Angular 2 个应用程序未在 Chrome 中加载 - 卡在加载中... - 在 Java Spring 中编写的后端
Angular 2 app not loading in Chrome - Stuck at loading... - Backend written in Java Spring
我是 angular2 的新手,需要帮助。我正在开发一个 angular2 应用程序,它的后端是用 Java Spring 编写的。该应用程序之前运行良好。我没有更改任何代码,但现在当我在 chrome 中加载它时,它卡在加载中......我检查了控制台但没有错误。如果我尝试在 firefox 或 safari 中打开它,它会完美加载,但在 firefox 中我无法提交表单(可能是兼容性问题?)。
该应用程序是在 "angular2": "2.0beta.0-.14" 中编写的。随着 Angular2 RC5 已经发布,代码是否过时了?
我是否必须更改代码?
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>BMIS</title>
<base href="/">
<!-- Angular JS -->
<!-- 1. Load libraries -->
<!-- IE required polyfills, in this exact order -->
<script src="node_modules/es6-shim/es6-shim.min.js"></script>
<script src="node_modules/systemjs/dist/system-polyfills.js"></script>
<script src="node_modules/angular2/es6/dev/src/testing/shims_for_IE.js"></script>
<script src="node_modules/angular2/bundles/angular2-polyfills.js"></script>
<script src="node_modules/systemjs/dist/system.src.js"></script>
<script src="node_modules/rxjs/bundles/Rx.js"></script>
<script src="node_modules/angular2/bundles/angular2.dev.js"></script>
<script src="node_modules/angular2/bundles/http.dev.js"></script>
<script src="node_modules/angular2/bundles/router.dev.js"></script>
<!-- 2. Configure SystemJS -->
<script>
System.config({
packages: {
app: {
format: 'register',
defaultExtension: 'js',
}
},
map: {
"angular2-jwt": "node_modules/angular2-jwt/angular2-jwt.js"
}
});
System.import('app/main')
.then(null, console.error.bind(console));
</script>
<!-- Angular JS -->
<!-- Bootstrap -->
<link href="assets/css/bootstrap.min.css" rel="stylesheet" />
<link href="assets/css/custom.css" rel="stylesheet" />
<!-- Bootstrap -->
<!-- Timeline css -->
<link href="assets/css/timeline.min.css" rel="stylesheet" />
<!-- Timeline css -->
<!-- Navigation -->
<link href="assets/css/navbar.css" rel="stylesheet" />
<script src="assets/js/navbar.js" type="text/javascript"></script>
<!-- Navigation -->
<!-- Font Awesome -->
<link rel="stylesheet" href="assets/css/font-awesome.min.css">
<!-- Font Awesome -->
</head>
<body>
<app>Loading...</app>
</body>
</html>
package.json
{
"name": "abcd",
"version": "1.0.0",
"scripts": {
"start": "concurrently \"npm run tsc:w\" \"npm run lite\" ",
"tsc": "tsc",
"tsc:w": "tsc -w",
"lite": "lite-server",
"typings": "typings",
"postinstall": "typings install"
},
"license": "ISC",
"dependencies": {
"angular2": "2.0beta.0-.14",
"es6-promise": "^3.0.2",
"es6-shim": "^0.35.0",
"ng2-radio-group": "0.0.2",
"reflect-metadata": "0.1.2",
"rxjs": "5.0.0-beta.2",
"systemjs": "0.19.24",
"zone.js": "0.6.10"
},
"devDependencies": {
"concurrently": "^2.0.0",
"lite-server": "^2.1.0",
"typescript": "^1.8.9",
"typings": "^0.7.9"
}
}
您必须遵循升级路径。第一步是检查 RC1 的升级路径:
如果您没有routing
,升级应该不是问题
下一步将升级到 RC5。主要的重大变化是使用 NgModules
进行引导。检查 https://angular.io/docs/ts/latest/cookbook/rc4-to-rc5.html 了解具体步骤。
我是 angular2 的新手,需要帮助。我正在开发一个 angular2 应用程序,它的后端是用 Java Spring 编写的。该应用程序之前运行良好。我没有更改任何代码,但现在当我在 chrome 中加载它时,它卡在加载中......我检查了控制台但没有错误。如果我尝试在 firefox 或 safari 中打开它,它会完美加载,但在 firefox 中我无法提交表单(可能是兼容性问题?)。
该应用程序是在 "angular2": "2.0beta.0-.14" 中编写的。随着 Angular2 RC5 已经发布,代码是否过时了? 我是否必须更改代码?
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>BMIS</title>
<base href="/">
<!-- Angular JS -->
<!-- 1. Load libraries -->
<!-- IE required polyfills, in this exact order -->
<script src="node_modules/es6-shim/es6-shim.min.js"></script>
<script src="node_modules/systemjs/dist/system-polyfills.js"></script>
<script src="node_modules/angular2/es6/dev/src/testing/shims_for_IE.js"></script>
<script src="node_modules/angular2/bundles/angular2-polyfills.js"></script>
<script src="node_modules/systemjs/dist/system.src.js"></script>
<script src="node_modules/rxjs/bundles/Rx.js"></script>
<script src="node_modules/angular2/bundles/angular2.dev.js"></script>
<script src="node_modules/angular2/bundles/http.dev.js"></script>
<script src="node_modules/angular2/bundles/router.dev.js"></script>
<!-- 2. Configure SystemJS -->
<script>
System.config({
packages: {
app: {
format: 'register',
defaultExtension: 'js',
}
},
map: {
"angular2-jwt": "node_modules/angular2-jwt/angular2-jwt.js"
}
});
System.import('app/main')
.then(null, console.error.bind(console));
</script>
<!-- Angular JS -->
<!-- Bootstrap -->
<link href="assets/css/bootstrap.min.css" rel="stylesheet" />
<link href="assets/css/custom.css" rel="stylesheet" />
<!-- Bootstrap -->
<!-- Timeline css -->
<link href="assets/css/timeline.min.css" rel="stylesheet" />
<!-- Timeline css -->
<!-- Navigation -->
<link href="assets/css/navbar.css" rel="stylesheet" />
<script src="assets/js/navbar.js" type="text/javascript"></script>
<!-- Navigation -->
<!-- Font Awesome -->
<link rel="stylesheet" href="assets/css/font-awesome.min.css">
<!-- Font Awesome -->
</head>
<body>
<app>Loading...</app>
</body>
</html>
package.json
{
"name": "abcd",
"version": "1.0.0",
"scripts": {
"start": "concurrently \"npm run tsc:w\" \"npm run lite\" ",
"tsc": "tsc",
"tsc:w": "tsc -w",
"lite": "lite-server",
"typings": "typings",
"postinstall": "typings install"
},
"license": "ISC",
"dependencies": {
"angular2": "2.0beta.0-.14",
"es6-promise": "^3.0.2",
"es6-shim": "^0.35.0",
"ng2-radio-group": "0.0.2",
"reflect-metadata": "0.1.2",
"rxjs": "5.0.0-beta.2",
"systemjs": "0.19.24",
"zone.js": "0.6.10"
},
"devDependencies": {
"concurrently": "^2.0.0",
"lite-server": "^2.1.0",
"typescript": "^1.8.9",
"typings": "^0.7.9"
}
}
您必须遵循升级路径。第一步是检查 RC1 的升级路径:
如果您没有routing
下一步将升级到 RC5。主要的重大变化是使用 NgModules
进行引导。检查 https://angular.io/docs/ts/latest/cookbook/rc4-to-rc5.html 了解具体步骤。