Qt获取并显示电池电量和WIFI信号强度

[{"title":"（ 28 个子文件 549KB ） Qt获取并显示电池电量和WIFI信号强度","children":[{"title":"TestBatteryWIFI","children":[{"title":"testbatterywifi.qrc <span style='color:#111;'> 514B </span>","children":null,"spread":false},{"title":"Makefile.Debug <span style='color:#111;'> 41.09KB </span>","children":null,"spread":false},{"title":"widget.h <span style='color:#111;'> 408B </span>","children":null,"spread":false},{"title":"widget.ui <span style='color:#111;'> 2.15KB </span>","children":null,"spread":false},{"title":"icons","children":[{"title":"BatteryIcon4.png <span style='color:#111;'> 3.88KB </span>","children":null,"spread":false},{"title":"WirelessIcon.png <span style='color:#111;'> 3.32KB </span>","children":null,"spread":false},{"title":"BatteryIcon.png <span style='color:#111;'> 3.56KB </span>","children":null,"spread":false},{"title":"WirelessIcon2.png <span style='color:#111;'> 3.49KB </span>","children":null,"spread":false},{"title":"BatteryIcon2.png <span style='color:#111;'> 3.38KB </span>","children":null,"spread":false},{"title":"WirelessIcon4.png <span style='color:#111;'> 4.35KB </span>","children":null,"spread":false},{"title":"BatteryIcon1.png <span style='color:#111;'> 3.49KB </span>","children":null,"spread":false},{"title":"BatteryIcon3.png <span style='color:#111;'> 3.28KB </span>","children":null,"spread":false},{"title":"WirelessIcon1.png <span style='color:#111;'> 3.43KB </span>","children":null,"spread":false},{"title":"WirelessIcon3.png <span style='color:#111;'> 3.52KB </span>","children":null,"spread":false}],"spread":true},{"title":"Makefile.Release <span style='color:#111;'> 41.18KB </span>","children":null,"spread":false},{"title":"ui_widget.h <span style='color:#111;'> 2.96KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"debug","children":[{"title":"moc_widget.cpp <span style='color:#111;'> 3.26KB </span>","children":null,"spread":false},{"title":"qrc_testbatterywifi.o <span style='color:#111;'> 40.56KB </span>","children":null,"spread":false},{"title":"qrc_testbatterywifi.cpp <span style='color:#111;'> 190.45KB </span>","children":null,"spread":false},{"title":"moc_widget.o <span style='color:#111;'> 180.97KB </span>","children":null,"spread":false},{"title":"widget.o <span style='color:#111;'> 332.99KB </span>","children":null,"spread":false},{"title":"main.o <span style='color:#111;'> 324.54KB </span>","children":null,"spread":false},{"title":"TestBatteryWIFI.exe <span style='color:#111;'> 917.10KB </span>","children":null,"spread":false}],"spread":true},{"title":"Makefile <span style='color:#111;'> 24.86KB </span>","children":null,"spread":false},{"title":"TestBatteryWIFI.pro.user <span style='color:#111;'> 23.06KB </span>","children":null,"spread":false},{"title":"widget.cpp <span style='color:#111;'> 4.16KB </span>","children":null,"spread":false},{"title":"release","children":null,"spread":false},{"title":"TestBatteryWIFI.pro <span style='color:#111;'> 438B </span>","children":null,"spread":false}],"spread":false}],"spread":true}]