php密保卡

		$this->load->model('admin/m_mibao');
		
		$data = array();	
		//生成随机横坐标
		$rand_str = $this->_rand_str(10);
		
		$arr   = array();
		for($k=0;$k<strlen($rand_str);$k++)
		{
			for ($i = 1;$i < 9;$i++)
			{			
				$rand = $this->_rand_num(3); 
				//赋给所有code的容器
				$arr[$rand_str{$k} . $i] =  $rand;
			}
		}

		$data['code']     = serialize($arr); //序列化后将信息入库
		$data['letter']   = $rand_str;
		
		//避免重复序列号
		while (TRUE)
		{
		        $data['card_num'] = $this->_rand_num(20);
		        //判断序列号是否重复存在
			if($this->m_mibao->has_card_num($data['card_num']) == 0)
			{
				break;
			}
		}
		
		$data['add_time'] = TIME;
		$data['user_id']  = $uid;
            
		echo $this->mibao->insert($data);

	//就是算坐标
        public function show($user_id)
	{
		$this->load->model('admin/m_mibao');
		$info = $this->m_mibao->get_by_uid($user_id);
		if(empty($info))
		{
			$this->msg('该用户无密保卡!','admin-index');
		}
		
		$codes = unserialize($info['code']);

		//图片初始值
		
		$bit = 3;  //密保卡位数
		
		$height = 332;    //图片高度
		
		$width =  626;    //图片宽度
		
		$im = imagecreatetruecolor($width,$height);
		
		$linecolor = imagecolorallocate($im, 229,229,229);
		
		$fontcolor = imagecolorallocate($im, 0, 0, 0);
		
		$top_rectangle_color = imagecolorallocate($im,241,254,237);
		
		$top_letter_color = imagecolorallocate($im,54,126,76);
		
		$left_rectangle_color = imagecolorallocate($im,243,247,255);
		
		$left_num_color = imagecolorallocate($im,4,68,192);
		
		$logo_str_color = imagecolorallocate($im,0,0,0);
		
		imagefill($im,0,0,imagecolorallocate($im,255,255,255));  //图片背景色
		
		$font    = './public/baomi/fonts/simsun.ttc';  //字体
		
		$font_en = './public/baomi/fonts/CONSOLA.TTF'; //英文字体
		
		$font2   = './public/baomi/fonts/simhei.ttf'; //密保卡上方黑体
		
		
		$dst = imagecreatefromjpeg("./public/baomi/120.jpg");
		
		
		
		imagecopymerge($im,$dst,120,15,0,0,193,55,100);
		
		imageline($im,10,72,$width-10,72,$linecolor);
		
		$ltext = "电子密保卡";
		
		if(!imagettftext($im,10,0,340,47,$logo_str_color,$font2,$ltext)) {
		    exit('error');   
		}
		
		//写入卡号
		
		$b = '1000' . $info['card_num'];
		
		for($i=0;$i<7;$i++){
		
		    $p.= substr($b,3*$i,4). ' ';
		
		}
		
		$x = 40; $y = 95; //序列号位置
		
		imagettftext($im,10,0,$x,$y,$color,$font,'序列号');
		
		imagettftext($im,11,0,$x+50,$y,$color,$font_en,$p);
		
		//颜色框
		
		imagefilledrectangle($im,10,106,$width-10,128,$top_rectangle_color);
		
		imagefilledrectangle($im,10,129,65,$height-10,$left_rectangle_color);
		
		//写入最上排英文字母及竖线
		
		for($i=1;$i<=10;$i++){
		
		    $x = $i*55+35;      $y = 123;    $float_size = 11;   //字母位置参数               
		
		    imagettftext($im,$float_size,0,$x,$y,$top_letter_color,$font_en,$info['letter']{$i-1});//写入最上排英文字母
		
		}
		
		for($i=0;$i<=9;$i++){
		
		    $linex = $i*55+65;    $liney = 105;    $liney2 = $height-10;  //竖线位置参数
		
		    imageline($im,$linex,$liney,$linex,$liney2,$linecolor);//划入竖线
		
		}
		
		    
		
		//写入竖排数字及填入矩阵数据 划横线
		
		for($j=0;$j<8;$j++){
		
		    $jj=$j+1;
		
		    $x=35;  $y=($jj*24)+123; //左排数字及横线位置参数
		
		    imagettftext($im, $float_size, 0, $x, $y, $left_num_color, $font_en, $jj);//写入左排数字
		
		    for($i=1;$i<=10;$i++){
		
		        $float_size2=11;  $x = $i*55+27;  $sy=$y;  //填入矩阵数据位置参数
		
		       $s = $info['letter']{$i-1};
			   $s .= $j + 1;
		       imagettftext($im,$float_size2,0,$x,$sy,$fontcolor,$font_en,$codes[$s]);//写入矩阵数据
		
		    }
		}
		
		for($j=0;$j<10;$j++){
		
		    $line_x=10; $line_x2=$width-10;$y=$j*24+105; //横线位置参数 y坐标数据同上
		
		    imageline($im,$line_x,$y,$line_x2,$y,$linecolor);//划入横线
		
		}
		
		//外框边线
		
		imageline($im,10,10,$width-10,10,$linecolor);//横线
		
		//imageline($im,10,$height-10,$width-10,$height-10,$linecolor);
		
		imageline($im,10,10,10,$height-10,$linecolor);//竖线
		
		imageline($im,$width-10,10,$width-10,$height-10,$linecolor);
		
		//生成图片
		
		ob_clean();
		header("Content-type: image/jpeg");
		imagejpeg($im,null,100);
		imagedestroy($im);		
	}

	public function test1($uid)
	{
	
		$this->load->model('admin/m_users');		
		$user = $this->m_users->sel($uid);

		//post提交过来验证
		if($this->is_post())
		{
			$codes = $this->m_mibao->get_codes_by_uid($uid);
			$codes = unserialize($codes);

			$is_true = true;
			foreach($_SESSION['mibao']['keys'] as $key)
			{
				if($codes[$key] != $_POST['values'][$key])
				{
					$is_true = false;
				}
			}
			
			if($is_true)
			{			
				die('正确');
			}
			else 
			{
				
				die('错误');
			}
		}
		else
		{
			//渲染视图
			$info = $this->m_mibao->get_by_uid($uid);
			$data = array();
			$data['keys'] = $this->m_mibao->get_rand_keys($info['letter']);
			$_SESSION['mibao']['keys'] = $data['keys'];
			$data['uid'] = $uid;
			$this->load->view('test1',$data);
		}