一生成柱状图、横柱图、折线图的类

网络整理 - 07-27

以下是引用片段：

<?php
/**
* 文件：cal_image.class.php
* 功能：产生柱状、折线图、横柱图类
* 作者：yemaosheng.com
*/

Class ImageReport
{
/* 图片数属性 */
var $X;    //图片大小X轴
var $Y;    //图片大小Y轴
var $R;    //背影色R值
var $G;    //背影色G值
var $B;    //背影色B值
var $TRANSPARENT; //是否透明1或0
var $IMAGE;   //图片对像
/* 附加属性 */
var $ARRAYSPLIT; //指定用于分隔数值的符号
var $ITEMARRAY;  //数值
var $REPORTTYPE; //图表类型,1为竖柱形2为横柱形3为折线形
var $BORDER;  //距离
/* 字体属性*/
var $FONTSIZE;  //字体大小
var $FONTCOLOR;  //字体颜色

/* 设置图片 */
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;
}

/* 设置获取数字 */
function setItem($ArraySplit,$ItemArray,$ReportType,$Border)
{
  $this->ARRAYSPLIT=$ArraySplit;
  $this->ITEMARRAY=$ItemArray;
  $this->REPORTTYPE=$ReportType;
  $this->BORDER=$Border;
}

/* 设置字体 */
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+$this->BORDER;
 while($rulerX<($this->X-$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;$i<$num;$i++)
 {
 $item_max=Max($item_max,$item_array[$i]);
 }
 $xx=$this->BORDER*2;
 //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
 $height=($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;$i<$num;$i++)
 {
 $item_max=Max($item_max,$item_array[$i]);
 }
 $yy=$this->Y-$this->BORDER*2;
 //画柱形图
 for ($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;$i<$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 */
function printAll()
{
ImageGIF($this->IMAGE);
ImageDestroy($this->IMAGE);
}

/* 调试函数 */
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;$i<$num;$i++)
 {
 echo " ".$item_array[$i];
 }
}
}
?>

/* 使用实例代码 */

以下是引用片段：

<?
//实例化对象
$report = new ImageReport();

//参数(长,宽,背影色R,G,B,是否透明1或0)
$report->setImage(2000, 300, 255, 255, 255, 1);

//数值,用指定符号隔开
$temparray="50,25,100,250,180,200,2150,220,200,150,50,25,100,250,180,200,150,220,200,150";

//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)
$report->setItem(',',$temparray,3,20);

//字体大小1-10
$report->setFont(1);

//输出图片
$report->PrintReport();

//调式
// $report->debug();
?>