{"id":103530,"date":"2025-03-28T13:15:01","date_gmt":"2025-03-28T08:45:01","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/harmonyos-next-practical-%d8%a8%d8%b2%d8%b1%da%af%d9%86%d9%85%d8%a7%db%8c%db%8c-%d9%88-%da%a9%d8%a7%d9%87%d8%b4-%d8%aa%d8%b5%d9%88%db%8c%d8%b1\/"},"modified":"2025-03-28T13:15:01","modified_gmt":"2025-03-28T08:45:01","slug":"harmonyos-next-practical-%d8%a8%d8%b2%d8%b1%da%af%d9%86%d9%85%d8%a7%db%8c%db%8c-%d9%88-%da%a9%d8%a7%d9%87%d8%b4-%d8%aa%d8%b5%d9%88%db%8c%d8%b1","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/harmonyos-next-practical-%d8%a8%d8%b2%d8%b1%da%af%d9%86%d9%85%d8%a7%db%8c%db%8c-%d9%88-%da%a9%d8%a7%d9%87%d8%b4-%d8%aa%d8%b5%d9%88%db%8c%d8%b1\/","title":{"rendered":"Harmonyos Next Practical: \u0628\u0632\u0631\u06af\u0646\u0645\u0627\u06cc\u06cc \u0648 \u06a9\u0627\u0647\u0634 \u062a\u0635\u0648\u06cc\u0631"},"content":{"rendered":"
\n

\u0647\u062f\u0641: \u0627\u0632 \u062f\u0648 \u0627\u0646\u06af\u0634\u062a \u0628\u0631\u0627\u06cc \u062e\u0631\u062c \u06a9\u0631\u062f\u0646 \u0648 \u0628\u0632\u0631\u06af\u0646\u0645\u0627\u06cc\u06cc \u062f\u0631 \u062f\u0627\u062e\u0644 \u0648 \u062e\u0627\u0631\u062c \u0627\u0632 \u062a\u0635\u0648\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n

\u0646\u06a9\u0627\u062a \u062f\u0627\u0646\u0634:
Pinchgesture \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0698\u0633\u062a \u062e\u0631\u062c \u060c \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 2 \u0627\u0646\u06af\u0634\u062a \u0648 \u062d\u062f\u0627\u06a9\u062b\u0631 5 \u0627\u0646\u06af\u0634\u062a \u0648 \u062d\u062f\u0627\u0642\u0644 \u0641\u0627\u0635\u0644\u0647 \u062a\u0634\u062e\u06cc\u0635 5 \u0648\u0644\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.
\u0631\u0627\u0628\u0637<\/p>\n

\n
PinchGesture(value?:{fingers?:number, distance?:number})\n<\/code><\/pre>\n
\n
\n    \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u0698\u0633\u062a Pinch \u0628\u0631\u0627\u06cc \u062a\u062d\u0631\u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u062d\u0631\u06a9\u0627\u062a pinch \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062f\u0627\u0631\u0627\u06cc \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u0627\u0633\u062a:<\/p>\n
    \n
  1. \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u062f\u0633\u062a: \u0628\u0631\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u062d\u062f\u0627\u0642\u0644 \u062a\u0639\u062f\u0627\u062f \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062d\u0631\u06a9\u0627\u062a \u067e\u06cc\u0646 \u060c \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 \u0645\u0642\u062f\u0627\u0631 2 \u060c \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u0642\u062f\u0627\u0631 5 \u0648 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 2 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u062d\u0631\u06a9\u0627\u062a \u0645\u0627\u0634\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u062a\u0639\u062f\u0627\u062f \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u060c \u0627\u0645\u0627 \u0641\u0642\u0637 \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u06a9\u0647 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u0642\u0631\u0627\u0631 \u0645\u06cc \u06af\u06cc\u0631\u0646\u062f \u0648 \u062f\u0627\u0631\u0627\u06cc \u062a\u0639\u062f\u0627\u062f \u0645\u0634\u0627\u0628\u0647\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u062d\u0631\u06a9\u0627\u062a \u0634\u0631\u06a9\u062a \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/li>\n
  2. \u0641\u0627\u0635\u0644\u0647: \u0628\u0631\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u062d\u062f\u0627\u0642\u0644 \u0641\u0627\u0635\u0644\u0647 \u0627\u06cc \u06a9\u0647 \u0628\u0627\u0639\u062b \u062d\u0631\u06a9\u0627\u062a \u067e\u06cc\u0646\u0686 \u0645\u06cc \u0634\u0648\u062f \u060c \u062f\u0631 VP \u060c \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 5. \u062a\u0648\u0636\u06cc\u062d: \u062f\u0627\u0645\u0646\u0647 \u0645\u0642\u062f\u0627\u0631:[0\u060c+\u221e)\u0647\u0646\u06af\u0627\u0645\u06cc\u06a9\u0647\u0645\u0642\u062f\u0627\u0631\u0641\u0627\u0635\u0644\u0647\u062a\u0634\u062e\u06cc\u0635\u06a9\u0645\u062a\u0631\u06cc\u0627\u0628\u0631\u0627\u0628\u0631\u0628\u06270\u0628\u0627\u0634\u062f\u060c\u0628\u0647\u0645\u0642\u062f\u0627\u0631\u067e\u06cc\u0634\u0641\u0631\u0636\u062a\u0628\u062f\u06cc\u0644\u0645\u06cc\u0634\u0648\u062f[0+\u221e)Whentherecognitiondistancevalueislessthanorequalto0itwillbeconvertedtothedefaultvalue<\/li>\n<\/ol>\n
