用gd图库生成横竖柱状图折线图的类

haidong · 发表于 2010-2-24 13:43:52

<OL><LI><CODE><?最近写的一个GD图库用以生成横竖柱状图和折线图的类库,算是一个教学例程吧 </CODE><LI><CODE>Class ImageReport{ </CODE><LI><CODE>var $X;//图片大小X轴 </CODE><LI><CODE>var $Y;//图片大小Y轴 </CODE><LI><CODE>var $R;//背影色R值 </CODE><LI><CODE>var $G;//...G. </CODE><LI><CODE>var $B;//...B. </CODE><LI><CODE>var $TRANSPARENT;//是否透明1或0 </CODE><LI><CODE>var $IMAGE;//图片对像 </CODE><LI><CODE>//------------------- </CODE><LI><CODE>var $ARRAYSPLIT;//指定用于分隔数值的符号 </CODE><LI><CODE>var $ITEMARRAY;//数值 </CODE><LI><CODE>var $REPORTTYPE;//图表类型,1为竖柱形2为横柱形3为折线形 </CODE><LI><CODE>var $BORDER;//距离 </CODE><LI><CODE>//------------------- </CODE><LI><CODE>var $FONTSIZE;//字体大小 </CODE><LI><CODE>var $FONTCOLOR;//字体颜色 </CODE><LI><CODE>//--------参数设置函数 </CODE><LI><CODE>function setImage($SizeX,$SizeY,$R,$G,$B,$Transparent){ </CODE><LI><CODE>$this->X=$SizeX; </CODE><LI><CODE>$this->Y=$SizeY; </CODE><LI><CODE>$this->R=$R; </CODE><LI><CODE>$this->G=$G; </CODE><LI><CODE>$this->B=$B; </CODE><LI><CODE>$this->TRANSPARENT=$Transparent; </CODE><LI><CODE>} </CODE><LI><CODE>function setItem($ArraySplit,$ItemArray,$ReportType,$Border){ </CODE><LI><CODE>$this->ARRAYSPLIT=$ArraySplit; </CODE><LI><CODE>$this->ITEMARRAY=$ItemArray; </CODE><LI><CODE>$this->REPORTTYPE=$ReportType; </CODE><LI><CODE>$this->BORDER=$Border; </CODE><LI><CODE>} </CODE><LI><CODE>function setFont($FontSize){ </CODE><LI><CODE>$this->FONTSIZE=$FontSize; </CODE><LI><CODE>} </CODE><LI><CODE>//----------------主体 </CODE><LI><CODE>function PrintReport(){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.Header">Header</A>( "Content-type: image/gif"); </CODE><LI><CODE>//建立画布大小 </CODE><LI><CODE>$this->IMAGE=<A href="http://www.php.net/manual/zh/function.ImageCreate">ImageCreate</A>($this->X,$this->Y); </CODE><LI><CODE>//设定画布背景色 </CODE><LI><CODE>$background=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,$this->R,$this->G,$this->B); </CODE><LI><CODE>if($this->TRANSPARENT=="1"){ </CODE><LI><CODE>//背影透明 </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.Imagecolortransparent">Imagecolortransparent</A>($this->IMAGE,$background); </CODE><LI><CODE>}else{ </CODE><LI><CODE>//如不要透明时可填充背景色 </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageFilledRectangle">ImageFilledRectangle</A>($this->IMAGE,0,0,$this->X,$this->Y,$background); </CODE><LI><CODE>} </CODE><LI><CODE>//参数字体文小及颜色 </CODE><LI><CODE>$this->FONTCOLOR=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,255-$this->R,255-$this->G,255-$this->B); </CODE><LI><CODE>Switch ($this->REPORTTYPE){ </CODE><LI><CODE>case "0": </CODE><LI><CODE>break; </CODE><LI><CODE>case "1": </CODE><LI><CODE>$this->imageColumnS(); </CODE><LI><CODE>break; </CODE><LI><CODE>case "2": </CODE><LI><CODE>$this->imageColumnH(); </CODE><LI><CODE>break; </CODE><LI><CODE>case "3": </CODE><LI><CODE>$this-><A href="http://www.php.net/manual/zh/function.imageLine">imageLine</A>(); </CODE><LI><CODE>break; </CODE><LI><CODE>} </CODE><LI><CODE>$this->printXY(); </CODE><LI><CODE>$this->printAll(); </CODE><LI><CODE>} </CODE><LI><CODE>//-----------打印XY坐标轴 </CODE><LI><CODE>function printXY(){ </CODE><LI><CODE>//画XY坐标轴*/ </CODE><LI><CODE>$color=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,255-$this->R,255-$this->G,255-$this->B); </CODE><LI><CODE>$xx=$this->X/10; </CODE><LI><CODE>$yy=$this->Y-$this->Y/10; </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$this->BORDER,$this->BORDER,$this->BORDER,$this->Y-$this->BORDER,$color);//X轴 </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$this->BORDER,$this->Y-$this->BORDER,$this->X-$this->BORDER,$this->Y-$this->BORDER,$color);//y轴 </CODE><LI><CODE>//Y轴上刻度 </CODE><LI><CODE>$rulerY=$this->Y-$this->BORDER; </CODE><LI><CODE>while($rulerY>$this->BORDER*2){ </CODE><LI><CODE>$rulerY=$rulerY-$this->BORDER; </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$this->BORDER,$rulerY,$this->BORDER-2,$rulerY,$color); </CODE><LI><CODE>} </CODE><LI><CODE>//X轴上刻度 </CODE><LI><CODE>$rulerX=$rulerX+$this->BORDER; </CODE><LI><CODE>while($rulerX<($this->X-$this->BORDER*2)){ </CODE><LI><CODE>$rulerX=$rulerX+$this->BORDER; </CODE><LI><CODE>//ImageLine($this->IMAGE,$this->BORDER,10,$this->BORDER+10,10,$color); </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$rulerX,$this->Y-$this->BORDER,$rulerX,$this->Y-$this->BORDER+2,$color); </CODE><LI><CODE>} </CODE><LI><CODE>} </CODE><LI><LI><CODE>//--------------竖柱形图 </CODE><LI><CODE>function imageColumnS(){ </CODE><LI><CODE>$item_array=<A href="http://www.php.net/manual/zh/function.Split">Split</A>($this->ARRAYSPLIT,$this->ITEMARRAY); </CODE><LI><CODE>$num=<A href="http://www.php.net/manual/zh/function.Count">Count</A>($item_array); </CODE><LI><CODE>$item_max=0; </CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE>$item_max=<A href="http://www.php.net/manual/zh/function.Max">Max</A>($item_max,$item_array[$i]); </CODE><LI><CODE>} </CODE><LI><CODE>$xx=$this->BORDER*2; </CODE><LI><CODE>//画柱形图 </CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.srand">srand</A>((double)<A href="http://www.php.net/manual/zh/function.microtime">microtime</A>()*1000000); </CODE><LI><CODE>if($this->R!=255 && $this->G!=255 && $this->B!=255){ </CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->R,200); </CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->G,200); </CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->B,200); </CODE><LI><CODE>}else{ </CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>} </CODE><LI><CODE>$color=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,$R,$G,$B); </CODE><LI><CODE>//柱形高度 </CODE><LI><CODE>$height=($this->Y-$this->BORDER)-($this->Y-$this->BORDER*2)*($item_array[$i]/$item_max); </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageFilledRectangle">ImageFilledRectangle</A>($this->IMAGE,$xx,$height,$xx+$this->BORDER,$this->Y-$this->BORDER,$color); </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageString">ImageString</A>($this->IMAGE,$this->FONTSIZE,$xx,$height-$this->BORDER,$item_array[$i],$this->FONTCOLOR); </CODE><LI><CODE>//用于间隔 </CODE><LI><CODE>$xx=$xx+$this->BORDER*2; </CODE><LI><CODE>} </CODE><LI><CODE>} </CODE><LI><LI><CODE>//-----------横柱形图 </CODE><LI><CODE>function imageColumnH(){ </CODE><LI><CODE>$item_array=<A href="http://www.php.net/manual/zh/function.Split">Split</A>($this->ARRAYSPLIT,$this->ITEMARRAY); </CODE><LI><CODE>$num=<A href="http://www.php.net/manual/zh/function.Count">Count</A>($item_array); </CODE><LI><CODE>$item_max=0; </CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE>$item_max=<A href="http://www.php.net/manual/zh/function.Max">Max</A>($item_max,$item_array[$i]); </CODE><LI><CODE>} </CODE><LI><CODE>$yy=$this->Y-$this->BORDER*2; </CODE><LI><CODE>//画柱形图 </CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.srand">srand</A>((double)<A href="http://www.php.net/manual/zh/function.microtime">microtime</A>()*1000000); </CODE><LI><CODE>if($this->R!=255 && $this->G!=255 && $this->B!=255){ </CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->R,200); </CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->G,200); </CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->B,200); </CODE><LI><CODE>}else{ </CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>} </CODE><LI><CODE>$color=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,$R,$G,$B); </CODE><LI><CODE>//柱形长度 </CODE><LI><CODE>$leight=($this->X-$this->BORDER*2)*($item_array[$i]/$item_max); </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageFilledRectangle">ImageFilledRectangle</A>($this->IMAGE,$this->BORDER,$yy-$this->BORDER,$leight,$yy,$color); </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageString">ImageString</A>($this->IMAGE,$this->FONTSIZE,$leight+2,$yy-$this->BORDER,$item_array[$i],$this->FONTCOLOR); </CODE><LI><CODE>//用于间隔 </CODE><LI><CODE>$yy=$yy-$this->BORDER*2; </CODE><LI><CODE>} </CODE><LI><CODE>} </CODE><LI><LI><CODE>//--------------折线图 </CODE><LI><CODE>function <A href="http://www.php.net/manual/zh/function.imageLine">imageLine</A>(){ </CODE><LI><CODE>$item_array=<A href="http://www.php.net/manual/zh/function.Split">Split</A>($this->ARRAYSPLIT,$this->ITEMARRAY); </CODE><LI><CODE>$num=<A href="http://www.php.net/manual/zh/function.Count">Count</A>($item_array); </CODE><LI><CODE>$item_max=0; </CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE>$item_max=<A href="http://www.php.net/manual/zh/function.Max">Max</A>($item_max,$item_array[$i]); </CODE><LI><CODE>} </CODE><LI><CODE>//$xx=$this->BORDER; </CODE><LI><CODE>//画柱形图 </CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.srand">srand</A>((double)<A href="http://www.php.net/manual/zh/function.microtime">microtime</A>()*1000000); </CODE><LI><CODE>if($this->R!=255 && $this->G!=255 && $this->B!=255){ </CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->R,200); </CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->G,200); </CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>($this->B,200); </CODE><LI><CODE>}else{ </CODE><LI><CODE>$R=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>$G=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>$B=<A href="http://www.php.net/manual/zh/function.Rand">Rand</A>(50,200); </CODE><LI><CODE>} </CODE><LI><CODE>$color=<A href="http://www.php.net/manual/zh/function.ImageColorAllocate">ImageColorAllocate</A>($this->IMAGE,$R,$G,$B); </CODE><LI><CODE>//柱形高度 </CODE><LI><CODE>$height_now=($this->Y-$this->BORDER)-($this->Y-$this->BORDER*2)*($item_array[$i]/$item_max); </CODE><LI><CODE>if($i!="0"){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageLine">ImageLine</A>($this->IMAGE,$xx,$height_next,$xx+$this->BORDER,$height_now,$color); </CODE><LI><CODE>} </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageString">ImageString</A>($this->IMAGE,$this->FONTSIZE,$xx+$this->BORDER,$height_now-$this->BORDER/2,$item_array[$i],$this->FONTCOLOR); </CODE><LI><CODE>$height_next=$height_now; </CODE><LI><CODE>//用于间隔 </CODE><LI><CODE>$xx=$xx+$this->BORDER; </CODE><LI><CODE>} </CODE><LI><CODE>} </CODE><LI><LI><CODE>//--------------完成打印图形http://knowsky.com </CODE><LI><CODE>function printAll(){ </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageGIF">ImageGIF</A>($this->IMAGE); </CODE><LI><CODE><A href="http://www.php.net/manual/zh/function.ImageDestroy">ImageDestroy</A>($this->IMAGE); </CODE><LI><CODE>} </CODE><LI><CODE>//--------------调试 </CODE><LI><CODE>function debug(){ </CODE><LI><CODE>echo "X:".$this->X."</CODE><LI><CODE>Y:".$this->Y; </CODE><LI><CODE>echo "</CODE><LI><CODE>BORDER:".$this->BORDER; </CODE><LI><CODE>$item_array=<A href="http://www.php.net/manual/zh/function.split">split</A>($this->ARRAYSPLIT,$this->ITEMARRAY); </CODE><LI><CODE>$num=<A href="http://www.php.net/manual/zh/function.Count">Count</A>($item_array); </CODE><LI><CODE>echo "</CODE><LI><CODE>数值个数:".$num."</CODE><LI><CODE>数值:"; </CODE><LI><CODE>for ($i=0;$i<$num;$i++){ </CODE><LI><CODE>echo "</CODE><LI><CODE>".$item_array[$i]; </CODE><LI><CODE>} </CODE><LI><CODE>} </CODE><LI><CODE>} </CODE><LI><LI><CODE>$report=new ImageReport; </CODE><LI><CODE>$report->setImage(600,300,255,255,255,1);//参数(长,宽,背影色R,G,B,是否透明1或0) </CODE><LI><CODE>$temparray="50,25,100,250,180,200,150,220,200,150,50,25,100,250,180,200,150,220,200,150";//数值,用指定符号隔开 </CODE><LI><CODE>$report->setItem(',',$temparray,3,20);//参数(分隔数值的指定符号,数值变量,样式1为竖柱图2为横柱图3为折线图,距离) </CODE><LI><CODE>$report->setFont(1);//字体大小1-10 </CODE><LI><CODE>$report-&gt

rintReport(); </CODE><LI><CODE>//$report->debug();//调式之用 </CODE><LI><CODE>?></CODE></LI></OL>

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用gd图库生成横竖柱状图折线图的类

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