编辑器支持直接粘贴QQ截屏

lib/rails_kindeditor/lib/rails_kindeditor/helper.rb

@@ -55,7 +55,7 @@ module RailsKindeditor
         }"
       else
         "KindEditor.ready(function(K){
-        	#{editor_id}K.create('##{dom_id}', #{get_options(options).to_json});
+        	#{editor_id}K.create('##{dom_id}', #{get_options(options).to_json}).loadPlugin('paste');
         });"
       end
     end
@@ -101,4 +101,4 @@ module RailsKindeditor
       @template.send("kindeditor", @object_name, method, objectify_options(options))
     end
   end
-end
+end

public/assets/kindeditor/plugins/paste/paste.js

@@ -0,0 +1,37 @@
+KindEditor.plugin('paste', function(K) {
+    var editor = this,
+        name = 'paste';
+    var contentWindow = document.getElementsByTagName('iframe')[0].contentWindow;
+    contentWindow.document.getElementsByTagName('body')[0].onpaste = function(event) {
+        // use event.originalEvent.clipboard for newer chrome versions
+        var items = (event.clipboardData || event.originalEvent.clipboardData).items;
+        console.log(JSON.stringify(items)); // will give you the mime types
+        // find pasted image among pasted items
+        var blob = null;
+        for (var i = 0; i < items.length; i++) {
+            if (items[i].type.indexOf("image") === 0) {
+                blob = items[i].getAsFile();
+            }
+        }
+        // load image if there is a pasted image
+        if (blob !== null) {
+            var reader = new FileReader();
+            reader.onload = function(event) {
+                console.log(event.target.result); // data url!
+                var data = new FormData();
+                data.append("imgFile", blob, "imageFilename.png");
+                $.ajax({
+                    url: '/kindeditor/upload?dir=image',
+                    contentType: false,
+                    type: 'POST',
+                    data: data,
+                    processData: false,
+                    success: function(data) {
+                        editor.exec('insertimage', JSON.parse(data).url);
+                    }
+                });
+            };
+            reader.readAsDataURL(blob);
+        }
+    }
+});