{"id":39310,"date":"2023-07-06T20:59:38","date_gmt":"2023-01-06T20:27:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8angular-component-dev-kit%e5%88%9b%e5%bb%ba%e7%ae%80%e5%8d%95%e7%9a%84%e4%b8%8b%e6%8b%89%e8%8f%9c%e5%8d%95\/"},"modified":"2024-04-30T12:21:24","modified_gmt":"2024-04-30T04:21:24","slug":"%e4%bd%bf%e7%94%a8angular-component-dev-kit%e5%88%9b%e5%bb%ba%e7%ae%80%e5%8d%95%e7%9a%84%e4%b8%8b%e6%8b%89%e8%8f%9c%e5%8d%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8angular-component-dev-kit%e5%88%9b%e5%bb%ba%e7%ae%80%e5%8d%95%e7%9a%84%e4%b8%8b%e6%8b%89%e8%8f%9c%e5%8d%95\/","title":{"rendered":"\u4f7f\u7528Angular Component Dev Kit\u521b\u5efa\u7b80\u5355\u7684\u4e0b\u62c9\u83dc\u5355"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

\u5728Angular Material\u4e2d\uff0c\u6211\u53d1\u73b0\u6ca1\u6709\u50cf\u83dc\u5355\u548c\u81ea\u52a8\u5b8c\u6210\u8fd9\u6837\u7684\u53ef\u7f16\u8f91\u5185\u5bb9\u7684\u4e0b\u62c9\u83dc\u5355\uff0c\u56e0\u6b64\u6211\u5c06\u4f7f\u7528Component Dev Kit (CDK)\u7684Overlay\u6a21\u5757\u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u7f16\u8f91\u5185\u5bb9\u7684\u4e0b\u62c9\u83dc\u5355\u6a21\u5757\u3002<\/p>\n

\u76ee\u6807<\/h2>\n

\u8fbe\u6210\u76ee\u6807<\/p>\n

\u5b9e\u73b0\u76ee\u6807<\/p>\n

\u5b8c\u6210\u76ee\u6807<\/p>\n

\u8ffd\u6c42\u76ee\u6807<\/p>\n

\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n

\u51c6\u5907<\/h2>\n

\u5b89\u88c5Angular\u548cCDK\u3002\u5173\u4e8eNodeJS\u7565\u8fc7\u3002<\/p>\n

$ <\/span>npm install<\/span> -g<\/span> @angular\/cli\r\n$ <\/span>ng new cdk-overlay-trial\r\n$ <\/span>cd <\/span>cdk-overlay-trial\/\r\n$ <\/span>npm install<\/span> @angular\/cdk\r\n$ <\/span>ng version\r\n\r\n...\r\n\r\nAngular CLI: 8.1.0\r\nNode: 11.15.0\r\nOS: darwin x64\r\nAngular: 8.1.0\r\n\r\n...\r\n<\/code><\/pre>\n
\u5bfc\u5165\u6240\u9700\u7684\u6a21\u5757\u3002<\/p>\n
import<\/span> {<\/span> BrowserModule<\/span> }<\/span> from<\/span> '<\/span>@angular\/platform-browser<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> NgModule<\/span> }<\/span> from<\/span> '<\/span>@angular\/core<\/span>'<\/span>;<\/span>\r\n\r\nimport<\/span> {<\/span> AppComponent<\/span> }<\/span> from<\/span> '<\/span>.