refactor:

- source 初始化数据 new 实现
- service mysql 与 pgsql 分开实现
- 代码备注优化

server/model/system/request/sys_init.go

@@ -1,5 +1,10 @@
 package request
 
+import (
+	"fmt"
+	"github.com/flipped-aurora/gin-vue-admin/server/config"
+)
+
 type InitDB struct {
 	DBType   string `json:"DBType"`                      // 数据库类型
 	Host     string `json:"host"`                        // 服务器地址
@@ -8,3 +13,53 @@ type InitDB struct {
 	Password string `json:"password"`                    // 数据库密码
 	DBName   string `json:"dbName" binding:"required"`   // 数据库名
 }
+
+// MysqlEmptyDsn msyql 空数据库 建库链接
+// Author SliverHorn
+func (i *InitDB) MysqlEmptyDsn() string {
+	if i.Host == "" {
+		i.Host = "127.0.0.1"
+	}
+	if i.Port == "" {
+		i.Port = "3306"
+	}
+	return fmt.Sprintf("%s:%s@tcp(%s:%s)/", i.UserName, i.Password, i.Host, i.Port)
+}
+
+// PgsqlEmptyDsn pgsql 空数据库 建库链接
+// Author SliverHorn
+func (i *InitDB) PgsqlEmptyDsn() string {
+	if i.Host == "" {
+		i.Host = "127.0.0.1"
+	}
+	if i.Port == "" {
+		i.Port = "3306"
+	}
+	return "host=" + i.Host + " user=" + i.UserName + " password=" + i.Password + " port=" + i.Port + " " + "sslmode=disable TimeZone=Asia/Shanghai"
+}
+
+// ToMysqlConfig 转换 config.Mysql
+// Author [SliverHorn](https://github.com/SliverHorn)
+func (i *InitDB) ToMysqlConfig() config.Mysql {
+	return config.Mysql{
+		Path:     i.Host,
+		Port:     i.Port,
+		Dbname:   i.DBName,
+		Username: i.UserName,
+		Password: i.Password,
+		Config:   "charset=utf8mb4&parseTime=True&loc=Local",
+	}
+}
+
+// ToPgsqlConfig 转换 config.Pgsql
+// Author [SliverHorn](https://github.com/SliverHorn)
+func (i *InitDB) ToPgsqlConfig() config.Pgsql {
+	return config.Pgsql{
+		Path:     i.Host,
+		Port:     i.Port,
+		Dbname:   i.DBName,
+		Username: i.UserName,
+		Password: i.Password,
+		Config:   "sslmode=disable TimeZone=Asia/Shanghai",
+	}
+}