{"id":208263,"date":"2025-07-08T15:37:03","date_gmt":"2025-07-08T07:37:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208263\/"},"modified":"2025-07-08T15:37:03","modified_gmt":"2025-07-08T07:37:03","slug":"golang-%e7%9a%84%e8%8c%83%e5%9b%b4%e4%b8%8e%e9%9d%99%e6%80%81%e9%80%9a%e9%81%93%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208263\/","title":{"rendered":"golang \u7684\u8303\u56f4\u4e0e\u9759\u6001\u901a\u9053\u957f\u5ea6"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> golang \u7684\u8303\u56f4\u4e0e\u9759\u6001\u901a\u9053\u957f\u5ea6<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-30 22:30:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300agolang \u7684\u8303\u56f4\u4e0e\u9759\u6001\u901a\u9053\u957f\u5ea6\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6709\u4e00\u4e2a\u901a\u9053\u83b7\u53d6\u4ece\u65e5\u5fd7\u6587\u4ef6\u89e3\u6790\u7684\u4e8b\u4ef6\uff0c\u53e6\u4e00\u4e2a\u901a\u9053\u7528\u4e8e\u540c\u6b65\u3002\u6211\u7684\u6d4b\u8bd5\u5171\u6709 8 \u4e2a\u4e8b\u4ef6\u3002<\/p>\n

\u5f53\u4f7f\u7528 for range<\/code> \u8bed\u6cd5\u65f6\uff0c\u6211\u6536\u5230 4 \u4e2a\u4e8b\u4ef6\u3002\u5f53\u4f7f\u7528\u5df2\u77e5\u6570\u5b57\uff088\uff09\u65f6\uff0c\u6211\u53ef\u4ee5\u5f97\u5230\u6240\u6709\u5b83\u4eec\u3002<\/p>\n

func TestParserManyOpinit(t *testing.T) {\n    ch := make(chan event.Event, 1000)\n    done := make(chan bool)\n    go parser.Parse(\".\/test_data\/many_opinit\", ch, done)\n    count := 0\n    exp := 8\n    evtList := []event.Event{}\n\n    <-done\n    close(ch)\n    \/\/This gets all the events\n    for i := 0; i < 8; i++ {\n            evtList = append(evtList, <-ch)\n            count++\n    }\n\n    \/\/This only gives me four\n    \/\/for range ch {\n    \/\/        evtList = append(evtList, <-ch)\n    \/\/        count++\n    \/\/}\n\n    if count != exp || count != len(evtList) {\n            t.Errorf(\"Not proper lenght, got %d, exp %d, evtList %d\", count, exp, len(evtList))\n    }\n\nfunc Parse(filePath string, evtChan chan event.Event, done chan bool) {\n    log.Info(fmt.Sprintf(\"(thread) Parsing file %s\", filePath))\n    file, err := os.Open(filePath)\n    defer file.Close()\n\n    if err != nil {\n            log.Error(\"Cannot read file \" + filePath)\n    }\n    count := 0\n    scan := bufio.NewScanner(file)\n    scan.Split(splitFunc)\n    scan.Scan() \/\/Skip log file header\n\n    for scan.Scan() {\n            text := scan.Text()\n            text = strings.Trim(text, \"\\n\")\n            splitEvt := strings.Split(text, \"\\n\")\n            \/\/ Some parsing ...\n            count++\n            evtChan <- evt\n    }\n\n    fmt.Println(\"Done \", count) \/\/ gives 8\n    done <- true\n}<\/pre>\n
\u6211\u4e00\u5b9a\u9519\u8fc7\u4e86\u4e0e\u901a\u9053\u4e0a\u7684 for \u5faa\u73af\u76f8\u5173\u7684\u5185\u5bb9\u3002<\/p>\n
\u6211\u5c1d\u8bd5\u5728 done <- true<\/code> \u90e8\u5206\u4e4b\u524d\u6dfb\u52a0 time.sleep<\/code> \u3002\u5b83\u6ca1\u6709\u6539\u53d8\u7ed3\u679c\u3002<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5f53\u60a8\u4f7f\u7528  \u4f5c\u4e3a range<\/code> \u65f6\uff0c\u6bcf\u6b21\u5faa\u73af\u8fed\u4ee3\u90fd\u4f1a\u4ece\u901a\u9053\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5e76\u4e14\u60a8\u4e0d\u4f1a\u4f7f\u7528\u8bfb\u53d6\u7684\u503c\u3002\u56e0\u6b64\uff0c\u4e00\u534a\u7684\u503c\u88ab\u4e22\u5f03\u3002\u5e94\u8be5\u662f\uff1a<\/p>\n
for ev := range ch {\n        evtList = append(evtList, ev)\n        count++\n}<\/pre>\n
\u4e3a\u4e86\u5b9e\u9645\u5229\u7528\u5faa\u73af\u8fed\u4ee3\u5668\u4e2d\u8bfb\u53d6\u7684\u503c\u3002<\/p>\n
\u901a\u9053\u6d4b\u8ddd\u5728 \u4e2d\u8fdb\u884c\u4e86\u6f14\u793a\uff0c\u5728 \u4e2d\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300agolang \u7684\u8303\u56f4\u4e0e\u9759\u6001\u901a\u9053\u957f\u5ea6\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208263","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208263"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208263\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}