\/app.component<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> OverlayModule<\/span> }<\/span> from<\/span> '<\/span>@angular\/cdk\/overlay<\/span>'<\/span>;<\/span> \/\/ \u8ffd\u52a0<\/span>\r\nimport<\/span> {<\/span> PortalModule<\/span> }<\/span> from<\/span> '<\/span>@angular\/cdk\/portal<\/span>'<\/span>;<\/span> \/\/ \u8ffd\u52a0<\/span>\r\n\r\n@<\/span>NgModule<\/span>({<\/span>\r\n  declarations<\/span>:<\/span> [<\/span>\r\n    AppComponent<\/span>\r\n  ],<\/span>\r\n  imports<\/span>:<\/span> [<\/span>\r\n    BrowserModule<\/span>,<\/span>\r\n    OverlayModule<\/span>,<\/span> \/\/ \u8ffd\u52a0<\/span>\r\n    PortalModule<\/span> \/\/ \u8ffd\u52a0<\/span>\r\n  ],<\/span>\r\n  providers<\/span>:<\/span> [],<\/span>\r\n  bootstrap<\/span>:<\/span> [<\/span>AppComponent<\/span>]<\/span>\r\n})<\/span>\r\nexport<\/span> class<\/span> AppModule<\/span> {<\/span> }<\/span>\r\n<\/code><\/pre>\n
\u8bb0\u5f97\u4e0d\u8981\u5fd8\u8bb0CSS\u3002<\/p>\n
@import<\/span> \"~@angular\/cdk\/overlay-prebuilt.css\"<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u5b9e\u65bd – \u5236\u4f5c\u5916\u89c2<\/h2>\n
\u6211\u4f1a\u5148\u4ece\u5916\u89c2\u5f00\u59cb\u5199\u3002\u5c06\u6a21\u677f\u5f15\u7528\u53d8\u91cf”dropdownContent”\u4f20\u9012\u7ed9”appDropdownToggle”\u5c5e\u6027\u3002”appDropdownToggle”\u662f\u4e00\u4e2a\u5c5e\u6027\u6307\u4ee4\u3002\u5c06\u4e0b\u62c9\u83dc\u5355\u7684\u6a21\u677f\u4f20\u9012\u7ed9\u8fd9\u4e2a\u6307\u4ee4\uff0c\u5e76\u5728\u5176\u4e2d\u6267\u884c\u663e\u793a\u4e0b\u62c9\u83dc\u5355\u7684\u64cd\u4f5c\u3002<\/p>\n
“app-dropdown-content”\u88ab\u6307\u5b9a\u4e3a\u4e00\u4e2a\u6a21\u677f\u5f15\u7528\u53d8\u91cf\uff0c\u7528\u4e8e\u7ec4\u4ef6\uff0c\u4e3a\u4e86\u663e\u793aOverlay\uff0c\u5c06\u5176\u63d0\u524d\u8fdb\u884cportal\u5316\u3002<\/p>\n
<button<\/span> [appDropdownToggle]=<\/span>\"dropdownContent\"<\/span>><\/span>show dropdown<\/button><\/span>\r\n<app-dropdown-content<\/span> #dropdownContent<\/span>><\/span>\r\n  <div><\/span>some content<\/div><\/span>\r\n<\/app-dropdown-content><\/span>\r\n<\/code><\/pre>\n
\u6211\u4eec\u5c06\u521b\u5efa\u524d\u6587\u4e2d\u6240\u8ff0\u7684\u7ec4\u4ef6\u548c\u6307\u4ee4\u3002<\/p>\n
dropdown-content : Overlay\u8868\u793a\u3068\u306a\u308b\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u306e\u672c\u4f53\u3067\u3059\u3002<\/p>\n
dropdown-trigger : \u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u306e\u8868\u793a\/\u975e\u8868\u793a\u3092\u5236\u5fa1\u3059\u308b\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u3059\u3002<\/p>\n
$ <\/span>ng generate component dropdown-content\r\n$ <\/span>ng generate directive dropdown-content\/dropdown-toggle\r\n<\/code><\/pre>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u521b\u5efa\u7684DropdownToggleDirective\u6765\u63a5\u6536\u6a21\u677f\u5f15\u7528\u53d8\u91cf\u3002<\/p>\n
