{"id":1047,"date":"2019-01-06T21:59:25","date_gmt":"2019-01-06T13:59:25","guid":{"rendered":"https:\/\/www.develop-note.com\/blog\/?p=1047"},"modified":"2022-02-17T15:32:29","modified_gmt":"2022-02-17T07:32:29","slug":"angular-elements-first-tutorial","status":"publish","type":"post","link":"https:\/\/www.develop-note.com\/blog\/2019\/01\/06\/angular-elements-first-tutorial\/","title":{"rendered":"Angular Elements \u521d\u9ad4\u9a57"},"content":{"rendered":"

Angular Elements<\/h1>\n

\u65e5\u524d\u8ddf\u5927\u5bb6\u804a\u904e Angular Material \u521d\u9ad4\u9a57<\/a> \uff0c\u900f\u904e\u6b64\u7bc7\u53ef\u4ee5\u5feb\u901f\u5730\u5efa\u7acb\u4e00\u500b Component \uff0c\u4f46\u662f\u5982\u679c\u4e00\u500b\u9801\u9762\u60f3\u8981\u91cd\u8907\u5229\u7528\u8a72\u5982\u4f55\u8655\u7406\u5462\uff0c\u6240\u4ee5\u4eca\u5929\u5c31\u4f86\u8ac7\u8ac7\u5982\u4f55\u900f\u904e Angular Elements<\/a> \u4f86\u81ea\u5b9a\u7fa9\u4e00\u500b Custom Elements<\/a> \u3002<\/p>\n

<\/p>\n

\u521d\u6b65\u7684\u8a8d\u8b58<\/h2>\n

\u5728\u958b\u59cb\u8aaa\u660e\u5982\u4f55\u5be6\u4f5c\u4e4b\u524d\u5148\u4f86\u8ac7\u8ac7\u751a\u9ebc\u662f Angular Elements \uff0c\u7c21\u55ae\u4f86\u8aaa\u5b83\u5c31\u662f\u53ef\u4ee5\u81ea\u8a02\u4e00\u500b Html \u7684 tag \uff0c\u8b93\u5176\u4ed6\u4f7f\u7528\u8005\u900f\u904e\u4f7f\u7528\u9019\u500b tag \u4f86\u4f7f\u7528\u9019\u4e00\u500b\u81ea\u8a02\u7fa9\u7684 element \uff0c\u9019\u6a23\u807d\u8d77\u4f86\u5b83\u7684\u529f\u7528\u5c31\u597d\u50cf Angular \u7684 Component \uff0c\u4f46\u662f Angular Elements \u529f\u80fd\u66f4\u5f37\u5927\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u63d0\u4f9b\u7d66\u4e0d\u540c Angular \u5c08\u6848\uff0c\u751a\u81f3\u65bc\u63d0\u4f9b\u7d66\u5176\u4ed6 javascript framework \u4f8b\u5982 reactjs \u3001 vue \u4f86\u4f7f\u7528\uff0c\u9019\u6a23\u807d\u8d77\u4f86\u6709\u6c92\u6709\u6bd4\u8f03\u5a01\u963f\uff0c\u5c31\u8b93\u6211\u5011\u770b\u4e0b\u53bb\u5427\u3002<\/p>\n

\u74b0\u5883\u8a2d\u5b9a<\/h2>\n

\u770b\u904e Angular Material \u521d\u9ad4\u9a57<\/a> \u5c31\u77e5\u9053 angular \u7684\u5b89\u88dd\u5982\u4f55\u5b89\u88dd\uff0c\u4ee5\u53ca\u5982\u4f55\u8a2d\u5b9a\u4e86\uff0c\u63a5\u4e0b\u4f86\u91dd\u5c0d Angular Elements \u4e0d\u540c\u7684\u90e8\u5206\u52a0\u4ee5\u8aaa\u660e\uff1a<\/p>\n

