找到node_modules/angular-cli/lib/config/schema.json
default值就是默认的端口
"serve": {
"description": "Properties to be passed to the serve command",
"type": "object",
"properties": {
"port": {
"description": "The port the application will be served on",
"type": "number",
"default": 4200
},
"host": {
"description": "The host the application will be served on",
"type": "string",
"default": "localhost"
}
}
}
}
也可以通过命令行方式修改，如：
ng serve --port 4201
