中频电池电量声明

debugcn 发表于 Dev

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我正在使用C＃编写语音识别程序，并且编译了几行代码，当我说“电池电量”时，它们可以说出当前的电池电量。

if (e.Result.Text.ToLower() == "battery level")
        {
            System.Management.ManagementClass wmi = new System.Management.ManagementClass("Win32_Battery");
            var allBatteries = wmi.GetInstances();
            String estimatedChargeRemaining = String.Empty;

            foreach (var battery in allBatteries)
            {
                estimatedChargeRemaining = Convert.ToString(battery["EstimatedChargeRemaining"]);
            }

            JARVIS.Speak("The Power Level Is At: " + estimatedChargeRemaining + "% sir");
            return;
        }

在此我想创建另一条 if语句来提醒我，如果电池电量已降至25％以下。如何才能做到这一点？我猜会是类似“，if estimatedChargeRemaining < 25 then JARVIS.Speak("Warning, Battery level has dropped below 25%")但我不太确定。

键盘

我不确定battery["EstimatedChargeRemaining"]返回哪种格式，但是您似乎可以将其转换为int而不是字符串。

int batteryLevel = Convert.ToInt32(battery["EstimatedChargeRemaining"]);
if(batteryLevel < 25)       
   JARVIS.Speak("Warning, Battery level has dropped below 25%");

然后，您可以稍后使用该batteryLevel变量

JARVIS.Speak("The Power Level Is At: " + batteryLevel.ToString() + "% sir");

不确定是否要这样做，但是foreach循环意味着您只会得到中的最后一个值的电池信息allBatteries。所有先前的值将被覆盖。

编辑评论（您应该添加错误处理）

if (e.Result.Text.ToLower() == "battery level")
{
    System.Management.ManagementClass wmi = new System.Management.ManagementClass("Win32_Battery");
    var allBatteries = wmi.GetInstances();
    //String estimatedChargeRemaining = String.Empty;
    int batteryLevel = 0;

    foreach (var battery in allBatteries)
    {
        batteryLevel = Convert.ToInt32(battery["EstimatedChargeRemaining"]);
    }

    if(batteryLevel < 25)       
       JARVIS.Speak("Warning, Battery level has dropped below 25%");
    else //Guessing you want else
       JARVIS.Speak("The Power Level Is At: " + batteryLevel.ToString() + "% sir");
    return;
}