update application/admin/command/Crud.php.

问题：删除模式时不需要强制读取数据表，如果在删除前已手动删除数据表，将抛出异常“table not found”导致删除失败



修复：增加删除模式判断，如果是删除模式，无需读取数据表

Signed-off-by: 苏小马 <179906767@qq.com>

application/admin/command/Crud.php

@@ -435,16 +435,19 @@ class Crud extends Command
         $modelName = $table = stripos($table, $prefix) === 0 ? substr($table, strlen($prefix)) : $table;
         $modelTableType = 'table';
         $modelTableTypeName = $modelTableName = $modelName;
-        $modelTableInfo = $dbconnect->query("SHOW TABLE STATUS LIKE '{$modelTableName}'", [], true);
-        if (!$modelTableInfo) {
-            $modelTableType = 'name';
-            $modelTableName = $prefix . $modelName;
+        $modelTableInfo = null;
+        if (!$input->getOption('delete')) {
             $modelTableInfo = $dbconnect->query("SHOW TABLE STATUS LIKE '{$modelTableName}'", [], true);
             if (!$modelTableInfo) {
-                throw new Exception("table not found");
+                $modelTableType = 'name';
+                $modelTableName = $prefix . $modelName;
+                $modelTableInfo = $dbconnect->query("SHOW TABLE STATUS LIKE '{$modelTableName}'", [], true);
+                if (!$modelTableInfo) {
+                    throw new Exception("table not found");
+                }
             }
+            $modelTableInfo = $modelTableInfo[0];
         }
-        $modelTableInfo = $modelTableInfo[0];
 
         $relations = [];
         //检查关联表
@@ -1081,7 +1084,7 @@ class Crud extends Command
             }
 
             //表注释
-            $tableComment = $modelTableInfo['Comment'];
+            $tableComment = $modelTableInfo ? $modelTableInfo['Comment'] : '';
             $tableComment = mb_substr($tableComment, -1) == '表' ? mb_substr($tableComment, 0, -1) . '管理' : $tableComment;
 
             $modelInit = '';