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/source/system/user_authority.go

@@ -0,0 +1,37 @@
+package system
+
+import (
+	"github.com/flipped-aurora/gin-vue-admin/server/global"
+	"github.com/flipped-aurora/gin-vue-admin/server/model/system"
+	"github.com/pkg/errors"
+	"gorm.io/gorm"
+)
+
+var UserAuthority = new(userAuthority)
+
+type userAuthority struct{}
+
+func (a *userAuthority) TableName() string {
+	var entity system.SysUseAuthority
+	return entity.TableName()
+}
+
+func (a *userAuthority) Initialize() error {
+	entities := []system.SysUseAuthority{
+		{SysUserId: 1, SysAuthorityAuthorityId: "888"},
+		{SysUserId: 1, SysAuthorityAuthorityId: "8881"},
+		{SysUserId: 1, SysAuthorityAuthorityId: "9528"},
+		{SysUserId: 2, SysAuthorityAuthorityId: "888"},
+	}
+	if err := global.GVA_DB.Create(&entities).Error; err != nil {
+		return errors.Wrap(err, a.TableName()+"表数据初始化失败!")
+	}
+	return nil
+}
+
+func (a *userAuthority) CheckDataExist() bool {
+	if errors.Is(global.GVA_DB.Where("sys_user_id = ? AND sys_authority_authority_id = ?", 2, "888").First(&system.SysUseAuthority{}).Error, gorm.ErrRecordNotFound) { // 判断是否存在数据
+		return false
+	}
+	return true
+}