{"id":39488,"date":"2023-10-15T23:01:54","date_gmt":"2024-01-02T21:15:35","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/angular%e5%8a%a8%e7%94%bb%e5%a4%87%e5%bf%98%e5%bd%95\/"},"modified":"2024-05-04T04:24:56","modified_gmt":"2024-05-03T20:24:56","slug":"angular%e5%8a%a8%e7%94%bb%e5%a4%87%e5%bf%98%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/angular%e5%8a%a8%e7%94%bb%e5%a4%87%e5%bf%98%e5%bd%95\/","title":{"rendered":"Angular\u52a8\u753b\u5907\u5fd8\u5f55"},"content":{"rendered":"

\u5728\u7f51\u4e0a\u627e\u4e0d\u5230\u76f8\u5173\u4fe1\u606f\uff0c\u6240\u4ee5\u8fdb\u884c\u516c\u5f00\u3002
\n\uff08\u53ea\u662f\u6839\u636e\u5b9e\u9645\u884c\u4e3a\u63a8\u6d4b\uff0c\u5e76\u6ca1\u6709\u8ffd\u8e2a\u6765\u6e90\uff0c\u6240\u4ee5\u4e0d\u8981\u8f7b\u4fe1\uff0c\u81ea\u5df1\u8fdb\u884c\u9a8c\u8bc1\u5427\uff09<\/p>\n

    \n
  1. \n
      \u67e5\u8be2\u65f6\uff0c{ optional: true }\u662f\u5b9e\u9645\u5fc5\u9700\u7684\u3002<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        \n
      1. \n
          \u67e5\u8be2\u65f6\uff0c\u5bf9\u4e8eanimateChild()\u7684\u8fdb\u5165\u548c\u79bb\u5f00\u6307\u5b9a\u5c06\u4e0d\u8d77\u4f5c\u7528\u3002<\/ol>\n<\/li>\n<\/ol>\n

           <\/p>\n

            \n
          1. \n
              \u5982\u679c\u5728\u72b6\u6001\u8f6c\u6362\u65f6\u6ca1\u6709\u4e0e\u4e4b\u5339\u914d\u7684\u4efb\u4f55\u8fc7\u6e21\u6548\u679c\uff0c\u5219\u4f1a\u7acb\u5373\u8f6c\u6362\u5230\u65b0\u7684\u72b6\u6001\u3002<\/ol>\n<\/li>\n<\/ol>\n

               <\/p>\n

                \n
              1. \n
                  void\u72b6\u6001\u5c06\u6210\u4e3a\u539f\u59cb\u6837\u5f0f\u3002<\/ol>\n<\/li>\n<\/ol>\n

                   <\/p>\n

                    \n
                  1. \n
                      \u4f5c\u4e3a\u5b50\u5143\u7d20\u8bbe\u7f6e\u7684\u52a8\u753b\u5728\u7236\u5143\u7d20\u8fdb\u5165\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u660e\u786e\u8c03\u7528animateChild()\uff0c\u5219\u4f1a\u7acb\u5373\u8f6c\u6362\u5230\u65b0\u7684\u72b6\u6001\u3002<\/ol>\n<\/li>\n<\/ol>\n

                       <\/p>\n

                        \n
                      1. \n
                          \u4f5c\u4e3a\u5b50\u5143\u7d20\u8bbe\u7f6e\u7684\u52a8\u753b\u5728\u7236\u5143\u7d20\u79bb\u5f00\u65f6\uff0c\u9664\u975e\u4ee5\u7ec4\u5e76\u884c\u6267\u884c\uff0c\u5426\u5219\u4e0d\u4f1a\u751f\u6548\u3002<\/ol>\n<\/li>\n<\/ol>\n

                           <\/p>\n

                            \n
                          1. \n
                              \u4f5c\u4e3a\u5b50\u5143\u7d20\u8bbe\u7f6e\u7684\u52a8\u753b\u5728\u7236\u5143\u7d20\u79bb\u5f00\u65f6\uff0c\u5982\u679c\u4ee5\u7ec4\u5e76\u884c\u8fdb\u884c\u5e76\u4e14\u6ca1\u6709\u76f8\u5e94\u7684\u8fc7\u6e21\u6548\u679c\uff0c\u5219\u4f1a\u7acb\u5373\u8f6c\u6362\u4e3avoid\u72b6\u6001\u5373\u539f\u59cb\u6837\u5f0f\u3002<\/ol>\n<\/li>\n<\/ol>\n

