java读写Properties文件
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import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;
public class Main {
public static void main(String[] args) {
Properties property = new Properties();
try {
File file = new File("c:/db.properties");
if (!file.exists()) {
file.createNewFile();
}
// 写入
property.setProperty("database", "localhost");
property.setProperty("user", "javaniu");
property.setProperty("password", "password");
property.store(new FileOutputStream(file), null);
property.load(new FileInputStream(file));
// 读取
System.out.println(property.getProperty("database"));
System.out.println(property.getProperty("user"));
System.out.println(property.getProperty("password"));
} catch (IOException e) {
e.printStackTrace();
}
}
}
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