第一种方式使用原来导出的方式
第二种方式使用maven 打包
如果出现报错非法字符:65279 错误
是因为报错的文件的格式是UTF-8 BOM 需要转为UTF-8
通过工具类进行批量转换
package com.td.utils; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PushbackInputStream; import java.io.Reader; import java.util.ArrayList; import java.util.List; /** * utf-8有bom 批量转为 utf-8无bom 文件格式 */ public class UTF8BOMConverter extends Reader { private static final int BOM_SIZE = 4; PushbackInputStream internalIn;//回退流对象 InputStreamReader internalIn2 = null; String defaultEnc;//格式 /** * @param in inputstream to be read * @param defaultEnc default encoding if stream does not have * BOM marker. Give NULL to use system-level default. */ UTF8BOMConverter(InputStream in, String defaultEnc) { internalIn = new PushbackInputStream(in, BOM_SIZE); this.defaultEnc = defaultEnc; } private static void readContentAndSaveWithEncoding(String filePath, String readEncoding, String saveEncoding) throws Exception { saveContent(filePath, readContent(filePath, readEncoding), saveEncoding); } private static void saveContent(String filePath, String content, String encoding) throws Exception { FileOutputStream fos = new FileOutputStream(filePath); OutputStreamWriter w = new OutputStreamWriter(fos, encoding); w.write(content); w.flush(); } private static String readContent(String filePath, String encoding) throws Exception { FileInputStream file = new FileInputStream(new File(filePath)); BufferedReader br = new BufferedReader(new UTF8BOMConverter(file, encoding)); String line = null; String fileContent = ""; while ((line = br.readLine()) != null) { fileContent = fileContent + line; fileContent += " "; } return fileContent; } private static List<String> getPerlineFileName(String filePath) throws Exception { FileInputStream file = new FileInputStream(new File(filePath)); BufferedReader br = new BufferedReader(new InputStreamReader(file, "UTF-8")); String line = null; List<String> list = new ArrayList<String>(); while ((line = br.readLine()) != null) { list.add(line); } return list; } /** * 获取某个目录下所有的文件路径 * 使用递归 * @param filePath * @param filePaths * @return */ private static List<String> getAllFilePaths(File filePath, List<String> filePaths) { File[] files = filePath.listFiles(); if (files == null) { return filePaths; } for (File f : files) { if (f.isDirectory()) { filePaths.add(f.getPath()); getAllFilePaths(f, filePaths); } else { filePaths.add(f.getPath()); } } return filePaths; } public static void main(String[] args) throws Exception { String suffix = ".java"; List<String> paths = new ArrayList<String>(); paths = getAllFilePaths(new File("D:\14b\mavenTderp\src\main\java\com\td\model"), paths); List<String> pathList = new ArrayList<String>(); for (String path : paths) { if (path.endsWith(suffix)) { pathList.add(path); } } for (String path : pathList) { readContentAndSaveWithEncoding(path, "UTF-8", "UTF-8"); System.out.println(path + "转换成功"); } } public String getDefaultEncoding() { return defaultEnc; } /** * Get stream encoding or NULL if stream is uninitialized. * Call init() or read() method to initialize it. */ public String getEncoding() { if (internalIn2 == null) return null; return internalIn2.getEncoding(); } /** * Read-ahead four bytes and check for BOM marks. Extra bytes are * unread back to the stream, only BOM bytes are skipped. */ protected void init() throws IOException { if (internalIn2 != null) return; String encoding; byte bom[] = new byte[BOM_SIZE]; int n, unread; n = internalIn.read(bom, 0, bom.length); if ((bom[0] == (byte) 0x00) && (bom[1] == (byte) 0x00) && (bom[2] == (byte) 0xFE) && (bom[3] == (byte) 0xFF)) { encoding = "UTF-32BE"; unread = n - 4; } else if ((bom[0] == (byte) 0xFF) && (bom[1] == (byte) 0xFE) && (bom[2] == (byte) 0x00) && (bom[3] == (byte) 0x00)) { encoding = "UTF-32LE"; unread = n - 4; } else if ((bom[0] == (byte) 0xEF) && (bom[1] == (byte) 0xBB) && (bom[2] == (byte) 0xBF)) { encoding = "UTF-8"; unread = n - 3; } else if ((bom[0] == (byte) 0xFE) && (bom[1] == (byte) 0xFF)) { encoding = "UTF-16BE"; unread = n - 2; } else if ((bom[0] == (byte) 0xFF) && (bom[1] == (byte) 0xFE)) { encoding = "UTF-16LE"; unread = n - 2; } else { // Unicode BOM mark not found, unread all bytes encoding = defaultEnc; unread = n; } //System.out.println("read=" + n + ", unread=" + unread); if (unread > 0) internalIn.unread(bom, (n - unread), unread); // Use given encoding if (encoding == null) { internalIn2 = new InputStreamReader(internalIn); } else { internalIn2 = new InputStreamReader(internalIn, encoding); } } public void close() throws IOException { init(); internalIn2.close(); } public int read(char[] cbuf, int off, int len) throws IOException { init(); return internalIn2.read(cbuf, off, len); } }