使用java将动态网页生成静态网页示例

package com.tools;
import java.io.*;
import java.net.url;

/**
 * title:动态页面静态化
 */
public class gotohtml {
/**
 *
 * @param page
 *            存放静态页面的本地文件路径（c,d,e,f,g）
 * @param url_addr
 *            所要生成的静态页的url地址(http://)
 * @return
 */
public boolean printpage(string page, string url_addr) {

system.out.println("page" + page);

string newpage = "";
// 判断输入的本地路径是否是以。jsp结尾的
if (page.endswith(".html")) {

system.out.println("this is end with xxx.html");
int bias = page.lastindexof("/");// bias(斜线的意思)获取最后一个斜线的位置
system.out.println("the last / at :" + bias);

newpage = page.substring(0, bias);
system.out.println("newpage:" + newpage);
}

// 如果文件夹不存在就创建一个
file ff = new file(newpage);
ff.mkdirs();

url url;
string rline = null;
printwriter fileout = null;
inputstream ins = null;
try {
url = new url(url_addr);
system.out.println(url+".......");
ins = url.openstream();
bufferedreader breader = new bufferedreader(new inputstreamreader(
ins, "utf-8"));// 获取编码为gb2312的文件
fileoutputstream out = new fileoutputstream(page);
outputstreamwriter writer = new outputstreamwriter(out, "utf-8");
fileout = new printwriter(writer);
// 循环取取数据,并写入目标文件中
while ((rline = breader.readline()) != null) {
string tmp_rline = rline;
system.out.println(tmp_rline);
int str_len = tmp_rline.length();
if (str_len > 0) {
fileout.println(tmp_rline);
fileout.flush();
}
tmp_rline = null;
}
url = null;
return true;
} catch (ioexception e) {
system.out.println("error: " + e.getmessage());
e.printstacktrace();
return false;
} catch (exception es) {
system.out.println(es.getmessage());
return false;
} finally {// 关闭资源
fileout.close();
try {
ins.close();
} catch (ioexception ex) {
// 关闭输入流出错
ex.printstacktrace();
}
}

}
public static void main(string[] args) {

gotohtml gth = new gotohtml();
string accresstoken="w67k0vh4k5yph3dpk75jkmechvw_utybtqjd-vb8vxrfd3aovhhk_apjq7jmouhiytsru3_voj2ixrccluab_6-hblsmxzz_dwqtup3908aoioukkrnxllagh0ac7rnvsazybyxwi8670us-ryd1va";
string media="y9kk2wmps4byzxiyfz7_nq6gyi8ev7-hyzg5hbadkoqoblfs9jit8_x2s4zovc1g";
string urlstring="http://file.api.weixin.qq.com/cgi-bin/media/get?access_token="+accresstoken+"&media_id="+media;
//gth.printpage("d:/eclipse/newnum.html","http://localhost/prime/user/userfind_update.jsp?id=93");
gth.printpage("d:/newnum.html",urlstring);
}
}