下载文件错误后不生成优化页面

application/third_party/htmlcompressor/controllers/index.php

@@ -41,7 +41,13 @@ class Index extends CI_Controller {
             }
             //print_r($link_css_array);
             foreach ($link_css_array as $item) {
-                $css_content.= GET_HTTP($this->format_url($item, $websitehost));
+                $get_http_temp = GET_HTTP($this->format_url($item, $websitehost));
+                if ($get_http_temp == false) {
+                    $this->output->set_status_header(404);
+                    echo 'CSS文件下载错误';
+                    return FALSE;
+                }
+                $css_content.=$get_http_temp;
             }
             foreach ($html_object->find('style') as $style_css) {
                 if ($style_css->type == "text/css") {
@@ -75,7 +81,13 @@ class Index extends CI_Controller {
 
             $js_scr_content = '';
             foreach ($link_js_array as $item) {
-                $js_scr_content.= GET_HTTP($this->format_url($item, $websitehost));
+                $get_http_temp = GET_HTTP($this->format_url($item, $websitehost));
+                if ($get_http_temp == false) {
+                    $this->output->set_status_header(404);
+                    echo 'JS文件下载错误';
+                    return FALSE;
+                }
+                $js_scr_content.=$get_http_temp;
             }
             //echo $js_content;
             //把网页内容和css提交到purifycss处理
@@ -83,7 +95,6 @@ class Index extends CI_Controller {
             if (empty($optimize_css)) {
                 $this->output->set_status_header(500);
                 echo 'css精简错误';
-                echo '<!-- ' . $css_content . ' -->';
                 return FALSE;
             }