Java页面静态化工具类.java

package com.qq.utils;



import java.io.File;



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.commons.io.FileUtils;

import org.apache.commons.io.IOUtils;

import org.apache.log4j.Logger;



/**

 * HTML页面静态化工具

 * @author LiuJunGuang

 * @date 2014年2月22日上午11:46:42

 */

public class HtmlGeneratorUtils {

    private static Logger log = Logger.getLogger(HtmlGeneratorUtils.class);

    private static final String encoding = "UTF-8";



    /** 根据模版及参数产生静态页面 */

    public static boolean createHtmlPage(String url, String htmlFileName) {

        GetMethod getMethod = null;

        try {

            HttpClient httpClient = new HttpClient();

            httpClient.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, encoding);

            getMethod = new GetMethod(url);

            getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());// 使用系统提供的默认的恢复策略，在发生异常时候将自动重试3次

            getMethod.addRequestHeader("Content-Type", "text/html;charset=UTF-8");// 设置Get方法提交参数时使用的字符集,以支持中文参数的正常传递

            int statusCode = httpClient.executeMethod(getMethod);// 执行Get方法并取得返回状态码，200表示正常，其它代码为异常

            if (statusCode != 200) {

                log.error("静态页面引擎在解析" + url + "产生静态页面" + htmlFileName + "时出错!");

            } else {

                IOUtils.copy(getMethod.getResponseBodyAsStream(), FileUtils.openOutputStream(new File(htmlFileName)));

            }

            return true;

        } catch (Exception ex) {

            log.error("静态页面引擎在解析" + url + "产生静态页面" + htmlFileName + "时出错:" + ex.getMessage(), ex);

        } finally {

            if (getMethod != null)

                getMethod.releaseConnection();

        }

        return false;

    }



    // 测试方法

    public static void main(String[] args) {

        HtmlGeneratorUtils.createHtmlPage("http://localhost:8080/MSDCP/index.action", "c:/a/a.html");

    }

}