静态化文件位置注意:
实体类定义:
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public
class
News {
private
String title;
private
String pubTime;
private
String category;
private
String newsContent;
public
String getTitle() {
return
title;
}
public
void
setTitle(String title) {
this
.title = title;
}
public
String getPubTime() {
return
pubTime;
}
public
void
setPubTime(String pubTime) {
this
.pubTime = pubTime;
}
public
String getCategory() {
return
category;
}
public
void
setCategory(String category) {
this
.category = category;
}
public
String getNewsContent() {
return
newsContent;
}
public
void
setNewsContent(String newsContent) {
this
.newsContent = newsContent;
}
}
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自定义流的工具类
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public
class
CharStreamIO {
public
void
copyFile(String fsrc,String fDest){
File file =
new
File(fDest);
if
(file.exists()){
file.delete();
}
PrintWriter out =
null
;
BufferedReader in =
null
;
try
{
in =
new
BufferedReader(
new
FileReader(fsrc));
out =
new
PrintWriter(
new
BufferedWriter(
new
FileWriter(fDest)));
String strRet;
while
((strRet=in.readLine()) !=
null
){
out.println(strRet);
out.flush();
}
}
catch
(Exception e) {
e.printStackTrace();
}
finally
{
if
(in !=
null
){
try
{
in.close();
}
catch
(Exception e2) {
e2.printStackTrace();
}
}
if
(out !=
null
){
try
{
out.close();
}
catch
(Exception e2) {
e2.printStackTrace();
}
}
}
}
/**
* 把传入的信息,保存成文件
* @param finfo 传入的文件内容信息
* @param fname 目标路径和文件名
*/
public
void
writeFile(String finfo,String fDest){
File file =
new
File(fDest);
if
(file.exists()){
file.delete();
}
PrintWriter out =
null
;
try
{
out =
new
PrintWriter(
new
BufferedWriter(
new
FileWriter(fDest)));
out.write(finfo);
out.flush();
}
catch
(Exception e) {
e.printStackTrace();
}
finally
{
if
(out !=
null
){
out.close();
}
}
}
/**
* 读取文本型文件
* @param name
* @return
*/
public
String readFile(String fname){
File file =
new
File(fname);
StringBuilder bild =
new
StringBuilder();
BufferedReader in =
null
;
if
(file.exists()){
try
{
in =
new
BufferedReader(
new
FileReader(fname));
String strRet;
while
((strRet=in.readLine()) !=
null
){
bild.append(strRet);
}
}
catch
(Exception e) {
e.printStackTrace();
}
finally
{
if
(in !=
null
){
try
{
in.close();
}
catch
(Exception e2) {
e2.printStackTrace();
}
}
}
}
else
{
System.out.println(fname +
"不存在"
);
}
return
bild.toString();
}
}
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数据访问层
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public
class
NewsDao {
/**
* 读取数据库中要生成的新闻信息
* @return
*/
public
List<News> getAllNews(){
CharStreamIO io =
new
CharStreamIO();
SimpleDateFormat sd =
new
SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss"
);
List<News> newsList =
new
ArrayList<News>();
News n1 =
new
News();
n1.setCategory(
"sport"
);
String c1 = io.readFile(
"NewsInfo\\news1.txt"
);
n1.setNewsContent(c1);
n1.setPubTime(sd.format(
new
Date()));
n1.setTitle(
"深足教练组:说我们买球是侮辱 朱广沪常暗中支招"
);
News n2 =
new
News();
n2.setCategory(
"hot"
);
String c2 = io.readFile(
"\\NewsInfo\\news2.txt"
);
n2.setNewsContent(c2);
n2.setPubTime(sd.format(
new
Date()));
n2.setTitle(
"对对对发发发失误失误"
);
newsList.add(n1);
newsList.add(n2);
return
newsList;
}
}
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业务逻辑层
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public
class
NewsBiz {
/**
* 读取数据库中要生成的新闻信息
* @return
*/
public
void
createAllNews()
throws
Exception{
NewsDao dao =
new
NewsDao();
List<News> newsList = dao.getAllNews();
String destPath =
"/News/newspages"
;
for
(
int
i=
0
;i<newsList.size();i++){
//读取模板
CharStreamIO io =
new
CharStreamIO();
String tmp = io.readFile(
"/News/news.tmp"
);
//替换模板中的参数数据
News n = newsList.get(i);
String newTmp;
newTmp = tmp.replace(TemplateParam.TITLE, n.getTitle());
newTmp = newTmp.replace(TemplateParam.CATEGORY,n.getCategory());
newTmp = newTmp.replace(TemplateParam.PUB_TIME,n.getPubTime());
newTmp = newTmp.replace(TemplateParam.CONTENT, n.getNewsContent());
//把替换后的内容保存成新闻页面
io.writeFile(newTmp, destPath +
"/news-"
+ i +
".html"
);
}
}
}
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TemplateParam类
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public
class
TemplateParam {
public
static
final
String TITLE =
"%{title}%"
;
public
static
final
String CATEGORY =
"%{category}%"
;
public
static
final
String CONTENT =
"%{newsContent}%"
;
public
static
final
String PUB_TIME =
"%{pubTime}%"
;
}
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用户接口层
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public
class
NewsTest {
public
static
void
main(String[] args) {
NewsBiz biz =
new
NewsBiz();
try
{
biz.createAllNews();
System.out.println(
"新闻页面创建完毕!"
);
}
catch
(Exception e) {
e.printStackTrace();
}
}
}
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版权声明:原创作品,谢绝转载。否则将追究法律责任
本文转自 叫我北北 51CTO博客,原文链接:http://blog.51cto.com/qinbin/1964312