问题描述
我还是Rust的新秀。
我尝试在某些柴油模型中使用NaiveDateTime。
因此,我尝试像这样将chrono作为外部箱子导入:
src / db / models.rs
extern crate diesel;
extern crate chrono;
use diesel::{sql_types};
use chrono;
// model implementations follow below ...
can't find crate for `chrono`: can't find crate
chrono被宣布为柴油机功能。我的Cargo.toml看起来像这样:
[package]
name = "backend"
version = "0.1.0"
authors = ["My Name <my@emai.l>"]
edition = "2018"
[dependencies]
actix-web="3"
diesel= { version = "1.4.5",features = ["MysqL","chrono"] }
dotenv= { version = "0.15.0" }
[[bin]]
name = "main"
path = "src/main.rs"
我在做什么错了?
解决方法
您需要自行安装chrono
。
[dependencies]
actix-web = "3"
chrono = "0.4"
diesel = { version = "1.4.5",features = ["mysql","chrono"] }
dotenv = { version = "0.15.0" }
在chrono
上添加diesel
功能只会使diesel
依赖于chrono
进行编译,并通过粘合代码对其进行集成。但是,要在您自己的板条箱中使用chrono
,您仍然必须在Cargo.toml
中对其进行声明。