    API15 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u062f:
    isfingercountlimited
    \u062a\u0639\u062f\u0627\u062f \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u062f\u0633\u062a \u0631\u0627 \u0644\u0645\u0633 \u06a9\u0646\u06cc\u062f. \u0627\u06af\u0631 \u062a\u0639\u062f\u0627\u062f \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u062f\u0633\u062a \u0628\u0647 \u0635\u0641\u062d\u0647 \u0646\u0645\u0627\u06cc\u0634 \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 \u062a\u0639\u062f\u0627\u062f \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u062a\u0646\u0638\u06cc\u0645 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u062a\u062d\u0631\u06cc\u06a9 \u067e\u06cc\u0646\u0686 \u0646\u0628\u0627\u0634\u062f (\u06cc\u0639\u0646\u06cc \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u0630\u06a9\u0631 \u0634\u062f\u0647 \u062f\u0631 \u0628\u0627\u0644\u0627) \u060c \u0698\u0633\u062a \u062a\u0634\u062e\u06cc\u0635 \u062f\u0627\u062f\u0647 \u0646\u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0698\u0633\u062a \u0641\u0642\u0637 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0642\u0627\u0628\u0644 \u062a\u0634\u062e\u06cc\u0635 \u0627\u0633\u062a \u0648\u0642\u062a\u06cc \u06a9\u0647 \u0634\u0627\u062e\u0635 \u062f\u0633\u062a \u0644\u0645\u0633 \u06a9\u0631\u062f\u0646 \u0635\u0641\u062d\u0647 \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 \u062a\u0639\u062f\u0627\u062f \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u062a\u0646\u0638\u06cc\u0645 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u062a\u062d\u0631\u06cc\u06a9 \u0698\u0633\u062a \u067e\u06cc\u0646 \u0628\u0627\u0634\u062f \u060c \u0648 \u0641\u0627\u0635\u0644\u0647 \u06a9\u0634\u0648\u06cc\u06cc \u0646\u06cc\u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f (\u0641\u0642\u0637 \u062f\u0648 \u0627\u0646\u06af\u0634\u062a \u06a9\u0647 \u0627\u0628\u062a\u062f\u0627 \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u062d\u0631\u06a9\u0627\u062a \u0634\u0631\u06a9\u062a \u0645\u06cc \u06a9\u0646\u0646\u062f \u060c \u0627\u06af\u0631 \u06cc\u06a9\u06cc \u0627\u0632 \u0622\u0646\u0647\u0627 \u0628\u0631\u062f\u0627\u0634\u062a\u0647 \u0634\u0648\u062f \u060c \u062a\u0634\u062e\u06cc\u0635 \u062d\u0631\u06a9\u0627\u062a \u0634\u06a9\u0633\u062a \u0645\u06cc \u062e\u0648\u0631\u062f). \u0628\u0631\u0627\u06cc \u062d\u0631\u06a9\u0627\u062a\u06cc \u06a9\u0647 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0628\u0647 \u0631\u0633\u0645\u06cc\u062a \u0634\u0646\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u060c \u062a\u063a\u06cc\u06cc\u0631 \u062a\u0639\u062f\u0627\u062f \u0627\u0646\u06af\u0634\u062a\u0627\u0646 \u062f\u0633\u062a \u062f\u0631 \u0635\u0641\u062d\u0647 \u062f\u0631 \u0622\u06cc\u0646\u062f\u0647 \u0628\u0627\u0639\u062b \u0627\u06cc\u062c\u0627\u062f \u0631\u0648\u06cc\u062f\u0627\u062f Onactionupdate \u0646\u0645\u06cc \u0634\u0648\u062f \u060c \u0627\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0639\u062b \u0627\u06cc\u062c\u0627\u062f \u0631\u0648\u06cc\u062f\u0627\u062f Onactionend \u0634\u0648\u062f. \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636: FALSE<\/p>\n
    \u0648\u0627\u0642\u0639\u0647<\/p>\n
    \n
    onActionStart(event:(event: GestureEvent) => void)  \/\/Pinch gesture recognition successfully callback.\nonActionUpdate(event:(event: GestureEvent) => void) \/\/Pinch gesture callback during movement.\nonActionEnd(event:(event: GestureEvent) => void)    \/\/Pinch gesture recognition successful, triggering a callback when the finger is raised.\nonActionCancel(event: () => void)   \/\/Pinch gesture recognition successful, triggered callback upon receiving touch cancellation event.\n<\/code><\/pre>\n
    \n
    \n    \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
        \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
    \u0648\u06cc\u0698\u06af\u06cc
    \u0628\u0631\u0686\u0633\u0628 \uff1a \u067e\u0631\u0686\u0645 \u0698\u0633\u062a Pinch \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u062d\u0631\u06a9\u0627\u062a \u0645\u062d\u062f\u0648\u062f \u0647\u0646\u06af\u0627\u0645 \u062a\u0646\u0638\u06cc\u0645 \u0642\u0636\u0627\u0648\u062a \u062d\u0631\u06a9\u0627\u062a \u0631\u0627 \u0645\u062a\u0645\u0627\u06cc\u0632 \u06a9\u0646\u06cc\u062f.
