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小茹，我来支持你了----PHP GD BarClass
<?php
class Bar
{
var $fileName;//数据文件
var $fontSize;//字体大小
var $imageBorderSpace;//图像边距
var $barFaceW;//柱条正面宽度
var $barSideW;//柱条侧面宽度
var $bgFaceColor;//背景正面颜色
var $bgSideColor;//背景侧面颜色
var $bgFloodColor;//背景底面颜色
var $barFaceColor;//柱条正面颜色
var $barSideColor;//柱条侧面颜色
var $barTopColor;//柱条顶面颜色
var $labelFontColor; //X,Y轴标签字体颜色
var $barFontColor;//柱条上标注字体颜色
var $imageColor;//图像背景颜色
var $borderColor;//边线，刻度线颜色
var $image;//image handle
var $barFontPos;//柱条上文字位置(top:顶端；middle:中部;bottom:底部)
var $barFontWay;//柱条上文字方向(up:竖写；down:横写)
var $xPointCount;//X轴坐标数目
var $xLabelArray;//X轴标签
var $dataArray;//柱条上文字
var $angle;//X,Y轴夹角
var $lineCount;//刻度线数量
var $lineH;//刻度线间距
var $imageType;//输出图片格式:gif,jpeg,png
//-------------------------------------
//构造函数
//-------------------------------------
function Bar()
{
$this->;fileName = "3dbar.dat";
$this->;fontSize = 5;
$this->;imageBorderSpace = 5;
$this->;barFaceW = 10;
$this->;barSideW = 10;
$this->;bgFaceColor = "#9999FF";
$this->;bgSideColor = "#ACACFF";
$this->;bgFloodColor = "#ECECFF";
$this->;barFaceColor = "#FFCCCC";
$this->;barSideColor = "#FF9999";
$this->;barTopColor = "#FFE8E8";
$this->;labelFontColor = "#330099";
$this->;barFontColor = "#000000";
$this->;imageColor = "#FFFFFF";
$this->;borderColor = "#CCCCFF";
$this->;barFontPos = "top";
$this->;barFontWay = "down";
$this->;angle = 45;
$this->;lineCount = 10;
$this->;lineH = 20;
$this->;imageType = "png";
}
//-------------------------------------
//设定数据文件名
//-------------------------------------
function setFileName($name)
{
$this->;fileName = $name;
}
//-------------------------------------
//设定字体大小
//-------------------------------------
function setFontSize($size)
{
$this->;fontSize = $size;
}
//-------------------------------------
//设定图像边距
//-------------------------------------
function setImageBorderSpace($space)
{
$this->;imageBorderSpace = $space;
}
//-------------------------------------
//设定柱条正面宽度
//-------------------------------------
function setBarFaceW($width)
{
$this->;barFaceW = $width;
}
//-------------------------------------
//设定柱条侧面宽度
//-------------------------------------
function setBarSideW($width)
{
$this->;barSideW = $width;
}
//-------------------------------------
//取得原始数据
//-------------------------------------
function setDataArray($xLabelArray, $dataArray, $xPointCount)
{
/*
$file = file($this->;fileName);
$this->;xPointCount = count($file);
for($i = 0; $i < $this->;xPointCount; $i++)
{
$line = explode("||",$file[$i]);
$this->;xLabelArray[$i] = $line[0];
$this->;dataArray[$i] = (int)$line[1];
}
*/
//add by wsjakey 11-20
$this->;xLabelArray = $xLabelArray;
$this->;dataArray = $dataArray;
$this->;xPointCount = $xPointCount;]
//end by wsjakey 11-20
}
//-------------------------------------
//取得原始数据中最大数据
//-------------------------------------
function getMaxData()
{
$maxValue = (int)$this->;dataArray[0];
for($i = 1; $i < count($this->;dataArray); $i++)
{
if($maxValue < (int)$this->;dataArray[$i])
{
$maxValue = (int)$this->;dataArray[$i];
}
}
return $maxValue;
}
//-------------------------------------
//将16进制颜色值转换成RGB,返回imageColorAllocate值
//-------------------------------------
function getImageColorAllocate($colorStr)
{
$firstChar = subStr($colorStr,0,1);
if($firstChar == "#"
{
$startPos = 1;
}
else
{
$startPos = 0;
}
