代码如下:
<select name="Format" value="<%=format%>">
<%
Res_MediaFormat res_mediaFormat = new Res_MediaFormat();
List formatList = res_mediaFormat.findAll();
for(int i = 0;i<formatList.size();i++){
out.println("<OPTION value='"+formatList.get(i)+"'>"+formatList.get(i)+"</OPTION>");
}
%>
</select>
显示出来的不是我设置的值,被我for循环里面的值给覆盖了,但是看页面的代码value里的值是<%=format%>,我怎么让它能显示出来呀?
<select name="Format" value="<%=format%>">
<%
Res_MediaFormat res_mediaFormat = new Res_MediaFormat();
List formatList = res_mediaFormat.findAll();
for(int i = 0;i<formatList.size();i++){
out.println("<OPTION value='"+formatList.get(i)+"'>"+formatList.get(i)+"</OPTION>");
}
%>
</select>
显示出来的不是我设置的值,被我for循环里面的值给覆盖了,但是看页面的代码value里的值是<%=format%>,我怎么让它能显示出来呀?
out.println("<OPTION value='"+formatList.get(i)+" selected"+"'>"+formatList.get(i)+"</OPTION>");
else out.println("<OPTION value='"+formatList.get(i)+"'>"+formatList.get(i)+"</OPTION>");
<%
Res_MediaFormat res_mediaFormat = new Res_MediaFormat();
List formatList = res_mediaFormat.findAll();
for(int i = 0;i<formatList.size();i++){
out.print("<OPTION value='"+formatList.get(i)+"'");
if(formatList.get(i).equals(format)) out.print(" selected");
out.print(">"+formatList.get(i)+"</OPTION>");
}
%>
</select>
你应该将option selected.