my eclipse中,如何把数据库中的数据以表格的形式罗列出来?

2024-11-16 08:59:06
推荐回答(2个)
回答1:

这是我的毕业设计,大致看个 ,红色框里能看出这是个表吧  里面还用了分页技术,就是最下面那个第几页 共几页的那个 以下是代码:

<% java.sql.Connection sqlCon; //数据库连接对象
   java.sql.Statement sqlStmt; //SQL语句对象
   java.sql.ResultSet sqlRst;  //结果集对象
   java.lang.String strCon;    //数据库连接字符串
   java.lang.String strSQL;    //SQL语句
int intPageSize;            //一页显示的记录数
   int intRowCount;           //记录总数
   int intPageCount;         //总页数
   int intPage;                //待显示页码
java.lang.String strPage;  
int i;                     //设置一页显示的记录数
   intPageSize = 5; //取得待显示页码
   strPage =request.getParameter("page"); 
if(strPage==null){ 
//表明在QueryString中没有page这一个参数,此时显示第一页数据
       intPage = 1;
   } else { //将字符串转换成整型
       intPage =java.lang.Integer.parseInt(strPage); 
       if(intPage<1) intPage = 1;
   } //装载JDBC驱动程序
   Class.forName("com.mysql.jdbc.Driver").newInstance(); //连接数据库
//localhost/bishe为数据库,user为root,password为root
   sqlCon=java.sql.DriverManager.getConnection("jdbc:mysql://localhost/bishe?user=root&password=root"); //创建语句对象
sqlStmt sqlCon.createStatement(java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE,java.sql.ResultSet.CONCUR_READ_ONLY); //创建查询语句
   String sqlQury= "select energy.*,ftuuser.azdd  from energy,ftuuser whereenergy.FTUUserId=ftuuser.FTUUserId"; //执行SQL语句并获取结果集
   sqlRst = sqlStmt.executeQuery(sqlQury); //获取记录总数
   sqlRst.last();
   intRowCount = sqlRst.getRow(); //记算总页数
   intPageCount = (intRowCount+intPageSize-1) //intPageSize; //调整待显示的页码
   if(intPage>intPageCount) intPage =intPageCount;
%>

 

        数据分页显示
    
 
       

基站信息


       返回首页
        
body
{
background:url('img/2.jpg');

        

         
         基站编号//列出输出的表单中基站编号的单元格
         数据时间//列出输出的表单中数据时间的单元格
         是否在线//列出输出的表单中是否在线的单元格
         正向有功(总)//列出输出的表单中正向有功(总)的单元格
         正向无功//列出输出的表单中正向无功的单元格
         正向有功(峰)//列出输出的表单中正向有功(峰)的单元格
         正向有功(谷)//列出输出的表单中正向有功(谷)的单元格
         电压//列出输出的表单中电压的单元格
         电流//列出输出的表单中电流的单元格
<%
if(intPageCount>0) {
//将记录指针定位到待显示页的第一条记录上
      sqlRst.absolute((intPage-1)* intPageSize + 1);
                   
//显示数据 i = 0;
           while(i%>             
                 <%=sqlRst.getString("FTUUserId")%> //调取基站名称字段
                 <%=sqlRst.getString("datatime")%>  //调取数据时间字段
                 <%=sqlRst.getString("online")%> //调取是否在线字段
                 <%=sqlRst.getString("zxyg_total")%> //调取正向有功(总)字段
                 <%= sqlRst.getString("zxwg_total")%>//调取正向无功(总)字段
                 <%=sqlRst.getString("zxyg_peak")%> //调取正向有功(峰)字段
                 <%=sqlRst.getString("zxyg_vale")%> //调取正向有功(谷)字段
                 <%=sqlRst.getString("U")%> //调取电压字段
                 <%=sqlRst.getString("I")%> //调取电流字段 

<% sqlRst.next();
               i++; 
               } 
               } 
%>
        



        第<%=intPage%>页 共<%=intPageCount%>页
        <% 
//以下是分页的“上一页”“下一页”,有上一页就有链接,没有就为文字,下一页同理 %>
        <% if(intPage>1){ %>
            ">上一页
        <% }else{ %>
            上一页
        <%}%> 
        
        <% if(intPage
            ">下一页
        <% }else{ %>
            下一页
        <%}%>
 

    
 
<%
//关闭结果集
   sqlRst.close();
   //关闭SQL语句对象
   sqlStmt.close();
   //关闭数据库
   sqlCon.close();
%>

  里面的关于什么基站电流的是我的系统用到的名字 注意改改 因为我也是从别处粘来的 嘿嘿 你能看懂就把分页的技术给去掉 只留下表格就好了

回答2:

  1. 先在table中设置显示的TableLayout.addcolumnData(),即想显示的列

  2. 连接数据库,取出所需数据,组成list,可以直接使用jdbc或者hibernate等各种方法

  3. tableview.setInput(list)

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