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首页改造,完成cpu,内存,网络图

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This commit is contained in:
648540858
2022-10-20 18:03:40 +08:00
parent 95d367702a
commit 3ffe205082
18 changed files with 711 additions and 758 deletions
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30
src/main/java/com/genersoft/iot/vmp/utils/SystemInfoUtils.java
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@@ -8,6 +8,7 @@ import oshi.hardware.NetworkIF;
import oshi.software.os.OperatingSystem;
import oshi.util.FormatUtil;
import java.text.DecimalFormat;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -62,21 +63,32 @@ public class SystemInfoUtils {
* 获取网络上传和下载
* @return
*/
public static Map<String,String> getNetworkInterfaces() {
public static Map<String,Double> getNetworkInterfaces() {
SystemInfo si = new SystemInfo();
HardwareAbstractionLayer hal = si.getHardware();
List<NetworkIF> networkIFs = hal.getNetworkIFs();
int i= networkIFs.size() -1;
NetworkIF net= networkIFs.get(i);
List<NetworkIF> beforeRecvNetworkIFs = hal.getNetworkIFs();
NetworkIF beforeBet= beforeRecvNetworkIFs.get(beforeRecvNetworkIFs.size() - 1);
long beforeRecv = beforeBet.getBytesRecv();
long beforeSend = beforeBet.getBytesSent();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
List<NetworkIF> afterNetworkIFs = hal.getNetworkIFs();
NetworkIF afterNet = afterNetworkIFs.get(afterNetworkIFs.size() - 1);
String in = FormatUtil.formatBytes(net.getBytesRecv());
String out = FormatUtil.formatBytes(net.getBytesSent());
HashMap<String, String> map = new HashMap<>();
map.put("in",in);
map.put("out",out);
HashMap<String, Double> map = new HashMap<>();
// 速度单位: Mbps
map.put("in",formatUnits(afterNet.getBytesRecv()-beforeRecv, 1048576L));
map.put("out",formatUnits(afterNet.getBytesSent()-beforeSend, 1048576L));
return map;
}
public static double formatUnits(long value, long prefix) {
return (double)value / (double)prefix;
}
/**
* 获取进程数
* @return