How to run the go language code edited by vscode

Completion Lists (using gocode)
Signature Help (using godoc)
Snippets
Quick Info (using godef)
Goto Definition (using godef)
Find References (using guru)
File outline (using go-outline)
Workspace symbol search (using go-symbols)
Rename (using gorename)
Build-on-save (using go build and go test)
Lint-on-save (using golint or gometalinter)
Format (using goreturns or goimports or gofmt)
Generate unit tests squeleton (using gotests)
Add Imports (using gopkgs)
[partially implemented] Debugging (using delve)

{
// Go configuration
    // Run 'go build'/'go test -c' on save.
    "go.buildOnSave": true,
    // Flags to `go build`/`go test` used during build-on-save or running tests. (e.g. ['-ldflags="-s"'])
    "go.buildFlags": [],
    // Run Lint tool on save.
    "go.lintOnSave": true,
    // Specifies Lint tool name.
    "go.lintTool": "golint",
    // Flags to pass to Lint tool (e.g. ['-min_confidenc=.8'])
    "go.lintFlags": [],
    // Run 'go tool vet' on save.
    "go.vetOnSave": true,
    // Flags to pass to `go tool vet` (e.g. ['-all', '-shadow'])
    "go.vetFlags": [],
    // Pick 'gofmt', 'goimports' or 'goreturns' to run on format.
    "go.formatTool": "goreturns",
    // Flags to pass to format tool (e.g. ['-s'])
    "go.formatFlags": [],
    // Run the formatting tools with the -d flag
    "go.useDiffForFormatting": true,
    // Complete functions with their parameter signature
    "go.useCodeSnippetsOnFunctionSuggest": false,
    // Specifies the GOPATH to use when no environment variable is set.
    "go.gopath": "//home/chenjianhua/gocode",
    // Specifies the GOROOT to use when no environment variable is set.
    "go.goroot": "/usr/local/go",
    // Run formatting tool on save.
    "go.formatOnSave": true,
    // Run 'go test -coverprofile' on save
    "go.coverOnSave": false,
    // Specifies the timeout for go test in ParseDuration format.
    "go.testTimeout": "30s",
    // Enable gocode's autobuild feature
    "go.gocodeAutoBuild": true,
    // The Go build tags to use for all commands that support a `-tags '...'` argument
    "go.buildTags": "",
    // Environment variables that will passed to the process that runs the Go tests
    "go.testEnvVars": {},
    // Autocomplete members from unimported packages.
    "go.autocompleteUnimportedPackages": true
}