import<\/span> {<\/span> Directive<\/span>,<\/span> Input<\/span> }<\/span> from<\/span> '<\/span>@angular\/core<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> DropdownContentComponent<\/span> }<\/span> from<\/span> '<\/span>.\/dropdown-content.component<\/span>'<\/span>;<\/span>\r\n...<\/span>\r\nexport<\/span> class<\/span> DropdownToggleDirective<\/span> {<\/span>\r\n\r\n  @<\/span>Input<\/span>(<\/span>'<\/span>appDropdownToggle<\/span>'<\/span>)<\/span> dropdownContentRef<\/span>:<\/span> DropdownContentComponent<\/span>;<\/span>\r\n...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
<ng-template<\/span> cdk-portal<\/span>><\/span>\r\n  <div<\/span> class=<\/span>\"dropdown-wrapper\"<\/span>><\/span>\r\n    <ng-content><\/ng-content><\/span>\r\n  <\/div><\/span>\r\n<\/ng-template><\/span>\r\n<\/code><\/pre>\n
\u987a\u4fbf\u8bbe\u7f6e\u6837\u5f0f\uff0c\u8ba9\u4e0b\u62c9\u83dc\u5355\u770b\u8d77\u6765\u66f4\u5408\u9002\u3002
\n\u5982\u679c\u4f60\u4f7f\u7528 Angular Material\uff0c\u6211\u8ba4\u4e3a\u4f60\u53ef\u4ee5\u4f7f\u7528 elevation helpers \u6765\u66ff\u4ee3 box-shadow \u90e8\u5206\u3002<\/p>\n
.dropdown-wrapper<\/span> {<\/span>\r\n  background-color<\/span>:<\/span> #FFF<\/span>;<\/span>\r\n  border-radius<\/span>:<\/span> 4px<\/span>;<\/span>\r\n  box-shadow<\/span>:<\/span> 0<\/span> 2px<\/span> 4px<\/span> -1px<\/span> rgba<\/span>(<\/span>0<\/span>,<\/span>0<\/span>,<\/span>0<\/span>,.<\/span>2<\/span>)<\/span>,<\/span> 0<\/span> 4px<\/span> 5px<\/span> 0<\/span> rgba<\/span>(<\/span>0<\/span>,<\/span>0<\/span>,<\/span>0<\/span>,.<\/span>14<\/span>)<\/span>,<\/span> 0<\/span> 1px<\/span> 10px<\/span> 0<\/span> rgba<\/span>(<\/span>0<\/span>,<\/span>0<\/span>,<\/span>0<\/span>,.<\/span>12<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5b9e\u65bd-\u663e\u793a\u4e0b\u62c9\u83dc\u5355<\/h2>\n
\u663e\u793aOverlay<\/h3>\n
\u6211\u5011\u5c07\u4f7f\u7528DropdownToggleDirective\u4f86\u89f8\u767c\u3002
\n\u6211\u5011\u5c07\u5c0dshowDropdown()\u65b9\u6cd5\u6dfb\u52a0@Hostlistener\u88dd\u98fe\u5668\u3002\u7576\u6309\u4e0b\u6309\u9215\u6642\uff0c\u5c07\u8abf\u7528\u6b64\u65b9\u6cd5\u4ee5\u986f\u793a\u4e0b\u62c9\u83dc\u55ae\u3002
\n\u53e6\u5916\uff0c\u6211\u5011\u4e5f\u61c9\u8a72\u5275\u5efa\u4e00\u500bhideDropdown()\u65b9\u6cd5\uff0c\u7528\u65bc\u96b1\u85cf\u4e0b\u62c9\u83dc\u55ae\u3002<\/p>\n
