我在運行程序時遇到了麻煩，該程序每次運行時都會創建html模板

我正在用java編寫一個程序，該程序每次運行時都會創建一個HTML模板。它讀取由四個標題和段落組成的輸入生物文本文件，每個文件一行。它採用txt並將標題和段落存儲到並行數組中。然後我將數組寫入一個HTML文件。問題是，當我運行它時，沒有輸入到文件中，它也表示讀取器從未關閉。這是我的程序和輸出。謝謝你的任何建議。我在運行程序時遇到了麻煩，該程序每次運行時都會創建html模板

package edu.txstate.cs3320.qwt1; 

import java.util.ArrayList; 
import java.io.BufferedReader; 
import java.io.FileReader; 
import java.io.FileWriter; 
import java.io.IOException; 
import java.io.BufferedWriter; 


public class bio2 { 

    private static final String OUTPUT_FILE = "./iofiles/bio.html"; 
    private static final String INPUT_FILE = "./iofiles/bio.txt"; 
    private static final String TITLE = "My LIfe"; 

    private static BufferedWriter writer = null; 

    private static ArrayList <String> headings = new ArrayList <>(); 
    private static ArrayList <String> paragraphs = new ArrayList <>(); 

    //methods before main 

    private static void initialize (String fileName) { 
     try { 
      writer = new BufferedWriter(new FileWriter(fileName)); 
     }catch(IOException e) { 
      e.printStackTrace(); 
     } 
    } 

    private static void readParagraphs(String inputFileName) { 
     final int numberOfParagraphs = 4; 

     try { 
     BufferedReader reader = new BufferedReader(new FileReader(inputFileName)); 

     for(int i = 0; i<numberOfParagraphs;i++) { 
      String headerLine = reader.readLine(); 
      if(headerLine != null) headings.add(headerLine); 
      String paragraphLine = reader.readLine(); 
      if(paragraphLine != null) paragraphs.add(paragraphLine); 

     } 
     }catch (IOException e) { 
      e.printStackTrace(); 
     } 

    } 
    private static void writeHTML(String anHTMLString) { 

     try { 
      writer.write(anHTMLString); 
      writer.flush(); 
     }catch(IOException e) { 
      e.printStackTrace(); 
     } 
    } 

    private static void writeParagraphs() { 
     for(int i=0; i<headings.size();i++) { 
      writeHTML(HTMLTags.H1_START + headings.get(i)+HTMLTags.H1_END); 
      writeHTML(HTMLTags.PARAGRAPH_START); 
      writeHTML(paragraphs.get(i)); 
      writeHTML(HTMLTags.PARAGRAPH_END); 
     } 
    } 

    private static void writeBio(String title) { 
     writeHTMLOpening(title); 
     writeParagraphs(); 
     writeHTMLClosing(); 
    } 


    private static void writeHTMLOpening(String title) { 
     writeHTML(HTMLTags.HTML_HEADER_START); 
     writeHTML(HTMLTags.TITLE_START + title + HTMLTags.TITLE_END); 
     writeHTML(HTMLTags.HTML_HEADER_END); 
     writeHTML(HTMLTags.BODY_START); 
    } 

    private static void writeHTMLClosing() { 
     writeHTML(HTMLTags.BODY_END); 
     writeHTML(HTMLTags.HTML_END); 
    } 



    public static void main(String[] args) { 
     initialize(OUTPUT_FILE); 
     writeBio(TITLE); 
     readParagraphs(INPUT_FILE); 
     System.out.println("completed"); 

    } 
}

<!DOCTYPE html> 
 
<html> 
 
<head> 
 
<meta charset="ISO-8859-1"> 
 
<title>My LIfe</title><style> 
 
h1 {text-align:center;} 
 
</style> 
 
</head> 
 
<body></body></html>

這裏是我的bio.txt輸入文件

[h1] Who Am I? 
My name is Billy. I am a senior CS major. 
[h1] What are my interests? 
I would like to develop my skillset in software and web development and possibly start a career in it. 
[h1] Why am I taking this class? 
I am taking this class because I'd like to enhance my web development skills. 
[h1] What is my five year plan? 
My five year plan is to graduate with my CS major and earn a great job that I enjoy.

來源

2017-09-12 Quinton Thompson

你是什麼意思的問題是，當我運行它沒有輸入到文件？你的意思是把數組保存（寫入）到一個html文件中，因爲在java中的輸入意味着從文件中讀取並輸出意味着從文件中寫入 – abcOfJavaAndCPP

我建議只使用新的非阻塞I/O文件，路徑和OutputStream，InputStream – abcOfJavaAndCPP

如何使用http://freemarker.org/類模板引擎而不是手動創建HTML。問題雖然沒有給你清楚的理解你的用法。 – dwij

只是一個小校正方法執行順序。您需要先閱讀並初始化您的標題和段落，然後將其寫入html文件。

public static void main(String[] args) { 
    initialize(OUTPUT_FILE); 
    readParagraphs(INPUT_FILE); 
    writeBio(TITLE); 
    System.out.println("completed"); 
}

來源

2017-09-12 01:51:45

謝謝！這個小小的改正正是我所需要的！ –

最好關閉你的'reader'和'writer'。像這樣'try {...} catch（IOException ex）{...} finally {reader.close}'。 – Matt

我在運行程序時遇到了麻煩，該程序每次運行時都會創建html模板

回答

相關問題