jdbc.properties,以及读取配置信息

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driverClassName=org.gjt.mm.mysql.Driver
url=jdbc:mysql://localhost:3306/itcast_test?useUnicode=true&characterEncoding=UTF-8
username=root
password=root
initialSize=1
maxActive=100
maxIdle=8
minIdle=1

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public void getValue(){//System.out.println("..//"+System.getProperty("user.dir")+"//webapps");try {String path = this.getClass().getClassLoader().getResource("/").getPath();String url = path.replaceAll("%20", " ");FileInputStream fis = new FileInputStream(url+"config.properties");Properties prop = System.getProperties();try {prop.load(fis);//赋值this.DRIVER = prop.getProperty("driver");this.URL = prop.getProperty("url");this.USER = prop.getProperty("user");this.PASSWORD =prop.getProperty("password");} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}} catch (FileNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();}}