没有pidField的表也可以做只有一层的树形

assets/css/tpextbuilder.css

@@ -426,7 +426,7 @@ form label.full-label {
 }
 
 .panel-body.page-main {
-    padding: 15px 8px;
+    padding: 10px 8px;
 }
 
 .table-hover>tbody>tr.checked:hover {

src/tree/JSTree.php

@@ -91,6 +91,13 @@ class JSTree extends Widget implements Renderable
      */
     public function fill($treeData, $textField = 'name', $idField = 'id', $pidField = 'parent_id', $rootText = '全部')
     {
+        if (empty($idField)) {
+            $idField = 'id';
+        }
+        if (empty($pidField)) {
+            $pidField = 'parent_id';
+        }
+
         $tree = [];
 
         if ($rootText == '全部') {
@@ -114,6 +121,10 @@ class JSTree extends Widget implements Renderable
 
         foreach ($treeData as $k => $li) {
 
+            if (!isset($li[$pidField])) {
+                $li[$pidField] = $li['pid'] ?? 0;
+            }
+
             if ($li[$pidField] !== 0 && $li[$pidField] !== '') {
                 continue;
             }

src/tree/ZTree.php

@@ -110,6 +110,13 @@ class ZTree extends Widget implements Renderable
      */
     public function fill($treeData, $textField = 'name', $idField = 'id', $pidField = 'parent_id', $rootText = '全部')
     {
+        if (empty($idField)) {
+            $idField = 'id';
+        }
+        if (empty($pidField)) {
+            $pidField = 'parent_id';
+        }
+
         $tree = [];
 
         if ($rootText == '全部') {
@@ -130,6 +137,10 @@ class ZTree extends Widget implements Renderable
 
         foreach ($treeData as $li) {
 
+            if (!isset($li[$pidField])) {
+                $li[$pidField] = $li['pid'] ?? 0;
+            }
+
             if (empty($idField)) {
                 $idField = $li->getPk();
             }
@@ -159,7 +170,7 @@ class ZTree extends Widget implements Renderable
 
                 $tree[] = [
                     'id' => $li[$idField],
-                    'pId' => $li[$pidField] ?? $li['pid'],
+                    'pId' => $li[$pidField],
                     'name' => str_replace($keys, $replace, $textField),
                 ];
             } else {