第一種方式:
Properties dbProps = new Properties();
InputStream fileinputstreams = new FileInputStream("src/spf.properties");
dbProps.load(fileinputstream);
第二種方式:
Properties dbProps = new Properties();
ClassLoader cl = Thread.currentThread().getContextClassLoader();
InputStream fileinputstream=cl.getResourceAsStream("spf.properties");
dbProps.load(fileinputstream);