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Java调用计算机摄像头照相(Rest API的页面操作)

使用开源组件webcam-capture：https://github.com/sarxos/webcam-capture

项目源码GitHub：https://github.com/muphy1112/RuphyRecorder

本例子使用基于Java rest API的页面操作，方便远程拍照

新建Spring Boot项目

pop.xml

xml version="1.0" encoding="UTF-8"?>

projectxmlns="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>4.0.0modelVersion>

parent>

groupId>org.springframework.bootgroupId>

artifactId>spring-boot-starter-parentartifactId>

version>2.2.5.RELEASEversion>

relativePath/>

parent>

groupId>me.muphygroupId>

artifactId>recorderartifactId>

version>0.0.1-SNAPSHOTversion>

name>recordername>

description>Demo project for Spring Bootdescription>

properties>

java.version>1.8java.version>

properties>

dependencies>

dependency>

groupId>org.springframework.bootgroupId>

artifactId>spring-boot-starter-webartifactId>

dependency>

dependency>

groupId>com.github.sarxosgroupId>

artifactId>webcam-captureartifactId>

version>0.3.12version>

dependency>

dependency>

groupId>org.springframework.bootgroupId>

artifactId>spring-boot-starter-testartifactId>

scope>testscope>

exclusions>

exclusion>

groupId>org.junit.vintagegroupId>

artifactId>junit-vintage-engineartifactId>

exclusion>

exclusions>

dependency>

dependencies>

build>

plugins>

plugin>

groupId>org.springframework.bootgroupId>

artifactId>spring-boot-maven-pluginartifactId>

plugin>

plugins>

build>

project>

application.properties

server.port=8080

#保存根路径

record.path=E:/workspace/share/

index.html

DOCTYPE html>

htmllang="en">

head>

metacharset="UTF-8">

title>莫非照相机title>

head>

body>

div>

div>span>ahref="/tp">拍照a>span>div>

div>

body>

html>

CameraController.java

packageme.muphy.camera;importme.muphy.servicce.CameraService;importorg.springframework.beans.factory.annotation.Autowired;importorg.springframework.web.bind.annotation.GetMapping;importorg.springframework.web.bind.annotation.RestController;

@RestControllerpublic classCameraController {

@AutowiredprivateCameraService cameraService;

@GetMapping("/tp")publicString takePictures(String[] args) {

String msg=cameraService.takePictures();return "

" + msg + "

" +

"点击查看所有照片" +

"返回首页";

}

}

CameraService.java

packageme.muphy.servicce;importcom.github.sarxos.webcam.Webcam;importcom.github.sarxos.webcam.WebcamResolution;importcom.github.sarxos.webcam.WebcamUtils;importorg.springframework.beans.factory.annotation.Value;importorg.springframework.stereotype.Service;importjava.io.File;importjava.text.SimpleDateFormat;importjava.util.Date;

@Servicepublic classCameraService {

@Value("${download.path:E:/workspace/download/}")privateString downloadPath;publicString takePictures() {

Webcam webcam=Webcam.getDefault();if (webcam == null) {return "没有找到摄像设备！";

}

String filePath= downloadPath + "/picture/" + new SimpleDateFormat("yyyy-MM-dd").format(newDate());

File path= newFile(filePath);if (!path.exists()) {//如果文件不存在，则创建该目录

path.mkdirs();

}

String time= new SimpleDateFormat("yyyMMdd_HHmmss").format(newDate());

File file= new File(filePath + "/" + time + ".jpg");

webcam.setViewSize(WebcamResolution.VGA.getSize());

WebcamUtils.capture(webcam, file);return "拍照成功！";

}

}

CameraApplication.java

packageme.muphy;importorg.springframework.boot.SpringApplication;importorg.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplicationpublic classCameraApplication {public static voidmain(String[] args) {

SpringApplication.run(CameraApplication.class, args);

}

}

启动项目

当前电脑没有摄像头，因此是正常的

Java调用计算机摄像头照相(Rest API控制，方便远程拍照)

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