某音热门---图片转字符SpringBoot版
2024-05-13 12:48:33
####今天在某音热门视频中刷到的，图片转ASCLL码的视频，抱着试试看的态度我使用Spring Boot做了一个简易web版的。修为尚浅，请多指教！废话少说，上代码。
#环境
/**
*ubuntu
*JDK 1.8
*Spring Boot 1.5.6
*阿里云OSS
*/
#第一步 Maven依赖
<?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 http://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>1.5.6.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.zuoyang</groupId><artifactId>image2ascll</artifactId><version>0.0.2-SNAPSHOT</version><name>image2ascll</name><description>Demo project for Spring Boot</description><properties><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-devtools</artifactId><scope>runtime</scope><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><!-- 阿里云OSS--><!-- https://mvnrepository.com/artifact/com.aliyun.oss/aliyun-sdk-oss --><dependency><groupId>com.aliyun.oss</groupId><artifactId>aliyun-sdk-oss</artifactId><version>3.1.0</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.1</version></dependency><!-- Thymeleaf--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-thymeleaf</artifactId></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>
#第二步 配置文件
server.port=80## OSS
#OSS配置
oss.endpoint=你的endPoint(见控制台)
oss.keyid= 你的keyid
oss.keysecre=你的keysecret
oss.bucketname1=你新建的bucket的名字
oss.filehost=你的目录我做测试的是file(就是一个根目录)
#第三步 编写配置文件ConsantConfig.java
package com.zuoyang.image2ascll.config;import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;/*** @author 左羊* @date 2019-07-31 11:53:24*/
@Component("constantConfig")
public class ConstantConfig {@Value("${oss.endpoint}")private String LXIMAGE_END_POINT;@Value("${oss.keyid}")private String LXIMAGE_ACCESS_KEY_ID;@Value("${oss.keysecre}")private String LXIMAGE_ACCESS_KEY_SECRET;@Value("${oss.filehost}")private String LXIMAGE_FILE_HOST;@Value("${oss.bucketname1}")private String LXIMAGE_BUCKET_NAME1;public String getLXIMAGE_END_POINT() {return LXIMAGE_END_POINT;}public void setLXIMAGE_END_POINT(String LXIMAGE_END_POINT) {this.LXIMAGE_END_POINT = LXIMAGE_END_POINT;}public String getLXIMAGE_ACCESS_KEY_ID() {return LXIMAGE_ACCESS_KEY_ID;}public void setLXIMAGE_ACCESS_KEY_ID(String LXIMAGE_ACCESS_KEY_ID) {this.LXIMAGE_ACCESS_KEY_ID = LXIMAGE_ACCESS_KEY_ID;}public String getLXIMAGE_ACCESS_KEY_SECRET() {return LXIMAGE_ACCESS_KEY_SECRET;}public void setLXIMAGE_ACCESS_KEY_SECRET(String LXIMAGE_ACCESS_KEY_SECRET) {this.LXIMAGE_ACCESS_KEY_SECRET = LXIMAGE_ACCESS_KEY_SECRET;}public String getLXIMAGE_FILE_HOST() {return LXIMAGE_FILE_HOST;}public void setLXIMAGE_FILE_HOST(String LXIMAGE_FILE_HOST) {this.LXIMAGE_FILE_HOST = LXIMAGE_FILE_HOST;}public String getLXIMAGE_BUCKET_NAME1() {return LXIMAGE_BUCKET_NAME1;}public void setLXIMAGE_BUCKET_NAME1(String LXIMAGE_BUCKET_NAME1) {this.LXIMAGE_BUCKET_NAME1 = LXIMAGE_BUCKET_NAME1;}
}
#第四步 编写OSS工具类AliyunOSSUtil.java
package com.zuoyang.image2ascll.util;import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.CannedAccessControlList;
import com.aliyun.oss.model.CreateBucketRequest;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import com.zuoyang.image2ascll.config.ConstantConfig;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;/*** @author 左羊* @date 2019-07-31 11:53:24*/
@SuppressWarnings("AliDeprecation")
@Component("aliyunOSSUtil")
