[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