硬件检测之磁盘信息_v1.0.0

快来打我* 2022-10-16 06:25 163阅读 0赞

v1.0.0

# 效果 #

![在这里插入图片描述][20210527161816465.png]

剩余总大小：980.03469085693359375GB
    硬盘总大小：1155.080066680908203125GB

# 代码 #

## 引入依赖 ##

<oshi.version>3.9.1</oshi.version>
    			... ...
    			<dependency>
                    <groupId>com.github.oshi</groupId>
                    <artifactId>oshi-core</artifactId>
                    <version>${oshi.version}</version>
                </dependency>

## 逻辑 ##

*  Disk.java

import lombok.Data;
    
    import java.math.BigDecimal;
    
    /** * 功能：磁盘 * * @author: cc * @qq: 8416837 * @date: 2021/5/27 16:22 */
    @Data
    public class Disk { 
        /** * 剩余空间 */
        private BigDecimal free;
        private BigDecimal total;
        private BigDecimal used;
        private String remain;
        /** * 使用的百分比 */
        private String usedPercent;
    
    }

*  Hardware.java

import com.baomidou.mybatisplus.core.toolkit.StringPool;
    import oshi.SystemInfo;
    import oshi.software.os.FileSystem;
    import oshi.software.os.OSFileStore;
    import oshi.software.os.OperatingSystem;
    
    import java.math.BigDecimal;
    
    /** * 功能：硬件检测 * * @author: cc * @qq: 8416837 * @date: 2021/5/27 16:23 */
    public class Hardware{ 
    
        /** * 功能描述: 获取硬件之磁盘 * @param: [] * @return: com.cc.common.utils.Disk * @qq: 8416837 * @author: cc * @date: 2021/5/27 */
        public static Disk getDiskInfo() { 
           
            // 初始化
            Disk disk = new Disk();
            BigDecimal total = new BigDecimal("0");
            BigDecimal free = new BigDecimal("0");
            BigDecimal used;
            String remain = "0%";
            String usedPercent = "0%";
    
            // 系统信息
            SystemInfo si = new SystemInfo();
            OperatingSystem os = si.getOperatingSystem();
            FileSystem fileSystem = os.getFileSystem();
    
            OSFileStore[] fsArray = fileSystem.getFileStores();
            for (OSFileStore fs : fsArray) { 
                total = total.add(new BigDecimal(fs.getTotalSpace()));
                free = free.add(new BigDecimal(fs.getUsableSpace())); // 可用
            }
    
            used = total.subtract(free);
    
            String freeGB = transBit2GB(free);
            String totalGB = transBit2GB(total);
    
            System.out.println(String.format("剩余总大小：%s", freeGB));
            System.out.println(String.format("硬盘总大小：%s", totalGB));
    
            boolean dividendIsNotZero = total.compareTo(new BigDecimal("0")) != 0; // 除数不为0
    
            if (dividendIsNotZero) { 
                Float remainFloat = Float.valueOf(free.divide(new BigDecimal(1073741824F)) + StringPool.EMPTY) /
                        Float.valueOf(total.divide(new BigDecimal(1073741824F)) + StringPool.EMPTY);
                remain = remainFloat * 100 + StringPool.PERCENT;
                usedPercent = (1F - remainFloat) * 100 + StringPool.PERCENT;
    // remain = (free.divide(total) ).multiply(new BigDecimal(100F)) + StringPool.PERCENT;
            }
    
            disk.setTotal(total);
            disk.setFree(free);
            disk.setUsed(used);
            disk.setRemain(remain);
            disk.setUsedPercent(usedPercent);
    
            return disk;
        }
    
        /** * 功能描述: 位转GB * @param: [size：位数值] * @return: java.lang.String * @qq: 8416837 * @author: cc * @date: 2021/5/27 */
        private static String transBit2GB(BigDecimal size) { 
            
            return size.divide(new BigDecimal(1073741824F)) + "GB";
        }
    
        public static void main(String[] args) { 
            // 测试磁盘工具
            getDiskInfo();
        }
    }

[20210527161816465.png]: /images/20221014/75e3e13c02794f63ad8156bad20fa424.png