java文件工具类 .zip

package com.bjpowernode.utils; import java.util.UUID; public class FileNameUtil { //根据UUID生成文件名 public static String getUUIDFileName() { UUID uuid = UUID.randomUUID(); return uuid.toString().replace("-", ""); } //从请求头中提取文件名和类型 public static String getRealFileName(String context) { // Content-Disposition: form-data; name="myfile"; filename="a_left.jpg" int index = context.lastIndexOf("="); String filename = context.substring(index + 2, context.length() - 1); return filename; } //根据给定的文件名和后缀截取文件名 public static String getFileType(String fileName){ //9527s.jpg int index = fileName.lastIndexOf("."); return fileName.substring(index); } }