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我試圖用鳳凰框架,MongoDB的數據庫,所以我運行下面的命令即可開始如何使用Mongodb工作Phoenix Framework?
mix phoenix.new helloworld --database mongodb
我mix.exs
文件看起來像這樣:
defp deps do
[{:phoenix, "~> 1.2.1"},
{:phoenix_pubsub, "~> 1.0"},
{:phoenix_ecto, "~> 3.0"},
{:mongodb_ecto, ">= 0.0.0"},
{:phoenix_html, "~> 2.6"},
{:phoenix_live_reload, "~> 1.0", only: :dev},
{:gettext, "~> 0.11"},
{:cowboy, "~> 1.0"}]
end
但是當我運行mix deps.get
,我得到以下錯誤:
Failed to use "ecto" (versions 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4) because
mongodb_ecto (versions 0.1.0 to 0.1.2) requires ~> 1.0
phoenix_ecto (version 3.0.1) requires ~> 2.0
Failed to use "ecto" (versions 2.0.0-beta.0 to 2.0.6) because
mongodb_ecto (versions 0.1.0 to 0.1.2) requires ~> 1.0
phoenix_ecto (version 3.0.0) requires ~> 2.0.0-rc
Failed to use "ecto" (version 2.0.6) because
mongodb_ecto (versions 0.1.3 to 0.1.5) requires ~> 1.0.0
phoenix_ecto (version 3.0.0) requires ~> 2.0.0-rc
Failed to use "ecto" (versions 2.1.0 to 2.1.4) because
mongodb_ecto (versions 0.1.0 to 0.1.2) requires ~> 1.0
phoenix_ecto (versions 3.1.0 to 3.2.3) requires ~> 2.1
Failed to use "ecto" (version 2.1.4) because
mongodb_ecto (versions 0.1.3 to 0.1.5) requires ~> 1.0.0
phoenix_ecto (version 3.0.1) requires ~> 2.0
Failed to use "ecto" (version 2.1.4) because
mongodb_ecto (versions 0.1.3 to 0.1.5) requires ~> 1.0.0
phoenix_ecto (versions 3.1.0 to 3.2.3) requires ~> 2.1
** (Mix) Hex dependency resolution failed, relax the version requirements of your dependencies or unlock them (by using mix deps.update or mix deps.unlock). If you are unable to resolve the conflicts you can try overriding with {:dependency, "~> 1.0", override: true}
我該如何開始?
如果我降低Ecto 2.0以下有什麼弊端? –
您將失去大量新功能,並且很有可能該應用程序可能無法正確使用與Ecto一起工作的其他庫的最新版本。參見[Ecto's Changelog](https://github.com/elixir-ecto/ecto/blob/master/CHANGELOG.md)。 – Sheharyar