$R = HexDec(subStr($colorStr,$startPos,2));
$G = HexDec(subStr($colorStr,$startPos+2,2));
$B = HexDec(subStr($colorStr,$startPos+4,2));
return imageColorAllocate($this->;image,$R,$G,$B);
}
//-------------------------------------
//设定正面背景颜色
//-------------------------------------
function setBgFaceColor($colorStr)
{
$this->;bgFaceColor = $colorStr;
}
//-------------------------------------
//取得正面背景颜色
//-------------------------------------
function getBgFaceColor()
{
return $this->;getImageColorAllocate($this->;bgFaceColor);
}
//-------------------------------------
//设定侧面背景颜色
//-------------------------------------
function setBgSideColor($colorStr)
{
$this->;bgSideColor = $colorStr;
}
//-------------------------------------
//取得侧面背景颜色
//-------------------------------------
function getBgSideColor()
{
return $this->;getImageColorAllocate($this->;bgSideColor);
}
//-------------------------------------
//设定底面背景颜色
//-------------------------------------
function setBgFloodColor($colorStr)
{
$this->;bgFloodColor = $colorStr;
}
//-------------------------------------
//取得底面背景颜色
//-------------------------------------
function getBgFloodColor()
{
return $this->;getImageColorAllocate($this->;bgFloodColor);
}
//-------------------------------------
//设定柱条正面颜色
//-------------------------------------
function setBarFaceColor($colorStr)
{
$this->;barFaceColor = $colorStr;
}
//-------------------------------------
//取得柱条正面颜色
//-------------------------------------
function getBarFaceColor()
{
return $this->;getImageColorAllocate($this->;barFaceColor);
}
//-------------------------------------
//设定柱条侧面颜色
//-------------------------------------
function setBarSideColor($colorStr)
{
$this->;barSideColor = $colorStr;
}
//-------------------------------------
//取得柱条侧面颜色
//-------------------------------------
function getBarSideColor()
{
return $this->;getImageColorAllocate($this->;barSideColor);
}
//-------------------------------------
//设定柱条顶面颜色
//-------------------------------------
function setBarTopColor($colorStr)
{
$this->;barTopColor = $colorStr;
}
//-------------------------------------
//取得柱条顶面颜色
//-------------------------------------
function getBarTopColor()
{
return $this->;getImageColorAllocate($this->;barTopColor);
}
//-------------------------------------
//设定X,Y轴标签字体颜色
//-------------------------------------
function setLabelFontColor($colorStr)
{
$this->;labelFontColor = $colorStr;
}
//-------------------------------------
//取得X,Y轴标签字体颜色
//-------------------------------------
function getLabelFontColor()
{
return $this->;getImageColorAllocate($this->;labelFontColor);
}
//-------------------------------------
//设定柱条字体颜色
//-------------------------------------
function setBarFontColor($colorStr)
{
$this->;barFontColor = $colorStr;
}
//-------------------------------------
//取得柱条字体颜色
//-------------------------------------
function getBarFontColor()
{
return $this->;getImageColorAllocate($this->;barFontColor);
}
//-------------------------------------
//设定图像背景颜色
//-------------------------------------
function setImageColor($colorStr)
{
$this->;imageColor = $colorStr;
}
//-------------------------------------
//取得图像背景颜色
//-------------------------------------
function getImageColor()
{
return $this->;getImageColorAllocate($this->;imageColor);
}
//-------------------------------------
//设定刻度线颜色
//-------------------------------------
function setBorderColor($colorStr)
