1.第一個(gè)例子：

<s:select list="{'aa','bb','cc'}" theme="simple" headerKey="00" headerValue="00"></s:select>

2.第二個(gè)例子：

<s:select list="#{1:'aa',2:'bb',3:'cc'}"  label="abc" listKey="key" listValue="value"  headerKey="0" headerValue="aabb">

3.第三個(gè)例子：

<%
java.util.HashMap map = new java.util.LinkedHashMap();
map.put(1,"aaa");
map.put(2,"bbb");
map.put(3,"ccc");
request.setAttribute("map",map);
request.setAttribute("aa","2");
%>
<s:select list="#request.map"  label="abc" listKey="key" listValue="value"
 value="#request.aa"  headerKey="0" headerValue="aabb"></
s:select
>
headerKey headerValue 為設(shè)置缺省值

4.第四個(gè)例子

public class Program implements Serializable {
    /**    serialVersionUID */
    private static final long serialVersionUID = 1L;
    private int programid;
    private String programName;
    public int getProgramid() {
        return programid;
    }
    public void setProgramid(int programid) {
        this.programid = programid;
    }
        public String getProgramName() {
        return programName;
    }
    public void setProgramName(String programName) {
        this.programName = programName;
    }
}

在 xxx extends  extends ActionSupport {
    private  List<Program> programs ;
       public List<Program> getPrograms() {
        return programs;
    }
    public void setPrograms(List<Program> programs) {
            this.programs = programs;
    }
}

在jsp頁(yè)面
      <s:select list="programs "  listValue="programName " listKey="programid "  name="program" id="program"
             headerKey="0l" headerValue="    "   value="bean.programid "
             ></s:select>  
紅色部分為在action里面的list,黃色為<option value="xxx">value</option>對(duì)應(yīng)bean里面的字段programName 
綠色為<option value="xxx",對(duì)應(yīng)bean里面的字段programid

紫色為設(shè)定select被選中的值,s:select 會(huì)自動(dòng)在 bean選中 key對(duì)應(yīng)的值