1，根據(jù)模板生成靜態(tài)頁面

導(dǎo)入依賴：

<dependency>
            <groupId>commons-httpclient</groupId>
            <artifactId>commons-httpclient</artifactId>
            <version>3.1</version>
</dependency>

package com.wjb.util;

import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.apache.log4j.Logger;

import java.io.*;

/**
 * Created by wjb on 2017/5/9.
 */
public class HtmlGenerator {
    private final static Logger logger = Logger.getLogger(HtmlGenerator.class);
    HttpClient httpClient = null; //HttpClient實(shí)例
    GetMethod getMethod = null; //GetMethod實(shí)例
    BufferedWriter fw = null;
    String page = null;
    String webappname = null;
    BufferedReader br = null;
    InputStream in = null;
    StringBuffer sb = null;
    String line = null;

    //構(gòu)造方法
    public HtmlGenerator(String webappname) {
        this.webappname = webappname;

    }

    /**
     * 根據(jù)模版及參數(shù)產(chǎn)生靜態(tài)頁面
     */
    public boolean createHtmlPage(String url, String htmlFileName) {
        boolean status = false;
        int statusCode = 0;
        try {
            //創(chuàng)建一個(gè)HttpClient實(shí)例充當(dāng)模擬瀏覽器
            httpClient = new HttpClient();
            //設(shè)置httpclient讀取內(nèi)容時(shí)使用的字符集
            httpClient.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");
            //創(chuàng)建GET方法的實(shí)例
            getMethod = new GetMethod(url);
            //使用系統(tǒng)提供的默認(rèn)的恢復(fù)策略，在發(fā)生異常時(shí)候?qū)⒆詣?dòng)重試3次
            getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());
            //設(shè)置Get方法提交參數(shù)時(shí)使用的字符集,以支持中文參數(shù)的正常傳遞
            getMethod.addRequestHeader("Content-Type", "text/html;charset=UTF-8");
            //執(zhí)行Get方法并取得返回狀態(tài)碼，200表示正常，其它代碼為異常
            statusCode = httpClient.executeMethod(getMethod);
            if (statusCode != 200) {
                logger.fatal("靜態(tài)頁面引擎在解析" + url + "產(chǎn)生靜態(tài)頁面" + htmlFileName + "時(shí)出錯(cuò)!");
            } else {
                //讀取解析結(jié)果
                sb = new StringBuffer();
                in = getMethod.getResponseBodyAsStream();
                //br = new BufferedReader(new InputStreamReader(in));//此方法默認(rèn)會(huì)亂碼，經(jīng)過長時(shí)期的摸索，下面的方法才可以
                br = new BufferedReader(new InputStreamReader(in, "UTF-8"));
                while ((line = br.readLine()) != null) {
                    sb.append(line + "\n");
                }
                if (br != null) br.close();
                page = sb.toString();
                //將頁面中的相對(duì)路徑替換成絕對(duì)路徑，以確保頁面資源正常訪問
                page = formatPage(page);
                //將解析結(jié)果寫入指定的靜態(tài)HTML文件中，實(shí)現(xiàn)靜態(tài)HTML生成
                writeHtml(htmlFileName, page);
                status = true;
            }
        } catch (Exception ex) {
            logger.fatal("靜態(tài)頁面引擎在解析" + url + "產(chǎn)生靜態(tài)頁面" + htmlFileName + "時(shí)出錯(cuò):" + ex.getMessage());
        } finally {
            //釋放http連接
            getMethod.releaseConnection();
        }
        return status;
    }

    //將解析結(jié)果寫入指定的靜態(tài)HTML文件中
    private synchronized void writeHtml(String htmlFileName, String content) throws Exception {
        fw = new BufferedWriter(new FileWriter(htmlFileName));
        OutputStreamWriter fw = new OutputStreamWriter(new FileOutputStream(htmlFileName), "UTF-8");
        fw.write(page);
        if (fw != null) fw.close();
    }

    //將頁面中的相對(duì)路徑替換成絕對(duì)路徑，以確保頁面資源正常訪問
    private String formatPage(String page) {
        page = page.replaceAll("\\.\\./\\.\\./\\.\\./", webappname + "/");
        page = page.replaceAll("\\.\\./\\.\\./", webappname + "/");
        page = page.replaceAll("\\.\\./", webappname + "/");
        return page;
    }

    //測試方法
    public static void main(String[] args) {
        HtmlGenerator h = new HtmlGenerator("wjbHtml");
        h.createHtmlPage("http://www.itdecent.cn/u/1b21f2e84e3e", "src/main/resources/templates/a.html");
        h.createHtmlPage("http://localhost:8080/wjb", "src/main/resources/templates/c.html");

        System.out.println("靜態(tài)頁面已經(jīng)生成");

    }

}

2,拼接標(biāo)簽生成頁面

package com.wjb.util;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;

/**
 * Created by wjb on 2017/5/9.
 */
public class DynamicHtml {
    public static void main(String[] args) {
        StringBuilder stringHtml = new StringBuilder();
        PrintStream ps = null;
        try {
            ps = new PrintStream(new FileOutputStream("src/main/resources/templates/b.html"));

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        stringHtml.append("<html><head>");
        stringHtml.append("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=GBK\">");
        stringHtml.append("<title>測試頁面</title>");
        stringHtml.append("</head>");
        stringHtml.append("<body>");
        stringHtml.append("<div>hello</div>");
        stringHtml.append("</body></html>");
        ps.println(stringHtml.toString());

    }

}