update doc (#193)

This commit is contained in:
Keson
2020-11-08 13:02:48 +08:00
committed by GitHub
parent 2599e0d28d
commit 48f4154ea8
2 changed files with 99 additions and 64 deletions

View File

@@ -26,7 +26,8 @@ goctl model 为go-zero下的工具模块中的组件之一目前支持识别m
* 生成代码示例
``` go
```go
package model
import (
@@ -48,9 +49,9 @@ goctl model 为go-zero下的工具模块中的组件之一目前支持识别m
userRowsExpectAutoSet = strings.Join(stringx.Remove(userFieldNames, "id", "create_time", "update_time"), ",")
userRowsWithPlaceHolder = strings.Join(stringx.Remove(userFieldNames, "id", "create_time", "update_time"), "=?,") + "=?"
cacheUserMobilePrefix = "cache#User#mobile#"
cacheUserIdPrefix = "cache#User#id#"
cacheUserNamePrefix = "cache#User#name#"
cacheUserMobilePrefix = "cache#User#mobile#"
)
type (
@@ -71,23 +72,28 @@ goctl model 为go-zero下的工具模块中的组件之一目前支持识别m
}
)
func NewUserModel(conn sqlx.SqlConn, c cache.CacheConf, table string) *UserModel {
func NewUserModel(conn sqlx.SqlConn, c cache.CacheConf) *UserModel {
return &UserModel{
CachedConn: sqlc.NewConn(conn, c),
table: table,
table: "user",
}
}
func (m *UserModel) Insert(data User) (sql.Result, error) {
query := `insert into ` + m.table + `(` + userRowsExpectAutoSet + `) value (?, ?, ?, ?, ?)`
return m.ExecNoCache(query, data.Name, data.Password, data.Mobile, data.Gender, data.Nickname)
userNameKey := fmt.Sprintf("%s%v", cacheUserNamePrefix, data.Name)
userMobileKey := fmt.Sprintf("%s%v", cacheUserMobilePrefix, data.Mobile)
ret, err := m.Exec(func(conn sqlx.SqlConn) (result sql.Result, err error) {
query := fmt.Sprintf("insert into %s (%s) values (?, ?, ?, ?, ?)", m.table, userRowsExpectAutoSet)
return conn.Exec(query, data.Name, data.Password, data.Mobile, data.Gender, data.Nickname)
}, userNameKey, userMobileKey)
return ret, err
}
func (m *UserModel) FindOne(id int64) (*User, error) {
userIdKey := fmt.Sprintf("%s%v", cacheUserIdPrefix, id)
var resp User
err := m.QueryRow(&resp, userIdKey, func(conn sqlx.SqlConn, v interface{}) error {
query := `select ` + userRows + ` from ` + m.table + ` where id = ? limit 1`
query := fmt.Sprintf("select %s from %s where id = ? limit 1", userRows, m.table)
return conn.QueryRow(v, query, id)
})
switch err {
@@ -103,18 +109,13 @@ goctl model 为go-zero下的工具模块中的组件之一目前支持识别m
func (m *UserModel) FindOneByName(name string) (*User, error) {
userNameKey := fmt.Sprintf("%s%v", cacheUserNamePrefix, name)
var resp User
err := m.QueryRowIndex(&resp, userNameKey, func(primary interface{}) string {
return fmt.Sprintf("%s%v", cacheUserIdPrefix, primary)
}, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
query := `select ` + userRows + ` from ` + m.table + ` where name = ? limit 1`
err := m.QueryRowIndex(&resp, userNameKey, m.formatPrimary, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
query := fmt.Sprintf("select %s from %s where name = ? limit 1", userRows, m.table)
if err := conn.QueryRow(&resp, query, name); err != nil {
return nil, err
}
return resp.Id, nil
}, func(conn sqlx.SqlConn, v, primary interface{}) error {
query := `select ` + userRows + ` from ` + m.table + ` where id = ? limit 1`
return conn.QueryRow(v, query, primary)
})
}, m.queryPrimary)
switch err {
case nil:
return &resp, nil
@@ -128,18 +129,13 @@ goctl model 为go-zero下的工具模块中的组件之一目前支持识别m
func (m *UserModel) FindOneByMobile(mobile string) (*User, error) {
userMobileKey := fmt.Sprintf("%s%v", cacheUserMobilePrefix, mobile)
var resp User
err := m.QueryRowIndex(&resp, userMobileKey, func(primary interface{}) string {
return fmt.Sprintf("%s%v", cacheUserIdPrefix, primary)
}, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
query := `select ` + userRows + ` from ` + m.table + ` where mobile = ? limit 1`
err := m.QueryRowIndex(&resp, userMobileKey, m.formatPrimary, func(conn sqlx.SqlConn, v interface{}) (i interface{}, e error) {
query := fmt.Sprintf("select %s from %s where mobile = ? limit 1", userRows, m.table)