                               <\/p>\n

                                \n
                              1. \n
                                  \u201c\u52a8\u753b\u4e2d\u7684\u518d\u6b21\u8fc7\u6e21\u201d\u901a\u5e38\u4f1a\u5408\u5e76\uff0c\u4f46\u5728animateChild()\u4e2d\u53d1\u751f\u65f6\uff0c\u4f1a\u5bfc\u81f4\u663e\u793a\u4e0e\u72b6\u6001\u4e0d\u4e00\u81f4\u3002\u5728\u52a8\u753b\u65f6\u95f4\u8f83\u957f\u65f6\u7ecf\u5e38\u53d1\u751f\u3002<\/ol>\n<\/li>\n<\/ol>\n

                                   <\/p>\n

                                    \n
                                  1. \n
                                      \u5982\u679c\u4ece\u5b58\u5728\u663e\u793a\u548c\u72b6\u6001\u4e0d\u4e00\u81f4\u7684\u72b6\u6001\u8f6c\u6362\u8fdb\u884c\u52a8\u753b\u64ad\u653e\uff0c\u4f1a\u51fa\u73b0\u4e0d\u9002\u5f53\u7684\u64ad\u653e\u3002<\/ol>\n<\/li>\n<\/ol>\n

                                       <\/p>\n

                                        \n
                                      1. \n
                                          \u5373\u4f7f\u5728\u5b58\u5728\u663e\u793a\u548c\u72b6\u6001\u4e0d\u4e00\u81f4\u7684\u72b6\u6001\u4e2d\uff0c\u8fdb\u884c\uff08\u4e0d\u5f53\u64ad\u653e\u4e2d\u7684\uff09\u201c\u52a8\u753b\u4e2d\u7684\u518d\u6b21\u8fc7\u6e21\u201d\uff0c\u663e\u793a\u548c\u72b6\u6001\u7684\u4e0d\u4e00\u81f4\u4ecd\u7136\u4f1a\u6301\u7eed\u3002<\/ol>\n<\/li>\n<\/ol>\n

                                           <\/p>\n

                                            \n
                                          1. \n
                                              \u5373\u4f7f\u4e24\u4e2a\u72b6\u6001\u4e4b\u95f4\u6ca1\u6709\u663e\u793a\u5dee\u5f02\uff0c\u5b9e\u9645\u4e0a\u4ecd\u6267\u884c\u4e86\u52a8\u753b\u3002\u5728\u6b64\u671f\u95f4\u53d1\u751f\u52a8\u753b\u5c06\u88ab\u89c6\u4e3a\u201c\u52a8\u753b\u4e2d\u7684\u518d\u6b21\u8fc7\u6e21\u201d\u5904\u7406\u3002<\/ol>\n<\/li>\n<\/ol>\n

                                               <\/p>\n

                                                \u5178\u578b\u793a\u4f8b\u662f\u5728\u201c:enter\u201d\u4e2d\u8fdb\u884c\u957f\u65f6\u95f4\u7684animateChild()\u52a8\u753b\uff0c\u800c\u663e\u793a\u5dee\u5f02\u4e0d\u5b58\u5728\u3002\u901a\u8fc7\u7f29\u77ed:enter\u52a8\u753b\u7684\u6301\u7eed\u65f6\u95f4\u53ef\u4ee5\u51cf\u5c11\u5176\u53d1\u751f\u3002<\/ol>\n

