{"id":44056,"date":"2022-11-24T21:16:06","date_gmt":"2024-02-01T22:03:14","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e5%89%8d%e8%bf%9b%e3%80%91%e5%9f%ba%e6%9c%ac%e6%96%87%e6%b3%95%e2%91%a3%ef%bc%88%e6%8e%92%e5%88%97%e3%83%bb%e5%88%87%e7%89%87%ef%bc%89\/"},"modified":"2024-04-29T02:19:09","modified_gmt":"2024-04-28T18:19:09","slug":"%e3%80%90%e5%89%8d%e8%bf%9b%e3%80%91%e5%9f%ba%e6%9c%ac%e6%96%87%e6%b3%95%e2%91%a3%ef%bc%88%e6%8e%92%e5%88%97%e3%83%bb%e5%88%87%e7%89%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e5%89%8d%e8%bf%9b%e3%80%91%e5%9f%ba%e6%9c%ac%e6%96%87%e6%b3%95%e2%91%a3%ef%bc%88%e6%8e%92%e5%88%97%e3%83%bb%e5%88%87%e7%89%87%ef%bc%89\/","title":{"rendered":"\u3010\u524d\u8fdb\u3011\u57fa\u672c\u6587\u6cd5\u2463\uff08\u6392\u5217\u30fb\u5207\u7247\uff09"},"content":{"rendered":"

\u7b80\u8ff0<\/h1>\n

\u6211\u6309\u7167 A Tour of Go \u7684\u987a\u5e8f\u603b\u7ed3\u4e86\u6211\u4e2a\u4eba\u5728\u5b66\u4e60\u57fa\u672c Go \u8bed\u8a00\u65b9\u9762\u7684\u7ecf\u9a8c\u3002<\/p>\n

\n
No\u8a18\u4e8b1\u3010Go\u3011\u57fa\u672c\u6587\u6cd5\u2460(\u57fa\u790e)<\/a>2\u3010Go\u3011\u57fa\u672c\u6587\u6cd5\u2461(\u30d5\u30ed\u30fc\u5236\u5fa1\u6587)<\/a>3\u3010Go\u3011\u57fa\u672c\u6587\u6cd5\u2462(\u30dd\u30a4\u30f3\u30bf\u30fb\u69cb\u9020\u4f53)<\/a>4\u301c\u301c\u3010Go\u3011\u57fa\u672c\u6587\u6cd5\u2463(\u914d\u5217\u30fb\u30b9\u30e9\u30a4\u30b9)\u300c\u4eca\u30b3\u30b3\u300d\u301c\u301c<\/strong>5\u3010Go\u3011\u57fa\u672c\u6587\u6cd5\u2464(Maps\u30fb Range)<\/a>6\u3010Go\u3011\u57fa\u672c\u6587\u6cd5\u2465(\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9)<\/a>7\u3010Go\u3011\u57fa\u672c\u6587\u6cd5\u2466(\u4e26\u884c\u51e6\u7406)<\/a>8\u3010Go\u3011\u57fa\u672c\u6587\u6cd5\u7dcf\u307e\u3068\u3081<\/a><\/div>\n<\/div>\n

\u8fd9\u6b21\u5b66\u4e60\u4fa7\u91cd\u4e8eArrays\uff08\u6570\u7ec4\uff09\u548cslices\uff08\u5207\u7247\uff09\u3002<\/p>\n

\u6570\u7ec4<\/h1>\n

\u914d\u5217\u662f\u4e00\u79cd\u5305\u542b\u76f8\u540c\u7c7b\u578b\u7684\u503c\uff08\u5143\u7d20\uff09\u7684\u6709\u5e8f\u96c6\u5408\u3002
\nGo\u8bed\u8a00\u4e2d\u7684\u6570\u7ec4\u662f\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u56e0\u6b64\u65e0\u6cd5\u6539\u53d8\u6700\u521d\u58f0\u660e\u7684\u6570\u7ec4\u5927\u5c0f\u3002<\/p>\n

\u58f0\u660e\u6570\u7ec4\u7684\u65b9\u5f0f<\/h3>\n

\u5728Go\u4e2d\uff0c\u53ef\u4ee5\u5982\u4e0b\u58f0\u660e\u6570\u7ec4\u3002<\/p>\n

\u2460 var \u5909\u6570\u540d [\u9577\u3055]\u578b\r\n\u2461 var \u5909\u6570\u540d [\u9577\u3055]\u578b = [\u5927\u304d\u3055]\u578b{\u521d\u671f\u50241, \u521d\u671f\u5024n} \r\n\u2462 \u5909\u6570\u540d := [...]\u578b{\u521d\u671f\u5024\uff11, \u521d\u671f\u5024n}\r\n<\/code><\/pre>\n
\u4f7f\u7528\u4e86\u2460\u4e2d\u7684\u65b9\u5f0f\u6765\u58f0\u660e\u6570\u7ec4\u7684\u793a\u4f8b\u3002