if err := conn.QueryRow(&resp, query, mobile); err != nil {
return nil, err
}
return resp.Id, nil
}, func(conn sqlx.SqlConn, v, primary interface{}) error {
query := `select ` + userRows + ` from ` + m.table + ` where id = ? limit 1`
return conn.QueryRow(v, query, primary)
})
}, m.queryPrimary)
switch err {
case nil:
return &resp, nil
@@ -153,7 +149,7 @@ goctl model 为go-zero下的工具模块中的组件之一目前支持识别m
func (m *UserModel) Update(data User) error {
userIdKey := fmt.Sprintf("%s%v", cacheUserIdPrefix, data.Id)
_, err := m.Exec(func(conn sqlx.SqlConn) (result sql.Result, err error) {
query := `update ` + m.table + ` set ` + userRowsWithPlaceHolder + ` where id = ?`
query := fmt.Sprintf("update %s set %s where id = ?", m.table, userRowsWithPlaceHolder)
return conn.Exec(query, data.Name, data.Password, data.Mobile, data.Gender, data.Nickname, data.Id)
}, userIdKey)
return err
@@ -164,16 +160,26 @@ goctl model 为go-zero下的工具模块中的组件之一目前支持识别m
if err != nil {
return err
}
userMobileKey := fmt.Sprintf("%s%v", cacheUserMobilePrefix, data.Mobile)
userIdKey := fmt.Sprintf("%s%v", cacheUserIdPrefix, id)
userNameKey := fmt.Sprintf("%s%v", cacheUserNamePrefix, data.Name)
userMobileKey := fmt.Sprintf("%s%v", cacheUserMobilePrefix, data.Mobile)
_, err = m.Exec(func(conn sqlx.SqlConn) (result sql.Result, err error) {
query := `delete from ` + m.table + ` where id = ?`
query := fmt.Sprintf("delete from %s where id = ?", m.table)
return conn.Exec(query, id)
}, userIdKey, userNameKey, userMobileKey)
}, userMobileKey, userIdKey, userNameKey)
return err
}
```
func (m *UserModel) formatPrimary(primary interface{}) string {
return fmt.Sprintf("%s%v", cacheUserIdPrefix, primary)
}
func (m *UserModel) queryPrimary(conn sqlx.SqlConn, v, primary interface{}) error {
query := fmt.Sprintf("select %s from %s where id = ? limit 1", userRows, m.table)
return conn.QueryRow(v, query, primary)
}
```
## 用法
@@ -212,16 +218,18 @@ OPTIONS:
```
NAME:
goctl model mysql ddl - generate mysql model from ddl
goctl model mysql ddl - generate mysql model from ddl
USAGE:
goctl model mysql ddl [command options] [arguments...]
USAGE:
goctl model mysql ddl [command options] [arguments...]
OPTIONS:
--src value, -s value the path or path globbing patterns of the ddl
--dir value, -d value the target dir
--style value the file naming style, lower|camel|underline,default is lower
--cache, -c generate code with cache [optional]
--idea for idea plugin [optional]
OPTIONS:
--src value, -s value the path or path globbing patterns of the ddl
--dir value, -d value the target dir
--cache, -c generate code with cache [optional]
--idea for idea plugin [optional]
```
* datasource
@@ -233,22 +241,26 @@ OPTIONS:
help
```
NAME:
goctl model mysql datasource - generate model from datasource
NAME:
goctl model mysql datasource - generate model from datasource
USAGE:
goctl model mysql datasource [command options] [arguments...]
USAGE:
goctl model mysql datasource [command options] [arguments...]
OPTIONS:
--url value the data source of database,like "root:password@tcp(127.0.0.1:3306)/database
--table value, -t value the table or table globbing patterns in the database
--cache, -c generate code with cache [optional]
--dir value, -d value the target dir
--style value the file naming style, lower|camel|snake, default is lower
--idea for idea plugin [optional]
OPTIONS:
--url value the data source of database,like "root:password@tcp(127.0.0.1:3306)/database
--table value, -t value the table or table globbing patterns in the database
--cache, -c generate code with cache [optional]
--dir value, -d value the target dir
--idea for idea plugin [optional]
```
示例用法请参考[用法](./example/generator.sh)
> NOTE: goctl model mysql ddl/datasource 均新增了一个`--style`参数,用于标记文件命名风格。
目前仅支持redis缓存如果选择带缓存模式即生成的`FindOne(ByXxx)`&`Delete`代码会生成带缓存逻辑的代码目前仅支持单索引字段除全文索引外对于联合索引我们默认认为不需要带缓存且不属于通用型代码因此没有放在代码生成行列如example中user表中的`id`、`name`、`mobile`字段均属于单字段索引。
* 不带缓存模式