{
$this->;borderColor = $colorStr;
}
//-------------------------------------
//取得刻度线颜色
//-------------------------------------
function getBorderColor()
{
return $this->;getImageColorAllocate($this->;borderColor);
}
//-------------------------------------
//设定X,Y夹角
//-------------------------------------
function setAngle($angle)
{
$this->;angle = $angle;
}
//-------------------------------------
//设定刻度线数量
//-------------------------------------
function setLineCount($num)
{
$this->;lineCount = $num;
}
//-------------------------------------
//设定刻度线间距
//-------------------------------------
function setLineH($height)
{
$this->;lineH = $height;
}
//-------------------------------------
//设定输出图片格式
//-------------------------------------
function setImageType($ext)
{
$this->;imageType = $ext;
}
//-------------------------------------
//角度转换成弧度
//-------------------------------------
function deg2rad($angle)
{
return $angle * (pi() / 180);
}
//-------------------------------------
//画图形
//-------------------------------------
function draw()
{
//edit by wsjakey 11-20
//$this->;setDataArray();
//end edit by wsjakey 11-20
//计算Y轴标签宽度
$fontW = imageFontWidth($this->;fontSize);
$labelMaxW = strLen($this->;getMaxData()) * $fontW;
//间距
$space = $this->;imageBorderSpace;
//图布
$bgSideW = ($this->;barSideW + $space) * cos($this->;deg2rad($this->;angle));
$bgFaceW = $this->;barFaceW + $this->;barFaceW * 3 * $this->;xPointCount + $this->;barFaceW;
$imageW = $space + $labelMaxW + $space + $bgSideW + $bgFaceW + $space;
$bgFaceH = $space + $this->;lineH * $this->;lineCount;
$bgFloodH = ($this->;barSideW + $space) * sin($this->;deg2rad($this->;angle));
$imageH = $space + $bgFaceH + $bgFloodH + $space + imageFontHeight($this->;fontSize) + $space;
$this->;image = imageCreate($imageW,$imageH);
imageFill($this->;image,0,0,$this->;getImageColor());
//背景正面
$pointArray1[0] = $space + $labelMaxW + $space + $bgSideW;
$pointArray1[1] = $space;
$pointArray1[2] = $pointArray1[0];
$pointArray1[3] = $pointArray1[1] + $bgFaceH;
$pointArray1[4] = $pointArray1[2] + $bgFaceW;
$pointArray1[5] = $pointArray1[3];
$pointArray1[6] = $pointArray1[4];
$pointArray1[7] = $pointArray1[1];
imageFilledPolygon($this->;image,$pointArray1,4,$this->;getBgFaceColor());
//背景侧面
$pointArray2[0] = $pointArray1[0];
$pointArray2[1] = $pointArray1[1];
$pointArray2[2] = $pointArray2[0] - $bgSideW;
$pointArray2[3] = $pointArray2[1] + tan($this->;deg2rad($this->;angle)) * $bgSideW;
$pointArray2[4] = $pointArray2[2];
$pointArray2[5] = $pointArray2[3] + $bgFaceH;
$pointArray2[6] = $pointArray2[0];
$pointArray2[7] = $pointArray2[1] + $bgFaceH;
imageFilledPolygon($this->;image,$pointArray2,4,$this->;getBgSideColor());
//背景底面
$pointArray3[0] = $pointArray2[6];
$pointArray3[1] = $pointArray2[7];
$pointArray3[2] = $pointArray3[0] - $bgSideW;
$pointArray3[3] = $pointArray3[1] + $bgFloodH;
$pointArray3[4] = $pointArray3[2] + $bgFaceW;
$pointArray3[5] = $pointArray3[3];
$pointArray3[6] = $pointArray3[0] + $bgFaceW;
$pointArray3[7] = $pointArray3[1];
imageFilledPolygon($this->;image,$pointArray3,4,$this->;getBgFloodColor());
//刻度线,一共 lineCount-1 条
for($i = 1; $i < $this->;lineCount; $i++)
{
imageLine($this->;image,$pointArray1[0],$space * 2 + $this->;lineH * $i,$pointArray1[6],$space * 2 + $this->;lineH * $i,$this->;getBorderColor());
}
//Y轴标签
$stepValue = round($this->;getMaxData() / $this->;lineCount);
