package com.jiepu;
import java.io.File;
import java.net.URISyntaxException;
import java.util.Map;
import java.util.Properties;
//java在gradle工程访问src/test/resources或者src/main/resources目录下的资源配置文件
public class TestMain
{
public static void main(String args[]) throws URISyntaxException {
System.out.println(new File(".").getAbsolutePath());
Properties properties=new Properties();
try {
// properties.load(new FileInputStream("config.properties"));
System.out.println(TestMain.class.getResource("/config.properties").toExternalForm());
System.out.println(Thread.currentThread().getContextClassLoader().getResource("config.properties"));
properties.load(TestMain.class.getResource("/config.properties").openStream());
} catch (Exception e) {
e.printStackTrace();
}
String version=properties.getProperty("version");
System.out.println(version);
for(Map.Entry<Object,Object> entry:properties.entrySet())
{
Object key=entry.getKey();
Object value=entry.getValue();
System.out.println(key+"="+value);
}
}
}
[java] view plaincopy
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"));
}
}
