表模型中存在下划线的字段名时，使用 Swoft\Helper\StringHelper::camel() 转换 (swoft-cloud/…

…swoft-component#191)

db/src/Model.php

@@ -264,14 +264,25 @@ public function setAttrs(array $attrs)
      * @param array $attributes
      *
      * $attributes = [
-     *     'name' => $value
+     *     'userName' => $value
+     * ]
+     * or
+     * $attributes = [
+     *     'UserName' => $value
+     * ]
+     * or
+     * $attributes = [
+     *     'user_name' => $value
      * ]
      *
      * @return \Swoft\Db\Model
      */
     public function fill(array $attributes): self
     {
         foreach ($attributes as $name => $value) {
+            if (1 === preg_match('/_/', $name)) {
+                $name = StringHelper::camel($name);
+            }
             $methodName = sprintf('set%s', ucfirst($name));
             if (method_exists($this, $methodName)) {
                 $this->$methodName($value);