adb shell /system/bin/screencap -p /sdcard/screenshot.png(保存到SDCard)
adb pull /sdcard/screenshot.png d:/screenshot.png(保存到电脑)
$ adb shell screencap -p /sdcard/screen.png 1. 截图保存到sdcard$ adb pull /sdcard/screen.png 2.将图片导出$ adb shell rm /sdcard/screen.png 3.删除sdcard中的图片