网页版批量文件重命名

Posted 2020-08-09 GreatAnt

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功能：这是一个网页版的文件批量重命名

操作步骤：

输入文件所在的绝对路径，

输入你想要替换的关键字，

输入你想要用什么字符来替换他（可为空），

点击确定，文件将会批量被重命名，

点击撤回就会还原出起初的文件名字，

点击清空主要是一键清除文本框里面的内容。

总的有1个jsp，四个Java程序共同完成这个功能：

　　start.jsp(显示界面)

　　CodeFilter.java(过滤器，主要负责编码)

　　ReceiveStartServlet.java(接受启动，进行文件操作)

　　RevokeServlet.java(撤回操作Servlet)

　　ClearServlet.java(清空操作)

未操作前图：

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运行start.js的效果图：

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运行后文件显示图：

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start.jsp代码：

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script>
    window.onload=function(){    
        var oBtn1=document.getElementById(‘btn1‘);
        var oBtn2=document.getElementById(‘btn2‘); 
        var aInput=document.getElementsByTagName(‘input‘);
        var s="";
        if(s==aInput[0].value){
        if(<%=session.getAttribute("startPath")%>==null){    
        }else{
            aInput[0].value=‘<%=session.getAttribute("startPath")%>‘;
        }
            
        }else{
            alert("youzhi");
        }
         if(s!=aInput[1].value){
            aInput[1].value=‘<%=session.getAttribute("keyWords")%>‘;    
        } 
        if(s!=aInput[2].value){
            aInput[2].value=‘<%=session.getAttribute("replaceWords")%>
    ‘;
        }
        oBtn1.onclick = function() {
            self.location.href = ‘../RevokeServlet‘;
        }
        oBtn2.onclick = function() {
            self.location.href = ‘../ClearServlet‘;
        }
    }
</script>
<style>
body {
    background: RGBA(38, 38, 38, 1);
    font-size: 30px;
    font-family: 楷体;
    color: red;
}

div {
    height: 400px;
    width: 600px;
    border: 10px solid green;
    margin: 80px auto;
    text-align: center;
    border-radius: 35px 35px 35px 35px;
    padding-top: 45px;
}

p {
    font-size: 35px;
}

input {
    width: 60%;
    height: 20%;
}

.btn {
    width: 50px;
}
</style>
</head>
<body>
    <div>
        <form action="../ReceiveStartServlet" method="post">
            输入源路径:<input type="text" name="startPath"><br> 输入关键字:<input
                type="text" name="keyWords" /><br> 输入代替字:<input type="text"
                name="replaceWords" /><br> <input class="btn" type="submit"
                value="确认" /> <input id="btn1" class="btn" type="button" value="撤回" />
            <input id="btn2" class="btn" type="button" value="清空" /><br>
        </form>
    </div>
</body>
</html>

ReceiveStartServlet.java

package com.hputt;

import java.io.File;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.ws.Response;

/**
 * Servlet implementation class ReceiveStartServlet
 */
public class ReceiveStartServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
    private static String[] test;
    public static String[] test1;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public ReceiveStartServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
     *      response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // TODO Auto-generated method stub
        doPost(request, response);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
     *      response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // TODO Auto-generated method stub
        System.out.println("进入doPost");
        String startPath = request.getParameter("startPath");
        String keyWords = request.getParameter("keyWords");
        String replaceWords = request.getParameter("replaceWords");
        
        request.getSession().setAttribute("startPath", startPath);    
        request.getSession().setAttribute("keyWords", keyWords);
        request.getSession().setAttribute("replaceWords", replaceWords);
        try {
            sure(startPath, keyWords, replaceWords,response);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public static void sure(String s1, String s2, String s3,HttpServletResponse response) throws Exception {
        File file = new File(s1);
        test = file.list();
        test1 = new String[test.length];
        for (int i = 0; i < test.length; i++) {
            test1[i] = test[i];
        }
        // 遍历文件的名字
        for (int i = 0; i < test.length; i++) {
            // 判断是不是有你想去除的关键字
            if (test[i].indexOf(s2) != -1) {
                // 保存重命名后的文件名
                test[i] = test[i].replace(s2, s3);
            }
        }

        File[] files = file.listFiles();
        for (int i = 0; i < test.length;) {
            for (File f : files) {
                if (f.isFile()) {
                    // 循环赋重命名后的名字
                    f.renameTo(new File(s1 + "/" + test[i++]));
                }
            }
        }    
        response.sendRedirect("start/start.jsp");
    }
}

RevokeServlet.java

package com.hputt;

import java.io.File;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class RevokeServlet
 */
public class RevokeServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
    private static String[] test = ReceiveStartServlet.test1;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public RevokeServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // TODO Auto-generated method stub
        doPost(request, response);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
     *      response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // TODO Auto-generated method stub
        String startPath = (String)request.getSession().getAttribute("startPath");
        try {
            revoke(startPath,response);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    public static void revoke(String s1, HttpServletResponse response) throws Exception {
        // 重新赋回原来的名字
        File file = new File(s1);
        File[] files = file.listFiles();
        for (int i = 0; i < test.length;) {
            for (File f : files) {
                if (f.isFile()) {
                    // 注意是test1
                    f.renameTo(new File(s1 + "/" + test[i++]));
                }
            }
        }
        response.sendRedirect("start/start.jsp");
    }
}

ClearServlet.java

package com.hputt;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class ClearServlet
 */
public class ClearServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ClearServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doPost(request, response);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        request.getSession().removeAttribute("startPath");
        request.getSession().removeAttribute("keyWords");
        request.getSession().removeAttribute("replaceWords");
        response.sendRedirect("start/start.jsp");
    }

}

CodeFilter.java

package com.hputt.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

/**
 * Servlet Filter implementation class CodeFilter
 */
public class CodeFilter implements Filter {

    /**
     * Default constructor.
     */
    public CodeFilter() {
        // TODO Auto-generated constructor stub
    }

    /**
     * @see Filter#destroy()
     */
    public void destroy() {
        // TODO Auto-generated method stub
    }

    /**
     * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
     */
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        // TODO Auto-generated method stub
        // place your code here
        HttpServletRequest req = (HttpServletRequest) request;
        if ("post".equalsIgnoreCase(req.getMethod())) {
            req.setCharacterEncoding("utf-8");
        }
        // pass the request along the filter chain
        chain.doFilter(request, response);
    }

    /**
     * @see Filter#init(FilterConfig)
     */
    public void init(FilterConfig fConfig) throws ServletException {
        // TODO Auto-generated method stub
    }

}

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