# Go embed \u6392\u9664\u4e0b\u5212\u7ebf\u5f00\u5934\u6587\u4ef6\u5bfc\u81f4\u524d\u7aef\u52a8\u6001\u8def\u7531\u6a21\u5757\u52a0\u8f7d\u5931\u8d25<\/p>\n
## \u95ee\u9898\u73b0\u8c61<\/p>\n
\u5728\u751f\u4ea7\u73af\u5883\u90e8\u7f72\u540e\uff0c\u8bbf\u95ee\u524d\u7aef\u52a8\u6001\u8def\u7531\u9875\u9762\uff08\u5982 `\/admin\/packages\/123` \u7f16\u8f91\u9875\u9762\uff09\u65f6\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n
“`
\nTypeError: Failed to fetch dynamically imported module:
\nhttp:\/\/example.com\/assets\/_id_-B9QlF12P.js
\n“`<\/p>\n
\u6d4f\u89c8\u5668\u8bf7\u6c42\u8be5 JS \u6587\u4ef6\u8fd4\u56de 404\uff0c\u4f46\u670d\u52a1\u5668\u4e0a\u7684\u6784\u5efa\u4ea7\u7269\u4e2d\u786e\u5b9e\u5b58\u5728\u8be5\u6587\u4ef6\u3002<\/p>\n
## \u95ee\u9898\u5206\u6790<\/p>\n
### 1. \u521d\u6b65\u6392\u67e5<\/p>\n
\u9996\u5148\u6000\u7591\u662f CDN \u7f13\u5b58\u95ee\u9898\uff0c\u4f46\u7ed5\u8fc7 CDN \u76f4\u63a5\u8bbf\u95ee\u670d\u52a1\u5668 IP \u4ecd\u7136\u62a5\u9519\uff0c\u6392\u9664\u7f13\u5b58\u56e0\u7d20\u3002<\/p>\n
### 2. \u68c0\u67e5 Docker \u6784\u5efa\u6d41\u7a0b<\/p>\n
\u9879\u76ee\u7684 Dockerfile \u4f7f\u7528\u591a\u9636\u6bb5\u6784\u5efa\uff0c\u524d\u7aef\u6784\u5efa\u4ea7\u7269\u88ab\u5d4c\u5165\u5230 Go \u4e8c\u8fdb\u5236\u4e2d\uff1a<\/p>\n
“`dockerfile
\n# \u9636\u6bb51: \u6784\u5efa\u524d\u7aef
\nFROM node:22-alpine AS frontend-builder
\nWORKDIR \/app\/frontend
\nCOPY frontend-new\/package.json frontend-new\/pnpm-lock.yaml .\/
\nRUN npm install -g pnpm && pnpm install –frozen-lockfile
\nCOPY frontend-new\/ .
\nRUN pnpm build<\/p>\n
# \u9636\u6bb52: \u6784\u5efa\u540e\u7aef
\nFROM golang:1.21-alpine AS backend-builder
\nWORKDIR \/app
\nCOPY backend\/ .
\nCOPY –from=frontend-builder \/app\/frontend\/dist .\/cmd\/embedded\/dist
\nRUN go build -o main .\/cmd\/main.go
\n“`<\/p>\n
CI \u6784\u5efa\u6210\u529f\uff0c\u955c\u50cf\u4e5f\u66f4\u65b0\u4e86\uff0c\u4f46\u95ee\u9898\u4f9d\u7136\u5b58\u5728\u3002<\/p>\n
### 3. \u68c0\u67e5\u9759\u6001\u6587\u4ef6\u670d\u52a1\u4ee3\u7801<\/p>\n
Go \u540e\u7aef\u4f7f\u7528 `embed.FS` \u5d4c\u5165\u524d\u7aef\u6587\u4ef6\uff1a<\/p>\n
“`go
\n\/\/go:embed embedded\/dist
\nvar embeddedFiles embed.FS<\/p>\n
func setupEmbeddedFrontend(r *gin.Engine) {
\ndistFS, _ := fs.Sub(embeddedFiles, “embedded\/dist”)<\/p>\n
r.GET(“\/assets\/*filepath”, func(c *gin.Context) {
\nfilepath := strings.TrimPrefix(c.Request.URL.Path, “\/”)
\nc.FileFromFS(filepath, http.FS(distFS))
\n})
\n}
\n“`<\/p>\n
\u4ee3\u7801\u903b\u8f91\u6b63\u786e\uff0c\u8def\u5f84\u5904\u7406\u4e5f\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n
### 4. \u5b9a\u4f4d\u771f\u6b63\u539f\u56e0<\/p>\n
\u7f16\u5199\u6d4b\u8bd5\u4ee3\u7801\u9a8c\u8bc1 embed \u662f\u5426\u6b63\u786e\u52a0\u8f7d\u6587\u4ef6\uff1a<\/p>\n
“`go
\n\/\/go:embed embedded\/dist
\nvar embeddedFiles embed.FS<\/p>\n
