refactor(curd): optimize relation binding and code generation

- Move relation binding logic from model constructor to controller
- Generate controller code for binding select fields-Remove unnecessary code and templates
- Improve code readability and maintainability

app/common/command/Curd.php

@@ -168,6 +168,12 @@ class Curd extends Command
                     }
                 }
             }
+            if (PHP_SAPI == 'cli') {
+                $output->info(">>>>>>>>>>>>>>>");
+                $output->info('执行成功');
+            }else {
+                $output->writeln('执行成功');
+            }
         }catch (\Exception $e) {
             if (PHP_SAPI == 'cli')
                 CliEcho::error($e->getMessage());