some update for splitLine

Author: inhere

examples/Controllers/HomeController.php

@@ -324,10 +324,12 @@ public function titleCommand()
      */
     public function splitLineCommand()
     {
+        $this->output->splitLine('', '=', $this->input->getSameOpt(['w', 'width'], 0));
         $this->output->splitLine('split Line', '-', $this->input->getSameOpt(['w', 'width'], 0));
 
         $this->output->splitLine('split 中文 Line', '-', $this->input->getSameOpt(['w', 'width'], 0));
 
+
         return 0;
     }
 
@@ -357,13 +359,17 @@ public function panelCommand()
         $data = [
             'application version' => '1.2.0',
             'system version' => '5.2.3',
-            'see help' => 'please use php bin/app -h',
+            'key' => 'value ...',
             'a only value message text',
         ];
 
         Show::panel($data, 'panel show', [
             'borderChar' => '*'
         ]);
+
+        Show::panel($data, 'panel show', [
+            'borderChar' => '='
+        ]);
     }
 
     /**

src/Utils/Show.php

@@ -188,17 +188,23 @@ public static function __callStatic($method, array $args = [])
      * @param string $title
      * @param string $char
      * @param int $width
+     * @return int
      */
     public static function splitLine(string $title, string $char = '-', int $width = 0)
     {
         if ($width <= 0) {
             list($width,) = CliUtil::getScreenSize();
+            $width -= 2;
+        }
+
+        if (!$title) {
+            return self::write(str_repeat($char, $width));
         }
 
-        $strLen = ceil(($width - Helper::strLen($title) + 2) / 2);
+        $strLen = ceil(($width - Helper::strLen($title) - 2) / 2);
         $padStr = $strLen > 0 ? str_repeat($char, $strLen) : '';
 
-        self::write($padStr . ' ' . ucwords($title) . ' ' . $padStr);
+        return self::write($padStr . ' ' . ucwords($title) . ' ' . $padStr);
     }
 
     /**