articleservlet.java

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		}
		if (content == null || content.equals(""))
		{
			mark = false;
			messages += "<li>请输入 <b>文章内容！</b></li>";
		}
		if (mark)
		{
			title = MyTools.toChinese(title);
			content = MyTools.toChinese(content);
			if (title.length() > 20)
			{
				mark = false;
				messages += "<li><b>文章标题</b> 最多允许输入20个字符！</li>";
			}
			if (content.length() > 4000)
			{
				mark = false;
				messages += "<li><b>文章内容</b> 最多允许输入4000个字符！</li>";
			}
		}
		request.setAttribute("messages", messages);
		return mark;
	}

	/**
	 * @功能 后台-增加文章
	 */
	public void addArticle(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		String messages = "";
		String href = "";
		String forward = "";

		boolean flag = validateArticle(request, response);
		if (flag)
		{
			ArticleBean articleBean = new ArticleBean();
			articleBean.setTypeId(MyTools.strToint(request
					.getParameter("typeId")));
			articleBean.setTitle(MyTools.toChinese(request
					.getParameter("title")));
			articleBean.setContent(MyTools.changeHTML(MyTools.toChinese(request
					.getParameter("content"))));
			articleBean.setSdTime(MyTools.changeTime(new Date()));
			articleBean.setCreate(MyTools.toChinese(request
					.getParameter("create")));
			articleBean
					.setInfo(MyTools.toChinese(request.getParameter("info")));
			articleBean.setCount(0);

			ArticleDao articleDao = new ArticleDao();
			boolean mark = articleDao.operationArticle("add", articleBean);
			if (mark)
			{
				messages = "<li>发表文章成功！</li>";
				href = "<a href='admin/article/ArticleAdd.jsp'>[继续发表]</a>";
				forward = "/admin/success.jsp";
			} else
			{
				messages = "<li>发表文章失败！</li>";
				href = "<a href='javascript:window.history.go(-1)'>[返回]</a>";
				forward = "/admin/error.jsp";
			}
			request.setAttribute("messages", messages);
			request.setAttribute("href", href);
		} else
		{
			href = "<a href='javascript:window.history.go(-1)'>[返回]</a>";
			forward = "/admin/error.jsp";
			request.setAttribute("href", href);
		}
		RequestDispatcher rd = request.getRequestDispatcher(forward);
		rd.forward(request, response);
	}

	/**
	 * @功能 实现后台文章管理中的文章浏览功能
	 */
	public void adminSelectList(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		HttpSession session = request.getSession();
		ArticleDao articleDao = new ArticleDao();
		String strId = request.getParameter("typeId");
		if (strId == null || strId.equals(""))
			strId = "-1";
		int typeId = Integer.parseInt(strId);
		session.setAttribute("showTypeId", typeId);
		List<?> articleList = articleDao.queryArticle(typeId, "all");
		request.setAttribute("articleList", articleList);
		RequestDispatcher rd = request
				.getRequestDispatcher("/admin/article/ArticleList.jsp");
		rd.forward(request, response);
	}

	public void adminSelectSingle(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		int id = MyTools.strToint(request.getParameter("id"));
		ArticleDao articleDao = new ArticleDao();

		ArticleBean articleBean = articleDao.queryArticleSingle(id); // 查询指定文章的详细内容
		request.setAttribute("articleSingle", articleBean);

		RequestDispatcher rd = request
				.getRequestDispatcher("/admin/article/ArticleSingle.jsp");
		rd.forward(request, response);
	}

	/**
	 * @功能 从数据表中获取某类别下的所有文章
	 */
	public void selectArticle(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		ArticleDao articleDao = new ArticleDao();
		String strId = request.getParameter("typeId");
		if (strId == null || strId.equals(""))
			strId = "-1";
		int typeId = Integer.parseInt(strId);
		List<?> articleList = articleDao.queryArticle(typeId, "all");

		request.setAttribute("articleList", articleList);
		RequestDispatcher rd = request
				.getRequestDispatcher("/front/article/ArticleList.jsp");
		rd.forward(request, response);
	}

	public boolean validateType(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		boolean mark = true;
		String messages = "";

		String typeName = request.getParameter("typeName");
		String typeInfo = request.getParameter("typeInfo");

		if (typeName == null || typeName.equals(""))
		{
			mark = false;
			messages += "<li>请输入 <b>类别名称！</b></li>";
		}
		if (typeInfo == null || typeInfo.equals(""))
		{
			mark = false;
			messages += "<li>请输入 <b>类别介绍！</b></li>";
		}
		request.setAttribute("messages", messages);
		return mark;
	}

