Question

当用户点击按钮时，我想要执行两种不同的方法。我让他们分开工作，但当我尝试将两者结合起来时，我得到了错误。我目前的两个是

                <%= image_tag('go_button.png',
                :id => "search_go_button",
                :class => "search_go_button",
                :onmouseover => "this.style.cursor='pointer';",
                :onmouseout => "this.style.cursor='default';",
                :onclick => "if ($(\"input_search_field\").value!=\"\" && $(\"input_search_field\").value!=\"Search Places\") {#{
                remote_function(:update => "right_nav;",
                :url => { :action => :search_places },
                :with => "'search_text='+$('input_search_field').value+'&search_radius='+$('radius').innerHTML",
                :before => "Element.show('search_spinner'); Element.hide('search_go_button');",
                :success => "Element.hide('search_spinner'); Element.show('search_go_button');")
                }}") %>

和

    :onclick => "collapse_reset(this); new Ajax.Request('/places/search/#{cat.id}?search_radius='+$('radius').innerHTML,{asynchronous:true, evalScripts:true}); {#{remote_function(
              :update => "localads;", 
              :url => { :action => :get_ads, 
                        :id => cat.id }, 
              :before => "Element.show('ad_search_spinner'); Element.show('ad_search_spinner1'); Element.show('ad_search_spinner2'); Element.hide('ad1'); Element.hide('ad2'); Element.hide('ad3'); if($('ad1_slide_down_wrap').style.display != 'none'){$('ad1_slide_down_wrap').style.display = 'none';} if($('ad2_slide_down_wrap').style.display != 'none'){$('ad2_slide_down_wrap').style.display = 'none';} if($('ad3_slide_down_wrap').style.display != 'none'){$('ad3_slide_down_wrap').style.display = 'none';}", 
              :success => "Element.hide('ad_search_spinner'); Element.hide('ad_search_spinner1'); Element.hide('ad_search_spinner2'); Element.show('ad1'); Element.show('ad2'); Element.show('ad3');") }}", 
              :href => "/places/navigate/#{cat.id}" } %>

我基本上想要将功能从底部添加到顶部。任何帮助将不胜感激。

Answer 1

本着UJS的精神（即使你没有在这里提供非javascript功能，你可以从jb中分离javascript），我会使用Low Pro并将它们设置为行为。您需要先下载并包含lowpro.js文件。

在.erb中，您只需拥有图片标记：

<%= image_tag('go_button.png', 
              :id => "search_go_button", 
              :class => "search_go_button") %>

在包含的.js文件中，您可能会遇到以下情况：

Event.addBehavior({
  '#search_go_button:click' : function(e) {
    // stuff you want to have happen in response to a click
  },

  '#search_go_button:mouseover' : function(e) {
    // stuff you want to have happen in response to a mouseover
  },

  '#search_go_button:mouseout' : function(e) {
    // stuff you want to have happen in response to a mouseout
  }

});

我们将此用于所有行为，并使代码更易于使用和管理。

如果您需要帮助整理AJAX调用，请发表评论。

Answer 2

一种（快速）方法是尝试封装这样的函数：

<script type="text/javascript">
function f1() {
if ($(\"input_search_field\").value!=\"\" && $(\"input_search_field\").value!=\"Search Places\") {#{
            <%= remote_function(:update => "right_nav;",
            :url => { :action => :search_places },
            :with => "'search_text='+$('input_search_field').value+'&search_radius='+$('radius').innerHTML",
            :before => "Element.show('search_spinner'); Element.hide('search_go_button');",
            :success => "Element.hide('search_spinner'); Element.show('search_go_button');")
            }} %>

}
function f2() {
    collapse_reset(this); new Ajax.Request('/places/search/#{cat.id}?search_radius='+$('radius').innerHTML,{asynchronous:true, evalScripts:true}); {#{ <%= remote_function(
          :update => "localads;", 
          :url => { :action => :get_ads, 
                    :id => cat.id }, 
          :before => "Element.show('ad_search_spinner'); Element.show('ad_search_spinner1'); Element.show('ad_search_spinner2'); Element.hide('ad1'); Element.hide('ad2'); Element.hide('ad3'); if($('ad1_slide_down_wrap').style.display != 'none'){$('ad1_slide_down_wrap').style.display = 'none';} if($('ad2_slide_down_wrap').style.display != 'none'){$('ad2_slide_down_wrap').style.display = 'none';} if($('ad3_slide_down_wrap').style.display != 'none'){$('ad3_slide_down_wrap').style.display = 'none';}", 
          :success => "Element.hide('ad_search_spinner'); Element.hide('ad_search_spinner1'); Element.hide('ad_search_spinner2'); Element.show('ad1'); Element.show('ad2'); Element.show('ad3');") }}", 
          :href => "/places/navigate/#{cat.id}" } %>
</script>

和

 <%= image_tag('go_button.png',
            :id => "search_go_button",
            :class => "search_go_button",
            :onmouseover => "this.style.cursor='pointer';",
            :onmouseout => "this.style.cursor='default';",
            :onclick => "f1();f2();" %>

也许您需要将变量传递给函数，但这应该可行

RoR：单个上的多个remote_function调用：onclick

2 个答案: