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				@@ -78,10 +78,12 @@ $(function () { 
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				             {label: '订单号', name: 'orderSn', index: 'order_sn', width: 100, align: 'center'}, 
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				             {label: '会员', name: 'userName', index: 'user_name', width: 80, align: 'center'}, 
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				             {label: '商户订单号', name: 'merchOrderSn', index: 'merchOrderSn', width: 100, align: 'center'}, 
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				-            {label: '优惠券使用', name: 'activityId', index: 'activity_id', width: 70, align: 'center', 
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				+            {label: '优惠券使用', name: 'couponName', index: 'couponName', width: 70, align: 'center', 
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				                 formatter: function (value) { 
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				-                    if (value == null) { 
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				+                    if (value == null || value == '') { 
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				                         return '<span style="color: red">未使用</span>'; 
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				+                    }else{ 
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				+                        return '<span style="color: red">'+value+'</span>'; 
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				                     } 
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				                     return value; 
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				                 }}, 
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