public class AliyunOssUtil {@Autowiredprivate ConstantConfig constantConfig;private static final org.slf4j.Logger LOGGER = LoggerFactory.getLogger(AliyunOssUtil.class);/*** 上传文件*/@SuppressWarnings("AliDeprecation")public String upLoad(File file) {LOGGER.info("------OSS文件上传开始--------" + file.getName());String endpoint = constantConfig.getLXIMAGE_END_POINT();System.out.println("获取到的Point为:" + endpoint);String accessKeyId = constantConfig.getLXIMAGE_ACCESS_KEY_ID();String accessKeySecret = constantConfig.getLXIMAGE_ACCESS_KEY_SECRET();String bucketName = constantConfig.getLXIMAGE_BUCKET_NAME1();String fileHost = constantConfig.getLXIMAGE_FILE_HOST();SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");String dateStr = format.format(new Date());String fileGetUrl = null;// 判断文件if (file == null) {return null;}OSSClient client = new OSSClient(endpoint, accessKeyId, accessKeySecret);try {// 判断容器是否存在,不存在就创建if (!client.doesBucketExist(bucketName)) {client.createBucket(bucketName);CreateBucketRequest createBucketRequest = new CreateBucketRequest(bucketName);createBucketRequest.setCannedACL(CannedAccessControlList.PublicRead);client.createBucket(createBucketRequest);}// 设置文件路径和名称String fileUrl = fileHost + "/" + (dateStr + "/" + UUID.randomUUID().toString().replace("-", "") + "-" + file.getName());System.out.println("A+fileUrl:" + fileUrl);// 上传文件PutObjectResult result = client.putObject(new PutObjectRequest(bucketName, fileUrl, file));// 设置权限(公开读)client.setBucketAcl(bucketName, CannedAccessControlList.PublicRead);if (result != null) {LOGGER.info("------OSS文件上传成功------" + fileUrl);LOGGER.info("文件上传路径：" + "https://" + constantConfig.getLXIMAGE_BUCKET_NAME1() + "." + constantConfig.getLXIMAGE_END_POINT() + "/" + fileUrl);fileGetUrl = "https://" + constantConfig.getLXIMAGE_BUCKET_NAME1() + "." + constantConfig.getLXIMAGE_END_POINT() + "/" + fileUrl;
// fileGetUrl = "https://" + constantConfig.getLXIMAGE_BUCKET_NAME1() + "." + constantConfig.getLXIMAGE_END_POINT() + "/" + fileUrl;return fileGetUrl;}} catch (OSSException oe) {LOGGER.error(oe.getMessage());} catch (ClientException ce) {LOGGER.error(ce.getErrorMessage());} finally {if (client != null) {client.shutdown();}}return null;}}
#第五步 图片压缩工具类
package com.zuoyang.image2ascll.util;import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.WritableRaster;
import java.io.*;/*** @author 左羊* @date 2019-07-31 11:53:24* 图片工具类，完成图片的截取* 所有方法返回值均未boolean型*/
public class ImageHelper {/*** 实现图像的等比缩放* @param source* @param targetW* @param targetH* @return*/private static BufferedImage resize(BufferedImage source, int targetW,int targetH) {// targetW，targetH分别表示目标长和宽int type = source.getType();BufferedImage target = null;double sx = (double) targetW / source.getWidth();double sy = (double) targetH / source.getHeight();// 这里想实现在targetW，targetH范围内实现等比缩放。