我正在尝试设置Access-Control-Allow-Origin to *在某个文件上。
这是我的 firebase.json 文件：
{
"database": {
"rules": "database.rules.json"
},
"hosting": {
"public": "public",
"rewrites": [
{
"source": "**",
"destination": "/index.html"
}
]
},
"headers": [ {
"source" : "bundle.js",
"headers" : [ {
"key" : "Access-Control-Allow-Origin",
"value" : "*"
} ]
}]
}
然而它永远不会被设置：https://curious-athlete-131013.firebaseapp.com/bundle.js https://curious-athlete-131013.firebaseapp.com/bundle.js
尝试将标头嵌套在托管下方，而不是作为它自己的顶级节点：
{
"database": {
"rules": "database.rules.json"
},
"hosting": {
"public": "public",
"rewrites": [{
"source": "**",
"destination": "/index.html"
}],
"headers": [{
"source" : "bundle.js",
"headers" : [{
"key" : "Access-Control-Allow-Origin",
"value" : "*"
}]
}]
}
}
“自定义、文件特定的标头可以通过定义标头部分来指定在托管内在 firebase.json 文件中：” -Firebase 文档 https://firebase.google.com/docs/hosting/url-redirects-rewrites
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