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简介

https://github.com/beego/beego

http://beego.gocn.vip/beego/zh/developing/

https://github.com/beego/beego-example

https://github.com/topics/beego

升级 beego: 

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go get github.com/beego/beego/v2@latest

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$ go version
go version go1.18 darwin/amd64
$ where go
/usr/local/go/bin/go

设置 $GOPATH:

在 ~/.zshrc 中设置 

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export GOPATH="/Users/nocilantro/go"
export GOPROXY=https://goproxy.cn
export PATH="$GOPATH/bin:$PATH"
export GOMODCACHE="$HOME/go/pkg/mod"
export GOBIN="$GOPATH/bin"

然后 source ~/.zshrc 使其生效 

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$ echo $GOPATH
/usr/local/go/bin/go
$ echo $GOPROXY
https://goproxy.cn
$ go env
GO111MODULE="on"
GOPATH="/usr/local/go/bin/go"
GOPROXY="https://goproxy.cn"

试用

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mkdir hello
cd hello
go mod init example.com/hello
go get github.com/beego/beego/v2@latest

踩坑(

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$ go get -u github.com/gin-gonic/gin

go: could not create module cache: stat /usr/local/go/bin/go/pkg/mod: not a directory

根据 go-zero 文档设置，但是我搞错了
按照下面的命令把 GOMODCACHE 设置成了 GOMODCACHE="/usr/local/go/bin/go/pkg/mod"

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go env -w GOMODCACHE=$GOPATH/pkg/mod

实际如果 GOMODCACHE 不为空或者 /dev/null 的话，不应该修改
所以修改回 export GOMODCACHE="$HOME/go/pkg/mod"

下载 bee 命令 

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$ go install github.com/beego/bee/v2@master
$ bee version
2023/02/02 22:07:10.240 [D]  init global config instance failed. If you do not use this, just ignore it.  open conf/app.conf: no such file or directory
2023/02/02 22:07:10 INFO     ▶ 0001 Getting bee latest version...
2023/02/02 22:07:11 INFO     ▶ 0002 Your bee are up to date
______
| ___ \
| |_/ /  ___   ___
| ___ \ / _ \ / _ \
| |_/ /|  __/|  __/
\____/  \___| \___| v2.0.4

├── GoVersion : go1.18
├── GOOS      : darwin
├── GOARCH    : amd64
├── NumCPU    : 4
├── GOPATH    : /Users/nocilantro/go
├── GOROOT    : /usr/local/go
├── Compiler  : gc
└── Date      : Thursday, 2 Feb 2023

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➜  beego git:(develop) pwd
/Users/nocilantro/go/src/github.com/astaxie/beego

出现错误: 

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go: github.com/Knetic/govaluate@v3.0.0+incompatible: Get https://proxy.golang.org/github.com/%21knetic/govaluate/@v/v3.0.0+incompatible.mod: dial tcp 216.58.200.49:443: i/o timeout

解决方法：
我们可以通过GOPROXY来控制代理, 设置GOPROXY代理：

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go env -w GOPROXY=https://goproxy.cn,direct

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➜  bee git:(develop) pwd
/Users/nocilantro/go/src/github.com/beego/bee

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➜  Desktop echo 'export PATH="$GOPATH/bin:$PATH"' >> ~/.zshrc
➜  Desktop exec $SHELL
➜  Desktop echo $SHELL
/bin/zsh


➜  Desktop bee version
______
| ___ \
| |_/ /  ___   ___
| ___ \ / _ \ / _ \
| |_/ /|  __/|  __/
\____/  \___| \___| v1.10.0

├── Beego     : 1.12.0
├── GoVersion : go1.13.4
├── GOOS      : darwin
├── GOARCH    : amd64
├── NumCPU    : 4
├── GOPATH    : /Users/nocilantro/go
├── GOROOT    : /usr/local/g o
├── Compiler  : gc
└── Date      : Sunday, 2 Feb 2020

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➜  brew search mysql
==> Formulae
automysqlbackup            mysql-connector-c++@1.1
mysql ✔                    mysql-sandbox
mysql++                    mysql-search-replace
mysql-client               mysql@5.6
mysql-client@5.7           mysql@5.7
mysql-connector-c++        mysqltuner