export<\/span> class<\/span> DropdownToggleDirective<\/span> {<\/span>\r\n...<\/span>\r\n\r\n  @<\/span>HostListener<\/span>(<\/span>'<\/span>click<\/span>'<\/span>)<\/span> showDropdown<\/span>()<\/span> {<\/span>\r\n  }<\/span>\r\n\r\n  hideDropdown<\/span>()<\/span> {<\/span>\r\n  }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4e3a\u4e86\u5c06\u5b9e\u73b0\u7684\u4f5c\u4e3aDropdownComponent\u7684\u5b50\u5143\u7d20\u7684\u5143\u7d20\u663e\u793a\u5728\u4e0b\u62c9\u83dc\u5355\u4e2d\uff0c\u6211\u5c06\u786e\u4fddDropdownToggleDirective\u53ef\u4ee5\u5f15\u7528\u5b83\u3002<\/p>\n
\u7531\u4e8e\u5df2\u7ecf\u6301\u6709DropdownComponent\u7684\u5f15\u7528\uff0c\u6240\u4ee5\u53ea\u9700\u8981\u5728@ViewChild\u4e2d\u5c06\u5176\u653e\u7f6e\u5373\u53ef\u3002<\/p>\n
import<\/span> {<\/span> Component<\/span>,<\/span> OnInit<\/span>,<\/span> TemplateRef<\/span>,<\/span> ViewChild<\/span> }<\/span> from<\/span> '<\/span>@angular\/core<\/span>'<\/span>;<\/span>\r\n...<\/span>\r\nexport<\/span> class<\/span> DropdownContentComponent<\/span> implements<\/span> OnInit<\/span> {<\/span>\r\n\r\n  @<\/span>ViewChild<\/span>(<\/span>TemplateRef<\/span>,<\/span> {<\/span>static<\/span>:<\/span> false<\/span>})<\/span> templateRef<\/span>:<\/span> TemplateRef<\/span><<\/span>any<\/span>><\/span>;<\/span>\r\n...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6211\u4eec\u5c06\u5728DropdownToggleDirective\u4e2d\u6dfb\u52a0\u663e\u793a\u4e0b\u62c9\u83dc\u5355\u7684\u5904\u7406\u3002\u521b\u5efaOverlay\u5bb9\u5668\uff0c\u521b\u5efa\u6a21\u677f\u7684\u5b9e\u4f8b\u5e76\u5c06\u5b9e\u4f8b\u9644\u52a0\u5230\u5bb9\u5668\u4e2d\u3002\uff08\u4e0d\u80fd\u786e\u5b9a\u8fd9\u79cd\u7406\u89e3\u6216\u8868\u8fbe\u662f\u5426\u6b63\u786e\uff09<\/p>\n
import<\/span> {<\/span> Directive<\/span>,<\/span> Input<\/span>,<\/span> HostListener<\/span>,<\/span> ViewContainerRef<\/span> }<\/span> from<\/span> '<\/span>@angular\/core<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> DropdownContentComponent<\/span> }<\/span> from<\/span> '<\/span>.\/dropdown-content.component<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> Overlay<\/span>,<\/span> OverlayRef<\/span> }<\/span> from<\/span> '<\/span>@angular\/cdk\/overlay<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> TemplatePortal<\/span> }<\/span> from<\/span> '<\/span>@angular\/cdk\/portal<\/span>'<\/span>;<\/span>\r\n...<\/span>\r\nexport<\/span> class<\/span> DropdownToggleDirective<\/span> {<\/span>\r\n...<\/span>\r\n  overlayRef<\/span>:<\/span> OverlayRef<\/span>;<\/span>\r\n\r\n  constructor<\/span>(<\/span>\r\n    private<\/span> overlay<\/span>:<\/span> Overlay<\/span>,<\/span>\r\n    private<\/span> viewContainerRef<\/span>:<\/span> ViewContainerRef<\/span>\r\n  )<\/span> {<\/span> }<\/span>\r\n\r\n  @<\/span>HostListener<\/span>(<\/span>'<\/span>click<\/span>'<\/span>)<\/span> showDropdown<\/span>()<\/span> {<\/span>\r\n\r\n    this<\/span>.