修复bug

app/view/contract/col_set.ejs

@@ -68,10 +68,12 @@ const _initialColSetTbodyHtml = $tbody.html();
 
 // 更新上下移链接显示状态
 function updateMoveButtons() {
-    const $currentRows = $tbody.find('tr');
-    const totalRows = $currentRows.length;
+    const $movableRows = $tbody.find('tr').filter(function() {
+        return $(this).find('.move-up, .move-down').length > 0;
+    });
+    const totalRows = $movableRows.length;
 
-    $currentRows.each(function(index) {
+    $movableRows.each(function(index) {
         const $row = $(this);
         const $upLink = $row.find('.move-up');
         const $downLink = $row.find('.move-down');
@@ -114,7 +116,7 @@ $tbody.on('click', '.move-up', function(e) {
     const $currentRow = $(this).closest('tr');
     const $prevRow = $currentRow.prev('tr');
 
-    if ($prevRow.length) {
+    if ($prevRow.find('.move-up, .move-down').length) {
         $currentRow.insertBefore($prevRow);
         updateMoveButtons();
     }
@@ -125,7 +127,7 @@ $tbody.on('click', '.move-down', function(e) {
     const $currentRow = $(this).closest('tr');
     const $nextRow = $currentRow.next('tr');
 
-    if ($nextRow.length) {
+    if ($nextRow.find('.move-up, .move-down').length) {
         $currentRow.insertAfter($nextRow);
         updateMoveButtons();
     }