StringCopy="";
/**CreatesnewformJisuan*/
publicJisuan(){
initComponents();
jButton8.addActionListener(this);
jButton9.addActionListener(this);
jButton10.addActionListener(this);
jButton11.addActionListener(this);
jButton12.addActionListener(this);
jButton13.addActionListener(this);
jButton14.addActionListener(this);
jButton15.addActionListener(this);
jButton16.addActionListener(this);
jTextField1.addActionListener(this);
jMenuItem1.addActionListener(this);
jMenuItem2.addActionListener(this);
jMenuItem3.addActionListener(this);
jMenuItem4.addActionListener(this);
jMenuItem5.addActionListener(this);
jMenuItem6.addActionListener(this);
jMenuItem7.addActionListener(this);
}
//显示帮助
privatevoidjMenuItem5ActionPerformed(java.awt.event.ActionEventevt){
newHelp().setVisible(true);
}
//显示科学计算
privatevoidjMenuItem7ActionPerformed(java.awt.event.ActionEventevt){
newScience().setVisible(true);
}
//退出程序
privatevoidjMenuItem6ActionPerformed(java.awt.event.ActionEventevt){
System.exit(0);
}
//菜单中复制功能
privatevoidjMenuItem1ActionPerformed(java.awt.event.ActionEventevt){
Copy=jTextField1.getText();
}
//菜单中粘贴功能
privatevoidjMenuItem2ActionPerformed(java.awt.event.ActionEventevt){
Now=jTextField1.getText()+Copy;
jTextField1.setText(Now);
}
//实现求阶乘的函数
privatevoidjButton31ActionPerformed(java.awt.event.ActionEventevt){
i=Double.parseDouble(c);
doublen=1;
for(intm=1;m<=i;m++)
n*=m;
jTextField1.setText(String.valueOf(n));
}
//使文本域中显示按钮的值