读取properties文件里的某属性
/**
* 读取文件库配置文件
*/
Properties properties = new Properties();
InputStream ips = ImageServiceImpl.class.getClassLoader().getResourceAsStream("config.properties");
properties.load(ips);
String path = properties.getProperty("imagePath");
String servicePath = properties.getProperty("imageServicePath");
读取Resource文件夹下的文件
InputStream file = this.getClass().getResourceAsStream("/templates/statistics/templatesfileExcel/阿斯顿.xlsx");