ColdFusion select option 用法，看看哪种适合你的

 

1.
<cfscript>
Function setSelected(val1, val2){
    if (val1 EQ val2)
    {
        Return 'selected="selected"';
    } 
    else 
    {
        Return '';
    }
}
</cfscript>
<selectid="grade"name="grade">
  <optionvalue="A" #setSelected('A', form.grade)#>A</option>
  <optionvalue="B" #setSelected('B', form.grade)#>B</option> 
  <optionvalue="C" #setSelected('C', form.grade)#>C</option> 
  <optionvalue="D" #setSelected('D', form.grade)#>D</option> 
  <optionvalue="F" #setSelected('F', form.grade)#>F</option>
</select>


2.

<selectid="grade"name="grade">
  <option value="A"<cfifform.grade='A'> selected="selected"</cfif>>A</option>
  <option value="B"<cfifform.grade='B'> selected="selected"</cfif>>B</option> 
  <option value="C"<cfifform.grade='C'> selected="selected"</cfif>>C</option> 
  <option value="D"<cfifform.grade='D'> selected="selected"</cfif>>D</option> 
  <option value="F"<cfifform.grade='F'> selected="selected"</cfif>>F</option>
</select>
3.

<cfqueryname="getGrades"datasource="#application.dsn#">
  select gradeLetter from Grades
</cfquery>

<cfselect
  name="grade"
  query="getGrades"
  display="gradeLetter"
  value="gradeLetter"
  selected="#form.grade#"/>
4.

<cfparamname="form.grade"default="C">
<cfsetmydata=[{grade="A",value="A"},{grade="B",value="B"},{grade="C",value="C"},{grade="D",value="D"},{grade="F",value="F"}]>
<cfoutput>
<selectid="grade"name="grade">
    <cflooparray="#mydata#"index="i">
        <option value="#i['value']#"<cfifform.gradeEQi['grade']> selected="selected"</cfif>>#i['value']#</option>
    </cfloop>
</select>
</cfoutput>

5.

<cfsavecontentvariable="GradeOptions">
A:A
B:B
C:C
D:D
F:F
</cfsavecontent>

<selectid="grade"name="grade">
    <cfloopindex="CurOpt"list="#trim(GradeOptions)#"delimiters="#Chr(10)#">
        <option value="#ListFirst(CurOpt,':')#"<cfifform.gradeEQListFirst(CurOpt,':')> selected="selected"</cfif>>#ListRest(CurOpt,':')#</option>
    </cfloop>
</select>
6.

<cfsavecontentvariable="GradeOptions">
A
B
C
D
F
</cfsavecontent>

<selectid="grade"name="grade">
    <cfloopindex="CurOpt"list="#trim(GradeOptions)#"delimiters="#Chr(10)#">
        <option<cfifform.gradeEQCurOpt> selected="selected"</cfif>>#CurOpt#</option>
    </cfloop>
</select>

7.

<cfparamname="form.grade"default="A">
<cfoutput>
<selectid="grade"name="grade">
<cfloopindex="code"from="65"to="90">
    <option value="#Chr(code)#"<cfifform.gradeEQChr(code)> selected="selected"</cfif>>#Chr(code)#</option>
</cfloop>
</select>
</cfoutput>
8.

<cfsetGradeOptions=Grades.readAvailable()/>

<selectid="grade"name="grade">
    <cfloopquery="GradeOptions">
        <option value="#GradeCode#"
                <cfifForm.GradeEQGradeCode>selected="selected</cfif>
                >#GradeCode# - #GradeDesc#</option>
    </cfloop>
</select>

9.

<selectid="grade"name="grade">
      <option value="A"<cfifform.gradeEQ"A"> selected </cfif> >A</option>
      <option value="B"<cfifform.gradeEQ"B"> selected </cfif> >B</option> 
      <option value="C"<cfifform.gradeEQ"C"> selected </cfif> >C</option> 
      <option value="D"<cfifform.gradeEQ"D"> selected </cfif> >D</option> 
      <option value="F"<cfifform.gradeEQ"F"> selected </cfif> >F</option>
   </select>
10.

<scripttype="text/javascript">                                         
  jQuery(document).ready(function(){
     $("#grade option[value='<CFOUTPUT>#FORM.Grade#</CFOUTPUT>']")
      .attr('selected','selected');
  });
</script>

<selectid="grade"name="grade">
  <optionvalue="A">A</option>
  <optionvalue="B">B</option> 
  <optionvalue="C">C</option> 
  <optionvalue="D">D</option> 
  <optionvalue="F">F</option>
</select>