Oblio

<input id="embed-code" size="60" />
<h3>Select size:</h3>
<ul id="embed-size-options">
    <li><a href="#" data-width="640" data-height="480" class="selected">640x480</a></li>
    <li><a href="#" data-width="800" data-height="600">800x600</a></li>
    <li><a href="#" data-width="1024" data-height="768">1024x768</a></li>
</ul>

<h3>Select color:</h3>
<ul id="embed-color-options">
    <li><a href="#" data-color="#ff0000" class="selected">red</a></li>
    <li><a href="#" data-color="#00ff00">green</a></li>
    <li><a href="#" data-color="#0000ff">blue</a></li>
</ul>

<script src="jquery-1.4.2.min.js"></script>
<script src="sprintf-0.6.js"></script>
<script>
    $(function() {
        var $embed_code = $('#embed-code'),
            $embed_size_options = $('#embed-size-options'),
            $embed_color_options = $('#embed-color-options'),
            $selected_size = $embed_size_options.find('a.selected').eq(0),
            $selected_color = $embed_color_options.find('a.selected').eq(0),
            code_tpl = 'current width %s and height %s and color %s';
        if (!$selected_size) {
            $selected_size = $embed_size_options.find('a').eq(0).addClass('selected');
        }
        if (!$selected_color) {
            $selected_color = $embed_color_options.find('a').eq(0).addClass('selected');
        }
        generate_embed_code();

        $embed_size_options.find('a').click(function() {
            $selected_size.removeClass('selected');
            $selected_size = $(this).addClass('selected');
            generate_embed_code();
            return false;
        });
        $embed_color_options.find('a').click(function() {
            $selected_color.removeClass('selected');
            $selected_color = $(this).addClass('selected');
            generate_embed_code();
            return false;
        });
        function generate_embed_code() {
            $embed_code.val(sprintf(code_tpl, $selected_size.attr('data-width'), $selected_size.attr('data-height'), $selected_color.attr('data-color')));
        }
    });
</script>

这就是你想要的吗?

(我用过 this JavaScript sprintf() implementation 生成嵌入代码)