jeecms 2012 源码分析（5）后台生成栏目页静态化分析

StaticPageDaoImpl 中

 转载请标识出处 by chenbo：http://blog.youkuaiyun.com/chenbo19867758/article/details/11953539

public int channelStatic(Integer siteId, Integer channelId,
			boolean containChild, Configuration conf, Map<String, Object> data)
			throws IOException, TemplateException {
		Finder finder = Finder.create("select bean from Channel bean");
		if (channelId != null) {
			if (containChild) {
				finder.append(",Channel parent where").append(
						" bean.lft between parent.lft and parent.rgt").append(
						" and parent.site.id=bean.site.id").append(
						" and parent.id=:channelId");
				finder.setParam("channelId", channelId);
			} else {
				finder.append(" where bean.id=:channelId");
				finder.setParam("channelId", channelId);
			}
		} else if (siteId != null) {
			finder.append(" where bean.site.id=:siteId");
			finder.setParam("siteId", siteId);
		}
		Session session = getSession();
		ScrollableResults channels = finder.createQuery(session).setCacheMode(
				CacheMode.IGNORE).scroll(ScrollMode.FORWARD_ONLY);
		int count = 0;
		CmsSite site;
		Channel c;
		PageInfo info;
		Writer out = null;
		Template tpl;
		String real, filename;
		File f, parent;
		int quantity, totalPage;
		if (data == null) {
			data = new HashMap<String, Object>();
		}
		while (channels.next()) {
			c = (Channel) channels.get(0);
			site = c.getSite();
			FrontUtils.frontData(data, site, null, null, null);
			// 如果是外部链接或者不需要生产静态页，则不生成
			if (!StringUtils.isBlank(c.getLink()) || !c.getStaticChannel()) {
				continue;
			}
			// 没有内容或者有子栏目，则只生成一页
			int childs = childsOfChannel(c.getId());
			if (!c.getModel().getHasContent()) {
				totalPage = 1;
			} else {
				if (c.getListChild()) {
					quantity = childs;
				} else {
					if(!c.getListChild() && childs > 0){
						quantity=contentsOfParentChannel(c.getId());
					}else{
						quantity = contentsOfChannel(c.getId());
					}
				}
				if (quantity <= 0) {
					totalPage = 1;
				} else {
					totalPage = (quantity - 1) / c.getPageSize() + 1;
				}
			}
			for (int i = 1; i <= totalPage; i++) {
				filename = c.getStaticFilename(i);
				real = realPathResolver.get(filename.toString());
				f = new File(real);
				parent = f.getParentFile();
				if (!parent.exists()) {
					parent.mkdirs();
				}
				tpl = conf.getTemplate(c.getTplChannelOrDef());
				String urlStatic = c.getUrlStatic(i);
				info = URLHelper.getPageInfo(filename.substring(filename
						.lastIndexOf("/")), null);
				FrontUtils.frontPageData(i, info.getHref(), info
						.getHrefFormer(), info.getHrefLatter(), data);
				FrontUtils.putLocation(data, urlStatic);
				data.put("channel", c);
				try {
					// FileWriter不能指定编码确实是个问题，只能用这个代替了。
					out = new OutputStreamWriter(new FileOutputStream(f), UTF8);
					tpl.process(data, out);
					log.info("create static file: {}", f.getAbsolutePath());
				} finally {
					if (out != null) {
						out.close();
					}
				}
			}
			if (++count % 20 == 0) {
				session.clear();
			}
		}
		return count;
	}

新闻栏目为例

内容页：/WEB-INF/t/cms/www/red/channel/新闻栏目.html

生成的静态页面 D:\tomcat-4.0\webapps\jeecms2012\news\index.html

 转载请标识出处 by chenbo：http://blog.youkuaiyun.com/chenbo19867758/article/details/11953539