需求：

        标签icon自定义添加显示及标签效果关闭

期望效果：

 标签效果     

标签关闭效果

 实现代码：

let decorateTest:vscode.TextEditorDecorationType ; 
const decorationsArray:vscode.DecorationOptions[] = [];
export function activate(context: vscode.ExtensionContext) { 
	decorateTest = vscode.window.createTextEditorDecorationType(
		{
			gutterIconPath:context.asAbsolutePath(path.join('pic','marks.png')),
			gutterIconSize:'16px 16px' 
		}
	); 
}
//标签添加 
function addIcon(context:vscode.ExtensionContext){
	const line = vscode.window.activeTextEditor?.selection.active.line;
	const lineNum = line ? line : 0;
	const edit = vscode.window.activeTextEditor;
	const rangeValue = new vscode.Range(new vscode.Position(lineNum,0),new vscode.Position(lineNum,0));
	const tt = {range:rangeValue,hoverMessage:'这是装饰器的提示语'};  
	decorationsArray.push(tt);  
	edit?.setDecorations( decorateTest,decorationsArray);  
}
//标签删除
function deleteIcon(context:vscode.ExtensionContext){
	const line = vscode.window.activeTextEditor?.selection.active.line;
	const lineNum = line ? line : 0; 
	const edit = vscode.window.activeTextEditor; 
	decorateTest.dispose();  
	edit?.setDecorations( decorateTest,decorationsArray);
}

你的打赏是对媛媛的认可支持，也是动力来源，感谢~~~~