jsp select multiple

//File: index.html
<HTML>
    <HEAD>
        <TITLE>Submitting Multiple Selection Select Controls</TITLE>
    </HEAD>

    <BODY>
        <H1>Submitting Multiple Selection Select Controls<H1>
        <FORM ACTION="formAction.jsp" METHOD="POST">
            <SELECT NAME="select1" SIZE="5" MULTIPLE>
                <OPTION>Option 1</OPTION>
                <OPTION SELECTED>Option 2</OPTION>
                <OPTION>Option 3</OPTION>
                <OPTION>Option 4</OPTION>
                <OPTION>Option 5</OPTION>
           </SELECT>
           <BR>
           <INPUT TYPE="SUBMIT" VALUE="Submit">
       </FORM>
    </BODY>
</HTML>

//File: formAction.jsp
<HTML>
    <HEAD>
        <TITLE>Reading Multiple Selection Select Controls</TITLE>
    </HEAD>

    <BODY>
        <H1>Reading Multiple Selection Select Controls</H1>
        You selected:
        <BR>
        <% String[] items = request.getParameterValues("select1");
        for(int loopIndex = 0; loopIndex < items.length; loopIndex++){
            out.println(items[loopIndex] + "<BR>");
        }
        %>
    </BODY>
</HTML>

注意：select1中必须有选中的项，否则不会传递到新的jsp页面。

REF:

http://www.devmanuals.com/tutorials/java/jsp/multipleSelectOption.html

http://www.java2s.com/Code/Java/JSP/SubmittingMultipleSelectionSelectControls.htm

http://stackoverflow.com/questions/2407945/how-to-get-multiple-selected-values-from-select-box-in-jsp

http://www.xue163.com/165/6/1654775.html

http://blog.csdn.net/overmind/article/details/670109