func main() {
\ndistFS, _ := fs.Sub(embeddedFiles, “embedded\/dist”)<\/p>\n
\/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728
\ntestFiles := []string{
\n“assets\/index-YeatH9nV.js”, \/\/ \u6b63\u5e38\u6587\u4ef6
\n“assets\/_id_-B_t0u3n5.js”, \/\/ \u4e0b\u5212\u7ebf\u5f00\u5934\u6587\u4ef6
\n}<\/p>\n
for _, f := range testFiles {
\n_, err := fs.Stat(distFS, f)
\nfmt.Printf(“%s: %v\\n”, f, err == nil)
\n}
\n}
\n“`<\/p>\n
\u7ed3\u679c\uff1a<\/p>\n
“`
\nassets\/index-YeatH9nV.js: true
\nassets\/_id_-B_t0u3n5.js: false \u2190 \u95ee\u9898\uff01
\n“`<\/p>\n
**\u7ed3\u8bba\uff1aGo embed \u6392\u9664\u4e86\u4ee5 `_` \u5f00\u5934\u7684\u6587\u4ef6\uff01**<\/p>\n
## \u6839\u672c\u539f\u56e0<\/p>\n
Go \u7684 `\/\/go:embed` \u6307\u4ee4\u9075\u5faa Go \u5de5\u5177\u7684\u9ed8\u8ba4\u884c\u4e3a\uff1a**\u6392\u9664\u4ee5 `_` \u6216 `.` \u5f00\u5934\u7684\u6587\u4ef6\u548c\u76ee\u5f55**\u3002<\/p>\n
\u8fd9\u662f Go \u6a21\u5757\u7cfb\u7edf\u7684\u8bbe\u8ba1\u51b3\u5b9a\uff0c\u7c7b\u4f3c\u4e8e\uff1a
\n– `_test.go` \u6587\u4ef6\u88ab\u6392\u9664\u5728\u6b63\u5e38\u7f16\u8bd1\u4e4b\u5916
\n– `.git`\u3001`.github` \u7b49\u9690\u85cf\u76ee\u5f55\u88ab\u5ffd\u7565<\/p>\n
\u800c Vite \u6784\u5efa\u52a8\u6001\u8def\u7531\u65f6\uff0c\u751f\u6210\u7684 chunk \u6587\u4ef6\u540d\u683c\u5f0f\u4e3a `_id_-xxxx.js`\uff08`_id_` \u6765\u81ea\u8def\u7531\u53c2\u6570 `[id].vue\uff09\uff0c\u6070\u597d\u4ee5\u4e0b\u5212\u7ebf\u5f00\u5934\uff0c\u5bfc\u81f4\u8fd9\u4e9b\u6587\u4ef6\u88ab Go embed \u9759\u9ed8\u6392\u9664\u3002<\/p>\n
## \u89e3\u51b3\u65b9\u6848<\/p>\n
\u4f7f\u7528 `all:` \u524d\u7f00\u544a\u8bc9 embed \u5305\u542b\u6240\u6709\u6587\u4ef6\uff1a<\/p>\n
“`go
\n\/\/go:embed all:embedded\/dist
\nvar embeddedFiles embed.FS
\n“`<\/p>\n
`all:` \u524d\u7f00\u4f1a\u5305\u542b\u6240\u6709\u6587\u4ef6\uff0c\u5305\u62ec\u4ee5 `_` \u6216 `.` \u5f00\u5934\u7684\u6587\u4ef6\u3002<\/p>\n
### \u9a8c\u8bc1\u4fee\u590d<\/p>\n
“`go
\n\/\/go:embed all:embedded\/dist
\nvar embeddedFiles embed.FS<\/p>\n
func main() {
\ndistFS, _ := fs.Sub(embeddedFiles, “embedded\/dist”)<\/p>\n
testFiles := []string{
\n“assets\/_id_-B_t0u3n5.js”,
\n“assets\/index-YeatH9nV.js”,
\n}<\/p>\n
for _, f := range testFiles {
\nstat, err := fs.Stat(distFS, f)
\nif err != nil {
\nfmt.Printf(“%s: NOT FOUND\\n”, f)
\n} else {
\nfmt.Printf(“%s: EXISTS (%d bytes)\\n”, f, stat.Size())
\n}
\n}
\n}
\n“`<\/p>\n
\u7ed3\u679c\uff1a<\/p>\n
“`
\nassets\/_id_-B_t0u3n5.js: EXISTS (23621 bytes) \u2713
\nassets\/index-YeatH9nV.js: EXISTS (526425 bytes) \u2713
\n“`<\/p>\n
## \u6700\u4f73\u5b9e\u8df5<\/p>\n
1. **\u4f7f\u7528 `all:` \u524d\u7f00**\uff1a\u5f53\u5d4c\u5165\u76ee\u5f55\u53ef\u80fd\u5305\u542b\u7279\u6b8a\u547d\u540d\u7684\u6587\u4ef6\u65f6\uff0c\u4f7f\u7528 `all:` \u524d\u7f00<\/p>\n
“`go
\n\/\/go:embed all:static
\nvar staticFiles embed.FS
\n“`<\/p>\n
