Java日志系统设计-优快云博客

本文链接：https://blog.youkuaiyun.com/wxljmy77/article/details/12370831

<%@ page language="java" pageEncoding="UTF-8"
   import="java.util.*,java.text.SimpleDateFormat,com.common.*"%>

<%
//ajax must use!!!   url path
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
//System.out.println(basePath);
%>

<%
        //判断是切换用户还是当前用户点击菜单加载本页面
        String type=request.getParameter("type")==null?"":request.getParameter("type").toString();
        String username="";
        String userid="";
        String curdate="";
        SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
        GregorianCalendar cal = new GregorianCalendar();
        curdate=sdf.format(new Date());
        if(type.equals("")) //初次请求页面，默认值
        {
            username =request.getSession().getAttribute("loginUser")==null?"":request.getSession().getAttribute("loginUser").toString();
            userid=request.getSession().getAttribute("loginID")==null?"":request.getSession().getAttribute("loginID").toString();
            curdate=sdf.format(new Date());
        }
        if(type.equals("disp_premonth"))
        {
            userid=request.getParameter("userid")==null?"":request.getParameter("userid").toString();
            String c_username=request.getParameter("username")==null?"":request.getParameter("username").toString();
            username=new String(c_username.getBytes("ISO-8859-1"),"UTF-8");
            //System.out.println("username=" + username + "," + userid);
           //根据请求日期计算上月
           curdate=request.getParameter("curdate")==null?"":request.getParameter("curdate").toString();
           if(curdate.equals(""))
              curdate=sdf.format(new Date());
           Date t_curdate=new Date();
           try{t_curdate=sdf.parse(curdate);}catch(Exception e){}
           cal.setTime(t_curdate); cal.add(Calendar.MONTH, -1);
           curdate=sdf.format(cal.getTime());
            //System.out.println("curdate=" + curdate);
        }
        if(type.equals("disp_nextmonth"))
        {
            userid=request.getParameter("userid")==null?"":request.getParameter("userid").toString();
            String c_username=request.getParameter("username")==null?"":request.getParameter("username").toString();
            username=new String(c_username.getBytes("ISO-8859-1"),"UTF-8");
            //System.out.println("username=" + username + "," + userid);
           //根据请求日期计算上月
           curdate=request.getParameter("curdate")==null?"":request.getParameter("curdate").toString();
           if(curdate.equals(""))
              curdate=sdf.format(new Date());
           Date t_curdate=new Date();
           try{t_curdate=sdf.parse(curdate);}catch(Exception e){}
           cal.setTime(t_curdate); cal.add(Calendar.MONTH, 1);   //!!
           curdate=sdf.format(cal.getTime());
            //System.out.println("curdate=" + curdate);
        }
%>
<html>
   <head>
       <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
       <Meta http-equiv="Pragma" Content="No-cache">
       <meta http-equiv="cache-control" content="no-cache">
       <title>个人日志</title>
       <link href="CSS/style.css" rel="stylesheet" type="text/css" />
   </head>
   <body>
   <div class="pageContent">
   <form method="post" action="dwz-ria-1.4.6/demo/common/ajaxDone.html" class="pageForm required-validate" onsubmit="return validateCallback(this, navTabAjaxDone);">
       <div class="pageFormContent" layoutH="56">

       <table width="100%" border="0" cellspacing="0" cellpadding="0"
           bgcolor="#D3EEFF">
           <tr>
               <td valign='center' style='font-size:13px;'>
                          
                      当前是 <font class="fonthong1"><%=username%></font> 的日志
                      <span style='width:40px;'></span>
                      <input type="text" name="date6" class="date" readonly="true" />