\n\u4f7f\u7528\u4e86\u2460\u65b9\u5f0f\u5ba3\u544a\u6570\u7ec4\u7684\u4f8b\u5b50\u3002<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n   var<\/span> arr<\/span>[<\/span>2<\/span>]<\/span> string<\/span> \r\n       arr<\/span>[<\/span>0<\/span>]<\/span> =<\/span> \"Golange\"<\/span>\r\n       arr<\/span>[<\/span>1<\/span>]<\/span> =<\/span> \"Java\"<\/span>\r\n       fmt<\/span>.<\/span>Println<\/span>(<\/span>arr<\/span>[<\/span>0<\/span>],<\/span> arr<\/span>[<\/span>1<\/span>])<\/span> \/\/=> Golange Java<\/span>\r\n       fmt<\/span>.<\/span>Println<\/span>(<\/span>arr<\/span>)<\/span> \/\/=> [Golange Java]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7528\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u58f0\u660e\u6570\u7ec4\u7684\u4f8b\u5b50\u3002<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n   var<\/span> arr<\/span>[<\/span>2<\/span>]<\/span> string<\/span> =<\/span> [<\/span>2<\/span>]<\/span>string<\/span> {<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n       fmt<\/span>.<\/span>Println<\/span>(<\/span>arr<\/span>[<\/span>0<\/span>],<\/span> arr<\/span>[<\/span>1<\/span>])<\/span> \/\/=> Golange Java<\/span>\r\n       fmt<\/span>.<\/span>Println<\/span>(<\/span>arr<\/span>)<\/span> \/\/=> [Golange Java]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528\u65b9\u6cd5\u2462\u58f0\u660e\u6570\u7ec4\u7684\u793a\u4f8b
\n\u5728\u8fd9\u79cd\u58f0\u660e\u65b9\u6cd5\u4e2d\uff0c\u53ef\u4ee5\u7701\u7565\u5143\u7d20\u7684\u6570\u91cf\u3002
\n\u7136\u800c\uff0c\u5b83\u53ea\u662f\u81ea\u52a8\u8ba1\u7b97\u4e86\u540e\u9762\u5199\u7684\u5143\u7d20\u6570\u91cf\uff0c\u4e0e\u660e\u786e\u58f0\u660e\u5143\u7d20\u6570\u91cf\u7684\u60c5\u51b5\u6ca1\u6709\u5b9e\u8d28\u4e0a\u7684\u5dee\u5f02\u3002<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n     arr<\/span> :=<\/span> [<\/span>...<\/span>]<\/span> string<\/span>{<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>arr<\/span>[<\/span>0<\/span>],<\/span> arr<\/span>[<\/span>1<\/span>])<\/span> \/\/=> Golange Java<\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>arr<\/span>)<\/span> \/\/=> [Golange Java]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5207\u7247<\/h1>\n
Go\u7684\u6570\u7ec4\u662f\u7c7b\u4f3c\u4e8e\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u800cGo\u7684\u5207\u7247\uff08Slice\uff09\u5219\u66f4\u52a0\u7075\u6d3b\uff0c\u7c7b\u4f3c\u4e8e\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u5b58\u50a8\u6570\u636e\uff08\u5143\u7d20\uff09\u3002<\/p>\n
\u58f0\u660e\u5207\u7247\u7684\u65b9\u6cd5<\/h3>\n
\u5728Go\u8bed\u8a00\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u58f0\u660e\u4e00\u4e2a\u5207\u7247\uff1a
\n\u4e0e\u6570\u7ec4\u58f0\u660e\u4e0d\u540c\u7684\u662f\uff0c\u5207\u7247\u4e0d\u9700\u8981\u5728 [] \u4e2d\u6307\u5b9a\u5927\u5c0f\u3002
\n\u6b64\u5916\uff0c\u5207\u7247\u662f\u5bf9\u6570\u7ec4\u7684\u5f15\u7528\u7c7b\u578b\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u5207\u7247\u64cd\u4f5c\u4ece\u6570\u7ec4\u4e2d\u53d6\u51fa\u4e00\u4e2a\u5b50\u5e8f\u5217\u5e76\u521b\u5efa\u5b83\u3002<\/p>\n