2. **\u6dfb\u52a0\u6784\u5efa\u9a8c\u8bc1**\uff1a\u5728 CI\/CD \u4e2d\u6dfb\u52a0\u9a8c\u8bc1\u6b65\u9aa4\uff0c\u786e\u4fdd\u5173\u952e\u6587\u4ef6\u88ab\u6b63\u786e\u5d4c\u5165<\/p>\n
“`go
\n\/\/ \u6784\u5efa\u540e\u9a8c\u8bc1
\nfunc verifyEmbeddedFiles() error {
\nrequired := []string{“assets\/_id_”}
\nfor _, prefix := range required {
\nmatches, _ := fs.Glob(distFS, prefix+”*”)
\nif len(matches) == 0 {
\nreturn fmt.Errorf(“no files matching %s found in embed”, prefix)
\n}
\n}
\nreturn nil
\n}
\n“`<\/p>\n
3. **\u6dfb\u52a0\u6587\u6863\u6ce8\u91ca**\uff1a\u63d0\u9192\u7ef4\u62a4\u8005\u4e0d\u8981\u4fee\u6539 embed \u6307\u4ee4<\/p>\n
“`go
\n\/\/ \u524d\u7aef\u9759\u6001\u6587\u4ef6\u5d4c\u5165
\n\/\/ \u6ce8\u610f\uff1a\u5fc5\u987b\u4f7f\u7528 all: \u524d\u7f00\uff0c\u5426\u5219\u4f1a\u6392\u9664\u4ee5 _ \u5f00\u5934\u7684\u6587\u4ef6
\n\/\/ Vite \u52a8\u6001\u8def\u7531\u751f\u6210\u7684 chunk \u6587\u4ef6\u540d\u683c\u5f0f\u4e3a _id_-xxx.js
\n\/\/go:embed all:embedded\/dist
\nvar embeddedFiles embed.FS
\n“`<\/p>\n
## \u53c2\u8003<\/p>\n
– [Go embed \u6587\u6863](https:\/\/pkg.go.dev\/embed)
\n– [Go \u6a21\u5757\u6587\u4ef6\u6392\u9664\u89c4\u5219](https:\/\/go.dev\/cmd\/go\/#hdr-Package_lists_and_patterns)<\/p>\n","protected":false},"excerpt":{"rendered":"
# Go embed \u6392\u9664\u4e0b\u5212\u7ebf\u5f00\u5934\u6587\u4ef6\u5bfc\u81f4\u524d\u7aef\u52a8\u6001\u8def\u7531\u6a21\u5757\u52a0\u8f7d\u5931\u8d25 ## \u95ee\u9898\u73b0\u8c61 \u5728\u751f\u4ea7\u73af\u5883\u90e8\u7f72\u540e\uff0c\u8bbf\u95ee\u524d\u7aef\u52a8\u6001\u8def\u7531\u9875\u9762\uff08\u5982 `\/admin\/packages\/123` \u7f16\u8f91\u9875\u9762\uff09\u65f6\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a “` TypeError: Failed to fetch dynamically imported module: http:\/\/example.com\/assets\/_id_-B9Q […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-55","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/161777.xyz\/index.php?rest_route=\/wp\/v2\/posts\/55","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/161777.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/161777.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/161777.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/161777.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=55"}],"version-history":[{"count":3,"href":"https:\/\/161777.xyz\/index.php?rest_route=\/wp\/v2\/posts\/55\/revisions"}],"predecessor-version":[{"id":58,"href":"https:\/\/161777.xyz\/index.php?rest_route=\/wp\/v2\/posts\/55\/revisions\/58"}],"wp:attachment":[{"href":"https:\/\/161777.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=55"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/161777.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=55"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/161777.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}