Properties属性文件操作Java工具类详解编程语言

is = Thread.currentThread().getContextClassLoader().getResourceAsStream(propsPath); if (is != null) { props = new Properties(); props.load(new InputStreamReader(is, encoding)); } catch (Exception e) { logger.error("加载属性文件出错！", e); throw new RuntimeException(e); } finally { try { if (is != null) { is.close(); } catch (IOException e) { logger.error("释放资源出错！", e); /** * 加载属性文件，并转为 Map public Map String, String loadPropsToMap(String propsPath) { Map String, String map = new HashMap String, String for (String key : props.stringPropertyNames()) { map.put(key, props.getProperty(key)); return map; /** * 获取字符型属性 public String getString(String key) { return props.getProperty(key); /** * 获取字符型属性，有默认值 public String getString(String key, String defaultValue) { return props.getProperty(key, defaultValue); /** * 获取字符型属性（有默认值） public static String getString(Properties props, String key, String defalutValue) { String value = defalutValue; if (props.containsKey(key)) { value = props.getProperty(key); return value; /** * 获取数值型属性 public Integer getInt(String key) { return getInt(key, null); public Integer getInt(String key, Integer defaultValue) { String value = props.getProperty(key); if (value != null) return Integer.parseInt(value.trim()); return defaultValue; /** * 获取Long型 public Long getLong(String key) { return getLong(key, null); public Long getLong(String key, Long defaultValue) { String value = props.getProperty(key); if (value != null) return Long.parseLong(value.trim()); return defaultValue; /** * 获取布尔型属性 public Boolean getBoolean(String key) { return getBoolean(key, null); public Boolean getBoolean(String key, Boolean defaultValue) { String value = props.getProperty(key); if (value != null) { value = value.toLowerCase().trim(); if ("true".equals(value)) return true; else if ("false".equals(value)) return false; throw new RuntimeException("The value can not parse to Boolean : " + value); return defaultValue; public boolean containsKey(String key) { return props.containsKey(key); public Properties getProperties() { return props; }

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