               </td>
           </tr>

           
           <tr>
               <td align="center">
                   <table width="100%" border="0" cellpadding="0" cellspacing="1"
                       bgcolor="#8cd5f5">
                       <tr bgcolor="#8cd5f5">
                            <td width="40px" height="30" align="center"> </td>
                           <td width="13%" height="30" align="center">星期日   </td>
                           <td width="13%" align="center">星期一   </td>
                           <td width="13%" align="center">星期二</td>
                           <td width="15%" align="center">星期三   </td>
                           <td width="15%" align="center">星期四</td>
                           <td width="13%" align="center">星期五   </td>
                           <td width="13%" align="center">星期六</td>
                       </tr>
   <%
        //根据传入日期，生成本月及跨上、下月日历单元格。
       //..设置日历对象时间为传入参数日期
       Date m_day=new Date();
       try{ m_day=sdf.parse(curdate); }catch(Exception e){}
       cal.setTime(m_day);
       //..本月1号对应星期几(用来计算本月1号到上周日占上个月几天，周日 1,周一 2...)
       cal.set(Calendar.DATE,1);
       int week_firstdayofmonth=cal.get(Calendar.DAY_OF_WEEK);
       //System.out.println("本月1号："+ sdf.format(cal.getTime()));
       //System.out.println("本月1号对应周几："+ week_firstdayofmonth);
       //..本月最后1天对应星期几(用来计算本月底到周六需补下个月几天，周日 1,周一 2...)
       cal.set(Calendar.DATE,1);
       int days_ofmonth=cal.getActualMaximum(Calendar.DAY_OF_MONTH);
       //System.out.println("本月总共天数："+ days_ofmonth);
       cal.add(Calendar.DAY_OF_MONTH, days_ofmonth-1);
       int week_lastdayofmonth=cal.get(Calendar.DAY_OF_WEEK);
       //System.out.println("本月最后1天：" + sdf.format(cal.getTime()));
       //System.out.println("本月最后一天对应周几：" + week_lastdayofmonth);
       //..获取日历显示的总天数 (1号前空的天数+本月天数+最后一天之后空的天数)
       int ibeforecells=(week_firstdayofmonth-1); //1号之前的天数
       int ibehindcells=7-week_lastdayofmonth;     //月底之后的天数
       int cellcounts= ibeforecells+ days_ofmonth + ibehindcells;
       //System.out.println("日历单元格总数=" + cellcounts);
       //..获取日历所有单元格对应的日期并写入变量
       String days[];
       days=new String[cellcounts];
       //....单元格第1天日期(可能不是本月第一天周日周一周二周三周四周五周六)
       cal.set(Calendar.DATE,1);
       cal.add(Calendar.DATE,-1*(week_firstdayofmonth-1)); //本月1好往前推到周日，即第1天。
       //System.out.println("单元格第一天：" + sdf.format(cal.getTime()));
       for(int i=0;i<cellcounts;i++)
       {
           days[i]=sdf.format(cal.getTime());
           cal.add(Calendar.DAY_OF_MONTH,1);
           //if(bdebug) System.out.println("填充变量：days" + i + "=" + days[i]);
       }
        //..查询数据，一次获取完毕
        String dt1=days[0] + " 00:00:00";
        String dt2=days[days.length-1] + " 23:59:59";
        Tdb db=new Tdb();
        String sql="select * from log where datetime>='" + dt1 + "' and datetime<='"
          + dt2 + "' and em_id='" + userid + "'";
        List rs=db.getrs(sql);
        //System.out.println(rs.size() + "," + sql);
        //..生成日志内容数据到data变量，与days变量一一对应。
        String data[];
        data=new String[days.length];
        for(int i=0;i<days.length;i++) //逐一比较日历和查询结果，匹配后，写入数据变量
        {
          data[i]=""; //数据初始化
          //
          for(int j=0;j<rs.size();j++)
          {
            String dt=((HashMap)rs.get(j)).get("datetime").toString();
            if(dt==null || dt.equals(""))
              ;
            else
            {
              Date dd=sdf.parse(dt);
              String db_dt=sdf.format(dd);
              if(days[i].toString().equals(db_dt))
              {
                String ct=((HashMap)rs.get(j)).get("content").toString();
                if(ct.length()>30) ct=ct.substring(0,30) + "..."; //超过20个字符，截取
                data[i]=ct;
                break;
              }
            }
          }
        }
        //..根据日历变量输出日历表格
       for (int i = 0; i < days.length; i++)
       {
            //if(bdebug) System.out.println("i=" + i);
            if(i%7==0) //每7个输出一行标志
            {
                out.println("<tr bgcolor='#D3EEFF'>");
                //每行新增加一个功能，输出一个是本年的第几周
                Date everyrow_firstday=sdf.parse(days[i]);
                System.out.println("days[i]=" + days[i]);
                cal.setTime(everyrow_firstday);
                int iweek_ofyear=cal.get(Calendar.WEEK_OF_YEAR);
                out.println("<td height='80' valign='middle' align='center'>"
                    + "第" + iweek_ofyear + "周</td>");
            }
            //输出td
            //..计算单元格显示的当天序号，非本月不显示序号，颜色为灰色
            String tdhead=" ";
            String tdcolor="gray";
            if(i>=ibeforecells && i<(cellcounts-ibehindcells)) //当月内的天数
            {
               //if(bdebug) System.out.println(i);
               tdhead=String.valueOf(Integer.parseInt(days[i].substring(8,10))); //截取日期后2位作序号
               tdcolor="#333333"; //#000000 字体不要太黑
            }
            //..输出日历表格
            out.println("<td height='80' valign='top'>");
            out.println(" <div style='background-color: #D3EEFF; height: 50px; width: 97%; margin: 0px;cursor:hand;' "
                + " onclick='log_editdisp(\"" + userid + "\",\"" + days[i] + "\");'>");
            out.println("    <div width='99%' align='center'>");
            out.println("      <a href='#' onclick='log_editdisp(\"" + userid + "\",\"" + days[i] + "\");return false;'>" + tdhead + "</a>");
            out.println("    </div>");

            out.println("    <span style='margin: 0 0 0 0px;'>");
           out.println("      <a class='button' target='dialog' rel='dlg_page2' href='work_log_edit.jsp?id=2356'>");
           out.println("        <font color='" + tdcolor + "'>xxxx" + data[i] + "</font>");
           out.println("      </a>");
            out.println("    </span>");
            out.println(" </div>");
           out.println("</td>");
           //
            if(i%7==6) //每7个输出一行结束标志
            {
              out.println("</tr>");
            }
          }
   %>
                   </table>
               </td>
           </tr>
       </table>


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

java js 日期