1、安装opencv4.10
2、把安装目录下的 jar和dll文件复制到工程文件夹下的lib下面
D:\opencv\opencv\build\java
D:\opencv\opencv\build\java\x64
3、把D:\opencv\opencv\sources\data\haarcascades文件夹下的haarcascade_frontalface_alt.xml复制到
resources下
代码如下
package com.zsj.tool.apps.holiday.web;
/**
* @Description TODO
* @Date 2019/5/31 15:17
* @Author zsj
*/
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;