	/**
	 * @功能 后台-增加文章类别
	 */
	public void addArticleType(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		String messages = "";
		String href = "";
		String forward = "";

		boolean flag = validateType(request, response);
		if (flag)
		{
			ArticleTypeBean typeBean = new ArticleTypeBean();
			typeBean.setTypeName(MyTools.toChinese(request
					.getParameter("typeName")));
			typeBean.setTypeInfo(MyTools.toChinese(request
					.getParameter("typeInfo")));

			ArticleTypeDao articleTypeDao = new ArticleTypeDao();
			boolean mark = articleTypeDao.operationArticleType("add", typeBean);
			if (mark)
			{
				messages += "<li>添加文章类别成功！</li>";
				href = "<a href='admin/article/ArticleTypeAdd.jsp'>[继续添加文章类别]</a>";
				forward = "/admin/success.jsp";

			} else
			{
				messages += "<li>添加文章类别失败！</li>";
				href = "<a href='javascript:window.history.go(-1)'>[返回]</a>";
				forward = "/admin/error.jsp";
			}
			request.setAttribute("messages", messages);
			request.setAttribute("href", href);
		} else
		{
			href = "<a href='javascript:window.history.go(-1)'>[返回]</a>";
			forward = "/admin/error.jsp";
			request.setAttribute("href", href);
		}
		RequestDispatcher rd = request.getRequestDispatcher(forward);
		rd.forward(request, response);
	}

	public void selectArticleType(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		ArticleTypeDao typeDao = new ArticleTypeDao();
		List<?> typelist = typeDao.queryTypeList();
		request.setAttribute("typelist", typelist);
		RequestDispatcher rd = request
				.getRequestDispatcher("/admin/article/ArticleTypeList.jsp");
		rd.forward(request, response);
	}

	/**
	 * @功能 后台-修改文章类别
	 */
	public void modifyArticleType(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		RequestDispatcher rd = null;
		ArticleTypeBean typeBean = null;
		ArticleTypeDao typeDao = new ArticleTypeDao();

		String type = request.getParameter("type");
		if (type == null)
			type = "";
		if (!type.equals("doModify"))
		{
			int typeId = MyTools.strToint(request.getParameter("typeId"));
			typeBean = typeDao.queryTypeSingle(typeId);
			request.setAttribute("typeSingle", typeBean);
			rd = request
					.getRequestDispatcher("/admin/article/ArticleTypeModify.jsp");
			rd.forward(request, response);
		} else
		{
			String messages = "";
			String href = "";
			String forward = "";
			boolean flag = validateType(request, response);
			if (flag)
			{
				typeBean = new ArticleTypeBean();
				typeBean
						.setId(MyTools.strToint(request.getParameter("typeId")));
				typeBean.setTypeName(MyTools.toChinese(request
						.getParameter("typeName")));
				typeBean.setTypeInfo(MyTools.toChinese(request
						.getParameter("typeInfo")));

				boolean mark = typeDao.operationArticleType("modify", typeBean);
				if (mark)
				{
					messages = "<li>修改类别成功！</li>";
					href = "<a href='ArticleServlet?action=typeSelect'>[继续修改其他类别]</a>";
					forward = "/admin/success.jsp";

				} else
				{
					messages = "<li>修改失败！</li>";
					href = "<a href='javascript:window.history.go(-1)>[返回]</a>";
					forward = "/admin/error.jsp";
				}
				request.setAttribute("messages", messages);
				request.setAttribute("href", href);
			} else
			{
				href = "<a href='javascript:window.history.go(-1)>[返回]</a>";
				forward = "/admin/error.jsp";
				request.setAttribute("href", href);
			}
			rd = request.getRequestDispatcher(forward);
			rd.forward(request, response);
		}
	}

	/**
	 * @功能 后台-删除文章类别
	 */
	public void deleteArticleType(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException
	{
		ArticleTypeDao typeDao = new ArticleTypeDao();
		ArticleTypeBean typeBean = new ArticleTypeBean();

		String messages = "";
		String href = "";
		String forward = "";

		typeBean.setId(MyTools.strToint(request.getParameter("typeId")));
		boolean mark = typeDao.operationArticleType("delete", typeBean);
		if (mark)
		{
			messages += "<li>删除类别成功！</li>";
			href = "<a href='ArticleServlet?action=typeSelect'>[继续删除其他类别]</a>";
			forward = "/admin/success.jsp";

		} else
		{
			messages += "<li>删除类别失败！</li>";
			href = "<a href='javascript:window.history.go(-1)'>[返回]</a>";
			forward = "/admin/error.jsp";
		}
		request.setAttribute("messages", messages);
		request.setAttribute("href", href);
		RequestDispatcher rd = request.getRequestDispatcher(forward);
		rd.forward(request, response);
	}
}