问题描述

在表单的table中的每一个单元格加入俩个下拉菜单，求大神指导怎么写，跪求~

在表单的table中的每一个单元格加入俩个下拉菜单，求大神指导怎么写？下面有初步的jsp代码。我用的是SSH框架.有一个下拉菜单的值是动态的，是别的表内的属性。怎么把一个单元格里的两个数据分别确定

 <%@page contentType=""text/html;  charset=UTF-8"" import=""java.util.*"" %><%@ page import=""com.sysgrrj.module.ChangFangGouMai.valueobject.ChangFangGouMai"" %><%@ page import=""com.sysgrrj.common.TypeChange"" %><%@  taglib prefix=""s"" uri=""/struts-tags"" %><html><head>    <jsp:include page='/res/inc/inc.jsp' flush='true'/></head><body><s:form action=""List"" id=""form1"" theme=""simple"">    <jsp:include page='/res/inc/inc_form_List.jsp' flush='true'/>    <script type=""text/javascript"">        function doAction(action) {            if (confirm(""是否确认保存?"")) {                document.getElementById(""form1"").action = ""<%=request.getContextPath()%>/Module/ChangFangGouMai/List_save.action"";                document.getElementById(""form1"").submit();                return true;            }            else {                return false;            }        }    </script>    <div class=""buttonDiv"">        <input type=""button"" class=""button_style_save"" onclick=""doAction('')""/>    </div>    <div class=""validatemsg"">        <s:actionerror/>        <s:fielderror/>        <s:actionmessage/>    </div>    <%           //厂房购买           List<ChangFangGouMai> changFangGouMaiList = (List<ChangFangGouMai>) request.getAttribute(""changFangGouMaiList"");       %><table width=""100%"" class=""listext"" id=""table1"">        <tr>            <TH colspan=""7"" style=""background:  #EBEBEB;height: 35px""> 厂房购买</TH>        </tr>    <TR>       <TH width=""30""> 序号</TH>       <TH width=""80"">编号</TH>       <TH>1</TH>       <TH>2</TH>       <TH>3</TH>        <TH>4</TH>       <%--<TH>trainingOrCompetitionID</TH>--%>    </TR>       <%   int i;           int k;           int j;             String[] s;              s=new String[6];             for(j=1;j<7;j++){                 String a[]={""第一年""第二年""第三年""第四年""第五年""第六年""};        %>      <TR>          <TD><%=(j)%> </TD>           <TD><%=(a[j-1])%> </TD>          <%             for(i=1;i<5;i++){                 out.print(""  <TD>"");                  String sr= """";                 for(k=0;k<changFangGouMaiList.size();k++){                     ChangFangGouMai changFangGouMai=changFangGouMaiList.get(k);                     if(TypeChange.stringToInt(changFangGouMai.getNianDu())==j&&changFangGouMai.getBianHao()==i){                         sr=changFangGouMai.getZuYongHuoGouMai();                         break;                     }                 }                 out.print(""<input type=""text""   name=""""+j+""_""+i+"""" value="""" + sr + """"/>"");                 out.print(""</TD>"");             }          %>       </TR>      <%          }        %></TABLE>    <s:hidden name=""TrainingOrCompetitionID""/></s:form></body></html>

解决方案

只能用ajax了，用js动态生成select标签，使用ajax返回来的数据填充option

解决方案二：

 <%@page contentType=""text/html;  charset=UTF-8"" import=""java.util.*"" %><%@ page import=""com.sysgrrj.module.ChangFangGouMai.valueobject.ChangFangGouMai"" %><%@ page import=""com.sysgrrj.common.TypeChange"" %><%@  taglib prefix=""s"" uri=""/struts-tags"" %><html><head>    <jsp:include page='/res/inc/inc.jsp' flush='true'/></head><body><s:form action=""List"" id=""form1"" theme=""simple"">    <jsp:include page='/res/inc/inc_form_List.jsp' flush='true'/>    <script type=""text/javascript"">        function doAction(action) {            if (confirm(""是否确认保存?"")) {                document.getElementById(""form1"").action = ""<%=request.getContextPath()%>/Module/ChangFangGouMai/List_save.action"";                document.getElementById(""form1"").submit();                return true;            }            else {                return false;            }        }    </script>    <div class=""buttonDiv"">        <input type=""button"" class=""button_style_save"" onclick=""doAction('')""/>    </div>    <div class=""validatemsg"">        <s:actionerror/>        <s:fielderror/>        <s:actionmessage/>    </div>    <%           //厂房购买           List<ChangFangGouMai> changFangGouMaiList = (List<ChangFangGouMai>) request.getAttribute(""changFangGouMaiList"");       %><table width=""100%"" class=""listext"" id=""table1"">        <tr>            <TH colspan=""7"" style=""background:  #EBEBEB;height: 35px""> 厂房购买</TH>        </tr>    <TR>       <TH width=""30""> 序号</TH>       <TH width=""80"">编号</TH>       <TH>1</TH>       <TH>2</TH>       <TH>3</TH>        <TH>4</TH>       <%--<TH>trainingOrCompetitionID</TH>--%>    </TR>       <%   int i;           int k;           int j;             String[] s;              s=new String[6];             for(j=1;j<7;j++){                 String a[]={""第一年""第二年""第三年""第四年""第五年""第六年""};        %>      <TR>          <TD><%=(j)%> </TD>           <TD><%=(a[j-1])%> </TD>          <%             for(i=1;i<5;i++){                 out.print(""  <TD>"");                  String sr= """";                 for(k=0;k<changFangGouMaiList.size();k++){                     ChangFangGouMai changFangGouMai=changFangGouMaiList.get(k);                     if(TypeChange.stringToInt(changFangGouMai.getNianDu())==j&&changFangGouMai.getBianHao()==i){                         sr=changFangGouMai.getZuYongHuoGouMai();                         break;                     }                 }                 out.print(""<input type=""text""   name=""""+j+""_""+i+"""" value="""" + sr + """"/>"");                 out.print(""</TD>"");             }          %>          <!-- 新增部分  -->          <td>            <select>              <option value=""1"" <c:if test=""${user.type eq '1'}"">checked=""checked""</c:if>  >选项1</option>              <option value=""2"" <c:if test=""${user.type eq '2'}"">checked=""checked""</c:if>  >选项2</option>            </select>          </td>           <!-- 新增部分END  -->           <!--           返回一个列表项通过EL表达式判断值是否对应当前选项然后进行设置即可.           -->       </TR>      <%          }        %></TABLE>    <s:hidden name=""TrainingOrCompetitionID""/></s:form></body></html>