如果不需要等比缩放// 则将下面的if else语句注释即可if (sx < sy) {sx = sy;targetW = (int) (sx * source.getWidth());} else {sy = sx;targetH = (int) (sy * source.getHeight());}if (type == BufferedImage.TYPE_CUSTOM) { // handmadeColorModel cm = source.getColorModel();WritableRaster raster = cm.createCompatibleWritableRaster(targetW,targetH);boolean alphaPremultiplied = cm.isAlphaPremultiplied();target = new BufferedImage(cm, raster, alphaPremultiplied, null);} elsetarget = new BufferedImage(targetW, targetH, type);Graphics2D g = target.createGraphics();// smoother than exlax:g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BICUBIC);g.drawRenderedImage(source, AffineTransform.getScaleInstance(sx, sy));g.dispose();return target;}/*** 实现图像的等比缩放和缩放后的截取, 处理成功返回true, 否则返回false* @param inFilePath 要截取文件的路径* @param outFilePath 截取后输出的路径* @param width 要截取宽度* @param hight 要截取的高度* @throws Exception*/public static boolean compress(String inFilePath, String outFilePath,int width, int hight) {boolean ret = false;File file = new File(inFilePath);File saveFile = new File(outFilePath);InputStream in = null;try {in = new FileInputStream(file);ret = compress(in, saveFile, width, hight);} catch (FileNotFoundException e) {e.printStackTrace();ret = false;} finally{if(null != in){try {in.close();} catch (IOException e) {e.printStackTrace();}}}return ret;}/*** 实现图像的等比缩放和缩放后的截取, 处理成功返回true, 否则返回false* @param in 要截取文件流* @param width 要截取宽度* @param hight 要截取的高度* @throws Exception*/public static boolean compress(InputStream in, File saveFile,int width, int hight) {// boolean ret = false;BufferedImage srcImage = null;try {srcImage = ImageIO.read(in);} catch (IOException e) {e.printStackTrace();return false;}if (width > 0 || hight > 0) {// 原图的大小int sw = srcImage.getWidth();int sh = srcImage.getHeight();// 如果原图像的大小小于要缩放的图像大小，直接将要缩放的图像复制过去if (sw > width && sh > hight) {srcImage = resize(srcImage, width, hight);} else {String fileName = saveFile.getName();String formatName = fileName.substring(fileName.lastIndexOf('.') + 1);try {ImageIO.write(srcImage, formatName, saveFile);} catch (IOException e) {e.printStackTrace();return false;}return true;}}// 缩放后的图像的宽和高int w = srcImage.getWidth();int h = srcImage.getHeight();// 如果缩放后的图像和要求的图像宽度一样，就对缩放的图像的高度进行截取if (w == width) {// 计算X轴坐标int x = 0;int y = h / 2 - hight / 2;try {saveSubImage(srcImage, new Rectangle(x, y, width, hight), saveFile);} catch (IOException e) {e.printStackTrace();return false;}}// 否则如果是缩放后的图像的高度和要求的图像高度一样，就对缩放后的图像的宽度进行截取else if (h == hight) {// 计算X轴坐标int x = w / 2 - width / 2;int y = 0;try {saveSubImage(srcImage, new Rectangle(x, y, width, hight), saveFile);} catch (IOException e) {e.printStackTrace();return false;}}return true;}/*** 实现图像的等比缩放和缩放后的截取, 处理成功返回true, 否则返回false* @param in 图片输入流* @param saveFile 压缩后的图片输出流* @param proportion 压缩比* @throws Exception*/public static boolean compress(InputStream in, File saveFile, int proportion) {if(null == in||null == saveFile||proportion < 1){// 检查参数有效性//LoggerUtil.error(ImageHelper.class, "--invalid parameter, do nothing!");return false;}BufferedImage srcImage = null;try {srcImage = ImageIO.read(in);} catch (IOException e) {e.printStackTrace();return false;}// 原图的大小int width = srcImage.getWidth() / proportion;int hight = srcImage.getHeight() / proportion;srcImage = resize(srcImage, width, hight);// 缩放后的图像的宽和高int w = srcImage.getWidth();int h = srcImage.getHeight();// 如果缩放后的图像和要求的图像宽度一样，就对缩放的图像的高度进行截取if (w == width) {// 计算X轴坐标int x = 0;int y = h / 2 - hight / 2;try {saveSubImage(srcImage, new Rectangle(x, y, width, hight), saveFile);} catch (IOException e) {e.printStackTrace();return false;}}// 否则如果是缩放后的图像的高度和要求的图像高度一样，就对缩放后的图像的宽度进行截取else if (h == hight) {// 