修改代码

public/drawio/extention/js/exApp.js

@@ -24,13 +24,25 @@ const setIcon = function (itemIcon, dicys, color) {
 
 	const rectTag = svgDocument.getElementsByTagName('rect')[0];
 	const pathTag = svgDocument.getElementsByTagName('path')[0];
+	const ellipseTag = svgDocument.getElementsByTagName('ellipse')[0];
+
 	if(rectTag) {
-		rectTag.setAttribute('fill', color)
+		if(color) {
+			rectTag.setAttribute('fill', color)
+		}
 	}
 	if(pathTag) {
-		pathTag.setAttribute('fill', color)
+		if(color) {
+			pathTag.setAttribute('fill', color)
+		}
 	}
-	// svgTag.setAttribute('a_23a=', '测试');
+	if(ellipseTag) {
+		if(color) {
+			ellipseTag.setAttribute('fill', color)
+		}
+	}
+	svgTag.style.backgroundColor = 'transparent';
+	
 	// svgTag.setAttribute('a_123', 'a_123');
 
 	if(dicys && dicys.length > 0) {
@@ -114,6 +126,12 @@ const leftCustomGraph = function(that) {//左侧自定义图形
 					}
 				}
 			})
+			
+			// const icons = result.data[1].eleDtos[2].icon;
+			// const item_icon = icons.split("base64,")[1];
+			// const decode_item_icon = (window.atob) ? atob(item_icon) : Base64.decode(item_icon);//svg解码，为字符串
+			// const svgDocument = new DOMParser().parseFromString(decode_item_icon, 'text/xml');//svg字符串转标签
+			// console.log(svgDocument)
 		},
 		error: function(error) {
 			
@@ -137,6 +155,11 @@ const setGraphDefault = function(that) {
 //设置画布只能预览
 const setGraphOnlyView = function(graph) {
 	graph.setEnabled(false);
+	graph.setCellsEditable(false);
+	graph.setTooltips(false);
+  	graph.setCellsSelectable(false);
+  	graph.setConnectable(false);
+  	graph.setCellsMovable(false);
 	graph.getCursorForCell = function(cell){//预览时鼠标悬浮到节点时，改变鼠标样式  
 		if (cell != null && cell.value != null && cell.vertex ==1 )  
 		{  

public/drawio/js/diagramly/App.js

@@ -189,14 +189,8 @@ App = function(editor, container, lightbox)
 	leftCustomGraph(that);
 
 	// var graph = this.editor.graph;
-	// console.log(graph.setEnabled)
-	// graph.setEnabled(true);//设置画布只能预览
-	// graph.getCursorForCell = function(cell){//预览时鼠标悬浮到节点时，改变鼠标样式  
-	// 	if (cell != null && cell.value != null && cell.vertex ==1 )  
-	// 	{  
-	// 		   return 'pointer';  
-	// 	}  
-	// };  
+	// setGraphOnlyView(graph)
+
 	
 };