\u2460 var \u5909\u6570\u540d []\u578b\r\n\u2461 var \u5909\u6570\u540d []\u578b = []\u578b{\u521d\u671f\u50241, ..., \u521d\u671f\u5024n} \r\n\u2462 \u5909\u6570\u540d := \u914d\u5217[start:end] \r\n\/\/\u914d\u5217(\u307e\u305f\u306f\u30b9\u30e9\u30a4\u30b9)\u306estart\u304b\u3089(end - 1)\u3092\u53d6\u308a\u51fa\u3059\u4e8b\u3067\u30b9\u30e9\u30a4\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3002 \r\n<\/code><\/pre>\n
\u7528\u2460\u65b9\u6cd5\u5ba3\u5e03\u7684\u793a\u4f8b<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n     var<\/span> slice<\/span> []<\/span>string<\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>slice<\/span>)<\/span> \/\/=> []<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u75282\u7684\u65b9\u6cd5\u58f0\u660e\u7684\u793a\u4f8b<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n     slice<\/span> :=<\/span> []<\/span> string<\/span>{<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>slice<\/span>)<\/span> \/\/=> [Golange Java]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u7b2c\u2462\u79cd\u65b9\u6cd5\u58f0\u660e\u7684\u793a\u4f8b<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n     arr<\/span> :=<\/span> [<\/span>...<\/span>]<\/span> string<\/span>{<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n\t slice<\/span> :=<\/span> arr<\/span>[<\/span>0<\/span>:<\/span>2<\/span>]<\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>slice<\/span>)<\/span> \/\/=> [Golange Java]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u5207\u7247\u64cd\u4f5c\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u6240\u793a\u7684\u65b9\u6cd5\u3002
\n\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u662f Slice[start:end] \u7684\u4f8b\u5b50\u3002<\/p>\n
\n
\u64cd\u4f5c\u610f\u5473Slice[start:end]start \u304b\u3089 end – 1 \u307e\u3067Slice[start:]start \u304b\u3089\u6700\u5f8c\u5c3e\u307e\u3067Slice[:end]\u5148\u982d\u304b\u3089 end – 1 \u307e\u3067Slice[:]\u5148\u982d\u304b\u3089\u6700\u5f8c\u5c3e\u307e\u3067<\/div>\n<\/div>\n
\u5982\u679c\u8fdb\u884c\u5207\u7247\u64cd\u4f5c\uff0c\u5c06\u4e0e\u539f\u59cb\u6570\u7ec4\uff08\u6216\u5207\u7247\uff09\u5171\u4eab\u5143\u7d20\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u4fee\u6539\u5207\u7247\u7684\u5143\u7d20\u4f1a\u540c\u65f6\u4fee\u6539\u5176\u5bf9\u5e94\u7684\u539f\u6570\u7ec4\u7684\u5143\u7d20\u3002<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n     arr<\/span> :=<\/span> [<\/span>...<\/span>]<\/span> string<\/span>{<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n     slice<\/span> :=<\/span> arr<\/span>[<\/span>0<\/span>:<\/span>2<\/span>]<\/span> \/\/\u30b9\u30e9\u30a4\u30b9\u306e\u4f5c\u6210<\/span>\r\n     \r\n     slice<\/span>[<\/span>0<\/span>]<\/span> =<\/span> \"Ruby\"<\/span> \/\/slice[0]\u306e\u8981\u7d20\u3092\u5909\u66f4<\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>arr<\/span>)<\/span> \/\/=> [Ruby Java] \/\/arr\u306e\u8981\u7d20\u3082\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u4e8b\u3092\u78ba\u8a8d<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6dfb\u52a0\u8981\u7d20<\/h3>\n