计算X轴坐标int x = w / 2 - width / 2;int y = 0;try {saveSubImage(srcImage, new Rectangle(x, y, width, hight), saveFile);} catch (IOException e) {e.printStackTrace();return false;}}return true;}/*** 实现缩放后的截图* @param image 缩放后的图像* @param subImageBounds 要截取的子图的范围* @param subImageFile 要保存的文件* @throws IOException*/private static void saveSubImage(BufferedImage image,Rectangle subImageBounds, File subImageFile) throws IOException {if (subImageBounds.x < 0 || subImageBounds.y < 0|| subImageBounds.width - subImageBounds.x > image.getWidth()|| subImageBounds.height - subImageBounds.y > image.getHeight()) {//LoggerUtil.error(ImageHelper.class, "Bad subimage bounds");return;}BufferedImage subImage = image.getSubimage(subImageBounds.x,subImageBounds.y, subImageBounds.width, subImageBounds.height);String fileName = subImageFile.getName();String formatName = fileName.substring(fileName.lastIndexOf('.') + 1);ImageIO.write(subImage, formatName, subImageFile);}
}
#第六步 图片转ASCLL工具类
package com.zuoyang.image2ascll.util;import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;/*** @author 左羊* @date 2019-07-31 11:23:01**/
public class ImageToAscll {/*** @param path* 图片路径*/public static String createAsciiPic(final String path) {final String base = "#8XOHLTI)i=+;:,. ";// 字符串由复杂到简单final String txtPath ="/data/image2ascll/txts/abc.txt";try {final BufferedImage image = ImageIO.read(new File(path)); //读取图片//输出到指定文件中final BufferedWriter fos = new BufferedWriter(new FileWriter(txtPath,false)); //true表示是否追加for (int y = 0; y < image.getHeight(); y += 2) {for (int x = 0; x < image.getWidth(); x++) {final int pixel = image.getRGB(x, y);final int r = (pixel & 0xff0000) >> 16, g = (pixel & 0xff00) >> 8, b = pixel & 0xff;final float gray = 0.299f * r + 0.578f * g + 0.114f * b;final int index = Math.round(gray * (base.length() + 1) / 255);String s = index >= base.length() ? " " : String.valueOf(base.charAt(index));fos.write(s);}fos.newLine();}fos.close();} catch (final IOException e) {e.printStackTrace();}return txtPath;}}
#第七步 Service层
##接口类
package com.zuoyang.image2ascll.service;/*** @author 左羊* @date 2019-07-31 11:53:24*/
public interface ImageToAscllServie {String imageToAscll(String path);
}
##实现类
package com.zuoyang.image2ascll.service.imp;import com.zuoyang.image2ascll.service.ImageToAscllServie;
import com.zuoyang.image2ascll.util.ImageToAscll;
import com.zuoyang.image2ascll.util.ImageHelper;
import org.springframework.stereotype.Service;import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;/*** @author 左羊* @date 2019-07-31 11:53:24*/
@Service
public class ImageToAscllServiceImp implements ImageToAscllServie {@Overridepublic String imageToAscll(String path) {InputStream in = null;//缩放后需要保存的路径File saveFile = new File("/data/image2ascll/txts/ABC.jpg");try {//原图片的路径in = new FileInputStream(new File("/data/image2ascll/txts/"+path));if(ImageHelper.compress(in, saveFile, 5)){System.out.println("图片压缩5倍！");}} catch (Exception e) {e.printStackTrace();} finally {try {in.close();} catch (IOException e) {e.printStackTrace();}}return ImageToAscll.createAsciiPic("/data/image2ascll/txts/ABC.jpg");}
}
#第八步 controller层
##IndexController.class
package com.zuoyang.image2ascll.controller;import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;/*** @author 左羊* @date 2019-07-31 11:53:24*/
