PHP教程训练2

1、 程序4-1?php if(!isset($PHP_AUTH_USER) Header(WWW-Authenticate: Basic realm=My Realm); Header(HTTP/1.0 401 Unauthorized); echo Text to send if user hits Cancel buttonn; exit; else echo Hello $PHP_AUTH_USER.; echo You entered $PHP_AUTH_PW as your password.; ? 程序4-2 程序4-3/假设利用文件count.txt保存计数值 程序4-4 程序4-

2、5 程序4-6?php/将数字转化为字符串$strcount = strval($count);$strcount = chop($count);/将数字转化为图形$countlen = strlen($strcount);$strhtml = ;for($I = 0 ; $I $countlen; $s+)$strhtml = $strhtml. ;?程序4-7$file); fclose($fp); $n=6-strlen($num); $out=imagecreate(96,20);/ 建立新图 $im=imagecreatefromgif(0.gif); /取出GIF图形for($i=

3、0;$i$n;$i+) imagecopyresized($out,$im,$i*16,0,0,0,16,20,16,20); /复制新图并调整大小for($j=0;$j$file); display($file); ?程序4-8文件名为：count.php? /计数文件目录$recdir=rec/; /计数文件扩展名$rfile=.txt; if ($len=) /位数$int_width=6; else $int_width=$len; /定义单个数字宽度$count_width=8; /定义单个数字高度$count_height=16; /定义生成与数字09相对应的图形的数据$bitma

4、p =array( 0xff, 0xff, 0xff, 0xc3, 0x99, 0x99, 0x99, 0x99, /* rows 1-8 of 0 */ 0x99, 0x99, 0x99, 0x99, 0xc3, 0xff, 0xff, 0xff, /* rows 9-16 of 0 */ 0xff, 0xff, 0xff, 0xcf, 0xc7, 0xcf, 0xcf, 0xcf, /* rows 1-8 of 1 */ 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xff, 0xff, 0xff, /* rows 9-16 of 1 */ 0xff, 0xff, 0xff

5、, 0xc3, 0x99, 0x9f, 0x9f, 0xcf, /* rows 1-8 of 2 */ 0xe7, 0xf3, 0xf9, 0xf9, 0x81, 0xff, 0xff, 0xff, /* rows 9-16 of 2 */ 0xff, 0xff, 0xff, 0xc3, 0x99, 0x9f, 0x9f, 0xc7, /* rows 1-8 of 3 */ 0x9f, 0x9f, 0x9f, 0x99, 0xc3, 0xff, 0xff, 0xff, /* rows 9-16 of 3 */ 0xff, 0xff, 0xff, 0xcf, 0xcf, 0xc7, 0xc7,

6、0xcb, /* rows 1-8 of 4 */ 0xcb, 0xcd, 0x81, 0xcf, 0x87, 0xff, 0xff, 0xff, /* rows 9-16 of 4 */ 0xff, 0xff, 0xff, 0x81, 0xf9, 0xf9, 0xf9, 0xc1, /* rows 1-8 of 5 */ 0x9f, 0x9f, 0x9f, 0x99, 0xc3, 0xff, 0xff, 0xff, /* rows 9-16 of 5 */ 0xff, 0xff, 0xff, 0xc7, 0xf3, 0xf9, 0xf9, 0xc1, /* rows 1-8 of 6 */

7、0x99, 0x99, 0x99, 0x99, 0xc3, 0xff, 0xff, 0xff, /* rows 9-16 of 6 */ 0xff, 0xff, 0xff, 0x81, 0x99, 0x9f, 0x9f, 0xcf, /* rows 1-8 of 7 */ 0xcf, 0xe7, 0xe7, 0xf3, 0xf3, 0xff, 0xff, 0xff, /* rows 9-16 of 7 */ 0xff, 0xff, 0xff, 0xc3, 0x99, 0x99, 0x99, 0xc3, /* rows 1-8 of 8 */ 0x99, 0x99, 0x99, 0x99, 0x

8、c3, 0xff, 0xff, 0xff, /* rows 9-16 of 8 */ 0xff, 0xff, 0xff, 0xc3, 0x99, 0x99, 0x99, 0x99, /* rows 1-8 of 9 */ 0x83, 0x9f, 0x9f, 0xcf, 0xe3, 0xff, 0xff, 0xff /* rows 9-16 of 9 */ ); if ($id) if (file_exists($recdir$id$rfile) $file=fopen($recdir$id$rfile,r); $num=fread($file,$int_width); fclose($file

9、); $counter = $num+1; $plusfile=fopen($recdir$id$rfile,w); fwrite($plusfile,$counter); fclose($plusfile); else $num=0; for ($i = 0; $i $int_width; +$i) $j = $num % 10; $count$int_width - 1 - $i = $j; $num /= 10; printf(#define counter_width %drn,$count_width * $int_width); printf(#define counter_hei

