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📄 index.jsp

📁 该系统具体分为2个部分：前台和后台。 1．前台主要用于用户进行浏览和搜索
💻 JSP
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🔍 
<link rel="stylesheet" type="text/css" href="cssMain/main.css"/>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="ynuBean.AdvicesBean"%>
<%@ page import="ynuBean.NewsBean"%>
<%@ page import="ynuBean.Advice"%>
<%@ page import="ynuBean.News;"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html>
  <head>   
    <title>农药信息</title>
  </head>
    <%
    AdvicesBean aBean = new AdvicesBean();
	ArrayList adviceList = (ArrayList) aBean.getAdvices();
	NewsBean bBean = new NewsBean();
	ArrayList newsList = (ArrayList)bBean.getNews();
	%>
	  
  <body>

    <div id ="container">
    <div id="head">
			<center><h1>农药信息管理系统</h1></center> <br />
				<table align="right" border="0" width="50%">
					<tr>
						<td><a href="/PesticideInfoManagement/index.jsp">首页</td>
						</a>
						
						<td><a href="/PesticideInfoManagement/search.jsp">查询</td>
						</a>
					</tr>
				</table>
			</div>
			
	<div id="right_ima" style="">
	<div class="msg1" align=center>本站新闻</div>
    	<%
    		String pages = request.getParameter("page");
    		if(pages==null)
    		{
    			pages = "0"; 
    		} 
    		
    		int diPage = Integer.parseInt(pages);
    	%>
    	<table style="border:#000000 solid;border-width:1 0 0 1;" width=450>
		<%	
			int RowCount = newsList.size();
			int PageRow = 4;//每页显示的记录数
			int PageCount = 0;
			if(RowCount%4==0)
				PageCount = RowCount/PageRow;
			else
				PageCount = RowCount/PageRow + 1; 
				
			if (newsList != null) 
			{
			
				Iterator aIterator = newsList.iterator();
				News aNews = null;
				//while (aIterator.hasNext()) {
					for(int i=0;i<diPage*PageRow &&aIterator.hasNext();i++)
						aNews = (News) aIterator.next();
						
					for(int i=0;i<(PageRow)&&aIterator.hasNext();i++){
					aNews = (News) aIterator.next();
					out.println("<tr style='border:1px solid black;'>");
					out.println("<td style='border:#000000 solid;border-width:0 1 1 0;'>");
					out.println("<a href='DisplayNews.jsp?title="+aNews.getTitle()+"'><h4>" + aNews.getTitle()+"</td></a>");
					out.println("</td>");
					out.println("</tr>");
					}
				//}				
			} 				
		%>
		</table>
		<%
		out.print("<div align=center>");
			if(diPage>0)
			{
			%><a href="index.jsp?page=<%=diPage-1 %>">上一页</a>
			<%} %>
			<%if(diPage<PageCount)
			{%>
			<a href="index.jsp?page=<%=diPage+1 %>">下一页</a>共<%=PageCount %>页,当前第
			<%=diPage+1 %>页
			<%} %>
			<%
			out.print("</div>");
			%>
    </div>
    
    <div id="left">
    <form name="login" action="/PesticideInfoManagement/servlet/CheckInvidServlet" method="post">
				 用户名  <input class="input" type="text" name="username" width =/> 
                  <br></br>密&nbsp;&nbsp;&nbsp;&nbsp;码  <input class="input" type="password" name="pwd"/>
        <br></br>
        &nbsp;&nbsp; &nbsp;&nbsp;
        <% 
       		String msg = (String)session.getAttribute("errInf");
       		if(msg!=null)
       		   out.println(msg);
        %>
        <br>
        <div align=center>
        <input class="button" type="submit" name="enter" value="确定"/>
		<a href="/PesticideInfoManagement/register.jsp">
		注册
    	</a>
    	</div>
    	</form>
    	<br></br>
    	<div class="msg" align="center">公告</div>
    	<%
    		out.println("<table border='0'align=center>");
			//out.println("<tr align=center>");
			if (adviceList != null) 
			{
				Iterator aIterator = adviceList.iterator();

				while (aIterator.hasNext()) {
					Advice aAdvice = (Advice) aIterator.next();
				    System.out.println(aAdvice.getContent());
					out.println("<tr>");
					out.println("<td align=center><h4>" + aAdvice.getContent()+"</td>");
					out.println("</tr>");
				}
			} 
			else 
			{
				out.println("<p>无记录</p>");
			}
			out.println("<table>");
		%>
    	</div>

    </div>
</body>
</html>

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