添加电阻箱

src/elements.ts

@@ -7,6 +7,7 @@ import inductor from './circuit-ele/inductor.png'
 import lightBulb from './circuit-ele/light_bulb.png'
 import lightBulbGrow from './circuit-ele/light_bulb_grow.png'
 import resistor from './circuit-ele/resistor.png'
+import resistanceBox from './circuit-ele/resistance_box.png'
 import switchOff from './circuit-ele/switch_off.png'
 import switchOn from './circuit-ele/switch_on.png'
 import meter from './circuit-ele/meter.png'
@@ -161,6 +162,19 @@ export const elements: CircuitElement[] = [
             { key: 'resistance', label: '电阻', type: 'number', unit: 'Ω', default: 5 },
         ],
     },
+    {
+        key: 'resistance_box',
+        name: '电阻箱',
+        url: resistanceBox,
+        defaultSize: 180,
+        connectionPoints: [
+            { x: 0.1, y: 1, name: 'A' },
+            { x: 0.9, y: 1, name: 'B' },
+        ],
+        propertySchemas: [
+            { key: 'resistance', label: '电阻', type: 'number', unit: 'Ω', default: 100 },
+        ],
+    },
     {
         key: 'meter',
         name: '表',