socialforge/app/views/courses/new_homework.html.erb

<script type="text/javascript">
    function regexName()
    {
        var name = $.trim($("#bid_name").val());

        if(name=="")
        {
            $("#bid_name_span").text("名称不能为空");
            $("#bid_name_span").css('color','#ff0000');
            return false;
        }
        else
        {
            $("#bid_name_span").text("填写正确");
            $("#bid_name_span").css('color','#008000');
            return true;
        }
    }
    function regexDeadLine()
    {
        var deadline = $.trim($("#bid_deadline").val());
        var regex = /^\d{4}-\d{2}-\d{2}$/;
        if(deadline=="")
        {
            $("#bid_deadline_span").text("截止日期不能为空");
            $("#bid_deadline_span").css('color','#ff0000');
            return false;
        }
        else if(regex.test(deadline))
        {
            $("#bid_deadline_span").text("填写正确");
            $("#bid_deadline_span").css('color','#008000');
            return true;
        }
        else
        {
            $("#bid_deadline_span").text("截止日期格式错误");
            $("#bid_deadline_span").css('color','#ff0000');
            return false;
        }
    }
    function regexEvaluationNum()
    {
        var evaluation_num = $.trim($("#bid_evaluation_num").val());
        var regex = /^\d+$/;
        if(evaluation_num=="")
        {
            $("#bid_evaluation_num_span").text("匿评分配数量不能为空");
            $("#bid_evaluation_num_span").css('color','#ff0000');
            return false;
        }
        else if(regex.test(evaluation_num))
        {
            if(evaluation_num > 0)
            {
                $("#bid_evaluation_num_span").text("填写正确");
                $("#bid_evaluation_num_span").css('color','#008000');
                return true;
            }
            else
            {
                $("#bid_evaluation_num_span").text("匿评分配数量必须为大于0");
                $("#bid_evaluation_num_span").css('color','#ff0000');
                return false;
            }
        }
        else
        {
            $("#bid_evaluation_num_span").text("匿评分配数量只能为数字");
            $("#bid_evaluation_num_span").css('color','#ff0000');
            return false;
        }
    }

    function submitHomework()
    {
        if(regexDeadLine()&&regexName()&&regexEvaluationNum())
        {
            $("#new_bid").submit();
        }
    }
</script>

<h3><%=l(:label_course_new_homework)%></h3>

<%= labelled_form_for @homework, :url => {:controller => 'bids', :action => 'create_homework',:course_id => "#{params[:id] || params[:course_id]}"} do |f| %>
<div class="box tabular">
	<%= render :partial => 'homework_form', :locals => { :f => f } %>
    <input type="button" onclick="submitHomework();" value="<%= l(:button_create)%>" class="enterprise">
	<%= javascript_tag "$('#bid_name').focus();" %>
	<% end %>
</div>