<\/span>overlayRef<\/span> =<\/span> this<\/span>.<\/span>overlay<\/span>.<\/span>create<\/span>();<\/span>\r\n\r\n    const<\/span> templatePortal<\/span> =<\/span> new<\/span> TemplatePortal<\/span>(<\/span>this<\/span>.<\/span>dropdownContentRef<\/span>.<\/span>templateRef<\/span>,<\/span> this<\/span>.<\/span>viewContainerRef<\/span>);<\/span>\r\n\r\n    this<\/span>.<\/span>overlayRef<\/span>.<\/span>attach<\/span>(<\/span>templatePortal<\/span>);<\/span>\r\n\r\n  }<\/span>\r\n...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6211\u60f3\uff0c\u5927\u81f4\u4e0a\u5f53\u4f60\u70b9\u51fb\u6309\u94ae\u65f6\u4f1a\u51fa\u73b0\u4e00\u4e2a\u4e0b\u62c9\u83dc\u5355\uff08\u6216\u7c7b\u4f3c\u7684\u4e1c\u897f\uff09\u3002<\/p>\n
\u8c03\u6574Overlay\u7684\u4f4d\u7f6e<\/h3>\n
\u6211\u4f1a\u6dfb\u52a0\u7528\u4e8e\u8c03\u6574\u4f4d\u7f6e\u7684\u8bbe\u7f6e\u3002\u968f\u540e\uff0c\u8fd8\u4f1a\u6dfb\u52a0\u5176\u4ed6\u4e0d\u6d89\u53ca\u4f4d\u7f6e\u8c03\u6574\u7684\u8bbe\u7f6e\u3002
\n\u6211\u4f1a\u521b\u5efa\u4e00\u4e2aOverlayConfig\uff0c\u5e76\u5728\u8c03\u7528this.overlay.create()\u65f6\u4f20\u9012\u5e76\u5e94\u7528\u5b83\u3002<\/p>\n
import<\/span> {<\/span> Directive<\/span>,<\/span> Input<\/span>,<\/span> HostListener<\/span>,<\/span> ViewContainerRef<\/span>,<\/span> ElementRef<\/span> }<\/span> from<\/span> '<\/span>@angular\/core<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> Overlay<\/span>,<\/span> OverlayRef<\/span>,<\/span> OverlayConfig<\/span> }<\/span> from<\/span> '<\/span>@angular\/cdk\/overlay<\/span>'<\/span>;<\/span>\r\n...<\/span>\r\n  constructor<\/span>(<\/span>\r\n    private<\/span> overlay<\/span>:<\/span> Overlay<\/span>,<\/span>\r\n    private<\/span> viewContainerRef<\/span>:<\/span> ViewContainerRef<\/span>,<\/span>\r\n    private<\/span> viewElement<\/span>:<\/span> ElementRef<\/span>\r\n  )<\/span> {<\/span> }<\/span>\r\n\r\n  @<\/span>HostListener<\/span>(<\/span>'<\/span>click<\/span>'<\/span>)<\/span> showDropdown<\/span>()<\/span> {<\/span>\r\n\r\n    const<\/span> config<\/span> =<\/span> this<\/span>.<\/span>_generateOverlayConfig<\/span>();<\/span>\r\n\r\n    this<\/span>.<\/span>overlayRef<\/span> =<\/span> this<\/span>.<\/span>overlay<\/span>.<\/span>create<\/span>(<\/span>config<\/span>);<\/span>\r\n...<\/span>\r\n  }<\/span>\r\n\r\n  private<\/span> _generateOverlayConfig<\/span>():<\/span> OverlayConfig<\/span> {<\/span>\r\n\r\n    const<\/span> overlayPosition<\/span> =<\/span> this<\/span>.