==> Casks
mysql-connector-python     mysqlworkbench
mysql-shell                navicat-for-mysql
mysql-utilities            sqlpro-for-mysql
➜  brew search mysql@5.7
==> Formulae
mysql@5.7

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➜  src bee new hellobeego
➜  src ls
github.com hellobeego
➜  src cd hellobeego
➜  hellobeego ls
conf        main.go     routers     tests
controllers models      static      views

➜  hellobeego bee run

http://127.0.0.1:8080/

bee 2.0.4 试用

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$ bee new hello
2023/02/02 22:27:50.451 [D]  init global config instance failed. If you do not use this, just ignore it.  open conf/app.conf: no such file or directory
2023/02/02 22:27:50 INFO     ▶ 0001 Generate new project support go modules.
2023/02/02 22:27:50 INFO     ▶ 0002 Creating application...
    create   /Users/nocilantro/Desktop/hello/go.mod
    create   /Users/nocilantro/Desktop/hello/
    create   /Users/nocilantro/Desktop/hello/conf/
    create   /Users/nocilantro/Desktop/hello/controllers/
    create   /Users/nocilantro/Desktop/hello/models/
    create   /Users/nocilantro/Desktop/hello/routers/
    create   /Users/nocilantro/Desktop/hello/tests/
    create   /Users/nocilantro/Desktop/hello/static/
    create   /Users/nocilantro/Desktop/hello/static/js/
    create   /Users/nocilantro/Desktop/hello/static/css/
    create   /Users/nocilantro/Desktop/hello/static/img/
    create   /Users/nocilantro/Desktop/hello/views/
    create   /Users/nocilantro/Desktop/hello/conf/app.conf
    create   /Users/nocilantro/Desktop/hello/controllers/default.go
    create   /Users/nocilantro/Desktop/hello/views/index.tpl
    create   /Users/nocilantro/Desktop/hello/routers/router.go
    create   /Users/nocilantro/Desktop/hello/tests/default_test.go
    create   /Users/nocilantro/Desktop/hello/main.go
2023/02/02 22:27:50 SUCCESS  ▶ 0003 New application successfully created!

而后我们执行go mod tidy命令，来生成go.sum文件。

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$ go mod tidy
go: downloading github.com/beego/beego/v2 v2.0.1
go: downloading github.com/prometheus/client_golang v1.7.0
go: downloading golang.org/x/tools v0.0.0-20201211185031-d93e913c1a58
go: downloading github.com/elazarl/go-bindata-assetfs v1.0.0
go: downloading github.com/mitchellh/mapstructure v1.3.3
go: downloading golang.org/x/net v0.0.0-20201021035429-f5854403a974
go: downloading github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1
go: downloading gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f
go: downloading golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f
go: downloading github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e

然后运行 bee run

出错: 

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go:linkname must refer to declared function or variable

fixed: 

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go get -u golang.org/x/sys

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$ bee run
______
| ___ \
| |_/ /  ___   ___
| ___ \ / _ \ / _ \
| |_/ /|  __/|  __/
\____/  \___| \___| v2.0.4
2023/02/02 22:33:07 WARN     ▶ 0001 Running application outside of GOPATH
2023/02/02 22:33:07 INFO     ▶ 0002 Using 'hello' as 'appname'
2023/02/02 22:33:07 INFO     ▶ 0003 Initializing watcher...
golang.org/x/sys/unix
github.com/prometheus/procfs
github.com/prometheus/client_golang/prometheus
github.com/prometheus/client_golang/prometheus/promhttp
github.com/beego/beego/v2/server/web
hello/controllers
hello/routers
hello
2023/02/02 22:33:14 SUCCESS  ▶ 0004 Built Successfully!
2023/02/02 22:33:14 INFO     ▶ 0005 Restarting 'hello'...
2023/02/02 22:33:14 SUCCESS  ▶ 0006 './hello' is running...
2023/02/02 22:33:15.144 [I] [parser.go:413]  generate router from comments

2023/02/02 22:33:15.145 [I] [server.go:241]  http server Running on http://:8080

http://127.0.0.1:8080/ 

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2023/02/02 22:33:55.946 [D] [router.go:955]  |      127.0.0.1| 200 |  27.346691ms|   match| GET      /     r:/

2023/02/02 22:33:56.062 [D] [router.go:955]  |      127.0.0.1| 200 |    2.01684ms|   match| GET      /static/js/reload.min.js

MVC