java获取项目路径方法_java项目获取路径的几种方式

第一种:

File f = new File(this.getClass().getResource("/").getPath());

System.out.println(f);

结果:

C:\Documents%20and%20Settings\Administrator\workspace\projectName\bin

获取当前类的所在工程路径;

如果不加“/”

File f = new File(this.getClass().getResource("").getPath());

System.out.println(f);

结果:

C:\Documents%20and%20Settings\Administrator\workspace\projectName\bin\com\test

获取当前类的绝对路径;

第二种:

File directory = new File("");//参数为空

String courseFile = directory.getCanonicalPath() ;

System.out.println(courseFile);

结果:

C:\Documents and Settings\Administrator\workspace\projectName

获取当前类的所在工程路径;

第三种:

URL xmlpath = this.getClass().getClassLoader().getResource("selected.txt");

System.out.println(xmlpath);

结果:

file:/C:/Documents%20and%20Settings/Administrator/workspace/projectName/bin/selected.txt

获取当前工程src目录下selected.txt文件的路径

第四种:

System.out.println(System.getProperty("user.dir"));

结果:

C:\Documents and Settings\Administrator\workspace\projectName

获取当前工程路径

第五种:

System.out.println( System.getProperty("java.class.path"));

结果:

C:\Documents and Settings\Administrator\workspace\projectName\bin

获取当前工程路径


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