\u5b89\u88dd\u5957\u4ef6<\/h3>\n

\u9996\u5148\u7576\u7136\u662f\u5148\u5b89\u88dd Angular Elements \u5957\u4ef6\uff0c\u8b80\u8005\u5011\u53ef\u4ee5\u900f\u904e angular cli \u4f86\u5b89\u88dd\uff0c\u6307\u4ee4\u5982\u4e0b\uff1a<\/p>\n

ng add @angular\/elements --name=*your_project_name*<\/code><\/pre>\n
\u9084\u6709\u6211\u5011\u9019\u908a\u4f7f\u7528\u7684css\u662fscss\u6240\u4ee5\u5728\u7522\u751f\u65b0\u5c08\u6848\u6642\u6ce8\u610f\u4e00\u4e0b angular cli \u7684\u8a2d\u5b9a\u3002<\/p>\n
\u8a2d\u5b9a\u5c08\u6848\u5167\u5bb9<\/h3>\n
\u7531\u65bcCustome Elements\u5728 ES2015<\/code> \u624d\u958b\u59cb\u652f\u63f4\uff0c\u6240\u4ee5\u8981\u91dd\u5c0d\u9019\u4e00\u9ede\u5148\u52a0\u4ee5\u8a2d\u5b9a\uff0c\u6240\u4ee5\u91dd\u5c0d tsconfig.json<\/code> \u7684 target<\/code> \u90e8\u5206\u52a0\u4ee5\u8a2d\u5b9a\uff1a<\/p>\n
{\n...\n    "target": "es2015",\n...\n}<\/code><\/pre>\n
\u6ce8\u610f\u4e8b\u9805<\/h2>\n
\u8a2d\u5b9a\u5b8c\u6210\u5f8c\u91dd\u5c0d\u4ee5\u4e0b\u5169\u9762\u5411\u4f86\u52a0\u4ee5\u8aaa\u660e\u5176\u6ce8\u610f\u4e8b\u9805\uff1a<\/p>\n
\u958b\u767c\u65b9\u9762\u6ce8\u610f\u4e8b\u9805<\/h3>\n
\u958b\u7684\u65b9\u5f0f\u8ddf\u4e00\u822c\u7684Angular Component\u4e00\u6a23\uff0c\u9019\u88e1\u6211\u5011\u5be6\u4f5c\u4e00\u500bMadeWithLoveComponent\uff0c\u53ef\u4ee5\u7531\u5916\u90e8\u8f38\u5165\u5169\u500b\u53c3\u6578 name<\/code> \u8207 url<\/code> \uff0c\u5176\u4e2d\u8981\u6ce8\u610f\u7684\u662f encapsulation<\/code> \u9019\u8a2d\u5b9a\uff0c\u9019\u88e1\u8a2d\u5b9a ViewEncapsulation.ShadowDom<\/code> \u53ef\u4ee5\u7522\u751f\u4e00\u500b ShadowRoot \u4e26\u53ef\u4ee5\u53ef\u8a2d\u5b9a\u5176 Host Element \uff0c\u5176\u5167\u5bb9\u5982\u4e0b\uff1a<\/p>\n
import { \n    Component, \n    OnInit, \n    Input, \n    ViewEncapsulation \n} \nfrom '@angular\/core';\n\n@Component({\n  selector: 'made-with-love',\n  templateUrl: '.\/made-with-love.component.html',\n  styleUrls: ['.\/made-with-love.component.scss'],\n  encapsulation: \n    ViewEncapsulation.ShadowDom \n    \/\/ <--- \u4f7f\u7528ShadowDom \n})\nexport class MadeWithLoveComponent \n    implements OnInit {\n  @Input()\n  public name: string;\n\n  @Input()\n  public url: string;\n\n  @Input()\n  public color = 'red';\n\n  @Input()\n  public size = 1;\n\n  ngOnInit() {\n    if (!this.name || this.name.length === 0) {\n        console.error(\n            `Name attribute must be provided!`\n        );\n    }\n  }\n}<\/code><\/pre>\n
\u5beb\u5b8ccomponent\u5f8c\u4f86\u91dd\u5c0d\u5176html\u52a0\u4ee5\u8a2d\u5b9a\uff0c\u5728html\u4e0a\u6703\u5448\u73fe\u6211\u5011\u8f38\u5165\u7684 name<\/code> \u8ddf url<\/code> (\u5982\u679c\u6709\u8f38\u5165\u7684\u8a71)\uff1a<\/p>\n
    <ng-template #noUrl>\n        {{ name }}\n    <\/ng-template>\n\n    <span [style.font-size.em]="size">\n        Made with \n        <span [style.color]="color">\n            \u2665\n        <\/span> by\n        <ng-container \n            *ngIf="url && url.length > 0; else noUrl">\n            <a \n                [attr.href]="url" \n                target="_blank">\n                    {{ name }}\n            <\/a>\n        <\/ng-container>\n    <\/span><\/code><\/pre>\n
\u6700\u5f8c\u8aaa\u660escss\u4e2d\u7684\u5167\u5bb9\uff0c\u7531\u65bc\u6211\u5011\u4f7f\u7528 ViewEncapsulation.ShadowDom<\/code> \u6240\u4ee5\u53ef\u4ee5\u5728 scss \u5167\u91dd\u5c0d host \u52a0\u4ee5\u8a2d\u5b9a\uff0c\u8a2d\u5b9a\u5167\u5bb9\u5982\u4e0b\uff1a<\/p>\n
