中国高校页面，下拉框修改

app/controllers/school_controller.rb

@@ -32,6 +32,19 @@ class SchoolController < ApplicationController
   def index
     
   end
+
+  def get_province
+    @provinces = School.find_by_sql("select distinct province from schools")
+
+    options = ""
+
+    @provinces.each do |p|
+      options << "<option value = '#{p.province}' >#{p.province}</option>"
+    end
+
+    render :text => options
+    
+  end
   
   def get_options
     @school = School.where("province = ?", params[:province])

app/views/school/index.html.erb

@@ -1,4 +1,22 @@
 <% port = ":3000" if Rails.env.development? %>
+
+<script type="text/javascript">
+	$(document).ready(function() {
+		$("#province").html("<option value='0' selected = true style='display: none;'></option>");
+
+		$.ajax({
+			type :"POST",
+			url :'/school/get_province',
+ 			data :'text',
+			success: function(data){
+				$("#province").append(data);
+			}
+		})
+
+
+	});	
+</script>
+
 <script type="text/javascript">
 	function get_school(value){
  		$.ajax({
@@ -50,9 +68,9 @@
 		<a href="http://course.trustie.net<%=port%>">我的学校</a>
 	</p>
 		<ul>
-			<li style="width: 40%; float: left">请选择省份:<%= select_tag "province", 
-				options_from_collection_for_select(School.find_by_sql("select distinct province from schools"), :province, :province), 
-				:onclick => "get_school(this.value)" %></li>
+			<li style="width: 40%; float: left">请选择省份:
+				<select id="province" name="province" onchange="get_school(this.value)"></select>
+			</li>
 			<li style="width: 50%; float: left"><input type="text" id="key_word" name="key_word" />
 				<input type="button" class="enterprise" value="搜索" onclick="ssearch()"></li>
 		</ul>

config/routes.rb

@@ -581,6 +581,9 @@ RedmineApp::Application.routes.draw do
   #######confusing########
   post 'school/get_options/:province', :to => 'school#get_options'
   get 'school/get_options/:province', :to => 'school#get_options'
+
+  post 'school/get_province', :to => 'school#get_province'
+  get 'school/get_province', :to => 'school#get_province'
   
   post 'school/get_schoollist/:province', :to => 'school#get_schoollist'
   get 'school/get_schoollist/:province', :to => 'school#get_schoollist'