最近寫的一個GD圖庫用以生成橫豎柱狀圖和折線圖的類庫,算是一個教學例程吧

Class ImageReport{

var $X;//圖片大小X軸

var $Y;//圖片大小Y軸

var $R;//背影色R值

http://www.gaodaima.com/48271.html用GD圖庫生成橫豎柱狀圖折線圖的類_php

var $G;//...G.

var $B;//...B.

var $TRANSPARENT;//是否透明1或0

var $IMAGE;//圖片對像

//-------------------

var $ARRAYSPLIT;//指定用于分隔數值的符號

var $ITEMARRAY;//數值

var $REPORTTYPE;//圖表類型,1為豎柱形2為橫柱形3為折線形

var $BORDER;//距離

//-------------------

var $FONTSIZE;//字體大小

var $FONTCOLOR;//字體顏色

//--------參數設置函數

function setImage($SizeX,$SizeY,$R,$G,$B,$Transparent){

$this->X=$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;

}

//----------------主體

function PrintReport(){

Header( "Content-type: image/gif");

//建立畫布大小

$this->IMAGE=ImageCreate($this->X,$this->Y);

//設定畫布背景色

$background=ImageColorAllocate($this->IMAGE,$this->R,$this->G,$this->B);

if($this->TRANSPARENT=="1"){

//背影透明

Imagecolortransparent($this->IMAGE,$background);

}else{

//如不要透明時可填充背景色

ImageFilledRectangle($this->IMAGE,0,0,$this->X,$this->Y,$background);

}

//參數字體文小及顏色

$this->FONTCOLOR=ImageColorAllocate($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坐標軸

function printXY(){

//畫XY坐標軸*/

$color=ImageColorAllocate($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軸

ImageLine($this->IMAGE,$this->BORDER,$this->Y-$this->BORDER,$this->X-$this->BORDER,$this->Y-$this->BORDER,$color);//y軸

//Y軸上刻度

$rulerY=$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軸上刻度

$rulerX=$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);

}

}

//--------------豎柱形圖

function imageColumnS(){

$item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY);

$num=Count($item_array);

$item_max=0;

for ($i=0;$i

$item_max=Max($it

em_max,$item_array[$i]);

}

$xx=$this->BORDER*2;

//畫柱形圖

for ($i=0;$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

$height=($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);

//用于間隔

$xx=$xx+$this->BORDER*2;

}

}

//-----------橫柱形圖

function imageColumnH(){

$item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY);

$num=Count($item_array);

$item_max=0;

for ($i=0;$i

$item_max=Max($item_max,$item_array[$i]);

}

$yy=$this->Y-$this->BORDER*2;

//畫柱形圖

for ($i=0;$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);

//柱形長度

$leight=($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);

//用于間隔

$yy=$yy-$this->BORDER*2;

}

}

//--------------折線圖

function imageLine(){

$item_array=Split($this->ARRAYSPLIT,$this->ITEMARRAY);

$num=Count($item_array);

$item_max=0;

for ($i=0;$i

$item_max=Max($item_max,$item_array[$i]);

}

//$xx=$this->BORDER;

//畫柱形圖

for ($i=0;$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;

//用于間隔

$xx=$xx+$this->BORDER;

}

}

//--------------完成打印圖形YeMaoSheng.com

function printAll(){

ImageGIF($this->IMAGE);

ImageDestroy($this->IMAGE);?&nbs

p;

}

//--------------調試

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 "
數值個數:".$num."
數值:";

for ($i=0;$i

echo "
".$item_array[$i];

}

}

}

$report=new ImageReport;

$report->setImage(600,300,255,255,255,1);//參數(長,寬,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";//數值,用指定符號隔開

$report->setItem(',',$temparray,3,20);//參數(分隔數值的指定符號,數值變量,樣式1為豎柱圖2為橫柱圖3為折線圖,距離)

$report->setFont(1);//字體大小1-10

$report->PrintReport();

//$report->debug();//調式之用

?>

歡迎大家閱讀《用GD圖庫生成橫豎柱狀圖折線圖的類_php》,跪求各位點評,若覺得好的話請收藏本文，by 搞代碼

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