sth

application/admin/view/orders/configorder/edit.html

@@ -263,6 +263,15 @@
     </div>
 -->
 
+
+    <div class="form-group">
+        <label class="control-label col-xs-12 col-sm-2">{:__('预计利润')}:</label>
+        <div class="col-xs-12 col-sm-8">
+            <input id="c-performance" readonly  class="form-control"  type="number" value="{$row.performance|htmlentities}">
+        </div>
+    </div>
+
+
     <div class="form-group layer-footer">
         <label class="control-label col-xs-12 col-sm-2"></label>
         <div class="col-xs-12 col-sm-8">

public/assets/js/backend/orders/configorder.js

@@ -113,6 +113,31 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
         },
         edit: function () {
             Controller.api.bindevent();
+
+            // 浮点数转两位小数（避免精度问题）
+            function toFixedNum(num) {
+                return (Math.round((num + Number.EPSILON) * 100) / 100).toFixed(2);
+            }
+
+            // 利润计算函数
+            function calcProfit() {
+                var online = parseFloat($('#c-online_amount_last').val()) || 0;
+                var offline = parseFloat($('#c-offline_amount').val()) || 0;
+                var cost = parseFloat($('#c-cost').val()) || 0;
+                var material = parseFloat($('#c-material_cost').val()) || 0;
+
+                var profit = online + offline - cost - material;
+
+                $('#c-performance').val(toFixedNum(profit));
+            }
+
+            // 监听字段变化，实时计算利润
+            $('#c-online_amount_last, #c-offline_amount, #c-cost, #c-material_cost').on('input', function () {
+                calcProfit();
+            });
+
+            // 页面加载时自动计算一次利润，避免空白
+            calcProfit();
         },
         api: {
             bindevent: function () {