@Controller
public class IndexController {@RequestMapping("/")public String index(){return "imageToAscll";}
}
##ImageToAscllController.class
package com.zuoyang.image2ascll.controller;import com.zuoyang.image2ascll.service.imp.ImageToAscllServiceImp;
import com.zuoyang.image2ascll.util.AliyunOssUtil;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.FileOutputStream;
/*** @author douxiaofeng* @date 2019-07-31 11:53:24*/@RestController
public class ImageToAscllController {private final org.slf4j.Logger logger = LoggerFactory.getLogger(getClass());@Autowiredprivate ImageToAscllServiceImp imageToAscllServiceImp;@Autowiredprivate AliyunOssUtil aliyunOSSUtil;@RequestMapping(value = "/uploadimg")@PostMappingpublic @ResponseBodyString imgUploa(@RequestParam("file") MultipartFile file, HttpServletRequest request) {logger.info("文件上传");String filename = file.getOriginalFilename();logger.info("文件路径 = {}",filename);String uploadUrl = null;String uploadTxtUrl = null;String txtName = null;try {if (file != null) {if (!"".equals(filename.trim())) {// 图片File newFile = new File("/data/image2ascll/txts/"+filename);FileOutputStream os = new FileOutputStream(newFile);os.write(file.getBytes());os.close();file.transferTo(newFile);// 图片上传到OSSuploadUrl = file.getOriginalFilename();logger.info("图片地址={}",uploadUrl);// 文字txtName = imageToAscllServiceImp.imageToAscll(uploadUrl);File newTxtFile = new File(txtName);// 上传到OSSuploadTxtUrl = aliyunOSSUtil.upLoad(newTxtFile);}}} catch (Exception ex) {ex.printStackTrace();}return uploadTxtUrl;}
}
#启动类
package com.zuoyang.image2ascll;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;/*** @author 左羊* @date 2019-07-31 11:53:24*/
@SpringBootApplication
public class Image2ascllApplication {public static void main(String[] args) {SpringApplication.run(Image2ascllApplication.class, args);}}
#页面
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"/><title>imageToAscll</title><script type="text/javascript" src="lib/jquery-3.2.1.min.js"></script><style>#cert{/*opacity:0;*//*filter:alpha(opacity=0);*//*position: absolute;*//*top: 0;*//*left: 0;*/z-index: 9;display: none;}</style>
</head>
<body>
<button type="button" id="insert_image_button">添加图片<input id="cert" type="file"/>
</button></body>
<script>$(function () {$("#download-box").hide();// 添加图片$("#insert_image_button").click(function () {document.getElementById("cert").click();});// 图片上传function upload() {var type = "file"; //后台接收时需要的参数名称，自定义即可var id = "cert"; //即input的id，用来寻找值var formData = new FormData();formData.append(type, $("#" + id)[0].files[0]); //生成一对表单属性$.ajax({type: "POST", //因为是传输文件，所以必须是posturl: '/uploadimg', //对应的后台处理类的地址data: formData,processData: false,contentType: false,success: function (data) {window.open(data);// location.href=data;}});};//图片上传引用$("#cert").on("change", function () {if ($("#cert").val() != "") {upload();}});});
</script>
</html>
#测试 生成jar文件
#上传至服务器，启动jar文件 --》 浏览器输入地址
##看下结果
将显示文字复制到记事本
#最后附上博主大饼脸
###参考地址：
https://blog.csdn.net/abubu123/article/details/77099950
https://blog.csdn.net/renhd_1987/article/details/52948978
###github地址：
https://github.com/dxf1998/imageToAscll.git
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