socialforge/app/views/praise_tread/_praise_tread.html.erb

<!-- get_praise_num(obj,1)函数中 1代表返回顶得次数 0返回踩的次数  -->
   <div id="praise_tread_<%= obj.id %>" style="float:right;">

		<% @is_valuate = is_praise_or_tread(obj,user_id)%>
		<% if @is_valuate.size > 0 %> <!-- 评价过   1代表赞 0代表踩 -->
		<% @flag = @is_valuate.first.praise_or_tread %>
		<% if  @flag == 1 %> <!-- 顶过  -->
		<table style="line-height: 1px">
			<tr>
				<td ><%= image_tag("/images/praise_tread/praise_true.png") %></td>
			</tr>
			<tr>
				<td align="center"><strong class="font_small_watch">+<%= get_praise_num(obj,1)%></strong></td>
			</tr>
		     
			<tr>
				<td><%= image_tag("/images/praise_tread/tread_false.png") %></td>
			</tr>
		</table>
		<% elsif @flag == 0 %> <!-- 踩过 0-->
		<table style="line-height: 1px">
			<tr>
				<td > <%= image_tag("/images/praise_tread/praise_false.png") %></td>
			</tr>
			
			<tr>
				<td align="center"><strong class="font_small_watch">-<%= get_praise_num(obj,0)%></strong></td>
			</tr>
			<tr>
				<td><%= image_tag("/images/praise_tread/tread_true.png") %> </td>
			</tr>
		</table>
		<% end %>

		<% else %>
		
		<table style="line-height: 1px">
			<tr>
				<td > <%= link_to image_tag("/images/praise_tread/praise_false.png"),
				:controller=>"praise_tread",:action=>"praise_plus",:remote=>true,:obj_id => obj.id,:obj_type => obj.class%> </td>
			</tr>
			<tr>
				<td align="center">+<strong class="font_small_watch"><%= get_praise_num(obj,1)%></strong></td>
			</tr>
			 <tr><td align="center">---</td></tr>
			<tr>
				<td align="center">-<strong class="font_small_watch"><%= get_praise_num(obj,0)%></strong></td>
			</tr>
			<tr>
				<td> <%= link_to image_tag("/images/praise_tread/tread_false.png"),:controller=>"praise_tread",
				:action=>"tread_plus",:remote=>true,:obj_id => obj.id,:obj_type => obj.class %></td>
			</tr>
		</table>

		<% end %>
</div>