first commit

2026-02-19 03:37:37 +08:00
commit ccfd8c79a4
2813 changed files with 453657 additions and 0 deletions
--- a/comm/DB/src/db/util/FileUtil.java
+++ b/comm/DB/src/db/util/FileUtil.java
@@ -0,0 +1,150 @@
+package db.util;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.text.DecimalFormat;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class FileUtil {
+
+    /**	
+     * Member Description
+     */
+	private static Logger logger = LogManager.getLogger(FileUtil.class); 
+
+    /**	.
+     * 文件字符集
+     */
+    private static final String CHARSET_NAME = "UTF-8";
+
+    /**	
+     * <p>Description: 将内容写入指定文件            </p>
+     * <p>Create Time:  </p>
+     * @param fileContent   内容
+     * @param filePath      文件路径
+     */
+    public static void string2File(String fileContent, String filePath) {
+        FileOutputStream fos = null;
+        try {
+            File outFile = new File(filePath);
+            if (!outFile.exists()) {
+                outFile.createNewFile();
+            }
+            fos = new FileOutputStream(outFile);
+            fos.write(fileContent.getBytes(CHARSET_NAME), 0, fileContent.getBytes(CHARSET_NAME).length);
+        } catch (Exception e) {
+        	logger.error("The string2File[" + filePath + "] ERROR", e);
+        } finally {
+            IOUtil.closeQuietly(fos);
+        }
+    }
+
+    /**	
+     * 读取文件
+     * @param ins 文件流
+     * @return  文件内容
+     * @throws Exception 异常
+     */
+    public static String readStringAndClose(InputStream ins) throws Exception {
+        StringBuilder buf = new StringBuilder();
+        BufferedReader br = new BufferedReader(new InputStreamReader(ins, "UTF-8"));
+        String lineStr = null;
+        while ((lineStr = br.readLine()) != null) {
+            buf.append(lineStr).append("\n");
+        }
+        if (br != null) {
+            br.close();
+        }
+        if (ins != null) {
+            ins.close();
+        }
+        return buf.toString();
+    }
+
+    /**
+     * 删除目录下的文件
+     * @param path 目录名
+     * @param isDeleteSelf 是否删除目录自身
+     */
+    public static void deleteDir(String path, boolean isDeleteSelf) {
+        File dir = new File(path);
+        // 检查参数
+        if (dir == null || !dir.exists() || !dir.isDirectory()) {
+            return;
+        }
+        for (File file : dir.listFiles()) {
+            if (file.isFile()) {
+                // 删除所有文件
+                file.delete();
+            }
+            else if (file.isDirectory()) {
+                // 递规的方式删除文件夹
+                deleteDir(file.getPath(), true);
+            }
+        }
+
+        // 删除目录本身
+        if (isDeleteSelf) {
+            dir.delete();
+        }
+    }
+
+    /**	
+     * 获取文件大小
+     * @param filePath  文件路径
+     * @return  文件大小
+     * @throws FileNotFoundException 文件不存在
+     */
+    public static long getFileSize(String filePath) throws FileNotFoundException {
+        File file = new File(filePath);
+        long size = 0;
+        if (file.exists()) {
+            FileInputStream fis = null;
+            try {
+                fis = new FileInputStream(file);
+                size = fis.available();
+            } catch (Exception e) {
+            } finally {
+                IOUtil.closeQuietly(fis);
+            }
+        } else {
+            throw new FileNotFoundException();
+        }
+        return size;
+    }
+
+    /**	
+     * 转换文件大小格式
+     * @param fileSize  文件大小
+     * @param df    格式
+     * @return 文件大小格式
+     */
+    public static String formetFileSize(long fileSize, DecimalFormat df) {
+        if (df == null) {
+            df = new DecimalFormat("#.000");
+        }
+        String result = "";
+        if (fileSize < 1024) {
+            result = df.format((double) fileSize) + "B";
+        }
+        else if (fileSize < 1048576) { // 1024*1024
+            result = df.format((double) fileSize / 1024) + "K";
+        }
+        else if (fileSize < 1073741824) { // 1024*1024*1024
+            result = df.format((double) fileSize / 1048576) + "M";
+        }
+        else { // 1024*1024*1024*1024
+            result = df.format((double) fileSize / 1073741824) + "G";
+        }
+
+        return result;
+    }
+
+}