[英]How should a file: URI corresponding to a Windows path name look like?
I am trying to load a MySQL jar dynamically in code but I am unsure about the format of the Windows path name. 我正在尝试在代码中动态加载MySQL jar,但是我不确定Windows路径名的格式。 Is what I am using below correct, for loading a .jar from a thumbdrive?
我下面使用的是正确的,用于从thumbdrive加载.jar吗?
URL u = new URL("jar:file:G:/mysql-connector-java-5.1.15.jar!/");
URLClassLoader ucl = new URLClassLoader(new URL[] { u });
Now, this is not the same as the traditional path that you see in Java tutorials: 现在,这与您在Java教程中看到的传统路径不同:
URL url = new URL("file:/g:/mysql-connector-java-5.1.15.jar");
For the answer, I am looking for clarification; 对于答案,我正在寻求澄清。 I guess I am just confused by the "jar:file:" thing and also the "!"
我想我对“ jar:file:”和“!”感到困惑。 at the end.
在末尾。
Using toURI()
method on the File
object should do the trick: 在
File
对象上使用toURI()
方法应该可以解决问题:
final URL u = new File("g:/something.jar").toURI().toURL();
URLClassLoader ucl = new URLClassLoader(new URL[] { u });
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