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标题: php下实现折线图效果的代码 [打印本页]

作者: xgnic    时间: 2018-2-14 09:24

            X=$SizeX;   
$this->Y=$SizeY;   
$this->R=$R;   
$this->G=$G;   
$this->B=$B;   
$this->TRANSPARENT=$Transparent;   
}   
function setItem($ArraySplit,$ItemArray,$ReportType,$Border){   
$this->ARRAYSPLIT=$ArraySplit;   
$this->ITEMARRAY=$ItemArray;   
$this->REPORTTYPE=$ReportType;   
$this->BORDER=$Border;   
}   
function setFont($FontSize){   
$this->FONTSIZE=$FontSize;   
}   
//----------------主体   
function PrintReport(){   
Header( "Content-type: image/gif");   
//建立画布大小   
$this->IMAGE=ImageCreate($this->X,$this->Y);   
//设定画布背景色   
$background=ImageColorAllocate($this->IMAGE,$this->R,$this->G,$this->B);   
if($this->TRANSPARENT=="1"){   
//背影透明   
Imagecolortransparent($this->IMAGE,$background);   
}else{   
//如不要透明时可填充背景色   
ImageFilledRectangle($this->IMAGE,0,0,$this->X,$this->Y,$background);   
}   
//参数字体文小及颜色   
$this->FONTCOLOR=ImageColorAllocate($this->IMAGE,255-$this->R,255-$this->G,255-$this->B);   
Switch ($this->REPORTTYPE){   
case "0":   
break;   
case "1":   
$this->imageColumnS();   
break;   
case "2":   
$this->imageColumnH();   
break;   
case "3":   
$this->imageLine();   
break;   
}   
$this->printXY();   
$this->printAll();   
}   
//-----------打印XY坐标轴   
function printXY(){   
//画XY坐标轴*/   
$color=ImageColorAllocate($this->IMAGE,255-$this->R,255-$this->G,255-$this->B);   
$xx=$this->X/10;   
$yy=$this->Y-$this->Y/10;   
ImageLine($this->IMAGE,$this->BORDER,$this->BORDER,$this->BORDER,$this->Y-$this->BORDER,$color);//X轴   
ImageLine($this->IMAGE,$this->BORDER,$this->Y-$this->BORDER,$this->X-$this->BORDER,$this->Y-$this->BORDER,$color);//y轴   
//Y轴上刻度   
$rulerY=$this->Y-$this->BORDER;   
while($rulerY>$this->BORDER*2){   
$rulerY=$rulerY-$this->BORDER;   
ImageLine($this->IMAGE,$this->BORDER,$rulerY,$this->BORDER-2,$rulerY,$color);   
}   
//X轴上刻度   
$rulerX=$rulerX+$this->BORDER;   
while($rulerXX-$this->BORDER*2)){   
$rulerX=$rulerX+$this->BORDER;   
//ImageLine($this->IMAGE,$this->BORDER,10,$this->BORDER+10,10,$color);   
ImageLine($this->IMAGE,$rulerX,$this->Y-$this->BORDER,$rulerX,$this->Y-$this->BORDER+2,$color);   
}   
}   
//--------------竖柱形图   
function imageColumnS(){   
$item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY);   
$num=Count($item_array);   
$item_max=0;   
for ($i=0;$iBORDER*2;   
//画柱形图   
for ($i=0;$iR!=255 && $this->G!=255 && $this->B!=255){   
$R=Rand($this->R,200);   
$G=Rand($this->G,200);   
$B=Rand($this->B,200);   
}else{   
$R=Rand(50,200);   
$G=Rand(50,200);   
$B=Rand(50,200);   
}   
$color=ImageColorAllocate($this->IMAGE,$R,$G,$B);   
//柱形高度   
$height=($this->Y-$this->BORDER)-($this->Y-$this->BORDER*2)*($item_array[$i]/$item_max);   
ImageFilledRectangle($this->IMAGE,$xx,$height,$xx+$this->BORDER,$this->Y-$this->BORDER,$color);   
ImageString($this->IMAGE,$this->FONTSIZE,$xx,$height-$this->BORDER,$item_array[$i],$this->FONTCOLOR);   
//用于间隔   
$xx=$xx+$this->BORDER*2;   
}   
}   
//-----------横柱形图   
function imageColumnH(){   
$item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY);   
$num=Count($item_array);   
$item_max=0;   
for ($i=0;$iY-$this->BORDER*2;   
//画柱形图   
for ($i=0;$iR!=255 && $this->G!=255 && $this->B!=255){   
$R=Rand($this->R,200);   
$G=Rand($this->G,200);   
$B=Rand($this->B,200);   
}else{   
$R=Rand(50,200);   
$G=Rand(50,200);   
$B=Rand(50,200);   
}   
$color=ImageColorAllocate($this->IMAGE,$R,$G,$B);   
//柱形长度   
$leight=($this->X-$this->BORDER*2)*($item_array[$i]/$item_max);   
ImageFilledRectangle($this->IMAGE,$this->BORDER,$yy-$this->BORDER,$leight,$yy,$color);   
ImageString($this->IMAGE,$this->FONTSIZE,$leight+2,$yy-$this->BORDER,$item_array[$i],$this->FONTCOLOR);   
//用于间隔   
$yy=$yy-$this->BORDER*2;   
}   
}   
//--------------折线图   
function imageLine(){   
$item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY);   
$num=Count($item_array);   
$item_max=0;   
for ($i=0;$iBORDER;   
//画柱形图   
for ($i=0;$iR!=255 && $this->G!=255 && $this->B!=255){   
$R=Rand($this->R,200);   
$G=Rand($this->G,200);   
$B=Rand($this->B,200);   
}else{   
$R=Rand(50,200);   
$G=Rand(50,200);   
$B=Rand(50,200);   
}   
$color=ImageColorAllocate($this->IMAGE,$R,$G,$B);   
//柱形高度   
$height_now=($this->Y-$this->BORDER)-($this->Y-$this->BORDER*2)*($item_array[$i]/$item_max);   
if($i!="0"){   
ImageLine($this->IMAGE,$xx,$height_next,$xx+$this->BORDER,$height_now,$color);   
}   
ImageString($this->IMAGE,$this->FONTSIZE,$xx+$this->BORDER,$height_now-$this->BORDER/2,$item_array[$i],$this->FONTCOLOR);   
$height_next=$height_now;   
//用于间隔   
$xx=$xx+$this->BORDER;   
}   
}   
//--------------完成打印图形http://knowsky.com   
function printAll(){   
ImageGIF($this->IMAGE);   
ImageDestroy($this->IMAGE);   
}   
//--------------调试   
function debug(){   
echo "X:".$this->X."
Y:".$this->Y;   
echo "
BORDER:".$this->BORDER;   
$item_array=split($this->ARRAYSPLIT,$this->ITEMARRAY);   
$num=Count($item_array);   
echo "
数值个数:".$num."
数值:";   
for ($i=0;$isetImage(600,300,255,255,255,1);//参数(长,宽,背影色R,G,B,是否透明1或0)   
$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   
$report->setItem(',',$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)   
$report->setFont(1);//字体大小1-10   
$report->rintReport();   
//$report->debug();//调式之用   
?>
            
            
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