同方2011专转本计算机

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1、namespaceW_{publicpartialclassForm1:Form{boolisDotpressed=false;decimaldOpDaTa1,dOpDaTa2,dreguet;charcOperator;publicForm1(){InitializeComponent();}privatevoidbt9_Click(objectsender,EventArgse){tbregust.Text=tbregust.Text+"9";}privatevoidbt8_Click(objectsender,E

2、ventArgse){tbregust.Text=tbregust.Text+"8";}privatevoidbt7_Click(objectsender,EventArgse){tbregust.Text=tbregust.Text+"7";}privatevoidbt6_Click(objectsender,EventArgse){tbregust.Text=tbregust.Text+"6";}privatevoidbt5_Click(objectsender,EventArgse){tbregust.Text=

3、tbregust.Text+"5";}privatevoidbt4_Click(objectsender,EventArgse){tbregust.Text=tbregust.Text+"4";}privatevoidbt3_Click(objectsender,EventArgse){tbregust.Text=tbregust.Text+"3";}privatevoidbt2_Click(objectsender,EventArgse){tbregust.Text=tbregust.Text+"2";}privat

4、evoidbt1_Click(objectsender,EventArgse){tbregust.Text=tbregust.Text+"1";}privatevoidbutton1_Click(objectsender,EventArgse){if(!isDotpressed){tbregust.Text=tbregust.Text+".";isDotpressed=true;}}privatevoidbutton10_Click(objectsender,EventArgse)（加法输入）{dOpDaTa1=dec

5、imal.Parse(tbregust.Text);tbregust.Text="";isDotpressed=false;cOperator='+';}privatevoidbtcal_Click(objectsender,EventArgse)（等于）输入{dOpDaTa2=decimal.Parse(tbregust.Text);switch(cOperator){case'+':dreguet=dOpDaTa1+dOpDaTa2;tbregust.Text=dreguet.ToString();break;ca

6、se'-':（分号）dreguet=dOpDaTa1-dOpDaTa2;tbregust.Text=dreguet.ToString();break;default:（分号）break;}}privatevoidbtsub_Click(objectsender,EventArgse)（减法）{dOpDaTa1=decimal.Parse(tbregust.Text);tbregust.Text="";isDotpressed=false;cOperator='-';}}}