\u5728Go\u8bed\u8a00\u4e2d\uff0c\u6570\u7ec4\u5728\u58f0\u660e\u65f6\u5176\u5143\u7d20\u7684\u6570\u91cf\u662f\u56fa\u5b9a\u7684\uff0c\u6240\u4ee5\u4e0d\u80fd\u8fdb\u884c\u5143\u7d20\u7684\u6dfb\u52a0\u3002\u5982\u679c\u60f3\u8981\u5728\u5207\u7247\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570append()\uff0c\u8fd9\u6837\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5b9e\u73b0\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cappend()\u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5207\u7247\u3002<\/p>\n
\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\uff0c\u5728\u539f\u6570\u7ec4\uff08\u5207\u7247\uff09\u7684\u672b\u5c3e\u6dfb\u52a0\u6307\u5b9a\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u66f4\u65b0\u540e\u7684\u503c\u3002<\/p>\n
newSlice<\/span> =<\/span> append<\/span>(<\/span>slice<\/span>,<\/span> \u8ffd\u52a0\u8981\u7d20<\/span>)<\/span>\r\n<\/code><\/pre>\n
func<\/span> main<\/span>(){<\/span>\r\n     slice<\/span> :=<\/span> []<\/span> string<\/span>{<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n     newSlice<\/span> :=<\/span> append<\/span>(<\/span>slice<\/span>,<\/span> \"Ruby\"<\/span>)<\/span> \/\/slice\u306b\"Ruby\"\u3092\u8ffd\u52a0<\/span>\r\n\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>newSlice<\/span>)<\/span> \/\/=> [Golang Java Ruby]<\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>slice<\/span>)<\/span> \/\/=> [Golang Java] \/\/\u5143\u306e\u5024\u306f\u5909\u308f\u3063\u3066\u3044\u306a\u3044\u3002<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5207\u7247\u7684\u957f\u5ea6\u548c\u5bb9\u91cf<\/h3>\n
\u5207\u7247\u5177\u6709\u957f\u5ea6\u548c\u5bb9\u91cf\u4e24\u4e2a\u5c5e\u6027\u3002<\/p>\n
\u9577\u3055(length) \u306f\u3001\u305d\u308c\u306b\u542b\u307e\u308c\u308b\u8981\u7d20\u306e\u6570\u3067\u3059\u3002<\/p>\n
\u5bb9\u91cf(capacity) \u306f\u3001\u30b9\u30e9\u30a4\u30b9\u306e\u6700\u521d\u306e\u8981\u7d20\u304b\u3089\u6570\u3048\u3066\u3001\u5143\u3068\u306a\u308b\u914d\u5217\u306e\u8981\u7d20\u6570\u3067\u3059\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528 len() \u548c cap() \u51fd\u6570\u6765\u83b7\u53d6\u5207\u7247\u7684\u957f\u5ea6\u548c\u5bb9\u91cf\u3002<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n    arr<\/span> :=<\/span> [<\/span>...