用GD图库生成横竖柱状图折线图的类

$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;$i<$num;$i++){
$item_max=Max($item_max,$item_array[$i]);
}
//$xx=$this->BORDER;  
//画柱形图  
for ($i=0;$i<$num;$i++){
srand((double)microtime()*1000000);
if($this->R!=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YeMaoSheng.com  
function printAll(){  
ImageGIF($this->IMAGE);  
ImageDestroy($this->IMAGE);  
}  
//--------------调试  
function debug(){  
echo "X:".$this->X."<br>Y:".$this->Y;  
echo "<br>BORDER:".$this->BORDER;  
$item_array=split($this->ARRAYSPLIT,$this->ITEMARRAY);  
$num=Count($item_array);  
echo "<br>数值个数:".$num."<br>数值:";  
for ($i=0;$i<$num;$i++){
echo "<br>".$item_array[$i];  
}  
}  
}  

$report=new ImageReport;  
$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)  
$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  
$report->PrintReport();  
//$report->debug();//调式之用  
?>