This commit is contained in:
ehlxr 2017-03-15 17:50:28 +08:00
parent dac2d74a22
commit edf3ee1760

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package osc.git.eh3.utils;
/**
* Created by lixiangrong on 2017/3/15.
*/
import java.io.File;
import java.io.IOException;
import java.net.URL;
public class MyUrlDemo {
public static void main(String[] args) {
MyUrlDemo muDemo = new MyUrlDemo();
try {
muDemo.showURL();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void showURL() throws IOException {
// 第一种获取类加载的根路径 D:\git\daotie\daotie\target\classes
File f = new File(this.getClass().getResource("/").getPath());
System.out.println(f);
// 获取当前类的所在工程路径; 如果不加/ 获取当前类的加载目录 D:\git\daotie\daotie\target\classes\my
File f2 = new File(this.getClass().getResource("").getPath());
System.out.println(f2);
// 第二种获取项目路径 D:\git\daotie\daotie
File directory = new File("");// 参数为空
String courseFile = directory.getCanonicalPath();
System.out.println(courseFile);
// 第三种 file:/D:/git/daotie/daotie/target/classes/
URL xmlpath = this.getClass().getClassLoader().getResource("");
System.out.println(xmlpath);
// 第四种 D:\git\daotie\daotie
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 获取所有的类路径 包括jar包的路径
System.out.println(System.getProperty("java.class.path"));
}
}