{"id":208327,"date":"2025-07-08T17:42:15","date_gmt":"2025-07-08T09:42:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208327\/"},"modified":"2025-07-08T17:42:15","modified_gmt":"2025-07-08T09:42:15","slug":"%e6%98%af%e5%90%a6%e5%8f%af%e4%bb%a5%e4%bb%8e-js-%e6%98%be%e5%bc%8f%e8%b0%83%e7%94%a8%e5%af%bc%e5%87%ba%e7%9a%84-go-webassembly-%e5%87%bd%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208327\/","title":{"rendered":"\u662f\u5426\u53ef\u4ee5\u4ece JS \u663e\u5f0f\u8c03\u7528\u5bfc\u51fa\u7684 Go WebAssembly \u51fd\u6570\uff1f"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u662f\u5426\u53ef\u4ee5\u4ece JS \u663e\u5f0f\u8c03\u7528\u5bfc\u51fa\u7684 Go WebAssembly \u51fd\u6570\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-05-01 20:18:36<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u76ee\u524d\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8eGolang<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300a\u662f\u5426\u53ef\u4ee5\u4ece JS \u663e\u5f0f\u8c03\u7528\u5bfc\u51fa\u7684 Go WebAssembly \u51fd\u6570\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60Golang<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

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

\u662f\u5426\u53ef\u4ee5\u5728 javascript \u4e2d\u8c03\u7528\u9664 main<\/code> \u4e4b\u5916\u7684 go webassembly \u51fd\u6570\uff1f<\/strong><\/p>\n

\u9996\u5148\u8ba9\u6211\u5c55\u793a\u4e00\u4e0b\u6211\u505a\u4e86\u4ec0\u4e48\u3002\u6211\u7684go\u51fd\u6570\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n

package main\n\nimport \"fmt\"\n\nfunc main() {\n    fmt.println(\"it works!\")\n}\n\nfunc add(a, b int) int {\n    return a + b\n}\n<\/pre>\n
\u6211\u53ea\u80fd\u8c03\u7528 main<\/code> \u51fd\u6570\uff1a<\/p>\n
const go = new Go();\n\nconst data   = await fetch(\"http:\/\/localhost:3333\/main.wasm\");\nconst result = await WebAssembly.instantiateStreaming(data, go.importObject);\n\ngo.run(result.instance);\n<\/pre>\n
\u8fd4\u56de it \u6709\u6548\uff01<\/code> \u6b63\u5982\u9884\u671f\u7684\u90a3\u6837\u3002<\/p>\n
\u4f46\u662f\uff0c\u6bcf\u5f53\u6211\u5c1d\u8bd5\u8c03\u7528 add<\/code> \u51fd\u6570\u65f6\uff0c\u6211\u90fd\u4f1a\u6536\u5230 typeerror: cannot read property 'add' of undefined at welcome.getwasm<\/code>\uff0c\u56e0\u4e3a result.exports<\/code>\u3001result.instance.exports<\/code> \u90fd\u4e0d\u5305\u542b\u6211\u7684\u51fd\u6570\u3002\u6211\u4e5f\u5c1d\u8bd5\u8fc7go\u51fd\u6570\u5927\u5199\uff0c\u4f46\u6ca1\u6709\u6210\u529f\u3002<\/p>\n
\u56e0\u6b64\uff0c\u6211\u5f00\u59cb\u60f3\u77e5\u9053\u53ef\u80fd\u51fa\u73b0\u4ec0\u4e48\u95ee\u9898 – \u662f\u5426\u53ef\u4ee5\u4ece javascript \u8c03\u7528\u968f\u673a go \u51fd\u6570\uff1f<\/strong>\u6216\u8005\u6211\u53ea\u80fd\u8c03\u7528\u9ed8\u8ba4\u7684 main()<\/code> \u51fd\u6570\u5417\uff1f<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u662f\u7684\uff0c\u8fd9\u662f\u53ef\u80fd\u7684\u3002\u60a8\u53ef\u4ee5\u5c06\u51fd\u6570\u201c\u5bfc\u51fa\u201d\u5230\u5168\u5c40\u4e0a\u4e0b\u6587\uff08\u5373\u6d4f\u89c8\u5668\u4e2d\u7684\u7a97\u53e3\uff0cnodejs \u4e2d\u7684\u5168\u5c40\uff09\uff1a<\/p>\n
js.global().set(\"add\", js.funcof(addfunction))<\/pre>\n
\u5176\u4e2d\u201cadd\u201d\u662f\u53ef\u7528\u4e8e\u4ece javascript \u8c03\u7528\u51fd\u6570\u7684\u540d\u79f0 (window.add)\uff0c\u201caddfunction\u201d\u662f go \u4ee3\u7801\u4e2d\u7684 go \u51fd\u6570\uff0c\u4f4d\u4e8e main \u65c1\u8fb9\u3002<\/p>\n
\u8bf7\u6ce8\u610f\uff0c\u201caddfunction\u201d\u5fc5\u987b\u9075\u5faa\u8be5\u65b9\u6cd5\u7b7e\u540d\uff1a<\/p>\n
package main\n\nimport (\n    \"syscall\/js\"\n)\n\nfunc addfunction(this js.value, p []js.value) interface{} {\n    sum := p[0].int() + p[1].int()\n    return js.valueof(sum)\n}\n\nfunc main() {\n    c := make(chan struct{}, 0)\n\n    js.global().set(\"add\", js.funcof(addfunction))\n\n    <-c\n}<\/pre>\n
\u5728\u201cgo.run(result.instance);\u201d\u4e4b\u540e\u4f60\u53ef\u4ee5\u8fd0\u884c\u3002<\/p>\n
go.run(result.instance);\nadd(100,200);<\/pre>\n
\u672c\u7bc7\u5173\u4e8e\u300a\u662f\u5426\u53ef\u4ee5\u4ece JS \u663e\u5f0f\u8c03\u7528\u5bfc\u51fa\u7684 Go WebAssembly \u51fd\u6570\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\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-208327","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208327","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=208327"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208327\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}