10、ght %drn,$count_height); printf(static unsigned char counter_bits = rn); for ($i = 0; $i $count_height; +$i) for ($j = 0; $j $int_width; +$j) printf(%s, $bitmap($count$j * $count_height) + $i); if ( $i $count_height - 1) | ($j 程序4-9? /进行计数session_start(); if (session_is_registered(count)=false) whil

11、e($fp=fopen(counter.txt,r+)=false); while(flock($fp,3)=false); $count=fgets($fp,255); $count+=1; fseek($fp,0); fputs($fp,$count); fclose($fp); session_register(count); $len=strlen($count); for($i=1;$i=6-$len;$i+) $imagpath= ; /TEMP为图像文件夹，图像文件名需为0.GIF 9.GIF /显示计数值for($i=1;$i=$len;$i+) $imagpath.=; pr

12、int你是第.$imagpath.位来客; ? 程序4-10文件名为：count.php? Header(Content-type:image/png); $img=ImageCreate(60,20); $link=mysql_pconnect(localhost); mysql_select_db(liarrn,$link); mysql_query(update counter set count=count+1,$link); $str=select count from counter; $result=mysql_query($str,$link); list($counter)=

13、mysql_fetch_row($result); $counter=sprintf(%05d,$counter); for($i=0;$i 程序4-11?php / 发送头信息和创建初始的空白画布 Header( Content-type: image/gif); $image = imagecreate(200,200); / 分配一些颜色 $red = ImageColorAllocate($image,255,0,0); $blue = ImageColorAllocate($image,0,0,255); $white = ImageColorAllocate($image,255,

14、255,255); $grey = ImageColorAllocate($image,200,200,200); / 创建一个初始的灰色矩形用于绘图 ImageFilledRectangle($image,0,0,200,200,$grey); / 连接MySQL服务器并选择数据库 $connect = mysql_connect(,root,); mysql_select_db(graphing,$connect); / 找到结果集中的最大数值 $sql = SELECT MAX(g_num) FROM sales; $maxResult = mysql_query($sql,$conne

15、ct); $max = mysql_result($maxResult,0,0); / 得到公司A的结果集 $sql = SELECT g_num FROM sales WHERE g_team=公司A ORDER BY g_month; $salesResult = mysql_query($sql,$connect); / 找到返回多少列，就是columns的数值 $columns = mysql_num_rows($salesResult); / $x每次增加多少量？ $xincrement = bcdiv(200,$columns-1,0); $x=0; / $i 将记录行的数值 $i

16、=0; / 在所有的数据行中循环 while($salesRow=mysql_fetch_array($salesResult) / 像上面所讨论地计算y的坐标值 $y = bcmul(bcdiv($salesRow0,$max,2),200,2); / 在$points数组中增加值 $points$i0 = $x; $points$i1 = $y; / 增加$x的值用$xincrement $x+=$xincrement; / 增加 $i $i+; / 现在在$points数组中循环，此时$i小于$columns-1 for($i=0;$i 程序4-12?php $sql = SELECT

17、g_num FROM sales WHERE g_team=Atlanta ORDER BY g_month; $salesResult = mysql_query($sql,$connect); $columns = mysql_num_rows($salesResult); $xincrement = bcdiv(200,$columns-1,0); $x=0; $i=0; while($salesRow=mysql_fetch_array($salesResult) $y = bcmul(bcdiv($salesRow0,$max,2),200,2); $points$i0 = $x;

18、$points$i1 = $y; $x+=$xincrement; $i+; for($i=0;$i 程序4-13function image($graphdata,$label,$data,$graphwidth,$graphheight,$graphscale,$graphfont,$bg,$text,$grid,$bar,$bz)header(Content-type:image/gif);/创建空白图形 $image=imagecreate($graphwidth+50,$graphheight+50);/分配颜色$bgcolor= imagecolorallocate ($image

19、 ,$bg0,$bg1,$bg2);$textcolor= imagecolorallocate ($image ,$text0,$text1,$text2);$gridcolor=imagecolorallocate ($image ,$grid0,$grid1,$grid2);$barcolor=imagecolorallocate ($image ,$bar0,$bar1,$bar2);$gridabelwidth=imagefontwidth($graphfont)*3+1;$gridableheight= imagefontheight ($graphfont);/绘制直线image

20、line($image,$gridlabelwidth,0,$gridlabelwidth,$graphheight-1,$gridcolor);imageline($image,0,$graphheight-1,$graphwidth-1,$graphheight-1,$gridcolor);for($i=0;$i程序4-14?php /把角度转换为弧度 function radians ($degrees) return($degrees * (pi()/180.0); /取得在圆心为（0，0）的圆上x，y点的值 function circle_point($degrees, $diame