View File

@@ -26,26 +26,49 @@ Goctl Rpc是`goctl`脚手架下的一个rpc服务代码生成模块支持prot
```golang
.
├── etc // 配置文件
   └── greet.yaml
├── etc // yaml配置文件
└── greet.yaml
├── go.mod
├── greet // client call
   └── greet.go
├── greet.go // main entry
├── greet.proto
── internal
── config // 配置声明
│   └── config.go
├── greet // pb.go
   └── greet.pb.go
├── logic // logic
   └── pinglogic.go
├── server // pb invoker
   └── greetserver.go
└── svc // resource dependency
├── greet // pb.go文件夹①
└── greet.pb.go
├── greet.go // main函数
├── greet.proto // proto 文件
── greetclient // call logic ②
── greet.go
└── internal
├── config // yaml配置对应的实体
└── config.go
├── logic // 业务代码
└── pinglogic.go
├── server // rpc server
└── greetserver.go
└── svc // 依赖资源
└── servicecontext.go
```
> ① pb文件夹名老版本文件夹固定为pb称取自于proto文件中option go_package的值最后一层级按照一定格式进行转换若无此声明则取自于package的值大致代码如下
```go
if option.Name == "go_package" {
ret.GoPackage = option.Constant.Source
}
...
if len(ret.GoPackage) == 0 {
ret.GoPackage = ret.Package.Name
}
ret.PbPackage = GoSanitized(filepath.Base(ret.GoPackage))
...
```
> GoSanitized方法请参考google.golang.org/protobuf@v1.25.0/internal/strs/strings.go:71
> ② call 层文件夹名称取自于proto中service的名称如该sercice的名称和pb文件夹名称相等则会在srervice后面补充client进行区分使pb和call分隔。
```go
if strings.ToLower(proto.Service.Name) == strings.ToLower(proto.GoPackage) {
callDir = filepath.Join(ctx.WorkDir, strings.ToLower(stringx.From(proto.Service.Name+"_client").ToCamel()))
}
```
rpc一键生成常见问题解决见 <a href="#常见问题解决">常见问题解决</a>
### 方式二通过指定proto生成rpc服务
@@ -110,8 +133,8 @@ USAGE:
OPTIONS:
--src value, -s value the file path of the proto source file
--proto_path value, -I value native command of protoc,specify the directory in which to search for imports. [optional]
--dir value, -d value the target path of the code,default path is "${pwd}". [optional]
--proto_path value, -I value native command of protoc, specify the directory in which to search for imports. [optional]
--dir value, -d value the target path of the code
--idea whether the command execution environment is from idea plugin. [optional]
```