HarmonyOS 如何获取屏幕分辨率？

Question

如题：HarmonyOS 如何获取屏幕分辨率？

Answer 1

1.hdc\_std shell hidumper -s 10 -a screen

2.使用display.getAllDisplays：

let displayClass: Array<display.Display> =[]; 
let promise: Promise<Array<display.Display>> = display.getAllDisplays(); 
promise.then((data: Array<display.Display>) => { 
  displayClass = data; 
  console.info('Succeeded in obtaining all the display objects. Data: ' + JSON.stringify(data)); 
}).catch((err: BusinessError) => { 
  console.error('Failed to obtain all the display objects. Code: ' + JSON.stringify(err)); 
});

https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-display-V5\#displaygetalldisplays9