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java读写Properties文件

2024-07-11 00:49:30   222人阅读

 

 
 

 

 
 
 
 
Java
 
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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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