简体   繁体   English

下拉框在 JSP 中不起作用

[英]Drop Down Box not working in JSP

Making a drop down list for my JSP and the values I'm entering won't show.为我的 JSP 创建一个下拉列表,我输入的值不会显示。 Probably me being an idiot but a solution would be really helpful可能我是个白痴,但解决方案真的很有帮助

The drop down box appears but the values to select are empty.出现下拉框,但 select 的值为空。

It's a big JSP so here's the piece that I'm looking at..这是一个很大的 JSP 所以这是我正在看的作品..

Form is put at the top of the JSP:表格放在JSP的最上面:

out.println("<form action=\"ExchangeServlet\" method=\"get\">");                    

At the bottom of the jsp:在jsp的底部:

out.println("<select name =\"status\">"+
"option value =\"Accepted\">Accepted</option>"+
"option value =\"Declined\">Declined</option>"+
"</select>");
out.println("<br />");
out.println("<input type=\"submit\" value=\"Update Exchange\" />");
out.println("</form>");

Your HTML is invalid.您的 HTML 无效。

Change改变

out.println("<select name =\"status\">"+
"option value =\"Accepted\">Accepted</option>"+
"option value =\"Declined\">Declined</option>"+
"</select>");

to

out.println("<select name =\"status\">"+
"<option value =\"Accepted\">Accepted</option>"+
"<option value =\"Declined\">Declined</option>"+
"</select>");

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM