java生成html页面

package com....;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.alibaba.fastjson.JSONObject;

public class HtlmInfo {
    
    private static String filePath = "D:\\eclipse-workspace\\ac-product-net\\WebRoot\\item\\table.html";//模板地址
    private static String disrPath = "D:\\eclipse-workspace\\ac-product-net\\WebRoot\\item\\";//生成路径
    private static String fileName = ".html";
    
    //json为填充页面数据
    public static void MakeHtml(JSONObject json){
        try {
        String templateContent = "";
        FileInputStream fileinputstream = new FileInputStream(filePath);// 读取模板文件
        int lenght = fileinputstream.available();
        byte bytes[] = new byte[lenght];
        fileinputstream.read(bytes);
        fileinputstream.close();
        templateContent = new String(bytes);
        String title = json.getString("title");
        String publishtime = json.getString("publish_time");
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy 年 MM 月 dd 日 ");
        String publish_time= sdf.format(new Date(Long.parseLong(String.valueOf(publishtime))));
        System.out.println("时间转换：" + publish_time+"\n");
      //把模板页面上的 ###text### 替换成 title 里的内容
        templateContent = templateContent.replaceAll("###title###", title);
        templateContent = templateContent.replaceAll("###publish_time###", publish_time);
//        System.out.print(templateContent);
        String fileame = title+fileName;
        fileame = disrPath + fileame;// 生成的html文件保存路径。
        FileOutputStream fileoutputstream = new FileOutputStream(fileame);// 建立文件输出流
        System.out.print("文件输出路径:");
        System.out.print(fileame);
        byte tag_bytes[] = templateContent.getBytes();
        fileoutputstream.write(tag_bytes);
        fileoutputstream.close();
        } catch (Exception e) {
        System.out.print(e.toString());
        }
    }
    
}