From 38f29e38fcc668171dc05c53d40a36b895c86102 Mon Sep 17 00:00:00 2001
From: liusuyi <1951119284@qq.com>
Date: Thu, 10 Oct 2024 13:34:28 +0800
Subject: [PATCH] init
---
ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java | 144 ++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 134 insertions(+), 10 deletions(-)
diff --git a/ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java b/ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java
index 70172c5..24e2b43 100644
--- a/ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java
+++ b/ard-work/src/main/java/com/ruoyi/utils/tools/ArdTool.java
@@ -1,10 +1,10 @@
package com.ruoyi.utils.tools;
-import com.ruoyi.common.core.redis.RedisCache;
import lombok.extern.slf4j.Slf4j;
-import javax.annotation.Resource;
+import java.io.*;
import java.lang.reflect.Field;
+import java.text.DecimalFormat;
import java.time.LocalTime;
import java.util.*;
@@ -21,7 +21,7 @@
/**
* @描述 实体对象转Map
* @参数 [entity]
- * @返回值 java.util.Map<java.lang.String,java.lang.Object>
+ * @返回值 java.util.Map<java.lang.String, java.lang.Object>
* @创建人 刘苏义
* @创建时间 2023/6/2 14:35
* @修改人和其它信息
@@ -40,6 +40,7 @@
}
return map;
}
+
/**
* 求Map<K,V>中最小 Value 对应的Key值
*
@@ -47,13 +48,14 @@
* @return
*/
public static String getKeyByMinValue(Map<String, Double> map) {
- if (map == null) return null;
+ if (map == null || map.size() == 0) return null;
List<Map.Entry<String, Double>> list = new ArrayList(map.entrySet());
Collections.sort(list, (o1, o2) -> (o1.getValue().intValue() - o2.getValue().intValue()));
String min = list.get(0).getKey();
// String max = list.get(list.size() - 1).getKey();
return min;
}
+
/**
* @描述 通过日夜切换时间判断当前使用通道号
* @参数 []
@@ -62,8 +64,7 @@
* @创建时间 2023/6/17 13:50
* @修改人和其它信息
*/
- public static Integer getChannelBydayNightTime(String dayNightTime)
- {
+ public static Integer getChannelBydayNightTime(String dayNightTime) {
try {
// 获取当前时间
LocalTime currentTime = LocalTime.now();
@@ -80,11 +81,134 @@
} else {
return 2;
}
- }
- catch (Exception ex)
- {
- log.error("光电切换获取通道异常："+ex.getMessage());
+ } catch (Exception ex) {
+ log.error("光电切换获取通道异常：" + ex.getMessage());
return 1;
}
}
+
+ /**
+ * 文件大小智能转换
+ * 会将文件大小转换为最大满足单位
+ *
+ * @param size（文件大小，单位为B）
+ * @return 文件大小
+ */
+ public static String formatFileSize(Long size) {
+ String sizeName = null;
+ if (1024 * 1024 > size && size >= 1024) {
+ sizeName = String.format("%.2f", size.doubleValue() / 1024) + "KB";
+ } else if (1024 * 1024 * 1024 > size && size >= 1024 * 1024) {
+ sizeName = String.format("%.2f", size.doubleValue() / (1024 * 1024)) + "MB";
+ } else if (size >= 1024 * 1024 * 1024) {
+ sizeName = String.format("%.2f", size.doubleValue() / (1024 * 1024 * 1024)) + "GB";
+ } else {
+ sizeName = size.toString() + "B";
+ }
+ return sizeName;
+ }
+
+ /**
+ * 文件大小智能转换
+ * 会将文件大小转换为最大满足单位
+ *
+ * @param size（文件大小，单位为B）
+ * @return 文件大小
+ */
+ public static String readableFileSize(long size) {
+ if (size <= 0) {
+ return "0";
+ }
+ final String[] units = new String[]{"B", "KB", "MB", "GB", "TB"};
+ int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
+ return new DecimalFormat("#,###.##").format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
+ }
+
+ /**
+ * byte数组转字符串
+ * 刘苏义
+ * 2023/10/18 8:42:59
+ *
+ * @param byteArray
+ */
+ public static String byteArrayToString(byte[] byteArray) {
+ StringBuilder stringBuilder = new StringBuilder();
+ for (byte b : byteArray) {
+ stringBuilder.append(String.valueOf(b));
+ }
+ return stringBuilder.toString();
+ }
+
+ /**
+ * 将数据写入txt文件
+ * 刘苏义
+ * 2024/3/8 12:58:39
+ */
+ public static void writeStringToFile(String data, String fileName) {
+
+ try {
+ File file = new File(fileName);
+ File parentDir = file.getParentFile();
+ if (!parentDir.exists()) {
+ parentDir.mkdirs(); // 创建文件所在的目录，包括父目录
+ }
+ boolean fileExists = file.exists();
+ boolean dataExists = false;
+ if(fileExists) {
+ // 读取文件内容
+ BufferedReader reader = new BufferedReader(new FileReader(fileName));
+ String line;
+ while ((line = reader.readLine()) != null) {
+ if (line.equals(data)) {
+ dataExists = true;
+ break;
+ }
+ }
+ reader.close();
+ }
+
+ // 如果文件不存在或数据不存在，则追加到文件
+ if (!fileExists || !dataExists) {
+ FileWriter writer = new FileWriter(fileName, true);
+ writer.write(data + System.lineSeparator());
+ writer.close();
+ if (!fileExists) {
+ log.debug("File created and data has been appended.");
+ } else {
+ log.debug("Data has been appended to the file.");
+ }
+ } else {
+ log.debug("Data already exists in the file. Not appending.");
+ }
+ } catch (IOException e) {
+ log.error("An error occurred.");
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * 通过反射对象填充
+ * 刘苏义
+ * 2024/4/2 11:50:57
+ */
+ public static void fillNullFields(Object source, Object target) {
+ if (source == null || target == null) {
+ return;
+ }
+ Field[] fields = source.getClass().getDeclaredFields();
+ for (Field field : fields) {
+ field.setAccessible(true);
+ try {
+ Object sourceValue = field.get(source);
+ Object targetValue = field.get(target);
+ if (targetValue == null && sourceValue != null) {
+ field.set(target, sourceValue);
+ }
+ } catch (IllegalAccessException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+
}
--
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