<\/span>overlay<\/span>.<\/span>position<\/span>()<\/span>\r\n      .<\/span>flexibleConnectedTo<\/span>(<\/span>this<\/span>.<\/span>viewElement<\/span>)<\/span>\r\n      .<\/span>withPositions<\/span>([{<\/span>\r\n        originX<\/span>:<\/span> '<\/span>start<\/span>'<\/span>,<\/span>\r\n        originY<\/span>:<\/span> '<\/span>bottom<\/span>'<\/span>,<\/span>\r\n        overlayX<\/span>:<\/span> '<\/span>start<\/span>'<\/span>,<\/span>\r\n        overlayY<\/span>:<\/span> '<\/span>top<\/span>'<\/span>\r\n      }]);<\/span>\r\n\r\n    return<\/span> {<\/span>\r\n      positionStrategy<\/span>:<\/span> overlayPosition<\/span>\r\n    };<\/span>\r\n  }<\/span>\r\n...<\/span>\r\n<\/code><\/pre>\n
\u8ba9\u6211\u4eec\u7a0d\u5fae\u8be6\u7ec6\u5730\u8ba8\u8bba\u4e00\u4e0b\u4f4d\u7f6e\u8c03\u6574\u3002<\/p>\n
\u4f7f\u7528`.flexibleConnectedTo(this.viewElement)`\u6765\u8bbe\u7f6eOverlay\u4f4d\u7f6e\u7684\u53c2\u8003\u70b9\u3002\u5176\u4e2d`this.viewElement`\u662f\u6307\u8be5\u6307\u4ee4\u6240\u5728\u7684DOM\u7684\u5f15\u7528\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c06\u4f7f\u7528button\u5143\u7d20\u4f5c\u4e3aOverlay\u4f4d\u7f6e\u7684\u53c2\u8003\u70b9\u3002<\/p>\n
\u9664\u4e86`.flexibleConnectedTo()`\u4e4b\u5916\uff0c\u8fd8\u6709`.global()`\u3002\u6b63\u5982\u5176\u540d\u79f0\u6240\u793a\uff0c\u5b83\u5c06\u4f4d\u7f6e\u7684\u53c2\u8003\u70b9\u8bbe\u7f6e\u4e3a\u5168\u5c40\uff0c\u5373\u4ee5\u6574\u4e2a\u7a97\u53e3\u4f5c\u4e3a\u53c2\u8003\u70b9\u6765\u786e\u5b9a\u4f4d\u7f6e\u3002\u5f53\u521b\u5efa\u8986\u76d6\u6574\u4e2a\u5c4f\u5e55\u7684\u6a21\u6001\u6846\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b64\u9009\u9879\u3002<\/p>\n
\u4f7f\u7528.withPositions()\u6765\u8bbe\u7f6e\u5177\u4f53\u4f4d\u7f6e\u3002\u53ef\u4ee5\u6307\u5b9a\u7684\u503c\u5982\u4e0b\uff1a<\/p>\n
    \n
  • \n
      originX, overlayX: ‘start’ | ‘end’ | ‘center’<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        originY, overlayY: ‘top’ | ‘bottom’ | ‘center’<\/ul>\n
        \u9664\u4e86\u4e0a\u8ff0\u4e4b\u5916\uff0c\u8fd8\u6709offsetX\u548coffsetY\uff0c\u5e76\u4e14\u4f3c\u4e4e\u53ef\u4ee5\u8fdb\u884c\u5fae\u8c03\u3002\u5bf9\u4e8e\u6240\u8bbe\u7f6e\u7684\u503c\u4f1a\u6709\u4ec0\u4e48\u6548\u679c\uff0c\u771f\u7684\u4e0d\u662f\u5f88\u6e05\u695a…\u6211\u7a0d\u540e\u4f1a\u8fdb\u884c\u9a8c\u8bc1\u3002\u867d\u7136\u6587\u4ef6\u4e0a\u6709\u8bf4\u660e\uff0c\u4f46\u6211\u53ef\u80fd\u7406\u89e3\u4e0d\u591f…<\/p>\n
        \u9690\u85cf\u8986\u76d6\u5c42<\/h3>\n
