refactor：端口改为int

internal/config/loadconfig.go

@@ -12,12 +12,12 @@ type Config struct {
 }
 
 type ServerConfig struct {
-	Port string `yaml:"port"`
+	Port int `yaml:"port"`
 }
 
 type DatabaseConfig struct {
 	Host     string `yaml:"host"`
-	Port     string `yaml:"port"`
+	Port     int    `yaml:"port"`
 	User     string `yaml:"user"`
 	Password string `yaml:"password"`
 	DBName   string `yaml:"dbname"`

internal/db/db.go

@@ -12,7 +12,7 @@ import (
 )
 
 func NewDB(dbcfg config.DatabaseConfig) (*gorm.DB, error) {
-	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local",
+	dsn := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True&loc=Local",
 		dbcfg.User, dbcfg.Password, dbcfg.Host, dbcfg.Port, dbcfg.DBName)
 
 	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})