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如果使用maven,加入依赖
<!-- https://mvnrepository.com/artifact/commons-configuration/commons-configuration -->
<dependency>
<groupId>commons-configuration</groupId>
<artifactId>commons-configuration</artifactId>
<version>1.10</version>
</dependency>
若是手动下载：
https://download.csdn.net/download/capmiachael/10591567
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
public class UpdateConfig {
public static void main(String[] args) throws ConfigurationException {
PropertiesConfiguration config = new PropertiesConfiguration("/Documents/userConfig.properties");
config.setProperty("userName", "admin");
config.setProperty("password", "12345");
config.save();
System.out.println("配置文件更新成功");
}
}