                                                \u8bf7\u7ed9\u6211\u4e00\u4e2a\u4f8b\u5b50\u3002<\/p>\n

                                                \u52d5\u756b\u5b9a\u7fa9<\/p>\n

                                                import<\/span> {<\/span> trigger<\/span>,<\/span> transition<\/span>,<\/span> style<\/span>,<\/span> query<\/span>,<\/span> group<\/span>,<\/span> animate<\/span>,<\/span> animateChild<\/span>,<\/span> AnimationMetadata<\/span>,<\/span> state<\/span> }<\/span> from<\/span> '<\/span>@angular\/animations<\/span>'<\/span>;<\/span>\r\n\r\nfunction<\/span> optionalQuery<\/span>(<\/span>selector<\/span>:<\/span> string<\/span>,<\/span> animation<\/span>:<\/span> AnimationMetadata<\/span> |<\/span> AnimationMetadata<\/span>[])<\/span> {<\/span>\r\n  return<\/span> query<\/span>(<\/span>selector<\/span>,<\/span> animation<\/span>,<\/span> {<\/span> optional<\/span>:<\/span> true<\/span> });<\/span>\r\n}<\/span>\r\n\r\nexport<\/span> class<\/span> AppAnimations<\/span> {<\/span>\r\n\r\n  \/**\r\n   * \u5178\u578b\u7684\u306aFloatIn\r\n   * @param triggerName \r\n   * @param enterStart \u65b0\u3057\u3044\u72b6\u614b\u306e\u6a2a\u521d\u671f\u4f4d\u7f6e\r\n   * @param leaveDuration \u53e4\u3044\u72b6\u614b\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\u52d5\u4f5c\u6642\u9593\r\n   * @param enterDelay \u65b0\u3057\u3044\u72b6\u614b\u306e\u52d5\u4f5c\u958b\u59cb\u307e\u3067\u306e\u30c7\u30a3\u30ec\u30a4\r\n   * @param enterDuration \u65b0\u3057\u3044\u72b6\u614b\u306e\u30c7\u30a3\u30ec\u30a4\u5f8c\u306e\u52d5\u4f5c\u6642\u9593\r\n   * @returns \r\n   *\/<\/span>\r\n  static<\/span> floatIn<\/span>(<\/span>triggerName<\/span>:<\/span> string<\/span>,<\/span> enterStart<\/span>:<\/span> string<\/span> =<\/span> '<\/span>-1%<\/span>'<\/span>,<\/span> leaveDuration<\/span>:<\/span> string<\/span> =<\/span> '<\/span>100ms<\/span>'<\/span>,<\/span> enterDelay<\/span>:<\/span> string<\/span> =<\/span> '<\/span>100ms<\/span>'<\/span>,<\/span> enterDuration<\/span>:<\/span> string<\/span> =<\/span> '<\/span>300ms<\/span>'<\/span>)<\/span> {<\/span>\r\n    return<\/span> trigger<\/span>(<\/span>triggerName<\/span>,<\/span> [<\/span>\r\n      transition<\/span>(<\/span>'<\/span>* <=> *<\/span>'<\/span>,<\/span> [<\/span>\r\n        style<\/span>({<\/span> position<\/span>:<\/span> '<\/span>relative<\/span>'<\/span> }),<\/span>\r\n        optionalQuery<\/span>(<\/span>'<\/span>:enter, :leave<\/span>'<\/span>,<\/span> [<\/span>style<\/span>({<\/span> position<\/span>:<\/span> '<\/span>absolute<\/span>'<\/span>,<\/span> top<\/span>:<\/span> 0<\/span>,<\/span> left<\/span>:<\/span> 0<\/span>,<\/span> width<\/span>:<\/span> '<\/span>100%<\/span>'<\/span> })]),<\/span>\r\n        optionalQuery<\/span>(<\/span>'<\/span>:enter<\/span>'<\/span>,<\/span> [<\/span>style<\/span>({<\/span> left<\/span>:<\/span> enterStart<\/span>,<\/span> opacity<\/span>:<\/span> 0<\/span> })]),<\/span>\r\n        group<\/span>([<\/span>\r\n          optionalQuery<\/span>(<\/span>'<\/span>:leave<\/span>'<\/span>,<\/span> [<\/span>animate<\/span>(<\/span>`<\/span>${<\/span>leaveDuration<\/span>}<\/span> ease-out`<\/span>,<\/span> style<\/span>({<\/span> opacity<\/span>:<\/span> 0<\/span> }))]),<\/span>\r\n          