sublime中浏览器快捷键绑定

[
//默认 
{ "keys": ["ctrl+f12"], "command": "open_in_browser" },
//ie
{
"keys": ["f1"],
"command": "side_bar_files_open_with",
"args": {
"paths": [],
"application": " C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe",
"extensions": ".*"
}
},
//chorme
{
"keys": ["f12"],
"command": "side_bar_files_open_with",
"args": {
"paths": [],
"application": "D:\\Program Files\\Google\\Chrome\\Application\\chrome.exe",
"extensions": ".*"
}
},
//FF
{
"keys": ["alt+f12"],
"command": "side_bar_files_open_with",
"args": {
"paths": [],
"application": "D:\\Program Files\\Mozilla Firefox\\firefox.exe",
"extensions": ".*"
}
} 
]