code: public void store(String absolutePath) {
  		if (null == this.settingLoader) {
  			settingLoader = new SettingLoader(this.groupedMap, this.charset, this.isUseVariable);
  		}
  		settingLoader.store(absolutePath);
  	}
docs: 持久化当前设置，会覆盖掉之前的设置<br>
  持久化不会保留之前的分组
  
  @param absolutePath 设置文件的绝对路径