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[英]Unable to connect index.html in public folder with index.js in src folder
[英]read class in javascript script index.html public folder react js
我需要知道如何将 index.html 公共文件夹文件中的 javscript 脚本嵌入到反应组件中。 我已经在使用这种方法,但类仍未定义。
componentDidMount () {
this._loadScript('/library/es6-shim.js', false)
this._loadScript('/library/fingerprint.sdk.min.js', true)
this._loadScript('/library/websdk.client.bundle.min.js', false)
var script = document.createElement('script')
script.async = true
script.innerHTML = "this.sdk = new Fingerprint.WebApi;"
document.head.appendChild(script)
}
_loadScript = (src, type) => {
var tag = document.createElement('script');
tag.async = true;
tag.src = src;
document.head.appendChild(tag)
// tag.onload = () => this.scriptLoaded()
console.log('headers', document.head)
}
我需要在我的组件中读取新的 Fingerprint.WebApi 实例。
您应该加载所有三个库,然后您应该可以访问全局公开的Fingerprint
类。
componentDidMount() {
Promise.all([
this._loadScript('/library/es6-shim.js'),
this._loadScript('/library/fingerprint.sdk.min.js'),
this._loadScript('/library/websdk.client.bundle.min.js')
])).then(() => {
// Fingerprint should be available on the window.
console.log(window.Fingerprint);
const sdk = new window.Fingerprint.WebApi();
});
}
_loadScript = (src) => {
return new Promise((resolve, reject) => {
const script = document.createElement('script');
script.setAttribute('type', 'text/javascript');
script.setAttribute('async', 'true');
script.setAttribute('src', url);
script.onload = resolve;
script.onerror = reject;
document.head.appendChild(script);
});
}
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