例外:错误:未捕获(承诺中):预期“样式"为字符串数组 [英] EXCEPTION: Error: Uncaught (in promise): Expected 'styles' to be an array of strings

问题描述

我正在研究angular2"2.0.0-rc.1" 但是zoneJS出现以下错误

I'm working on angular2 "2.0.0-rc.1" But zoneJS is giving following error

Error: Uncaught (in promise): Expected 'styles' to be an array of strings.
    at resolvePromise (zone.js:538)
    at zone.js:515
    at ZoneDelegate.invoke (zone.js:323)
    at Object.NgZoneImpl.inner.inner.fork.onInvoke (eval at <anonymous> (vendor.js:335), <anonymous>:45:41)
    at ZoneDelegate.invoke (zone.js:322)
    at Zone.run (zone.js:216)
    at zone.js:571
    at ZoneDelegate.invokeTask (zone.js:356)
    at Object.NgZoneImpl.inner.inner.fork.onInvokeTask (eval at <anonymous> (vendor.js:335), <anonymous>:36:41)
    at ZoneDelegate.invokeTask (zone.js:355)

我的代码如下

let styles   = require('./dashboard.css');
let template = require('./dashboard.html');
declare var zingchart:any;

@Component({
  selector: 'dashboard',
  directives: [ RouterLink, CORE_DIRECTIVES, FORM_DIRECTIVES ],
  template: template,
  styles: [ styles ]
})

推荐答案

尝试一下: let styles = String(require('./dashboard.css'));

Try this: let styles = String(require('./dashboard.css'));

对我有用. 由于样式需要一个string []，因此请将样式解析为String().

It work for me. Since styles required a string[], parse styles to String().

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