说明：  人脸检测Demo使用说明： 开发环境：jdk1.7 开发语言：java 使用步骤： 1.将lib下的jar包拷贝到官方下载的Java SDK工程的lib目录下，将CheckingDemo.java拷贝到Test包下 2.将自己创建应用的app_id和key填写到SDK工程的配置文件中 3.将测试图片1.jpg放到D盘下（也可以用自己本地的人脸图片） 4.运行CheckingDemo.java中的main方法即可
(Face detection Demo instructions: Development environment: jdk1.7 Development language: Java Usage steps: 1. Copy the jar package under lib to the lib directory of the officially downloaded Java SDK project, and copy the checkingdemo.java to the Test package 2. Fill in the configuration file of SDK project with the app_id and key of the application created by yourself 3. Place test image 1.jpg under D (or use your own local face image) 4. Run the main method in checkingdemo.java)