java生成宣传海报

怼烎@ 2023-02-26 06:24 7阅读 0赞

> 嘿~好久不见。

今天给大家分享的是java代码生成海报

先看看效果图：

![file][]

是不是还挺漂亮的，背景来自我们公司ui。

看一下代码工程：

![file][file 1]

controller：
    
    package cn.cnbuild.draw.controller;
    
    import cn.cnbuild.draw.utils.draw.PosterUtil;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    @RestController
    public class IndexController {
    
       @Autowired
       private PosterUtil posterUtil;
    
    
       @RequestMapping(value = "/")
       public String index() {
    
           String qrCodeUrl = "https://img.cnbuilder.cn/blog/6a63929cb1b4bd502e423bfbf25132e5.png"; //二维码
           String name = "kingyifan";
           String company = "猿码优创";
    
           posterUtil.drawImg(qrCodeUrl, name, company);
           return "欢迎来带猿码优创-生成海报系统";
       }
    }
    
    //draw工具类：
    package cn.cnbuild.draw.utils.draw;
    
    import java.awt.*;
    import java.awt.image.BufferedImage;
    import java.io.File;
    import java.net.URL;
    import javax.imageio.ImageIO;
    
    import cn.cnbuild.draw.utils.FontUtil;
    import org.springframework.stereotype.Component;
    
    @Component
    public class PosterUtil {
    
       /**
        * 生成海报
        *
        * @param qrCodeUrl
        * @param name
        * @param company
        * @return
        */
       public String drawImg(String qrCodeUrl, String name, String company) {
           try {
               Poster poster_ = new Poster();
               //海报的宽度
               poster_.setWidth(750);
               //海报的高度
               poster_.setHeight(1334);
               poster_.setQrCodeUrl(qrCodeUrl); //二维码
               poster_.setName(name);//名字
               poster_.setCompany(company);//公司
               Poster poster = PosterUtil.initPoster(poster_);
               String url = drawPoster(poster);
               return url;
    
           } catch (Exception e) {
               e.printStackTrace();
           }
           return "";
       }
    
       //背景的图片地址
       private static String bg_img = "D:\\hcr\\dev\\source\\other\\learn\\draw\\src\\main\\resources\\draw\\bg\\bg1.png";
    
       /**
        * 初始化海报信息
        *
        * @param poster_
        * @return
        */
       static Poster initPoster(Poster poster_) {
    
           Poster poster = new Poster();
           //画布宽高
           poster.setWidth(poster_.getWidth());
           poster.setHeight(poster_.getHeight());
    
           //名字
           poster.setName(poster_.getName());
           //字体可以更换成本地连接，这样不会造成字体丢失
           poster.setNameFont(FontUtil.getFont(FontUtil.SIMSUN1, 60));
           poster.setNameColor(new Color(255, 255, 255));//颜色字体
           poster.setNameX(46);//名字在海报的什么位置
           poster.setNameY(418);
    
    
           //公司 --注释同上
           poster.setCompany(poster_.getCompany());
           poster.setCompanyFont(FontUtil.getFont(FontUtil.SIMSUN, 26));
           poster.setCompanyColor(new Color(255, 255, 255));
           poster.setCompanyX(48);
           poster.setCompanyY(490);
    
    
           //二维码
           poster.setQrCodeUrl(poster_.getQrCodeUrl());
           poster.setQrCodeWidth(252);
           poster.setQrCodeHeight(252);
           poster.setQrCodeY(566);
           poster.setQrCodeX(260);
    
    
           return poster;
       }
    
       String drawPoster(Poster poster) throws Exception {
           System.out.println("开始生成二维码");
           //开始时间
           long startTime = System.currentTimeMillis();
    
           String qrCodeUrl = poster.getQrCodeUrl();
           BufferedImage qrCodeImage = ImageIO.read(new URL(qrCodeUrl));
    
           int width = poster.getWidth();
           int height = poster.getHeight();
           //画布
           BufferedImage canvas = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
           Graphics2D g = (Graphics2D) canvas.getGraphics();
           BufferedImage bg = null;
           bg = ImageIO.read(new File(bg_img));
           g.drawImage(bg.getScaledInstance(width, height, Image.SCALE_DEFAULT), 0, 0, null);
    
           // 设置文字抗锯齿
           g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    
           //画二维码
           g.drawImage(qrCodeImage.getScaledInstance(poster.getQrCodeWidth(), poster.getQrCodeHeight(), Image.SCALE_SMOOTH),
                   poster.getQrCodeX(), poster.getQrCodeY(), null);
    