    \u0645\u062c\u0627\u0632\u0627\u062a \u0647\u0627\u06cc \u0645\u062c\u0627\u0632 \uff1a \u0645\u0646\u0628\u0639 \u0648\u0631\u0648\u062f\u06cc \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0627 \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0698\u0633\u062a pinch \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f \u060c \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f.<\/p>\n
    \u0645\u0628\u0627\u0631\u0632\u0647 \u0648\u0627\u0642\u0639\u06cc: ImageEnlargementRuctionDemopage<\/p>\n
    \n
    @Entry\n@Component\nstruct ImageEnlargementReductionDemoPage {\n  @State scaleValue: number = 1;\n  @State pinchValue: number = 1;\n  @State pinchX: number = 0;\n  @State pinchY: number = 0;\n\n  build() {\n    Stack({ alignContent: Alignment.Top }) {\n      Image('https:\/\/pica.zhimg.com\/v2-764199c9470ff436082f35610f1f81f4_1440w.jpg')\n        .width('100%')\n          \/\/ \u5728\u7ec4\u4ef6\u4e0a\u7ed1\u5b9a\u7f29\u653e\u6bd4\u4f8b\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u7f29\u653e\u6bd4\u4f8b\u6765\u5b9e\u73b0\u7ec4\u4ef6\u7684\u7f29\u5c0f\u6216\u8005\u653e\u5927\n        .scale({ x: this.scaleValue, y: this.scaleValue, z: 1 })\n        .gesture(\n          \/\/ \u5728\u7ec4\u4ef6\u4e0a\u7ed1\u5b9a2\u6307\u89e6\u53d1\u7684\u634f\u5408\u624b\u52bf\n          PinchGesture({ fingers: 2 })\n            .onActionStart((event: GestureEvent | undefined) => {\n              console.info('Pinch start');\n            })\n              \/\/ \u5f53\u634f\u5408\u624b\u52bf\u89e6\u53d1\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u56de\u8c03\u51fd\u6570\u83b7\u53d6\u7f29\u653e\u6bd4\u4f8b\uff0c\u4ece\u800c\u4fee\u6539\u7ec4\u4ef6\u7684\u7f29\u653e\u6bd4\u4f8b\n            .onActionUpdate((event: GestureEvent | undefined) => {\n              if (event) {\n                this.scaleValue = this.pinchValue * event.scale;\n                this.pinchX = event.pinchCenterX;\n                this.pinchY = event.pinchCenterY;\n              }\n            })\n            .onActionEnd(() => {\n              this.pinchValue = this.scaleValue;\n              console.info('Pinch end');\n            })\n        )\n\n      Text('\u56fe\u7247\u653e\u5927\u7f29\u5c0fDemo')\n        .fontColor(Color.Orange)\n        .fontSize(24)\n    }\n    .width('100%')\n    .height('100%')\n  }\n}\n<\/code><\/pre>\n
    \n
    \n    \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
        \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"
    \u0647\u062f\u0641: \u0627\u0632 \u062f\u0648 \u0627\u0646\u06af\u0634\u062a \u0628\u0631\u0627\u06cc \u062e\u0631\u062c \u06a9\u0631\u062f\u0646 \u0648 \u0628\u0632\u0631\u06af\u0646\u0645\u0627\u06cc\u06cc \u062f\u0631 \u062f\u0627\u062e\u0644 \u0648 \u062e\u0627\u0631\u062c \u0627\u0632 \u062a\u0635\u0648\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u0646\u06a9\u0627\u062a \u062f\u0627\u0646\u0634:Pinchgesture \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0698\u0633\u062a \u062e\u0631\u062c \u060c \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 2 \u0627\u0646\u06af\u0634\u062a \u0648 \u062d\u062f\u0627\u06a9\u062b\u0631 5 \u0627\u0646\u06af\u0634\u062a \u0648 \u062d\u062f\u0627\u0642\u0644 \u0641\u0627\u0635\u0644\u0647 \u062a\u0634\u062e\u06cc\u0635 5 \u0648\u0644\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.\u0631\u0627\u0628\u0637 PinchGesture(value?:{fingers?:number, distance?:number}) \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c …<\/p>\n","protected":false},"author":2,"featured_media":103531,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/media2.dev.to\/dynamic\/image\/width=1000,height=500,fit=cover,gravity=auto,format=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fkll8qkokzlc26tiokl74.png","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-103530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/103530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=103530"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/103530\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/103531"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=103530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=103530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=103530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}