optionalQuery<\/span>(<\/span>'<\/span>:enter<\/span>'<\/span>,<\/span> [<\/span>animate<\/span>(<\/span>`<\/span>${<\/span>enterDuration<\/span>}<\/span> ${<\/span>enterDelay<\/span>}<\/span> ease-out`<\/span>,<\/span> style<\/span>({<\/span> left<\/span>:<\/span> '<\/span>0%<\/span>'<\/span>,<\/span> opacity<\/span>:<\/span> 1<\/span> }))]),<\/span>\r\n        ]),<\/span>\r\n        optionalQuery<\/span>(<\/span>'<\/span>@*<\/span>'<\/span>,<\/span> animateChild<\/span>()),<\/span>\r\n      ])<\/span>\r\n    ]);<\/span>\r\n  }<\/span>\r\n\r\n  \/**\r\n   * \u5178\u578b\u7684\u306aOpenClose\u3002\u72b6\u614b\uff1aopen, closed\r\n   * \r\n   * Angular14\u4ee5\u964d\u3001\u3053\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u65bd\u3059\u308b\u3068Console\u306b\u8b66\u544a\u304c\u51fa\u307e\u3059\u3002  \r\n   * \uff08'pointer-events'\u3084overflow\u306e\u6307\u5b9a\u306f\u4e00\u822c\u7684\u3060\u304c\u3001\u8b66\u544a\u304c\u51fa\u3066\u3057\u307e\u3046\uff09  \r\n   * \u8a73\u7d30\u306f\u4ee5\u4e0b\u306eissue\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002  \r\n   * https:\/\/github.com\/angular\/angular\/issues\/46928  \r\n   * @param triggerName \r\n   * @param duration \u52d5\u4f5c\u6642\u9593\r\n   * @param ease '', 'ease', 'ease-in', 'ease-out', 'ease-in-out', 'cubic-bezier(x1, y1, x2, y2)'\r\n   * @param enterDuration animateChild()\u3067:enter\u3059\u308b\u969b\u306e\u6319\u52d5\u5bfe\u7b56\u3002\u77ed\u3044\u6642\u9593\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u554f\u984c\u3092\u767a\u751f\u3055\u305b\u3065\u3089\u304f\u3059\u308b\r\n   * @returns \r\n   *\/<\/span>\r\n  static<\/span> openClose<\/span>(<\/span>triggerName<\/span>:<\/span> string<\/span> =<\/span> '<\/span>openClose<\/span>'<\/span>,<\/span> duration<\/span>:<\/span> string<\/span> =<\/span> '<\/span>300ms<\/span>'<\/span>,<\/span> ease<\/span>:<\/span> string<\/span> =<\/span> '<\/span>ease<\/span>'<\/span>,<\/span> enterDuration<\/span>:<\/span> string<\/span> =<\/span> '<\/span>100ms<\/span>'<\/span>)<\/span> {<\/span>\r\n    return<\/span> trigger<\/span>(<\/span>triggerName<\/span>,<\/span> [<\/span>\r\n      state<\/span>(<\/span>'<\/span>open<\/span>'<\/span>,<\/span> style<\/span>({<\/span> height<\/span>:<\/span> '<\/span>*<\/span>'<\/span>,<\/span> opacity<\/span>:<\/span> 1<\/span> })),<\/span>\r\n      state<\/span>(<\/span>'<\/span>closed<\/span>'<\/span>,<\/span> style<\/span>({<\/span> height<\/span>:<\/span> '<\/span>0px<\/span>'<\/span>,<\/span> opacity<\/span>:<\/span> 0<\/span>,<\/span> '<\/span>pointer-events<\/span>'<\/span>:<\/span> '<\/span>none<\/span>'<\/span>,<\/span> padding<\/span>:<\/span> 0<\/span>,<\/span> overflow<\/span>:<\/span> '<\/span>hidden<\/span>'<\/span> })),<\/span>\r\n      transition<\/span>(<\/span>'<\/span>:enter<\/span>'<\/span>,<\/span> [<\/span>animate<\/span>(<\/span>`<\/span>${<\/span>enterDuration<\/span>}<\/span> ${<\/span>ease<\/span>}<\/span>`<\/span>)]),<\/span>\r\n      transition<\/span>(<\/span>'<\/span>* <=> *<\/span>'<\/span>,<\/span> [<\/span>animate<\/span>(<\/span>`<\/span>${<\/span>duration<\/span>}<\/span> ${<\/span>ease<\/span>}<\/span>`<\/span>)]),<\/span>\r\n    ]);<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                \u8bf7\u5728\u4f7f\u7528\u7aef\uff08app.component.ts \/ html\uff09\u4e0a\u8bbe\u7f6e\u6bcf\u4e2a\u9875\u9762\u7684\u8def\u7531\uff0c\u4f8b\u5982{ animation: ‘\u7279\u5b9a\u7684\u72b6\u6001\u540d\u79f0’ }\u3002<\/p>\n