<\/span>]<\/span> string<\/span>{<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n    slice<\/span> :=<\/span> arr<\/span>[<\/span>0<\/span>:<\/span>1<\/span>]<\/span>\r\n    \r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>slice<\/span>)<\/span> \/\/=> Golang\u3000<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>len<\/span>(<\/span>slice<\/span>))<\/span> \/\/=> 1 \/\/slice\u306e\u8981\u7d20\u6570\u306f\uff11\u3064\u306a\u306e\u30671\u3092\u8fd4\u3059\u3002<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>cap<\/span>(<\/span>slice<\/span>))<\/span> \/\/=> 2 \/\/slice\u306e\u751f\u6210\u5143\u306e\u8981\u7d20\u6570\u306f\uff12\u3064\u306a\u306e\u30672\u3092\u8fd4\u3059\u3002<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5207\u7247\u8d4b\u503c<\/h3>\n
\u5982\u679c\u5207\u7247\u7684\u7c7b\u578b\u5339\u914d\uff0c\u53ef\u4ee5\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c\u3002<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n     slice<\/span> :=<\/span> []<\/span> string<\/span>{<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n var<\/span> slice2<\/span> []<\/span>string<\/span> \/\/slice\u3068\u540c\u578bslice2\u3092\u4f5c\u6210<\/span>\r\n\t \r\n     slice2<\/span> =<\/span> slice<\/span> \/\/slice\u3092slice2\u306b\u4ee3\u5165<\/span>\r\n\t \r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>slice2<\/span>)<\/span> \/\/=> [Golange Java]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u901a\u8fc7`slice`\u6765\u8bbf\u95ee`slice2`\u6570\u7ec4\u672c\u8eab\u3002\u6b64\u5916\uff0c\u5982\u679c\u66f4\u6539`slice[0]`\u7684\u503c\uff0c`slice2`\u7684\u503c\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\u3002<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n     slice<\/span> :=<\/span> []<\/span> string<\/span>{<\/span>\"Golang\"<\/span>,<\/span> \"Java\"<\/span>}<\/span>\r\n var<\/span> slice2<\/span> []<\/span>string<\/span> \/\/slice\u3068\u540c\u578bslice2\u3092\u4f5c\u6210<\/span>\r\n\t \r\n     slice2<\/span> =<\/span> slice<\/span> \/\/slice\u3092slice2\u306b\u4ee3\u5165<\/span>\r\n     slice2<\/span>[<\/span>0<\/span>]<\/span> =<\/span> \"Ruby\"<\/span> \/\/slice2[0]\u306e\u5024\u3092\u5909\u66f4<\/span>\r\n\t \r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>slice2<\/span>)<\/span> \/\/=> [Ruby Java] <\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>slice<\/span>)<\/span> \/\/=> [Ruby Java] \/\/slice2\u3067\u306e\u5909\u66f4\u306b\u3088\u308aslice\u306e\u8981\u7d20\u3082\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u3002<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5207\u7247\u7684\u96f6\u503c<\/h3>\n
\u5207\u7247\u7684\u96f6\u503c\u662f nil\u3002
\nnil \u5207\u7247\u5177\u67090\u7684\u957f\u5ea6\u548c\u5bb9\u91cf\uff0c\u5e76\u4e14\u6ca1\u6709\u4efb\u4f55\u57fa\u7840\u6570\u7ec4\u3002<\/p>\n
