增加公交线路和编码功能

public/static/js/config.js

@@ -172,15 +172,33 @@ function onFieldCheckboxChange(cb) {
     const item = cb.closest('.checkbox-item');
     if (item) item.classList.toggle('checked', cb.checked);
 
+    // 获取当前已选字段的顺序（从字段顺序列表中获取）
+    const currentOrder = getSelectedFieldsOrder();
+    
+    // 获取所有勾选的字段
     const fieldsList = document.getElementById('field-list');
-    const checkedFields = Array.from(fieldsList.querySelectorAll('input:checked')).map(c => c.value);
+    const allCheckedFields = Array.from(fieldsList.querySelectorAll('input:checked')).map(c => c.value);
+    
+    // 构建新的字段顺序：保留当前顺序，添加新勾选的字段，移除取消勾选的字段
+    let newOrder = [];
+    for (const fieldKey of currentOrder) {
+        if (allCheckedFields.includes(fieldKey)) {
+            newOrder.push(fieldKey);
+        }
+    }
+    // 添加新勾选的字段（不在当前顺序中的）
+    for (const fieldKey of allCheckedFields) {
+        if (!newOrder.includes(fieldKey)) {
+            newOrder.push(fieldKey);
+        }
+    }
     
     // 保留当前求和字段的选择状态
     const sumFieldsList = document.getElementById('sum-fields-list');
     const currentSumFields = sumFieldsList ? Array.from(sumFieldsList.querySelectorAll('input:checked')).map(c => c.value) : [];
     
-    refreshSumFieldsList(checkedFields, currentSumFields);
-    refreshSelectedFieldsOrder(checkedFields);
+    refreshSumFieldsList(newOrder, currentSumFields);
+    refreshSelectedFieldsOrder(newOrder);
 }
 
 // 刷新已选字段顺序列表