{ "key": "tab", "command": "-acceptSelectedSuggestion"},//去掉tab的同样的功能
{ "key": "tab", "command": "selectNextSuggestion",
"when": "editorTextFocus && suggestWidgetMultipleSuggestions && suggestWidgetVisible" }//设置tab为选择下个补全建议
]
when后面的command适用条件具体是啥参考以下
https://code.visualstudio.com/docs/customization/keybindings
的