                                                @<\/span>Component<\/span>({<\/span>\r\n  selector<\/span>:<\/span> '<\/span>app-root<\/span>'<\/span>,<\/span>\r\n  templateUrl<\/span>:<\/span> '<\/span>.\/app.component.html<\/span>'<\/span>,<\/span>\r\n  styleUrls<\/span>:<\/span> [<\/span>'<\/span>.\/app.component.scss<\/span>'<\/span>],<\/span>\r\n  animations<\/span>:<\/span> [<\/span>AppAnimations<\/span>.<\/span>floatIn<\/span>(<\/span>'<\/span>routeAnimations<\/span>'<\/span>)]<\/span>\r\n})<\/span>\r\nexport<\/span> class<\/span> AppComponent<\/span> {<\/span>\r\n...<\/span>\r\n  getRouteAnimationData<\/span>()<\/span> {<\/span>\r\n    return<\/span> this<\/span>.<\/span>contexts<\/span>.<\/span>getContext<\/span>(<\/span>'<\/span>primary<\/span>'<\/span>)?.<\/span>route<\/span>?.<\/span>snapshot<\/span>?.<\/span>data<\/span>?.[<\/span>'<\/span>animation<\/span>'<\/span>];<\/span>\r\n  }<\/span>\r\n...<\/span>\r\n<\/code><\/pre>\n
                                                ...\r\n<div<\/span> [@<\/span>routeAnimations]=<\/span>\"getRouteAnimationData()\"<\/span>><\/span>\r\n  <router-outlet><\/router-outlet><\/span>\r\n<\/div><\/span>\r\n<\/code><\/pre>\n
                                                \u4f7f\u7528\u4fa7\uff08\u7f51\u9875 ts \/ html\uff09<\/p>\n
                                                @<\/span>Component<\/span>({<\/span>\r\n  selector<\/span>:<\/span> '<\/span>app-sample-a2<\/span>'<\/span>,<\/span>\r\n  templateUrl<\/span>:<\/span> '<\/span>.\/sample-a2.component.html<\/span>'<\/span>,<\/span>\r\n  styleUrls<\/span>:<\/span> [<\/span>'<\/span>.\/sample-a2.component.scss<\/span>'<\/span>],<\/span>\r\n  animations<\/span>:<\/span> [<\/span>AppAnimations<\/span>.<\/span>openClose<\/span>(<\/span>'<\/span>slowOpenClose<\/span>'<\/span>,<\/span> '<\/span>2000ms<\/span>'<\/span>,<\/span> '<\/span>cubic-bezier(0.5, 0, 0.1, 1)<\/span>'<\/span>),<\/span> AppAnimations<\/span>.<\/span>openClose<\/span>(<\/span>'<\/span>fastOpenClose<\/span>'<\/span>,<\/span> '<\/span>100ms<\/span>'<\/span>)]<\/span>\r\n})<\/span>\r\nexport<\/span> class<\/span> SampleA2Component<\/span> {<\/span>\r\n\r\n  isOpen1<\/span>:<\/span> boolean<\/span> =<\/span> true<\/span>;<\/span>\r\n  isOpen2<\/span>:<\/span> boolean<\/span> =<\/span> false<\/span>;<\/span>\r\n\r\n...<\/span>\r\n\r\n  changeIsOpen1_click<\/span>():<\/span> void<\/span> {<\/span>\r\n    this<\/span>.<\/span>isOpen1<\/span> =<\/span> !<\/span>this<\/span>.<\/span>isOpen1<\/span>;<\/span>\r\n  }<\/span>\r\n\r\n  changeIsOpen2_click<\/span>():<\/span> void<\/span> {<\/span>\r\n    this<\/span>.<\/span>isOpen2<\/span> =<\/span> !<\/span>this<\/span>.<\/span>isOpen2<\/span>;<\/span>\r\n  }<\/span>\r\n<\/code><\/pre>\n
                                                <div<\/span> [@<\/span>slowOpenClose]=<\/span>\"isOpen1 ? 'open' : 'closed'\"<\/span>><\/span>\r\n   <!-- etc. --><\/span>\r\n<\/div><\/span>\r\n<div<\/span> [@<\/span>fastOpenClose]=<\/span>\"isOpen2 ? 'open' : 'closed'\"<\/span>><\/span>\r\n   <!-- etc. --><\/span>\r\n<\/div><\/span>\r\n<\/code><\/pre>\n
                                                \u5982\u679c\u5c06enterDuration\u8bbe\u7f6e\u4e3a2000ms\u7b49\u8f83\u957f\u65f6\u95f4\uff0c\u5219\u4f3c\u4e4e\u4f1a\u51fa\u73b08~11\u7684\u884c\u4e3a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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