21、ter) $x = cos(radians($degrees) * ($diameter/2); $y = sin(radians($degrees) * ($diameter/2); return (array($x, $y); /填充图表的参数 $ChartDiameter = 200; /图表直径 $ChartFont = 2; /图表字体 $ChartFontHeight = imagefontheight($ChartFont);/图表字体的大小 $ChartData = array( 75,45);/用于生成图表的数据，可通过数据库来取得来确定 $ChartLabel = arra

22、y(yes, no); /数据对应的名称 /确定图形的大小 $ChartWidth = $ChartDiameter + 20; $ChartHeight = $ChartDiameter + 20 + ($ChartFontHeight + 2) * count($ChartData); /确定统计的总数 for($index = 0; $index count($ChartData); $index+) $ChartTotal += $ChartData$index; $ChartCenterX = $ChartDiameter/2 + 10; $ChartCenterY = $Chart

23、Diameter/2 + 10; /创建空白图形 $image = imagecreate($ChartWidth, $ChartHeight); /分配颜色$colorBody = imagecolorallocate($image, 0xFF, 0xFF, 0xFF); $colorBorder = imagecolorallocate($image, 0x00, 0x00, 0x00); $colorText = imagecolorallocate($image, 0x00, 0x00, 0x00); $colorSlice = imagecolorallocate($image, 0

24、xFF, 0x00, 0x00); $colorSlice = imagecolorallocate($image, 0x00, 0xFF, 0x00); /图形着色imagefill($image, 0, 0, $colorBody); /绘制扇形 $Degrees = 0; for($index = 0; $index count($ChartData); $index+) $StartDegrees = round($Degrees); $Degrees += ($ChartData$index/$ChartTotal)*360); $EndDegrees = round($Degree

25、s); $CurrentColor = $colorSlice$index%(count($colorSlice); /绘制圆弧 imagearc($image,$ChartCenterX,$ChartCenterY,$ChartDiameter, $ChartDiameter,$StartDegrees,$EndDegrees, $CurrentColor); /画直线 list($ArcX, $ArcY) = circle_point($StartDegrees, $ChartDiameter); imageline($image,$ChartCenterX,$ChartCenterY,f

26、loor($ChartCenterX + $ArcX), floor($ChartCenterY + $ArcY),$CurrentColor); list($ArcX, $ArcY) = circle_point($EndDegrees, $ChartDiameter); imageline($image,$ChartCenterX,$ChartCenterY,ceil($ChartCenterX + $ArcX), ceil($ChartCenterY + $ArcY),$CurrentColor); /填充扇形 $MidPoint = round($EndDegrees - $Start

27、Degrees)/2) + $StartDegrees); list($ArcX, $ArcY) = circle_point($MidPoint, $ChartDiameter/2); imagefilltoborder($image,floor($ChartCenterX + $ArcX),floor($ChartCenterY + $ArcY), $CurrentColor,$CurrentColor); /画边框 imagearc($image, $ChartCenterX, $ChartCenterY, $ChartDiameter, $ChartDiameter, 0, 180,

28、$colorBorder); imagearc($image, $ChartCenterX, $ChartCenterY, $ChartDiameter, $ChartDiameter, 180, 360, $colorBorder); imagearc($image, $ChartCenterX, $ChartCenterY, $ChartDiameter+7, $ChartDiameter+7, 0, 180, $colorBorder); imagearc($image, $ChartCenterX, $ChartCenterY, $ChartDiameter+7, $ChartDiam

29、eter+7, 180, 360, $colorBorder); imagefilltoborder($image, floor($ChartCenterX + ($ChartDiameter/2) + 2), $ChartCenterY, $colorBorder, $colorBorder); for($index = 0; $index 程序4-1516) & 0xff; $G=($color8) & 0xff; $B=($color) & 0xff; return (array($R,$G,$B); / 取得在椭圆心为（0，0）的椭圆上 x, y点的值 function pie_poi

30、nt($deg,$va,$vb) $x= cos(deg2Arc($deg) * $va; $y= sin(deg2Arc($deg) * $vb; return (array($x, $y); /3D饼图类 class Pie3d /声明成员变量var $a; /椭圆长半轴 var $b; /椭圆短半轴 var $DataArray; /每个扇形的数据 var $ColorArray; /每个扇形的颜色要求按照十六进制书写，但前面不加0x，边缘及阴影为黑色 /定义构造函数function Pie3d($pa=100,$pb=60,$sData=100,200,300,400,500, $sC

31、olor=ee00ff,dd0000,cccccc,ccff00,00ccff) $this-a=$pa; $this-b=$pb; $this-DataArray=split(,$sData); $this-ColorArray=split(,$sColor); /定义方法function setA($v) $this-a=$v; function getA() return $this-a; function setB($v) $this-b=$v; function getB() return $this-b; function setDataArray($v) $this-DataArray=split(,$v); function getDataArray($v) return $this-DataArray; function setColorArray($v) $this-ColorArray=split(,$v);