添加一些新指令

app/provider/database_connect/contract.go

@@ -0,0 +1,10 @@
+package database_connect
+
+import "gorm.io/gorm"
+
+const DatabaseConnectKey = "hade:database_connect"
+
+type Service interface {
+	LocalDatabaseConnect() *gorm.DB
+	AliDataBaseConnect() *gorm.DB
+}

app/provider/database_connect/provider.go

@@ -0,0 +1,31 @@
+package database_connect
+
+import (
+	"github.com/Superdanda/hade/framework"
+)
+
+type DatabaseConnectProvider struct {
+	framework.ServiceProvider
+
+	c framework.Container
+}
+
+func (sp *DatabaseConnectProvider) Name() string {
+	return DatabaseConnectKey
+}
+
+func (sp *DatabaseConnectProvider) Register(c framework.Container) framework.NewInstance {
+	return NewDatabaseConnectService
+}
+
+func (sp *DatabaseConnectProvider) IsDefer() bool {
+	return false
+}
+
+func (sp *DatabaseConnectProvider) Params(c framework.Container) []interface{} {
+	return []interface{}{c}
+}
+
+func (sp *DatabaseConnectProvider) Boot(c framework.Container) error {
+	return nil
+}

app/provider/database_connect/service.go

@@ -0,0 +1,36 @@
+package database_connect
+
+import (
+	"fmt"
+	"github.com/Superdanda/hade/framework"
+	"github.com/Superdanda/hade/framework/contract"
+	"github.com/Superdanda/hade/framework/provider/orm"
+	"gorm.io/gorm"
+)
+
+type DatabaseConnectService struct {
+	container framework.Container
+}
+
+func (d DatabaseConnectService) LocalDatabaseConnect() *gorm.DB {
+	return getDatabaseConnectByYaml("database.local", d)
+}
+
+func (d DatabaseConnectService) AliDataBaseConnect() *gorm.DB {
+	return getDatabaseConnectByYaml("database.ali", d)
+}
+
+func NewDatabaseConnectService(params ...interface{}) (interface{}, error) {
+	container := params[0].(framework.Container)
+	return &DatabaseConnectService{container: container}, nil
+}
+
+func getDatabaseConnectByYaml(yamlPath string, d DatabaseConnectService) *gorm.DB {
+	ormService := d.container.MustMake(contract.ORMKey).(contract.ORMService)
+	db, err := ormService.GetDB(orm.WithConfigPath(yamlPath))
+	if err != nil {
+		fmt.Println(yamlPath + "数据库连接失败，请检查配置")
+		return nil
+	}
+	return db
+}