密码操作.txt

搜集的用LABWINDOWS/CVI开发平台设计的密码检测系统源程序.

#include "toolbox.h"
#include "combobox.h"
#include "pwctrl.h"
#include "hotringctrl.h"
#include <cvirte.h>		
#include <userint.h>
#include "userandpassword.h"

static int panelpassword;
static int panelHandle;

int main (int argc, char *argv[])
{
	if (InitCVIRTE (0, argv, 0) == 0)
		return -1;	/* out of memory */
	if ((panelHandle = LoadPanel (0, "userandpassword.uir", PANEL)) < 0)
		return -1;
    
    //将String控件转化为Combo Box控件
    Combo_NewComboBox (panelHandle, PANEL_COMBO);
    
    //将String控件转化为Password控件
    PasswordCtrl_ConvertFromString (panelHandle, PANEL_PASSWORD);
    
    //向Combo Box控件中插入项目内容
	Combo_InsertComboItem (panelHandle, PANEL_COMBO, -1, "杨过");
	Combo_InsertComboItem (panelHandle, PANEL_COMBO, -1, "小龙女");
	Combo_InsertComboItem (panelHandle, PANEL_COMBO, -1, "杨康");
	Combo_InsertComboItem (panelHandle, PANEL_COMBO, -1, "郭靖");
	
	//用于控制是否显示提示内容，默认为显示
	SetCtrlToolTipAttribute (panelHandle, PANEL_CMD_OK, CTRL_TOOLTIP_ATTR_ENABLE, 1);
	
	//当鼠标悬停设置每个控件应显示提示的内容
	SetCtrlToolTipAttribute (panelHandle, PANEL_CMD_OK, CTRL_TOOLTIP_ATTR_TEXT, "这是确定按钮");
	SetCtrlToolTipAttribute (panelHandle, PANEL_CMD_CLEAR, CTRL_TOOLTIP_ATTR_TEXT, "这是取消按钮");
	SetCtrlToolTipAttribute (panelHandle, PANEL_CMD_VIEW, CTRL_TOOLTIP_ATTR_TEXT, "这是查看密码按钮");
	SetCtrlToolTipAttribute (panelHandle, PANEL_COMBO, CTRL_TOOLTIP_ATTR_TEXT, "请输入用户名");
	SetCtrlToolTipAttribute (panelHandle, PANEL_PASSWORD, CTRL_TOOLTIP_ATTR_TEXT, "请输入密码");
	
	DisplayPanel (panelHandle);
	RunUserInterface ();
	DiscardPanel (panelHandle);
	return 0;
}

int CVICALLBACK panelCB (int panel, int event, void *callbackData,
		int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_CLOSE:
			QuitUserInterface (0);
			break;
		}
	return 0;
}

//确认是否输入正确
int CVICALLBACK ok (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	int len;
	int plen;
	char *username;
	char *passwordstring;
	switch (event)
		{
		case EVENT_COMMIT:
		
			//得到Combo Box中字符串的长度
			GetCtrlAttribute (panelHandle, PANEL_COMBO, ATTR_STRING_TEXT_LENGTH, &len);
			
			//动态分配字符串长度加1的空间，最后一个空间存储结束符'\0'值
			username = (char *) malloc (len * sizeof (char) + 1);
			
			//清除用户名中的内容
			username[0] = '\0';
			
			//将用户名存储到username
			GetCtrlVal (panelHandle, PANEL_COMBO, username);
			
			//得到Password中内容的长度
			PasswordCtrl_GetAttribute (panelHandle, PANEL_PASSWORD, ATTR_PASSWORD_MAX_LENGTH, &plen);
			
			//动态分配Password长度加1的空间，最后一个空间存储结束符'\0'值 
			passwordstring = (char *) malloc (plen * sizeof (char) + 1); 
			
			//清除Password中的内容
			passwordstring[0] = '\0';
			
			//取得Password中存储的内容
			PasswordCtrl_GetAttribute (panelHandle, PANEL_PASSWORD, ATTR_PASSWORD_VAL, passwordstring); 
			
			//判断密码输入是否正确
			if ((strcmp (username, "杨过") ==0) && (strcmp (passwordstring, "yangguo") == 0))
			{
				MessagePopup ("密码", "密码正确！");
			}
			else
			{
				MessagePopup ("密码", "密码不正确！"); 	
			}
		   
		   //释放动态分配的内存
		   free (username);
		   free (passwordstring);
			break;
		}
	return 0;
}

int CVICALLBACK clear (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_COMMIT:
			
			//清除密码
			PasswordCtrl_SetAttribute (panelHandle, PANEL_PASSWORD, ATTR_PASSWORD_VAL, "");
			break;
		}
	return 0;
}

int CVICALLBACK passwordview (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_COMMIT:
			panelpassword = LoadPanel (0, "userandpassword.uir", PANEL_2);
			
			//采用模式对话框 
			InstallPopup (panelpassword);
			break;
		}
	return 0;
}

int CVICALLBACK timer (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	int keymodifiers;
	int rightdwon = 0;
	int leftdwon = 0;
	int y;
	int x;
	int len;
	char *passwordstring;	
	char message[100];
	switch (event)
		{
		case EVENT_TIMER_TICK:
		
			//得到鼠标的状态，包括x,y坐标及左键、右键是否按下
			GetGlobalMouseState (&panelHandle, &x, &y, &leftdwon, &rightdwon, &keymodifiers);  
			
			//如果按下左键、右键及Ctrl键时，弹出对话框，显示密码
			if (leftdwon==1 && rightdwon==1 && keymodifiers == VAL_MENUKEY_MODIFIER)
			    {
			    PasswordCtrl_GetAttribute (panelHandle, PANEL_PASSWORD, ATTR_PASSWORD_MAX_LENGTH, &len);
			    passwordstring = (char *) malloc (len * sizeof (char)); 
			    PasswordCtrl_GetAttribute (panelHandle, PANEL_PASSWORD, ATTR_PASSWORD_VAL, passwordstring); 
				message[0]='\0';
				strcat (message, "输入的密码是：\n");
				strcat (message, passwordstring);
				MessagePopup ("密码", message);
			    }
			break;
		}
	return 0;
}

int CVICALLBACK hidepanel (int panel, int control, int event,
		void *callbackData, int eventData1, int eventData2)
{
	switch (event)
		{
		case EVENT_COMMIT:
			DiscardPanel (panelpassword);
			break;
		}
	return 0;
}