           //名字
           g.setColor(poster.getNameColor());
           g.setFont(poster.getNameFont());
           g.drawString(poster.getName(), poster.getNameX(), poster.getNameY());
    
           //公司
           g.setColor(poster.getCompanyColor());
           g.setFont(poster.getCompanyFont());
           g.drawString(poster.getCompany(), poster.getCompanyX(), poster.getCompanyY());
    
           g.dispose();
    
           //生成图片地址
           File resultImg = new File("D:\\hcr\\dev\\source\\other\\learn\\draw\\src\\main\\resources\\draw\\result\\" + poster.getName() + ".png");
           ImageIO.write(canvas, "png", resultImg);
    
           System.out.println("生成成功！");
           System.out.println("耗时: " + (System.currentTimeMillis() - startTime) / 1000.0 + "s");
           System.out.println("生成文件路径: " + resultImg.getAbsolutePath());
    
           //返回图片地址
           return resultImg.getAbsolutePath();
       }
    
    }
    
    海报实体类：
    package cn.cnbuild.draw.utils.draw;
    
    import java.awt.*;
    import java.io.Serializable;
    
    public class Poster implements Serializable {
       private int width;//海报的宽（像素为单位）
       private int height;//海报的高
    
       //名字
       private String name;
       private Font nameFont;
       private Color nameColor;
       private int nameX;
       private int nameY;
    
       //公司
       private String company;
       private Font companyFont;
       private Color companyColor;
       private int companyX;
       private int companyY;
    
    
       //二维码
       private String qrCodeUrl;
       private int qrCodeX;
       private int qrCodeY;
       private int qrCodeWidth;
       private int qrCodeHeight;
    
       public String getName() {
           return name;
       }
    
       public void setName(String name) {
           this.name = name;
       }
    
       public Font getNameFont() {
           return nameFont;
       }
    
       public void setNameFont(Font nameFont) {
           this.nameFont = nameFont;
       }
    
       public Color getNameColor() {
           return nameColor;
       }
    
       public void setNameColor(Color nameColor) {
           this.nameColor = nameColor;
       }
    
       public int getNameX() {
           return nameX;
       }
    
       public void setNameX(int nameX) {
           this.nameX = nameX;
       }
    
       public int getNameY() {
           return nameY;
       }
    
       public void setNameY(int nameY) {
           this.nameY = nameY;
       }
    
       public String getCompany() {
           return company;
       }
    
       public void setCompany(String company) {
           this.company = company;
       }
    
       public Font getCompanyFont() {
           return companyFont;
       }
    
       public void setCompanyFont(Font companyFont) {
           this.companyFont = companyFont;
       }
    
       public Color getCompanyColor() {
           return companyColor;
       }
    
       public void setCompanyColor(Color companyColor) {
           this.companyColor = companyColor;
       }
    
       public int getCompanyX() {
           return companyX;
       }
    
       public void setCompanyX(int companyX) {
           this.companyX = companyX;
       }
    
       public int getCompanyY() {
           return companyY;
       }
    
       public void setCompanyY(int companyY) {
           this.companyY = companyY;
       }
    
       public String getQrCodeUrl() {
           return qrCodeUrl;
       }
    
       public void setQrCodeUrl(String qrCodeUrl) {
           this.qrCodeUrl = qrCodeUrl;
       }
    
       public int getQrCodeX() {
           return qrCodeX;
       }
    
       public void setQrCodeX(int qrCodeX) {
           this.qrCodeX = qrCodeX;
       }
    
       public int getQrCodeY() {
           return qrCodeY;
       }
    
       public void setQrCodeY(int qrCodeY) {
           this.qrCodeY = qrCodeY;
       }
    
       public int getQrCodeWidth() {
           return qrCodeWidth;
       }
    
       public void setQrCodeWidth(int qrCodeWidth) {
           this.qrCodeWidth = qrCodeWidth;
       }
    
       public int getQrCodeHeight() {
           return qrCodeHeight;
       }
    
       public void setQrCodeHeight(int qrCodeHeight) {
           this.qrCodeHeight = qrCodeHeight;
       }
    
       public int getWidth() {
           return width;
       }
    
       public void setWidth(int width) {
           this.width = width;
       }
    
       public int getHeight() {
           return height;
       }
    
       public void setHeight(int height) {
           this.height = height;
       }
    
    
    }
    
    
    字体工具类：
    package cn.cnbuild.draw.utils;
    
    import java.awt.*;
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.IOException;
    import java.io.InputStream;
    
    
    public class FontUtil {
    
    
       public static final int SIMSUN = 5;
       public static final int SIMSUN1 = 6;
    
