JAVA生成饼图

package at; import java.io.*; import com.sun.image.codec.jpeg.*; import java.util.*; import java.awt.geom.Arc2D; import java.awt.geom.Rectangle2D; import java.awt.image.*; import java.awt.*; public class JIamge { BufferedImage image; private int dia=240;//设置饼图透明度 private Color c1=new Color(0,255,0,dia); private Color c2=new Color(255,255,0,dia); private Color c3=new Color(255,0,0,dia); private Color c4=new Color(255,128,64,dia); private Color c5=new Color(255,128,255,dia); private Color c6=new Color(255,0,128,dia); private Color c7=new Color(233,124,24,dia); private Color c8=new Color(204,119,115,dia); private Color c9=new Color(89,159,230,dia); private Color c10=new Color(148,140,179,dia); private Color c11=new Color(128,0,64,dia); private Color c12=new Color(174,197,208,dia); private Color colors[]={c1,c2,c3,c12,c11,c6,c4,c8,c9,c10,c5,c7}; Rectangle RectofChart = new Rectangle(); public void createImage(String fileLocation) { try { FileOutputStream fos = new FileOutputStream(fileLocation); BufferedOutputStream bos = new BufferedOutputStream(fos); JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bos); encoder.encode(image); bos.close(); } catch(Exception ex) { ex.printStackTrace(); } } public void graphicsGeneration(int xpdata[],String punit[],int xcdata[],String cunit[],int hpdata[],String hpunit[],int hcdata[],String hcunit[],String title) { int imageWidth = 1280;//图片的宽度 int imageHeight =1280;//图片的高度 int xpsum = 0; //省委项目总数 int xcsum = 0; //市委项目总数 int hpsum = 0; //省委合同总数 int hcsum = 0; //市委合同总数 int start = 0; String percent[]=new String[xpdata.length]; //每个数据所占百分比 int radian[]=new int[xpdata.length]; //每个数据所对应的弧度数 for(int a=0;a<xpdata.length;a++) { xpsum = xpdata[a]+xpsum; //省发改委的项目总数 } for(int p=0;p<xpdata.length;p++) { if(((float)xpdata[p]/xpsum*100)<10) { percent[p]=String.valueOf((float)xpdata[p]/xpsum*100).substring(0,3)+"%"; } else { percent[p]=String.valueOf((float)xpdata[p]/xpsum*100).substring(0,4)+"%"; //省发改委的项目百分比 } } for(int r=0;r<xpdata.length;r++) { radian[r]=Math.round((float)xpdata[r]/xpsum*360); //省 应转的角度 } String cpercent[]=new String[xcdata.length]; //每个数据所占百分比 int cradian[]=new int[xcdata.length]; //每个数据所对应的弧度数 for(int b=0;b<xcdata.length;b++) { xcsum = xcdata[b]+xcsum; //市发的项目总数 } for(int p=0;p<xcdata.length;p++) { if(((float)xcdata[p]/xcsum*100)<10) { cpercent[p]=String.valueOf((float)xcdata[p]/xcsum*100).substring(0,3)+"%"; //市发改委的项目百分比 } else { cpercent[p]=String.valueOf((float)xcdata[p]/xcsum*100).substring(0,4)+"%"; //市发改委的项目百分比 } } for(int r=0;r<xcdata.length;r++) { cradian[r]=Math.round((float)xcdata[r]/xcsum*360); //市 应转的角度 } //************************************************************** String hpercent[]=new String[hpdata.length]; //每个数据所占百分比 int hradian[]=new int[hpdata.length]; for(int a=0;a<hpdata.length;a++) { hpsum = hpdata[a]+hpsum; //省发改委的合同总数 } for(int p=0;p<hpdata.length;p++) { if(((float)hpdata[p]/hpsum*100)<10) { hpercent[p]=String.valueOf((float)hpdata[p]/hpsum*100).substring(0,3)+"%"; } else { hpercent[p]=String.valueOf((float)hpdata[p]/hpsum*100).substring(0,4)+"%"; //省发改委的项目百分比 } } for(int r=0;r<hpdata.length;r++) { hradian[r]=Math.round((float)hpdata[r]/hpsum*360); //省 应转的角度 } String hcpercent[]=new String[hcdata.length]; //每个数据所占百分比 int hcradian[]=new int[hcdata.length]; //每个数据所对应的弧度数 for(int b=0;b<hcdata.length;b++) { hcsum = hcdata[b]+hcsum; //市发的合同总数 } for(int p=0;p<hcdata.length;p++) { if(((float)hcdata[p]/hcsum*100)<10) { hcpercent[p]=String.valueOf((float)hcdata[p]/hcsum*100).substring(0,3)+"%"; //市发改委的项目百分比 } else { hcpercent[p]=String.valueOf((float)hcdata[p]/hcsum*100).substring(0,4)+"%"; //市发改委的项目百分比 } } for(int r=0;r<hcdata.length;r++) { hcradian[r]=Math.round((float)hcdata[r]/hcsum*360); //市 应转的角度 } //********************************************************************** JIamge JIamge = new JIamge(); Arc2D arc = new Arc2D.Float(Arc2D.PIE); JIamge.image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB); Graphics graphics = JIamge.image.getGraphics(); Graphics2D g2=(Graphics2D)graphics; graphics.setColor(Color.WHITE); graphics.fillRect(0,0,imageWidth,imageHeight); graphics.setColor(Color.DARK_GRAY); RenderingHints hints = new RenderingHints(null); hints.put(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g2.setRenderingHints(hints); GradientPaint gradient=new GradientPaint(0,0,Color.white,0,1000,new Color(162,189,230),false); g2.setPaint(gradient); Rectangle2D rect=new Rectangle2D.Double(0,0,imageWidth,imageHeight); g2.fill(rect); g2.setColor(new Color(147,179,225)); g2.fill3DRect(0,0,1280,100,true); g2.setFont(new Font("黑体",Font.BOLD,50)); g2.setColor(Color.black); g2.drawString(title,(800/2)-(title.length()*15/2),60); g2.setFont(new Font("黑体",Font.BOLD,30)); g2.drawString("省发改委", 40, 313); g2.setColor(Color.BLUE); g2.setColor(new Color(85,85,85,100)); g2.drawOval(260,200,280,200); g2.fillOval(260,200,280,200); g2.setColor(Color.black); for(int j=0;j<xpdata.length;j++) { g2.setColor(colors[j]); arc.setFrame(260,180,280,200); arc.setAngleStart(start); arc.setAngleExtent(radian[j]); g2.fill(arc); g2.draw(arc); g2.setFont(new Font("宋体",Font.CENTER_BASELINE,18)); g2.setColor(Color.BLACK); if(start+radian[j]<90) { double c=(start+radian[j]-radian[j]/2)*Math.PI/180; int d2 = (int)(400+Math.cos(c)*150); int d3 = (int)(300-Math.sin(c)*150); g2.drawString(punit[j]+percent[j],d2,d3); } if(start+radian[j]>=90&&start+radian[j]<=180) { double c=(start+radian[j]-radian[j]/2)*Math.PI/180; int d2 = (int)(400+Math.cos(c)*150); int d3 = (int)(300-Math.sin(c)*150); g2.drawString(punit[j]+percent[j],d2-70,d3); } if(start+radian[j]>=180&&start+radian[j]<=270) { double c=(start+radian[j]-radian[j]/2)*Math.PI/180; int d2 = (int)(400+Math.cos(c)*150); int d3 = (int)(300-Math.sin(c)*150); g2.drawString(punit[j]+percent[j],d2-70,d3); } if(start+radian[j]>=270&&start+radian[j]<=380) { double c=(start+radian[j]-radian[j]/2)*Math.PI/180; int d2 = (int)(400+Math.cos(c)*150); int d3 = (int)(300-Math.sin(c)*150); g2.drawString(punit[j]+percent[j],d2,d3); } start+=radian[j]; } g2.setColor(Color.BLACK); g2.setFont(new Font("黑体",Font.BOLD,30)); //*********************************省发改委 g2.setColor(Color.black); g2.drawString("项目数量", 40, 650); g2.setColor(Color.BLUE); g2.setColor(new Color(85,85,85,100)); g2.drawOval(260,550,280,200); g2.fillOval(260,550,280,200); g2.setColor(Color.BLUE); int csum = Math.round((float)xcsum/(xpsum+xcsum)*360); int xsum = Math.round((float)xpsum/(xpsum+xcsum)*360); g2.fillArc(260,530,280,200,0,xsum); //项目数量省委比例 double c=(xsum-xsum/2)*Math.PI/180; int d2 = (int)(400+Math.cos(c)*150); int d3 = (int)(650-Math.sin(c)*150); String xpmax=String.valueOf((float)xpsum/(xpsum+xcsum)*100).substring(0,4)+"%"; g2.setColor(Color.BLACK); g2.setFont(new Font("宋体",Font.CENTER_BASELINE,20)); g2.drawString("省发改委"+xpmax,d2,d3); g2.setColor(Color.red); g2.fillArc(260,530,280,200,xsum,csum); //项目数量市委比例 g2.setColor(Color.DARK_GRAY); double c1=((xsum+csum)-(xsum+csum)/2)*Math.PI/180; int d4 = (int)(400+Math.cos(c1)*150); int d5 = (int)(65