func<\/span> main<\/span>()<\/span> {<\/span>\r\n\tvar<\/span> slice<\/span> []<\/span>int<\/span>\r\n\tfmt<\/span>.<\/span>Println<\/span>(<\/span>slice<\/span>,<\/span> len<\/span>(<\/span>slice<\/span>),<\/span> cap<\/span>(<\/span>slice<\/span>))<\/span> \/\/=> [] 0 0<\/span>\r\n\t\r\n\tif<\/span> slice<\/span> ==<\/span> nil<\/span> {<\/span>\r\n\t\tfmt<\/span>.<\/span>Println<\/span>(<\/span>\"nil!\"<\/span>)<\/span> \/\/=> nil! <\/span>\r\n\t\t\/\/slice\u306e\u5024\u304cnil\u306e\u5834\u5408\u306bnil!\u3092\u8868\u793a\u3059\u308b\u3002<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7528\u5d4c\u5165\u51fd\u6570make()\u521b\u5efa\u5207\u7247\u3002<\/h3>\n
\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 make() \u6765\u5b9a\u4e49\u5207\u7247\u3002<\/p>\n
make<\/span>([]<\/span>T<\/span>,<\/span> len<\/span>,<\/span> cap<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u4e0a\u8ff0\u7684make()\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570 []T \u8868\u793a\u7c7b\u578b\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570(len)\u8868\u793a\u957f\u5ea6\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570(cap)\u8868\u793a\u5bb9\u91cf\u3002<\/p>\n
func<\/span> main<\/span>()<\/span> {<\/span>\r\n     a<\/span> :=<\/span> make<\/span>([]<\/span>int<\/span>,<\/span>5<\/span>,<\/span> 5<\/span>)<\/span>\r\n     fmt<\/span>.<\/span>Println<\/span>(<\/span>a<\/span>)<\/span> \/\/=> [0 0 0 0 0]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u5f15\u7528\u4ee5\u4e0b\u5185\u5bb9\uff08\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff09<\/h1>\n
\u6211\u7684Go\u4e4b\u65c5\u2463
\n\u8f7b\u677e\u5b66\u4e60Go\u8bed\u8a00\u7f16\u7a0b\u5165\u95e8
\nGo\u57fa\u7840 | \u6570\u7ec4\u548c\u5207\u7247\u7684\u533a\u522b
\n\u7b2c\u4e00\u6b21\u5b66Go\u8bed\u8a00\uff08\u5207\u72471\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7b80\u8ff0 \u6211\u6309\u7167 A Tour of Go \u7684\u987a\u5e8f\u603b\u7ed3\u4e86\u6211\u4e2a\u4eba\u5728\u5b66\u4e60\u57fa\u672c Go \u8bed\u8a00\u65b9\u9762\u7684\u7ecf\u9a8c\u3002 No\u8a18\u4e8b1\u3010Go […]<\/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-44056","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u3010\u524d\u8fdb\u3011\u57fa\u672c\u6587\u6cd5\u2463\uff08\u6392\u5217\u30fb\u5207\u7247\uff09 - Blog - Silicon Cloud<\/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.silicloud.com\/zh\/blog\/\u3010\u524d\u8fdb\u3011\u57fa\u672c\u6587\u6cd5\u2463\uff08\u6392\u5217\u30fb\u5207\u7247\uff09\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010\u524d\u8fdb\u3011\u57fa\u672c\u6587\u6cd5\u2463\uff08\u6392\u5217\u30fb\u5207\u7247\uff09\" \/>\n<meta property=\"og:description\" content=\"\u7b80\u8ff0 \u6211\u6309\u7167 A Tour of Go \u7684\u987a\u5e8f\u603b\u7ed3\u4e86\u6211\u4e2a\u4eba\u5728\u5b66\u4e60\u57fa\u672c Go \u8bed\u8a00\u65b9\u9762\u7684\u7ecf\u9a8c\u3002 No\u8a18\u4e8b1\u3010Go […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010\u524d\u8fdb\u3011\u57fa\u672c\u6587\u6cd5\u2463\uff08\u6392\u5217\u30fb\u5207\u7247\uff09\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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