        \u5982\u679c\u4fdd\u6301\u5f53\u524d\u7684\u72b6\u6001\uff0c\u65e0\u8bba\u70b9\u51fb\u4e0b\u62c9\u83dc\u5355\u505a\u4ec0\u4e48\u90fd\u65e0\u6cd5\u9690\u85cf\u5b83\uff0c\u6240\u4ee5\u6211\u4eec\u5c06\u4f7f\u5176\u5728\u70b9\u51fb\u9664\u4e0b\u62c9\u83dc\u5355\u4e4b\u5916\u7684\u5143\u7d20\u65f6\u9690\u85cf\u3002<\/p>\n
        \u5c06hasBackdrop\u8bbe\u4e3atrue\u53ef\u4ee5\u963b\u6b62\u70b9\u51fb\u80cc\u9762\u5143\u7d20\u7684\u64cd\u4f5c\u7b49\u3002\u53e6\u5916\uff0c\u901a\u8fc7\u5355\u72ec\u8bbe\u7f6ebackdropClass\uff0c\u53ef\u4ee5\u907f\u514d\u9ed8\u8ba4CSS\u6837\u5f0f\u88ab\u5e94\u7528\u5230\u80cc\u666f\u5c42\u3002\u5982\u679c\u4e0d\u8fdb\u884c\u6b64\u8bbe\u7f6e\uff0c\u80cc\u666f\u5c42\u4f1a\u663e\u793a\u4e3a\u7070\u8272\u3002<\/p>\n
          private<\/span> _generateOverlayConfig<\/span>():<\/span> OverlayConfig<\/span> {<\/span>\r\n...<\/span>\r\n    return<\/span> {<\/span>\r\n      positionStrategy<\/span>:<\/span> overlayPosition<\/span>,<\/span>\r\n      hasBackdrop<\/span>:<\/span> true<\/span>,<\/span>\r\n      backdropClass<\/span>:<\/span> '<\/span>cdk-overlay-transparent-backdrop<\/span>'<\/span>\r\n    };<\/span>\r\n  }<\/span>\r\n<\/code><\/pre>\n
        \u6dfb\u52a0\u4e00\u4e2a\u5904\u7406\u6765\u9690\u85cfDropdown\u7684Overlay\u3002\u7136\u540e\uff0c\u5728\u9644\u52a0\u4e86portal\u65f6\uff0c\u8bbe\u7f6e\u70b9\u51fb\u80cc\u666f\u65f6\u9690\u85cf\u3002<\/p>\n
        \r\n  @<\/span>HostListener<\/span>(<\/span>'<\/span>click<\/span>'<\/span>)<\/span> showDropdown<\/span>()<\/span> {<\/span>\r\n...<\/span>\r\n    this<\/span>.<\/span>overlayRef<\/span>.<\/span>attach<\/span>(<\/span>templatePortal<\/span>);<\/span>\r\n\r\n    this<\/span>.<\/span>overlayRef<\/span>.<\/span>backdropClick<\/span>().<\/span>subscribe<\/span>(()<\/span> =><\/span> this<\/span>.<\/span>hideDropdown<\/span>());<\/span>\r\n\r\n  }<\/span>\r\n...<\/span>\r\n  hideDropdown<\/span>()<\/span> {<\/span>\r\n    this<\/span>.<\/span>overlayRef<\/span>.<\/span>dispose<\/span>();<\/span>\r\n  }<\/span>\r\n\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
        \u53ea\u9700\u8981\u5bf9\u4e0b\u62c9\u83dc\u5355\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u968f\u610f\u7684\u6837\u5f0f\u8bbe\u7f6e\uff0c\u5b83\u5c31\u4f1a\u770b\u8d77\u6765\u4e0d\u9519\u3002<\/p>\n
        <button<\/span> [appDropdownToggle]=<\/span>\"dropdownContent\"<\/span>><\/span>show dropdown<\/button><\/span>\r\n<app-dropdown-content<\/span> #dropdownContent<\/span>><\/span>\r\n  <div<\/span> style=<\/span>\"padding: 8px\"<\/span>><\/span>some content<\/div><\/span>\r\n<\/app-dropdown-content><\/span>\r\n<\/code><\/pre>\n
