项目简介展开更多信息不超过一定内容不显示

app/views/layouts/base_projects.html.erb

@@ -182,12 +182,12 @@
                   <div class="project_intro">
                     <div id="course_description" class="course_description">
                         <h4 ><%= l(:label_project_overview)%>：</h4>
-                        <div id="course_description_content  break_word">
+                        <div id="course_description_content" class="break_word">
                             <%= textilizable(@project.description) if @project.description && !@project.description.blank? %>
                         </div>
                     </div>
                     <div class="lg-foot" id="lg-foot" onclick="show_more_msg();">
-                        <label id="expend_more_information"  value="<%= l(:label_expend_information)%>"><%= l(:label_expend_information)%></label>
+                        <label id="expend_more_information"  value="show_more"><%= l(:label_expend_information)%></label>
                         <span class="g-arr-down">
                             <img id="arrow" src="/images/jiantou.jpg" width="12" height="6" />
                         </span>

public/javascripts/project.js

@@ -47,14 +47,14 @@ function show_more_msg() {
     var information = $("#expend_more_information");
     var arrow = $("#arrow");
     var val = information.attr("value");
-    if (val == "展开更多信息") {
+    if (val == "show_more") {
         $("#expend_more_information").text("收起描述信息");
-        information.attr("value", "收起描述信息");
+        information.attr("value", "hide_more");
         arrow.attr("src", "/images/jiantouup.jpg")
     }
     else {
         $("#expend_more_information").text("展开更多信息");
-        information.attr("value", "展开更多信息");
+        information.attr("value", "show_more");
         arrow.attr("src", "/images/jiantou.jpg")
     }
 }

public/stylesheets/pleft.css

@@ -50,7 +50,7 @@ a:hover.subnav_green{ background:#14ad5a;}
 .project_intro{ width:220px; padding:10px; background:#fff; margin-top:10px; padding-top:5px; color:#6d6d6d; line-height:1.9;}
 .course_description{max-height: 112px;overflow:hidden; word-break: break-all;word-wrap: break-word;}
 .course_description_none{max-height: none;}
-.lg-foot{ border:1px solid #e8eef2; color: #929598; text-align:center; width:220px; height:23px; cursor:pointer;}
+.lg-foot{ border:1px solid #e8eef2; color: #929598; text-align:center; width:220px; height:23px; cursor:pointer;display: none;}
 .lg-foot:hover{ color:#787b7e; border:1px solid #d4d4d4;}
 /****标签(和资源库的tag样式一致)***/
 .project_Label{ width:220px; padding:10px; background:#fff; margin-top:10px;  padding-top:5px; margin-bottom:10px;}