当angular 引用外部的url 有时候会报错,比如在iframe 中嵌入了外部url
通用一点的做法是新建一个pipe 用来让url 变为安全 。
代码如下
Safe.pipe.ts
import { Pipe, PipeTransform } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
@Pipe({
name: 'safe'
})
export class SafePipe implements PipeTransform {
constructor(private sanitizer: DomSanitizer) { }
transform(url) {
return this.sanitizer.bypassSecurityTrustResourceUrl(url);
}
}
module中引入
import { SafePipePipe } from ‘./SafePipe.pipe’;
@NgModule({
imports: [
],
declarations: [
...
SafePipePipe
],
entryComponents: [
],
exports: [
]
})
HTML 中使用
<iframe [src]=”url | safe”></iframe>
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