优化ctms-api语法、修复已知BUG；

主要修复ctms-api、dacms对PHP新版本的支持问题

dacms-api/views/layouts/msg.php

@@ -0,0 +1,32 @@
+<?php
+	
+	use yii\helpers\Html;
+	use yii\helpers\Url;
+	
+	$this->title = isset($title) ? $title : '提示';
+	$content = isset($content) ? $content : '';
+	$class = isset($class) ? $class : 'info';
+	$class = in_array($class, ['danger', 'warning', 'success', 'info']) ? $class : 'info';
+	$buttons = isset($buttons) ? $buttons : [['title' => '好的，我知道了', 'class' => 'primary', 'url' => FALSE]];
+
+?>
+<div class="site-index" style="text-align: center;width:80%;margin-left:10%;">
+    <div style="margin-top: 100px;">
+        <h1><?= Html::encode($this->title) ?></h1><br>
+    </div>
+    <div class="alert alert-<?php echo $class; ?> fade in" role="alert">
+		<?php echo $content; ?>
+    </div>
+	<?php foreach ($buttons as $btn) { ?>
+        <a <?php if ($btn['url']) { ?> href="<?php echo $btn['url']; ?>" <?php } ?>
+                class="btn btn-<?php if ($btn['class']) {
+					echo $btn['class'];
+				} else {
+					echo 'primary';
+				} ?>"><?php if ($btn['title']) {
+				echo $btn['title'];
+			} else {
+				echo '点击按钮';
+			} ?></a>
+	<?php } ?>
+</div>