package com.nova.sankuai.infra.utils.baofu;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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/**
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* @Author：CHQ
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* @Description： 文件相关操作 上传、删除
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* @Date: Created in 2018/6/5 18:56
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* @Modified by:
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*/
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public class FileUtils {
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/**
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* 删除文件
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*
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* @param path 路径
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* @param filename 文件名
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* @return
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*/
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public static boolean fileDel(String path, String filename) {
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boolean flag = false;
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try {
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File fileTemp = new File(path + filename);
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if (fileTemp.exists()) {
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fileTemp.delete();
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flag = true;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return flag;
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}
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public static boolean fileDel(String FilePathName) {
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boolean flag = false;
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try {
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File fileTemp = new File(FilePathName);
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if (fileTemp.exists()) {
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fileTemp.delete();
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flag = true;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return flag;
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}
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/**
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* 读取文件 返回byte[]
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*
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* @param filePath
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* @return
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* @throws IOException
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*/
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public static byte[] getContent(String filePath) throws IOException {
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File file = new File(filePath);
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long fileSize = file.length();
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if (fileSize > Integer.MAX_VALUE) {
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System.out.println("file too big...");
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return null;
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}
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FileInputStream fi = new FileInputStream(file);
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byte[] buffer = new byte[(int) fileSize];
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int offset = 0;
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int numRead = 0;
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while (offset < buffer.length
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&& (numRead = fi.read(buffer, offset, buffer.length - offset)) >= 0) {
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offset += numRead;
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}
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// 确保所有数据均被读取
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if (offset != buffer.length) {
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throw new IOException("Could not completely read file "
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+ file.getName());
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}
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fi.close();
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return buffer;
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}
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public static boolean fileIsexist(String path) {
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File file = new File(path);
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if (file.exists()) {
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return true;
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}
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return false;
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}
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}
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