您好 我是菜鸟 刚路过

[duqiu155]

怎样用Java实现 输入一URL显示返回的HTML内容的JAR

[浴火_凤凰]

建议还是去java区问吧

[gray820928]

这问题应该去java区问吧

[sd5816690]

[Quote=引用 1 楼 gray820928 的回复:]
这问题应该去java区问吧
[/Quote]
同意！！！

但是我刚好有这个代码，还是发上来
将http://www.sina.com/的HTML保存到c:\\shengchengdeHTML.html

import java.net.*;
import java.io.*;
import java.util.regex.Pattern;

public class CreateHTML {
    public static void main(String[] args) {
    	CreateHTML uc = new CreateHTML();
        uc.creatHTML("http://www.sina.com/", "c:\\shengchengdeHTML.html");
    }

    public void creatHTML(String webURL, String local) {
    	//new File(local);
        FileWriter fw = null;
        BufferedWriter bw = null;
        try {
            fw = new FileWriter(local);
            bw = new BufferedWriter(fw);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        StringBuffer document = new StringBuffer();
        try {
            URL url = new URL(webURL);
            URLConnection conn = url.openConnection();
            BufferedReader reader = new BufferedReader(new InputStreamReader(
                    conn.getInputStream()));
            String line = null;
            while ((line = reader.readLine()) != null)
                document.append(line + " ");
            reader.close();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        //System.out.println(document.toString());
        String strTemp = document.toString();
        String temp = null;
        int j = 0;
        for (int i = 0; i < strTemp.length(); i++) {
            if (i<strTemp.length()&&strTemp.charAt(i) == '>') {
                j = i;
                i++;
                if (i > strTemp.length() - 2) {
                    temp = strTemp;
                    addLine(temp, bw);
                    break;
                }
                while (Pattern.compile("\\s{1}").matcher("" + strTemp.charAt(i)).find()) { //跳过空格
                    i++;
                }
                if (i<strTemp.length()&&strTemp.charAt(i) == '<') {
                    temp = strTemp.substring(0, i);
                    strTemp = strTemp.substring(i, strTemp.length());
                    addLine(temp, bw);
                    i = 0;
                } else {
                    i = j;
                }
            }

            if (strTemp.substring(0, 6).equalsIgnoreCase("<style")){
                while(true){
                    if (strTemp.charAt(i) == '}') {
                        temp = strTemp.substring(0, i + 1);
                        strTemp = strTemp.substring(i + 1, strTemp.length());
                        addLine(temp, bw);
                        i = 0;
                    }
                    if(strTemp.substring(i,i+8).equalsIgnoreCase("</style>")){
                        break;
                    }
                    i++;
                }
                i=0;
            }

            if (strTemp.substring(0, 7).equalsIgnoreCase("<script")){
                while(true){
                    if (strTemp.charAt(i) == '{'||strTemp.charAt(i) == '}'||strTemp.charAt(i) == ';') {
                        temp = strTemp.substring(0, i + 1);
                        strTemp = strTemp.substring(i + 1, strTemp.length());
                        addLine(temp, bw);
                        i = -1;
                    }
                    i++;
                    if(i>=strTemp.length()-9){
                        break;
                    }
                    if(strTemp.substring(i,i+9).equalsIgnoreCase("</script>")){
                        temp = strTemp.substring(0, i);
                        strTemp = strTemp.substring(i, strTemp.length());
                        addLine(temp, bw);
                        i = 0;
                        break;
                    }
                }
            }
        }
        //将上面步骤忽略的代码加入HTML页面
        while(Pattern.compile("\\s{1}").matcher("" + strTemp.charAt(0)).find()){//去掉首空格、\t等
            strTemp=strTemp.substring(1);
        }
        if(strTemp.toLowerCase().indexOf("</html>")>0){//去掉首空格等后，如果不以</html>开头，则表示上面的步骤，没有完成了所有代码的格式化。这种情况需要将剩余代码加进HTML中
            addLine(strTemp, bw);
        }
        try {
            bw.flush();
            bw.close();
            fw.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private void addLine(String strLine, BufferedWriter bw) {
        try {
            bw.write(strLine);
            bw.newLine();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}