for($i = 0; $i < $this->;lineCount; $i++)
{
$labelValue = $i * $stepValue;
imageString($this->;image,$this->;fontSize,$space,$pointArray3[1] - $i * $this->;lineH - imageFontHeight($this->;fontSize) / 2,$labelValue,$this->;getLabelFontColor());
}
//X轴标签
for($i = 0; $i < $this->;xPointCount; $i++)
{
imageString($this->;image,$this->;fontSize,$pointArray3[0] + $this->;barFaceW + $space + $this->;barFaceW * 3 * $i,$pointArray3[3] + $space,$i+1,$this->;getLabelFontColor());
}
//画柱条
for($i = 0; $i < $this->;xPointCount; $i++)
{
if($this->;dataArray[$i] != 0)
{
$barH = $this->;dataArray[$i] * ($this->;lineH / $stepValue);
//正面
$pointArray4[0] = $pointArray3[0] + $this->;barFaceW * 2 + $this->;barFaceW * 3 * $i - $this->;barSideW * cos($this->;deg2rad($this->;angle));
$pointArray4[1] = $pointArray3[1] + $this->;barSideW * sin($this->;deg2rad($this->;angle));
$pointArray4[2] = $pointArray4[0] + $this->;barFaceW;
$pointArray4[3] = $pointArray4[1];
$pointArray4[4] = $pointArray4[2];
$pointArray4[5] = $pointArray4[3] - $barH;
$pointArray4[6] = $pointArray4[0];
$pointArray4[7] = $pointArray4[5];
imageFilledPolygon($this->;image,$pointArray4,4,$this->;getBarFaceColor());
//侧面
$pointArray5[0] = $pointArray4[2];
$pointArray5[1] = $pointArray4[3];
$pointArray5[2] = $pointArray3[0] + $this->;barFaceW * 3 * ($i + 1);
$pointArray5[3] = $pointArray3[1];
$pointArray5[4] = $pointArray5[2];
$pointArray5[5] = $pointArray5[3] - $barH;
$pointArray5[6] = $pointArray5[0];
$pointArray5[7] = $pointArray5[1] - $barH;
imageFilledPolygon($this->;image,$pointArray5,4,$this->;getBarSideColor());
//顶面
$pointArray6[0] = $pointArray4[0];
$pointArray6[1] = $pointArray5[7];
$pointArray6[2] = $pointArray4[2];
$pointArray6[3] = $pointArray6[1];
$pointArray6[4] = $pointArray5[2];
$pointArray6[5] = $pointArray5[5];
$pointArray6[6] = $pointArray6[4] - $this->;barFaceW;
$pointArray6[7] = $pointArray6[5];
imageFilledPolygon($this->;image,$pointArray6,4,$this->;getBarTopColor());
//条柱标注文字
if($this->;barFontPos == "top"
{
$barFontY = $pointArray6[1] - imageFontHeight($this->;fontSize);
}
else if($this->;barFontPos == "middle"
{
$barFontY = $pointArray6[1] + $barH / 2 - imageFontHeight($this->;fontSize);
}
else if($this->;barFontPos == "bottom"
{
$barFontY = $pointArray4[1];
}
if($this->;barFontWay == "down"
{
imageString($this->;image,$this->;fontSize,$pointArray4[0],$barFontY,$this->;dataArray[$i],$this->;getBarFontColor());
}
else if($this->;barFontWay == "up"
{
imageStringUp($this->;image,$this->;fontSize,$pointArray4[0],$barFontY,$this->;dataArray[$i],$this->;getBarFontColor());
}
}
}
//输出图片
if($this->;imageType == "gif"
{
Header("Content-type: image/gif";
imageGif($this->;image);
}
else if($this->;imageType == "jpeg"
{
Header("Content-type: image/jpeg";
imageJpeg($this->;image);
}
else if($this->;imageType == "png")
{
Header("Content-type: image/gif");
//imagePng($this->;image,$this->;fileName.".png");
imagePng($this->;image);
}
imageDestroy($this->;image);
}
}
//add by wsjakey 11-20
//example
$bar = new Bar();
$str = "10:4:8:2:9:6:20";
$dataArray = explode(":", $str);
$xLabelArray = explode(":", $str);
$xPointCount = sizeof($dataArray);
$bar->;setDataArray($xLabelArray, $dataArray, $xPointCount);
$bar->;draw();
//end by wsjakey 11-20
?>;
楼上写的非常好，您没有给出例子来，我看了一下，发现您是从文件里取出的数据，所以我试着改了一下，并且给出一个小例子来，希望您不要介意哟！ |
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发表于 2001-11-24 11:03
