添加Metronic（作为LFS）

frontend/static/assets/admin/pages/scripts/form-fileupload.js

@@ -0,0 +1,59 @@
+var FormFileUpload = function () {
+
+
+    return {
+        //main function to initiate the module
+        init: function () {
+
+             // Initialize the jQuery File Upload widget:
+            $('#fileupload').fileupload({
+                disableImageResize: false,
+                autoUpload: false,
+                disableImageResize: /Android(?!.*Chrome)|Opera/.test(window.navigator.userAgent),
+                maxFileSize: 5000000,
+                acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i,
+                // Uncomment the following to send cross-domain cookies:
+                //xhrFields: {withCredentials: true},                
+            });
+
+            // Enable iframe cross-domain access via redirect option:
+            $('#fileupload').fileupload(
+                'option',
+                'redirect',
+                window.location.href.replace(
+                    /\/[^\/]*$/,
+                    '/cors/result.html?%s'
+                )
+            );
+
+            // Upload server status check for browsers with CORS support:
+            if ($.support.cors) {
+                $.ajax({
+                    type: 'HEAD'
+                }).fail(function () {
+                    $('<div class="alert alert-danger"/>')
+                        .text('Upload server currently unavailable - ' +
+                                new Date())
+                        .appendTo('#fileupload');
+                });
+            }
+
+            // Load & display existing files:
+            $('#fileupload').addClass('fileupload-processing');
+            $.ajax({
+                // Uncomment the following to send cross-domain cookies:
+                //xhrFields: {withCredentials: true},
+                url: $('#fileupload').fileupload('option', 'url'),
+                dataType: 'json',
+                context: $('#fileupload')[0]
+            }).always(function () {
+                $(this).removeClass('fileupload-processing');
+            }).done(function (result) {
+                $(this).fileupload('option', 'done')
+                .call(this, $.Event('done'), {result: result});
+            });
+        }
+
+    };
+
+}();