:host {\n  span {\n    a {\n      color: #000;\n      font-weight: bold;\n    }\n  }\n}<\/code><\/pre>\n
Angular \u5c08\u6848\u5982\u4f55\u4f7f\u7528<\/h3>\n
\u5728\u958b\u767c\u5b8c\u4e00\u500b\u81ea\u8a02\u7fa9\u7684Elements\u5f8c\u8981\u5982\u4f55\u4f7f\u7528\u5462\uff0c\u9996\u5148\u8981\u518d app.module.ts<\/code> \u5148\u52a0\u4ee5\u8a2d\u5b9a\uff0c\u8a2d\u5b9a\u5167\u5bb9\u5982\u4e0b\uff1a<\/p>\n
import { NgModule, Injector } from '@angular\/core';\nimport { BrowserModule } from '@angular\/platform-browser';\nimport { createCustomElement } from '@angular\/elements';\n\nimport { \n    MadeWithLoveComponent \n} from '.\/made-with-love\/made-with-love.component'; \n\/\/ <--- \u5c07\u5beb\u597d\u7684\u539f\u4ef6import\u9032\u4f86\n\n@NgModule({\n  imports: [\n    BrowserModule\n  ],\n  declarations: [\n    MadeWithLoveComponent\n  ],\n  entryComponents: [\n    MadeWithLoveComponent \/\/ <--- \u4e3b\u8981\u7684Componment\n  ]\n})\nexport class AppModule {\n  constructor(private injector: Injector) {\n    const customElement = \n        createCustomElement(\n            MadeWithLoveComponent, \n            { injector }); \/\/ <--- \u7522\u751fcustomElement \n    customElements.define('made-with-love', \n        customElement); \n    \/\/ <--- \u5c07\u7522\u751f\u7684customElement\u8a3b\u518a\u5230html tag\u4e2d\n  }\n\n  ngDoBootstrap() { }\n}<\/code><\/pre>\n
\u5f15\u7528\u9032\u4f86\u5f8c\u8981\u5982\u4f55\u4f7f\u7528\u5462\uff0c\u4e3b\u8981\u5c31\u662f\u4f7f\u7528 made-with-love<\/code> \u5728 html \u4e0a\u5373\u53ef\uff0c\u5982\u4e0b\u5217\u5167\u5bb9\uff1a<\/p>\n
<made-with-love \n    name="Kirai" \n    url="https:\/\/www.develop-note.com\/blog\/">\n<\/made-with-love><\/code><\/pre>\n
\u7d50\u8a9e<\/h2>\n
\u4eca\u5929\u8ddf\u5927\u5bb6\u804a\u804a Angular Elements \u7684\u521d\u9ad4\u9a57\uff0c\u5e0c\u671b\u85c9\u7531\u9019\u7bc7\u6587\u7ae0\u8b93\u5927\u5bb6\u53ef\u4ee5\u5c0d\u65bc Angular Elements \u6709\u500b\u521d\u6b65\u7684\u8a8d\u8b58\uff0c\u9032\u4e00\u6b65\u900f\u904e Angular Elements \u5c07\u5e38\u7528\u7684 Components \u5c01\u88dd\u8d77\u4f86\u91cd\u8907\u5229\u7528\uff0c\u8b93\u5927\u5bb6\u5728\u958b\u767c\u7684\u8def\u4e0a\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u7684\u958b\u767c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Angular Elements \u65e5\u524d\u8ddf\u5927\u5bb6\u804a\u904e Angular Material \u521d\u9ad4\u9a57 \uff0c\u900f\u904e\u6b64\u7bc7\u53ef\u4ee5\u5feb\u901f … <\/p>\n
\u95b1\u8b80\u5168\u6587\u3008Angular Elements \u521d\u9ad4\u9a57\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[54,69],"class_list":["post-1047","post","type-post","status-publish","format-standard","hentry","category-develop","tag-angular","tag-angular-elements"],"_links":{"self":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/1047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/comments?post=1047"}],"version-history":[{"count":26,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/1047\/revisions"}],"predecessor-version":[{"id":3025,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/1047\/revisions\/3025"}],"wp:attachment":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/media?parent=1047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/categories?post=1047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/tags?post=1047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}