问题描述:将指定目录下的批量的.html静态页面转换成.jsp文件。
思路描述:.html装换成.jsp需要加上两行文件(可以根据需要自行添加),本文中将加入以下两行头文件,并将其保存到head.txt
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
代码如下:
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
public class HtmlTransJspUtils {
public static void main(String[] args) throws Exception {
//
File f = new File("指定的目录文件夹");
for(File s : f.listFiles()){
String str = s.getAbsolutePath();
if(str.endsWith(".html")){
writeFile(str);
fileRename(str);
}
}
}
/**
* 读取指定文件下的内容,乱码问题已经处理,编码为UTF-8
*
* @param fileName
* @return
* @throws Exception
*/
public static String readFile(String fileName) throws Exception {
String result = "";
InputStreamReader inputStreamReader = null;
BufferedReader bufferedReader = null;
try {
inputStreamReader = new InputStreamReader(new FileInputStream(
fileName), "utf-8");
bufferedReader = new BufferedReader(inputStreamReader);
try {
String read = null;
while ((read = bufferedReader.readLine()) != null) {
result = result + read + "\r\n";
}
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (bufferedReader != null) {
bufferedReader.close();
}
if (inputStreamReader != null) {
inputStreamReader.close();
}
}
System.out.println("读取出来的文件内容是:" + "\r\n" + result);
return result;
}
/**
* 文件的写入
*
* @param fileName
* @throws Exception
*/
public static void writeFile(String fileName) throws Exception {
try {
String oldContent = readFile(fileName);
FileOutputStream fo = new FileOutputStream(fileName);
//读取头文件的内容
fo.write(readFile("F:/head.txt").getBytes("utf-8"));
fo.write(oldContent.getBytes("utf-8"));
fo.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
/**
* 修改文件的后缀名,即html变成jsp
* @param fileName
*/
public static void fileRename(String fileName) {
File oldFile = new File(fileName);
System.out.println("修改前文件名称是:" + oldFile.getName());
String rootPath = oldFile.getParent();
System.out.println("根路径是:" + rootPath);
File newFile = new File(rootPath , oldFile.getName().replace("html", "jsp"));
System.out.println("修改后文件名称是:" + newFile.getName());
if (oldFile.renameTo(newFile)) {
System.out.println("修改成功!");
} else {
System.out.println("修改失败");
}
}
}
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