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当启用跨源资源共享时，我的应用程序需要8-9秒才能加载。当其禁用需要1-2秒。我真的很新。任何想法可能是主要问题？如何加快速度？由于该应用程序现在没有提出任何数据请求，因此该项目处于非常早期的阶段，并且这个项目还需要8秒。Angular 2初始加载速度慢
这里是我的index.html
<!DOCTYPE html>
<html>
<head>
<script src="https://unpkg.com/[email protected]/dist/zone.js"></script>
<script src="https://unpkg.com/[email protected]/Reflect.js"></script>
<script src="https://unpkg.com/[email protected]/dist/system.js"></script>
<script src="config.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script>
System.import('app/js/bootstrap')
.catch(console.error.bind(console));
</script>
<script src="app/js/xml2json.js"></script>
<script src="app/js/div.js"></script>
<script src="app/js/divY.js"></script>
<style>
body,html{width:100%;height:100%;padding:5px;margin:0;}
</style>
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="//cdn.jsdelivr.net/interact.js/1.2.6/interact.min.js"></script>
</head>
<body>
<app>
loading...
</app>
</body>
</html>
这里是我的config.js
System.config({
//use typescript for compilation
transpiler: 'typescript',
//typescript compiler options
typescriptOptions: {
emitDecoratorMetadata: true
},
paths: {
'npm:': 'https://unpkg.com/'
},
//map tells the System loader where to look for things
map: {
'app': "./app",
'ng2-translate': 'npm:ng2-translate',
'@angular/core': 'npm:@angular/core/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
'@angular/http': 'npm:@angular/http/bundles/http.umd.js',
'@angular/router': 'npm:@angular/router/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
'@angular/core/testing': 'npm:@angular/core/bundles/core-testing.umd.js',
'@angular/common/testing': 'npm:@angular/common/bundles/common-testing.umd.js',
'@angular/compiler/testing': 'npm:@angular/compiler/bundles/compiler-testing.umd.js',
'@angular/platform-browser/testing': 'npm:@angular/platform-browser/bundles/platform-browser-testing.umd.js',
'@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic-testing.umd.js',
'@angular/http/testing': 'npm:@angular/http/bundles/http-testing.umd.js',
'@angular/router/testing': 'npm:@angular/router/bundles/router-testing.umd.js',
'rxjs': 'npm:rxjs',
'typescript': 'npm:[email protected]/lib/typescript.js'
},
//packages defines our app package
packages: {
app: {
main: './bootstrap.ts',
defaultExtension: 'js'
},
rxjs: {
defaultExtension: 'js'
},
'ng2-translate': {
defaultExtension: 'js'
}
}
});
检查您的文件夹和您的路由。你是否存储在应用程序/ js中...你的选择器是否正确？ （app） –
你正在导入整个rxjs库吗你需要rxjs中的所有类吗？ –
，这有很大的帮助。现在我看到很多来自zone.js的请求。 – emar