IO、绘制图形、包括（common

图形、包括（common"/>

IO、绘制图形、包括（common

依赖common-io配置如下

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns=".0.0"xmlns:xsi=""xsi:schemaLocation=".0.0 .0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>cn.wzt</groupId><artifactId>08io</artifactId><packaging>pom</packaging><version>1.0</version><properties><mavenpiler.source>17</mavenpiler.source><mavenpiler.target>17</mavenpiler.target></properties><dependencies><!--commons-i0--><!--一种新的io操作方式--><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.11.0</version></dependency></dependencies></project>

代码如下：

/** Copyright (c) 2006 - 2022, wzt All rights reserved.**/
package cn.wzt;import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;/*** <p>Project: app2022 - Img1* <p>Powered by lenovo on 2022-01-21 08:46* <P>Created by IntelliJ IDEA** @author lenovo* @version 1.0* @since 17*/
public class Img1 {public static BufferedImage bi;public static Graphics2D g;public static void main(String[] args) {//imageType()画布样式1 真彩 2 透明度 10 灰度bi = new BufferedImage(1000, 1000, 1);//建立画笔g = bi.createGraphics();//设置线条和文件的，抗锯齿（平滑）g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_DEFAULT);//设置画笔颜色
//        g.setColor(Color.WHITE);g.setColor(new Color(255,0,0,200));//r g b 表示颜色，a 表示透明度
//        g.setStroke(new BasicStroke(5));//设计画笔的粗细//画一条直线g.drawLine(500,0,500,1000);//x1,y1 表示起点坐标；x2,y2 表示终点坐标g.drawLine(0,500,1000,500);juxing();duobianxing();huxing();taiji();g.dispose();//释放画笔try {//将bi写入img.jpgImageIO.write(bi,"jpg",new File("img.jpg"));//调用系统命令查看img.jpgRuntime runtime = Runtime.getRuntime();runtime.exec("cmd /k start img.jpg");} catch (IOException e) {e.printStackTrace();}}/*** @Description: 画矩形操作* @Param: []* @return: void* @Author: wzt* @Date: 2022/1/21 13:14*/public static void juxing(){g.setColor(Color.ORANGE);//画一条直线g.drawLine(250,0,250,500);//x1,y1 表示起点坐标；x2,y2 表示终点坐标g.drawLine(0,250,500,250);//画一个无填充矩形,注：draw无填充，fille有填充g.drawRect(200,200,100,100);//画一个填充矩形g.fillRect(225,225,50,50);//画一个圆角矩形g.drawRoundRect(25,25,150,150,50,50);g.fillRoundRect(325,25,150,150,150,150);//画一个3D矩形
//        g.setColor(Color.GRAY);
//        g.fillRect(0,0,500,500);g.draw3DRect(25,325,150,150,true);g.draw3DRect(325,325,150,150,false);}/*** @Description:多边形操作* @Param: []* @return: void* @Author: wzt* @Date: 2022/1/21 13:51*/public static void duobianxing(){g.setColor(Color.ORANGE);//画一条直线g.drawLine(750,0,750,500);//x1,y1 表示起点坐标；x2,y2 表示终点坐标g.drawLine(500,250,1000,250);int[] x = {850,800,700,650,650,700,800,850};int[] y = {200,150,150,200,300,350,350,300};
//        Polygon polygon1 = new Polygon();
//        polygon1.addPoint(50, 10);
//        polygon1.addPoint(90, 50);
//        polygon1.addPoint(10, 50);
//        g.drawPolygon(polygon1);
//        g.setColor(Color.yellow);Polygon polygon2 = new Polygon(x, y, 8);g.drawPolygon(polygon2);}/*** @Description: 圆、弧线操作* @Param: []* @return: void* @Author: wzt* @Date: 2022/1/21 14:24*/public static void huxing(){g.setColor(Color.ORANGE);//画一条直线g.drawLine(250,500,250,1000);//x1,y1 表示起点坐标；x2,y2 表示终点坐标g.drawLine(0,750,500,750);//圆g.drawOval(200,700,100,100);//椭圆g.drawOval(25,575,200,100);//弧线g.drawArc(225,550,200,200,0,90);//左半圆g.fillArc(25,775,200,200,90,180);//右半圆g.fillArc(275,775,200,200,-90,180);}/*** @Description: 太极* @Param: []* @return: void* @Author: wzt* @Date: 2022/1/21 14:52*/public static void taiji(){//背景g.setColor(Color.ORANGE);g.fillRect(500,500,500,500);//大白半圆g.setColor(Color.white);g.fillArc(550,550,400,400,90,180);//大黑半圆g.setColor(Color.BLACK);g.fillArc(550,550,400,400,-90,180);//中白圆g.setColor(Color.white);g.fillOval(650,550,200,200);//中黑圆g.setColor(Color.BLACK);g.fillOval(650,750,200,200);//小白圆g.setColor(Color.white);g.fillOval(700,800,100,100);//小黑圆g.setColor(Color.BLACK);g.fillOval(700,600,100,100);}
}

效果图如下：