golang\/go\/issues\/48749<br \/>\n20. https:\/\/github.com\/golang\/go\/issues\/26108<br \/>\n21. https:\/\/github.com\/golang\/go\/issues\/33748<br \/>\n22. https:\/\/github.com\/golang\/go\/issues\/37475<br \/>\n23. https:\/\/github.com\/golang\/go\/issues\/48120<br \/>\n24. https:\/\/github.com\/golang\/go\/issues\/14768<br \/>\n25. https:\/\/github.com\/golang\/go\/issues\/44006<br \/>\n26. https:\/\/github.com\/golang\/go\/issues\/39740<br \/>\n27. https:\/\/pkg.go.dev\/syscall\/js<br \/>\n28. https:\/\/github.com\/golang\/go\/issues\/45713<br \/>\n29. https:\/\/github.com\/golang\/go\/issues\/46395<br \/>\n30. https:\/\/github.com\/golang\/go\/issues\/45435<br \/>\n31. https:\/\/github.com\/golang\/go\/issues\/20498<br \/>\n32. https:\/\/github.com\/golang\/go\/issues\/44167<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u4e00\u4e2a\u4ecegolang\/go\u7684\u4e3b\u5206\u652f\u63d0\u4ea4\u4e2d\uff0c\u6211\u4e2a\u4eba\u611f\u5174\u8da3\u7684\u4e8b\u9879\u5217\u8868\u3002 \u4ee5\u4e0b\u662f\u4e0a\u6b21\u521b\u5efa\u7684\u6e05\u5355\u3002 \u867d\u7136\u6211\u5728\u7b80\u8981\u89e3\u91ca [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44144","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2021\u5e7410\u6708\u6211\u5173\u6ce8\u7684\u63d0\u4ea4 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" 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