java File 路径

/**
* .class相同路径下
*/
//   String fileName = StartRead.class.getResource("").getFile()+"SIPServer.20150330_123011_674.log";

/**
* resources目录
*/
//  String fileName = StartRead.class.getClassLoader().getResource("").getFile()+ File.separator+"SIPServer.20150330_123011_674.log";
/**
* 当前目录
*/
// String fileName = "work"+File.separator+"SIPServer.20150330_123011_675.log";