Java 实现文件批量重命名亲测可用（精简版）

package com.cmge.utils;

import java.io.*;
import java.util.*;
import java.util.Map.Entry;

import com.cmge.db.EpDB;
import com.cmge.db.SysEmployeeDB;

public class RenameImg {

EpDB db = new EpDB();

private Map<String, String> map;

public RenameImg() {
this.map = new HashMap<String, String>();
}

public Map<String, String> getMap() {
return map;
}

// 添加新的替换规则(字符串替换)
public RenameImg addRegulation(String oldStr, String newStr) {
this.map.put(oldStr, newStr);
return this;
}

/**
* 批量重命名
* 
* @param path
* @param replacementChain
*/
public void multiRename(String path, RenameImg replacementChain) {
File file = new File(path);
boolean isDirectory = file.isDirectory();
/** 如果不是文件夹，就返回* */
if (!isDirectory) {
System.out.println(path + "不是一个文件夹！");
return;
}
String[] files = file.list();
File f = null;
String filename = "";
String oldFileName = ""; // 之前的名字
/** 循环遍历所有文件* */
for(String fileName : files){
oldFileName = fileName;
Map<String, String> map = replacementChain.getMap();
for (Entry<String, String> entry : map.entrySet()) { 
fileName = fileName.replace(entry.getKey(), entry.getValue());
} 
f = new File(path + "\" + oldFileName); //输出地址和原路径保持一致
f.renameTo(new File(path + "\" + fileName));
}
System.out.println("恭喜，批量重命名成功！");
}

public void Rename(String path) {
File file = new File(path);
boolean isDirectory = file.isDirectory();
/** 如果不是文件夹，就返回* */
if (!isDirectory) {
System.out.println(path + "不是一个文件夹！");
return;
}
String[] files = file.list();
File f = null;
String oldFileName = ""; // 之前的名字
String name="";
String badge="";
/** 循环遍历所有文件* */
for (String fileName : files) {
oldFileName = fileName;
//Map<String, String> map = replacementChain.getMap();
name=oldFileName.substring(0, oldFileName.lastIndexOf("."));
badge=getEmpBadge(oldFileName.substring(0, oldFileName.lastIndexOf(".")));
fileName = fileName.replace(name, badge+"_004");
f = new File(path + "\" + oldFileName); // 输出地址和原路径保持一致
f.renameTo(new File(path + "\" + fileName));
}
System.out.println("恭喜，批量重命名成功！");
}

public void Insert(String path) {
File file = new File(path);
boolean isDirectory = file.isDirectory();
/** 如果不是文件夹，就返回* */
if (!isDirectory) {
System.out.println(path + "不是一个文件夹！");
return;
}
String[] files = file.list();
File f = null;
String sql="";
String badge="";
/** 循环遍历所有文件* */
for (String fileName : files) {
badge=fileName.substring(0, fileName.lastIndexOf(".")).substring(0,5);
sql="insert into lsq_fujian (badge,type,optdate) select '"+badge+"','"+001+"',sysdate from dual ";
System.out.println(sql);
db.updateBySql(sql);
}
System.out.println("恭喜，数据插入成功！");
}

public String getEmpBadge(String name ){

String sql="select badge from tf_employee where name='"+name+"'";
String m= db.getValue(sql);
return m;

}

public static void main(String[] args) {
RenameImg replacementChain = new RenameImg();
//第一步把文件命名规则化
//replacementChain.addRegulation("（", "").addRegulation("）", "");
//replacementChain.multiRename("D:\HR部门资料\HR锐明\人员附件\0简历", replacementChain);
//第二步将文件命名有姓名改为工号_001
//replacementChain.Rename("D:\HR部门资料\HR锐明\人员附件\001身份证");
replacementChain.Insert("D:\HR部门资料\HR锐明\人员附件\001身份证");
}

}