        \u7ed3\u675f (Jie shu)<\/h2>\n
        \u901a\u8fc7\u7422\u78e8\uff0c\u6211\u7ec8\u4e8e\u505a\u51fa\u4e86\u4e00\u4e2a\u53ef\u4ee5\u591a\u529f\u80fd\u590d\u7528\u7684\u4e0b\u62c9\u83dc\u5355\u3002
        \n\u6b63\u5982 @Quramy \u6240\u8bf4\uff0c\u8fd9\u4e2a\u6837\u672c\u771f\u7684\u5f88\u5c11\u3002\u6211\u81ea\u5df1\u67e5\u770b\u4e86 Angular Material \u7684\u6d4b\u8bd5\u4ee3\u7801\u6765\u786e\u8ba4\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n
        \u5e0c\u671b\u8fd9\u4e9b\u529f\u80fd\u80fd\u591f\u66f4\u5e7f\u6cdb\u5730\u666e\u53ca\uff0c\u56e0\u4e3a\u5b83\u4eec\u975e\u5e38\u5b9e\u7528\u3002\uff08\u5728\u4f7f\u7528AngularJS\u65f6\uff0c\u6211\u7ecf\u5e38\u4e3a\u90a3\u4e9b\u9690\u85cf\u5728\u80cc\u540e\u7684\u4e0b\u62c9\u83dc\u5355\u611f\u5230\u56f0\u6270…\uff09<\/p>\n
        \u8bf7\u53c2\u8003<\/h2>\n
          \n
        • \n
            Angular Component Dev Kit \u5165\u9580 – https:\/\/qiita.com\/Quramy\/items\/caf015e56d536411d4ba<\/ul>\n<\/li>\n<\/ul>\n
            API reference for Angular CDK overlay – https:\/\/material.angular.io\/cdk\/overlay\/api<\/p>\n
            How to create a custom dropdown using Angular CDK – http:\/\/prideparrot.com\/blog\/archive\/2019\/3\/how_to_create_custom_dropdown_cdk<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u9996\u5148 \u5728Angular Material\u4e2d\uff0c\u6211\u53d1\u73b0\u6ca1\u6709\u50cf\u83dc\u5355\u548c\u81ea\u52a8\u5b8c\u6210\u8fd9\u6837\u7684\u53ef\u7f16\u8f91\u5185\u5bb9\u7684\u4e0b\u62c9\u83dc\u5355\uff0c\u56e0\u6b64\u6211\u5c06\u4f7f\u7528 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39310","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528Angular Component Dev Kit\u521b\u5efa\u7b80\u5355\u7684\u4e0b\u62c9\u83dc\u5355 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528angular-component-dev-kit\u521b\u5efa\u7b80\u5355\u7684\u4e0b\u62c9\u83dc\u5355\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Angular Component Dev Kit\u521b\u5efa\u7b80\u5355\u7684\u4e0b\u62c9\u83dc\u5355\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u5728Angular Material\u4e2d\uff0c\u6211\u53d1\u73b0\u6ca1\u6709\u50cf\u83dc\u5355\u548c\u81ea\u52a8\u5b8c\u6210\u8fd9\u6837\u7684\u53ef\u7f16\u8f91\u5185\u5bb9\u7684\u4e0b\u62c9\u83dc\u5355\uff0c\u56e0\u6b64\u6211\u5c06\u4f7f\u7528 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528angular-component-dev-kit\u521b\u5efa\u7b80\u5355\u7684\u4e0b\u62c9\u83dc\u5355\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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