你好，请问以下关于html:optionsCollection语句的问题？

Question

html:optionsCollection怎么使用？给个简单的例子。

Answer 1

使用 <html:optionsCollection> 标签1）在ActionForm中加入字段private List cityList=new ArrayList();2）加入必须的getter方法public List getCityList() {return cityList;}3）在reset方法内给cityList填充内容cityList.add(new LabelValueBean( "北京市 ", "010 "));cityList.add(new LabelValueBean( "广州市 ", "020 "));cityList.add(new LabelValueBean( "上海市 ", "021 "));4）JSP标签中使用<html:select property= "city2 "><html:optionsCollection property= "cityList " label= "label " value= "value "/></html:select>

Answer 2

<html:form action= " " ><html:select property= "tt " ><logic:iterate id= "bbc " name= "array "><option value= "${bbc} "> <bean:write name= "bbc "/> </option></logic:iterate></html:select></html:form>