保存内容

Question

我想从链接获取XML文件像

http://api.worldbank.org/countries/GBR/indicators/NY.GDP.MKTP.KD.ZG?date=2004:2012

它返回一个XML文件，我不知道如何将这个文件保存我的文件夹名为“临时“使用java或javascripts，实际上我不想显示这个链接的结果给用户，我动态地生成这样的链接。

请帮忙!!!

Answer 1

我建议你在这种情况下使用像jsoup这样的HTML解析器库。请看下面的步骤以获得更好的信誉：

1. Download jsoup core library (jsoup-1.6.1.jar) from http://jsoup.org/download 
2. Add the jsoup-1.6.1.jar file to your classpath. 
3. Try the below code to save the xml file from the URL. 

package com.overflow.stack; 

import java.io.BufferedWriter; 
import java.io.FileWriter; 
import java.io.IOException; 
import org.jsoup.Jsoup; 
import org.jsoup.nodes.Document; 

/** 
* 
* @author sarath_sivan 
*/ 
public class XmlExtractor { 

    public static StringBuilder fetchXmlContent(String url) throws IOException { 
     StringBuilder xmlContent = new StringBuilder(); 
     Document document = Jsoup.connect(url).get(); 
     xmlContent.append(document.body().html()); 
     return xmlContent; 
    } 

    public static void saveXmlFile(StringBuilder xmlContent, String saveLocation) throws IOException { 
     FileWriter fileWriter = new FileWriter(saveLocation); 
     BufferedWriter bufferedWriter = new BufferedWriter(fileWriter); 
     bufferedWriter.write(xmlContent.toString()); 
     bufferedWriter.close(); 
     System.out.println("Downloading completed successfully..!"); 
    } 

    public static void downloadXml() throws IOException { 
     String url = "http://api.worldbank.org/countries/GBR/indicators/NY.GDP.MKTP.KD.ZG?date=2004:2012"; 
     String saveLocation = System.getProperty("java.io.tmpdir")+"sarath.xml"; 
     XmlExtractor.saveXmlFile(XmlExtractor.fetchXmlContent(url), saveLocation); 
    } 

    public static void main(String[] args) throws IOException { 
     XmlExtractor.downloadXml(); 
    } 

} 

4. Once the above code is executed successfully, a file named "sarath.xml" should be there in your temp folder. 

谢谢！

Answer 2

那么你的身体是XML而不是HTML，只需使用Apache HttpClient检索它，并将读取的InputStream泵入FileOutputStream。有什么问题？您是否想以格式化的形式保存解析的内容？

Answer 3

public String execute() { 
     try { 
      String url = "http://api.worldbank.org/countries/GBR/indicators/NY.GDP.MKTP.KD.ZG?date=2004:2012"; 
      String saveLocation = System.getProperty("java.io.tmpdir")+"sarath.xml"; 
      XmlExtractor.saveXmlFile(XmlExtractor.fetchXmlContent(url), saveLocation); 
     } catch (Exception e) { 
      e.printStackTrace(); 
      addActionError(e.getMessage()); 
     } 
     return SUCCESS; 
    }