qt简单界面更新代码（菜鸟级）（部分代码）

qt简单界面更新代码（菜鸟级）（部分代码）
self.timers_1=QtCore.QTimer(self)
self.timers_1.timeout.connect(self.min_1)
self.timers_1.start(1000)
def getCPUstate(self,interval=1):
       return (" CPU: " + str(psutil.cpu_percent(interval)) + "%")
   def getMemorystate(self):
       phymem = psutil.phymem_usage()
       buffers = getattr(psutil, 'phymem_buffers', lambda: 0)()
       cached = getattr(psutil, 'cached_phymem', lambda: 0)()
       used = phymem.total - (phymem.free + buffers + cached)
       line = " Memory: %5s%% %6s/%s" % (
           phymem.percent,
           str(int(used / 1024 / 1024)) + "M",
           str(int(phymem.total / 1024 / 1024)) + "M")
       #self.n.start(1000)
       self._tools.threaings_python_cache.setText(unicode(line))
def poll(self,interval):
       tot_before = psutil.network_io_counters()
       pnic_before = psutil.network_io_counters(pernic=True)
       tot_after = psutil.network_io_counters()
       pnic_after = psutil.network_io_counters(pernic=True)
       cpu_state = self.getCPUstate(interval)
       memory_state =self.getMemorystate()
       return (tot_before, tot_after, pnic_before, pnic_after,cpu_state,memory_state)
def refresh_window(self,tot_before, tot_after, pnic_before, pnic_after,cpu_state,memory_state):
       #self.n.start(1000)
       self._tools.threaings_python_cpu.setText(unicode(cpu_state))
def min_1(self):
       interval = 1
       args = self.poll(interval)
       self.refresh_window(*args)
       interval = 1
self.timers_1.timeout.connect(self.min_1)核心语句是这句