[转]利用jQuery选中下拉框，复选框，单选按钮

<script>
$(function(){
$('#ym').val(['1980','1971','1973']); //选中多选下拉框
$('#ys').val(['1971']); //选中下拉(框单选)
$('input[name="g[]"]').val(['3']); //选中radio
$('input[name="fav[]"]').val(['3','0','2']); //选中checkbox
});
</script>

<select id="ym" name="ym" multiple="multiple" style="height:200px;">
<option value="1970">1970</option>
<option value="1971">1971</option>
<option value="1972">1972</option>
<option value="1973">1973</option>
<option value="1974">1974</option>
<option value="1975">1975</option>
<option value="1976">1976</option>
<option value="1977">1977</option>
<option value="1978">1978</option>
<option value="1979">1979</option>
<option value="1980">1980</option>
</select>

<select id="ys" name="ys">
<option value="1970">1970</option>
<option value="1971">1971</option>
<option value="1972">1972</option>
<option value="1973">1973</option>
<option value="1974">1974</option>
<option value="1975">1975</option>
<option value="1976">1976</option>
<option value="1977">1977</option>
<option value="1978">1978</option>
<option value="1979">1979</option>
<option value="1980">1980</option>
</select>

<input type="radio" name="g[]" value="0" />0
<input type="radio" name="g[]" value="1" />1
<input type="radio" name="g[]" value="2" />2
<input type="radio" name="g[]" value="3" />3
<input type="radio" name="g[]" value="4" />4
<input type="radio" name="g[]" value="5" />5

<input type="checkbox" name="fav[]" value="0" />0
<input type="checkbox" name="fav[]" value="1" />1
<input type="checkbox" name="fav[]" value="2" />2
<input type="checkbox" name="fav[]" value="3" />3
<input type="checkbox" name="fav[]" value="4" />4