url替换方法支持锚点，下单确认页面业务选择自动定位锚点

app/index/view/default/buy/index.html

@@ -47,7 +47,7 @@
 
         <!-- 销售+自提 -->
         {{if $common_site_type eq 4}}
-            <div data-am-widget="tabs" class="am-tabs am-tabs-d2 buy-header-nav">
+            <div id="buy-items-tabs" data-am-widget="tabs" class="am-tabs am-tabs-d2 buy-header-nav">
                 <ul class="am-tabs-nav am-cf">
                     <li {{if isset($base['site_model']) and $base['site_model'] eq 0}}class="am-active"{{/if}}><a href="javascript:;" data-value="0">快递邮寄</a></li>
                     <li {{if isset($base['site_model']) and $base['site_model'] eq 2}}class="am-active"{{/if}}><a href="javascript:;" data-value="2">自提点取货</a></li>
@@ -57,7 +57,7 @@
 
         <!-- 快递 - 用户地址 -->
         {{if isset($base['site_model']) and $base['site_model'] eq 0}}
-            <div class="address user-address-container">
+            <div id="buy-items-address" class="address user-address-container">
                 <div class="control">
                     <h3>
                         确认收货地址
@@ -118,7 +118,7 @@
 
         <!-- 自提点 - 自提地址 -->
         {{if isset($base['site_model']) and $base['site_model'] eq 2}}
-            <div class="address extraction-address-container">
+            <div id="buy-items-address" class="address extraction-address-container">
                 <div class="control">
                     <h3>确认自提点地址</h3>
                     {{if !empty($base['address'])}}
@@ -522,7 +522,7 @@
 
         <!-- 支付方式 -->
         {{if $base['actual_price'] gt 0 and $common_order_is_booking neq 1}}
-            <div class="buy-items business-item payment" data-field="payment_id">
+            <div id="buy-items-payment" class="buy-items business-item payment" data-field="payment_id">
                 <h3>选择支付</h3>
                 {{if !empty($payment_list)}}
                     <ul class="payment-list">

public/static/common/js/common.js

@@ -1508,20 +1508,30 @@ function FullscreenEscEvent()
  * @param   {[string]}        field [字段名称]
  * @param   {[string]}        value [字段值, null 则去除字段]
  * @param   {[string]}        url   [自定义url]
+ * @param   {[string]}        anchor[锚点、传入空字符串则表示去除已存在的锚点]
  */
-function UrlFieldReplace(field, value, url)
+function UrlFieldReplace(field, value, url = null, anchor = null)
 {
     // 当前页面url地址
     url = url || window.location.href;
 
     // 锚点
-    var anchor = '';
-    if(url.indexOf('#') >= 0)
+    if(url.indexOf('#') != -1)
     {
-        anchor = url.substr(url.indexOf('#'));
-        url = url.substr(0, url.indexOf('#'));
+    	var temp_url = url.split('#');
+        	url = temp_url[0];
+        // 未指定锚点则使用url自带的
+        if(temp_url.length > 1 && anchor === null)
+        {
+        	anchor = temp_url[1];
+        }
+    }
+    if((anchor || null) != null && anchor.indexOf('#') == -1)
+    {
+    	anchor = '#'+anchor;
     }
 
+    // 是否存在问号参数
     if(url.indexOf('?') >= 0)
     {
         var str = url.substr(0, url.lastIndexOf('.'+__seo_url_suffix__));

public/static/index/default/js/buy.js

@@ -17,7 +17,8 @@ $(function()
             if(store_address_use_status < $('ul.address-list li').length)
             {
                 store.set(store_use_new_address_status_key, undefined);
-                window.location.href = UrlFieldReplace('address_id', $('ul.address-list li:first').data('value'));
+                var anchor = $('.address').attr('id') || '';
+                window.location.href = UrlFieldReplace('address_id', $('ul.address-list li:first').data('value'), null, anchor);
             }
         }
     }
@@ -34,15 +35,16 @@ $(function()
                 e.stopPropagation();
             }
         } else {
-            // 底部地址同步
-            window.location.href = UrlFieldReplace('address_id', $(this).data('value'));
+            var anchor = $(this).parents('.address').attr('id') || '';
+            window.location.href = UrlFieldReplace('address_id', $(this).data('value'), null, anchor);
         }
     });
 
     // 手机模式下选择地址
     $('.address').on('click', 'ul.address-list li', function()
     {
-        window.location.href = UrlFieldReplace('address_id', $(this).data('value'));
+        var anchor = $(this).parents('.address').attr('id') || '';
+        window.location.href = UrlFieldReplace('address_id', $(this).data('value'), null, anchor);
     });
 
     // 手机模式下关闭地址选中
@@ -62,11 +64,13 @@ $(function()
     // 混合列表选择
     $('.business-item ul li').on('click', function()
     {
-        var field = $(this).parents('.business-item').data('field') || null;
+        var $parent = $(this).parents('.business-item');
+        var field = $parent.data('field') || null;
         var value = $(this).data('value') || null;
         if(field != null && value != null)
         {
-            window.location.href = UrlFieldReplace(field, value);
+            var anchor = $parent.attr('id') || '';
+            window.location.href = UrlFieldReplace(field, value, null, anchor);
         }
     });
 
@@ -125,7 +129,8 @@ $(function()
     $extraction_popup = $('#extraction-address-popup');
     $extraction_popup.find('.extraction-address-item button').on('click', function()
     {
-        window.location.href = UrlFieldReplace('address_id', $(this).data('value'));
+        var anchor = $(this).parents('.address').attr('id') || '';
+        window.location.href = UrlFieldReplace('address_id', $(this).data('value'), null, anchor);
     });
     $('.extraction-default .extraction-address-item').on('click', function(e)
     {
@@ -140,6 +145,7 @@ $(function()
     {
         var value = $(this).data('value') || 0;
         var url = UrlFieldReplace('address_id', null);
-        window.location.href = UrlFieldReplace('site_model', value, url);
+        var anchor = $(this).parents('.buy-header-nav').attr('id') || '';
+        window.location.href = UrlFieldReplace('site_model', value, url, anchor);
     });
 }); 
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