    
       /**
        * 根据字体类型获取字体
        *
        * @param type
        * @param size
        * @return
        */
       public static Font getFont(int type, float size) {
           // 字体路径 TODO
           String path = "";
           switch (type) {
               case SIMSUN:
                   path = "D:\\hcr\\dev\\source\\other\\learn\\draw\\src\\main\\resources\\draw\\font\\aa.TTF";
                   break;
               case SIMSUN1:
                   path = "D:\\hcr\\dev\\source\\other\\learn\\draw\\src\\main\\resources\\draw\\font\\cc.OTF";
                   break;
           }
    
           File file = new File(path);
           InputStream inputStream = null;
           try {
               inputStream = new FileInputStream(file);
    
    
               Font sPfBoldFont = Font.createFont(Font.TRUETYPE_FONT, inputStream);
    
               sPfBoldFont = sPfBoldFont.deriveFont(size);
               sPfBoldFont.deriveFont(Font.BOLD);
               return sPfBoldFont;
           } catch (FontFormatException e) {
               e.printStackTrace();
           } catch (IOException e) {
               e.printStackTrace();
           } finally {
               try {
                   if (inputStream != null) {
                       inputStream.close();
                   }
               } catch (Exception e) {
                   e.printStackTrace();
               }
           }
           return null;
       }
    }
    
    启动文件：
    package cn.cnbuild.draw;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    
    @SpringBootApplication
    public class DrawApplication {
    
       public static void main(String[] args) {
           SpringApplication.run(DrawApplication.class, args);
       }
    
    }
    
    application.yml文件
    
    spring:
     profiles:
       active: dev #选择要用那个配置文件
    	
    application-dev.yml文件	
    
    #端口号访问路径
    server:
     port: 12007
     servlet:
       context-path: /
    
    pom文件：
    <?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
       <modelVersion>4.0.0</modelVersion>
       <parent>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-starter-parent</artifactId>
           <version>2.3.1.RELEASE</version>
           <relativePath/> 
       </parent>
       <groupId>cn.cnbuild</groupId>
       <artifactId>draw</artifactId>
       <version>0.0.1-SNAPSHOT</version>
       <name>draw</name>
       <description>Demo project for Spring Boot</description>
    
       <properties>
           <weixin-java-pay.version>3.5.0</weixin-java-pay.version>
           <java.version>1.8</java.version>
       </properties>
    
       <dependencies>
           <dependency>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-starter-web</artifactId>
           </dependency>
    
           <dependency>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-starter</artifactId>
           </dependency>
    
           <dependency>
               <groupId>cn.hutool</groupId>
               <artifactId>hutool-all</artifactId>
               <version>4.1.21</version>
           </dependency>
    
    
           
           <dependency>
               <groupId>com.alibaba</groupId>
               <artifactId>fastjson</artifactId>
               <version>1.2.28</version>
           </dependency>
    
    
           
           <dependency>
               <groupId>com.fasterxml.jackson.core</groupId>
               <artifactId>jackson-databind</artifactId>
           </dependency>
           <dependency>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-starter-web</artifactId>
           </dependency>
           <dependency>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-starter-web</artifactId>
           </dependency>
           <dependency>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-starter-web</artifactId>
           </dependency>
           <dependency>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-starter-web</artifactId>
           </dependency>
    
    
       </dependencies>
       <build>
           <plugins>
               <plugin>
                   <groupId>org.springframework.boot</groupId>
                   <artifactId>spring-boot-maven-plugin</artifactId>
               </plugin>
           </plugins>
       </build>
    
    </project>

启动文件：

![file][file 2]

终、、本文就是java生成海报，有什么问题可以联系我。

--------------------

代码下载链接：[https://download.csdn.net/download/weixin\_39984161/12614588][https_download.csdn.net_download_weixin_39984161_12614588]

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[file]: /images/20230209/8599454c762f4e0b8d8053ad1d63ca4e.png
[file 1]: https://imgconvert.csdnimg.cn/aHR0cHM6Ly9pbWcuY25idWlsZGVyLmNuL2Jsb2cvNjE3YzIzMTAyMTBmMWRmYjI0NWU5MmNkYzMxYTk1OTIucG5n?x-oss-process=image/format,png
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