From 9d7022ec1165a9fb1437eed355072eb9ce9bb084 Mon Sep 17 00:00:00 2001 From: laodaming <11058467+laudamine@user.noreply.gitee.com> Date: Mon, 12 Jun 2023 14:35:36 +0800 Subject: [PATCH] fix --- model/gorm/fsproductpricemodel.go | 26 +++---- model/gorm/fsproductsizemodel.go | 79 ++++----------------- model/gorm/fsproducttemplatetagsmodel.go | 44 ++---------- model/gorm/fsproducttemplatev2model.go | 88 +++++------------------- model/gorm/fsqrcodesetmodel.go | 50 ++++---------- model/gorm/fsstandardlogomodel.go | 43 ++---------- model/gorm/fstagsmodel.go | 59 ++++------------ model/gorm/fsusermodel.go | 62 ++++++++--------- 8 files changed, 111 insertions(+), 340 deletions(-) diff --git a/model/gorm/fsproductpricemodel.go b/model/gorm/fsproductpricemodel.go index 6abdda92..3045d291 100755 --- a/model/gorm/fsproductpricemodel.go +++ b/model/gorm/fsproductpricemodel.go @@ -1,17 +1,17 @@ package gorm type FsProductPrice struct { - Id int64 `gorm:"primary_key" json:"id"` - Sn string `gorm:"default:''" json:"sn"` // 唯一编码 - Title string `gorm:"default:''" json:"title"` // 标题描述 - ProductId int64 `gorm:"default:0" json:"product_id"` // 产品ID - MaterialId int64 `gorm:"default:0" json:"material_id"` // 材质ID - SizeId int64 `gorm:"default:0" json:"size_id"` // 尺寸ID - EachBoxNum int64 `gorm:"default:0" json:"each_box_num"` // 每一箱的个数 - EachBoxWeight float64 `gorm:"default:0" json:"each_box_weight"` // 每一箱的重量 单位KG - MinBuyNum int64 `gorm:"default:0" json:"min_buy_num"` // 最少购买量 - StepNum string `gorm:"default:''" json:"step_num"` // 数量阶梯 eg:10,20,30 - StepPrice string `gorm:"default:''" json:"step_price"` // 价格阶梯 eg:100,50,25 - Status int64 `gorm:"default:1" json:"status"` // 是否可用 - IsDefault int64 `gorm:"default:0" json:"is_default"` // 是否默认 + Id int64 `gorm:"primary_key" json:"id"` + Sn *string `gorm:"default:''" json:"sn"` // 唯一编码 + Title *string `gorm:"default:''" json:"title"` // 标题描述 + ProductId *int64 `gorm:"default:0" json:"product_id"` // 产品ID + MaterialId *int64 `gorm:"default:0" json:"material_id"` // 材质ID + SizeId *int64 `gorm:"default:0" json:"size_id"` // 尺寸ID + EachBoxNum *int64 `gorm:"default:0" json:"each_box_num"` // 每一箱的个数 + EachBoxWeight *float64 `gorm:"default:0" json:"each_box_weight"` // 每一箱的重量 单位KG + MinBuyNum *int64 `gorm:"default:0" json:"min_buy_num"` // 最少购买量 + StepNum *string `gorm:"default:''" json:"step_num"` // 数量阶梯 eg:10,20,30 + StepPrice *string `gorm:"default:''" json:"step_price"` // 价格阶梯 eg:100,50,25 + Status *int64 `gorm:"default:1" json:"status"` // 是否可用 + IsDefault *int64 `gorm:"default:0" json:"is_default"` // 是否默认 } diff --git a/model/gorm/fsproductsizemodel.go b/model/gorm/fsproductsizemodel.go index ac45e108..2d25c59c 100755 --- a/model/gorm/fsproductsizemodel.go +++ b/model/gorm/fsproductsizemodel.go @@ -1,69 +1,14 @@ -package model +package gorm -import ( - "context" - "fmt" - "github.com/zeromicro/go-zero/core/stores/sqlx" - "strings" -) - -var _ FsProductSizeModel = (*customFsProductSizeModel)(nil) - -type ( - // FsProductSizeModel is an interface to be customized, add more methods here, - // and implement the added methods in customFsProductSizeModel. - FsProductSizeModel interface { - fsProductSizeModel - CountByStatus(ctx context.Context, status int) (total int, err error) - GetAllByProductIds(ctx context.Context, productIds []string, sort string) (resp []FsProductSize, err error) - GetAllByIds(ctx context.Context, ids []string, sort string) (resp []FsProductSize, err error) - } - - customFsProductSizeModel struct { - *defaultFsProductSizeModel - } -) - -// NewFsProductSizeModel returns a model for the database table. -func NewFsProductSizeModel(conn sqlx.SqlConn) FsProductSizeModel { - return &customFsProductSizeModel{ - defaultFsProductSizeModel: newFsProductSizeModel(conn), - } -} -func (m *defaultFsProductSizeModel) CountByStatus(ctx context.Context, status int) (total int, err error) { - query := fmt.Sprintf("select %s from %s where `status` = ? limit 1", "count(*) as num", m.table) - err = m.conn.QueryRowCtx(ctx, &total, query, status) - if err != nil { - return 0, err - } - return -} -func (m *defaultFsProductSizeModel) GetAllByProductIds(ctx context.Context, productIds []string, sort string) (resp []FsProductSize, err error) { - query := fmt.Sprintf("select %s from %s where `product_id` in(?) and `status` = ? ", fsProductSizeRows, m.table) - switch sort { - case "sort-asc": - query = fmt.Sprintf("%s order by `sort` ASC", query) - case "sort-desc": - query = fmt.Sprintf("%s order by `sort` DESC", query) - } - err = m.conn.QueryRowsCtx(ctx, &resp, query, strings.Join(productIds, ","), 1) - if err != nil { - return nil, err - } - return -} - -func (m *defaultFsProductSizeModel) GetAllByIds(ctx context.Context, ids []string, sort string) (resp []FsProductSize, err error) { - query := fmt.Sprintf("select %s from %s where `id` in (?) and `status` = ? ", fsProductSizeRows, m.table) - switch sort { - case "sort-asc": - query = fmt.Sprintf("%s order by `sort` ASC", query) - case "sort-desc": - query = fmt.Sprintf("%s order by `sort` DESC", query) - } - err = m.conn.QueryRowsCtx(ctx, &resp, query, strings.Join(ids, ","), 1) - if err != nil { - return nil, err - } - return +type FsProductSize struct { + Id int64 `gorm:"primary_key" json:"id"` + ProductId *int64 `gorm:"default:0" json:"product_id"` // 产品ID + Title *string `gorm:"default:''" json:"title"` // 标题 10*10*20 + Cover *string `gorm:"default:''" json:"cover"` // 封面图 + CoverImg *string `gorm:"default:''" json:"cover_img"` // 背景图 + Capacity *string `gorm:"default:''" json:"capacity"` // 自己填的尺寸名称 + Status *int64 `gorm:"default:1" json:"status"` // 状态位 1显示 0删除 + Sort *int64 `gorm:"default:50" json:"sort"` // 排序 + Remark *string `gorm:"default:''" json:"remark"` // 备注信息 + PartsCanDeleted *int64 `gorm:"default:1" json:"parts_can_deleted"` // 配件是否可移除 1是0否 } diff --git a/model/gorm/fsproducttemplatetagsmodel.go b/model/gorm/fsproducttemplatetagsmodel.go index a9462148..b3e7a4a5 100755 --- a/model/gorm/fsproducttemplatetagsmodel.go +++ b/model/gorm/fsproducttemplatetagsmodel.go @@ -1,40 +1,8 @@ -package model +package gorm -import ( - "context" - "fmt" - "github.com/zeromicro/go-zero/core/stores/sqlx" -) - -var _ FsProductTemplateTagsModel = (*customFsProductTemplateTagsModel)(nil) - -type ( - // FsProductTemplateTagsModel is an interface to be customized, add more methods here, - // and implement the added methods in customFsProductTemplateTagsModel. - FsProductTemplateTagsModel interface { - fsProductTemplateTagsModel - ListByIds(ctx context.Context, ids []string) (resp []FsProductTemplateTags, err error) - } - - customFsProductTemplateTagsModel struct { - *defaultFsProductTemplateTagsModel - } -) - -// NewFsProductTemplateTagsModel returns a model for the database table. -func NewFsProductTemplateTagsModel(conn sqlx.SqlConn) FsProductTemplateTagsModel { - return &customFsProductTemplateTagsModel{ - defaultFsProductTemplateTagsModel: newFsProductTemplateTagsModel(conn), - } -} -func (m *defaultFsProductTemplateTagsModel) ListByIds(ctx context.Context, ids []string) (resp []FsProductTemplateTags, err error) { - if len(ids) == 0 { - return nil, nil - } - query := fmt.Sprintf("select %s from %s where `id` in (?) ", fsProductTemplateTagsRows, m.table) - err = m.conn.QueryRowsCtx(ctx, &resp, query, ids) - if err != nil { - return nil, err - } - return +type FsProductTemplateTags struct { + Id int64 `gorm:"primary_key" json:"id"` // ID + Title *string `gorm:"default:''" json:"title"` // 标题 + Status *int64 `gorm:"default:1" json:"status"` // 状态 1：可用 0不可用 + CreateAt *int64 `gorm:"default:0" json:"create_at"` // 创建时间 } diff --git a/model/gorm/fsproducttemplatev2model.go b/model/gorm/fsproducttemplatev2model.go index bf4220c8..f9718866 100755 --- a/model/gorm/fsproducttemplatev2model.go +++ b/model/gorm/fsproducttemplatev2model.go @@ -1,72 +1,20 @@ -package model +package gorm -import ( - "context" - "fmt" - "github.com/zeromicro/go-zero/core/stores/sqlx" - "strings" -) - -var _ FsProductTemplateV2Model = (*customFsProductTemplateV2Model)(nil) - -type ( - // FsProductTemplateV2Model is an interface to be customized, add more methods here, - // and implement the added methods in customFsProductTemplateV2Model. - FsProductTemplateV2Model interface { - fsProductTemplateV2Model - FindAllByCondition(ctx context.Context, productIds []string) (resp []FsProductTemplateV2, err error) - FindAllByModelIdsProduct(ctx context.Context, modelIds []string, productId int64, sort int) (resp []FsProductTemplateV2, err error) - FindAllByModelIds(ctx context.Context, modelIds []string, sort int) (resp []FsProductTemplateV2, err error) - } - - customFsProductTemplateV2Model struct { - *defaultFsProductTemplateV2Model - } -) - -// NewFsProductTemplateV2Model returns a model for the database table. -func NewFsProductTemplateV2Model(conn sqlx.SqlConn) FsProductTemplateV2Model { - return &customFsProductTemplateV2Model{ - defaultFsProductTemplateV2Model: newFsProductTemplateV2Model(conn), - } -} -func (m *defaultFsProductTemplateV2Model) FindAllByCondition(ctx context.Context, productIds []string) (resp []FsProductTemplateV2, err error) { - query := fmt.Sprintf("select %s from %s where `id` in (?) and `is_del` = ? and `status` = ?", fsProductTemplateV2Rows, m.table) - if err = m.conn.QueryRowsCtx(ctx, &resp, query, strings.Join(productIds, ","), 0, 1); err != nil { - return nil, err - } - return -} -func (m *defaultFsProductTemplateV2Model) FindAllByModelIdsProduct(ctx context.Context, modelIds []string, productId int64, sort int) (resp []FsProductTemplateV2, err error) { - if len(modelIds) == 0 { - return - } - query := fmt.Sprintf("select %s from %s where `model_id` in (?) and `product_id` = ? and `is_del` = ? and `status` = ?", fsProductTemplateV2Rows, m.table) - switch sort { - case 1: - query = fmt.Sprintf("%s order by `sort` ASC", query) - case 2: - query = fmt.Sprintf("%s order by `sort` DESC", query) - } - if err = m.conn.QueryRowsCtx(ctx, &resp, query, strings.Join(modelIds, ","), productId, 0, 1); err != nil { - return nil, err - } - return -} - -func (m *defaultFsProductTemplateV2Model) FindAllByModelIds(ctx context.Context, modelIds []string, sort int) (resp []FsProductTemplateV2, err error) { - if len(modelIds) == 0 { - return - } - query := fmt.Sprintf("select %s from %s where `model_id` in (?) and `is_del` = ? and `status` = ?", fsProductTemplateV2Rows, m.table) - switch sort { - case 1: - query = fmt.Sprintf("%s order by `sort` ASC", query) - case 2: - query = fmt.Sprintf("%s order by `sort` DESC", query) - } - if err = m.conn.QueryRowsCtx(ctx, &resp, query, strings.Join(modelIds, ","), 0, 1); err != nil { - return nil, err - } - return +type FsProductTemplateV2 struct { + Id int64 `gorm:"primary_key" json:"id"` + ProductId *int64 `gorm:"default:0" json:"product_id"` // 产品ID + ModelId *int64 `gorm:"default:0" json:"model_id"` // 模型ID + Title *string `gorm:"default:''" json:"title"` // 模板（sku）,预留字段 + Name *string `gorm:"default:''" json:"name"` // 名称 + CoverImg *string `gorm:"default:''" json:"cover_img"` // 模板背景图 + TemplateInfo *string `gorm:"default:''" json:"template_info"` // 模板详情 + MaterialImg *string `gorm:"default:''" json:"material_img"` // 合成好的贴图 + Sort *int64 `gorm:"default:0" json:"sort"` // 排序 + LogoWidth *int64 `gorm:"default:0" json:"logo_width"` // logo图最大宽度 + LogoHeight *int64 `gorm:"default:0" json:"logo_height"` // logo图最大高度 + IsPublic *int64 `gorm:"default:0" json:"is_public"` // 是否可公用（1:可以，0：不可以） + Status *int64 `gorm:"default:1" json:"status"` // 状态1正常 2异常 + Ctime *int64 `gorm:"default:0" json:"ctime"` // 添加时间 + Tag *string `gorm:"default:''" json:"tag"` // 标签（用户自填） + IsDel *int64 `gorm:"default:0" json:"is_del"` // 是否删除 1删除 } diff --git a/model/gorm/fsqrcodesetmodel.go b/model/gorm/fsqrcodesetmodel.go index 88567ee7..e831072c 100755 --- a/model/gorm/fsqrcodesetmodel.go +++ b/model/gorm/fsqrcodesetmodel.go @@ -1,38 +1,16 @@ -package model +package gorm -import ( - "context" - "fmt" - "github.com/zeromicro/go-zero/core/stores/sqlx" -) - -var _ FsQrcodeSetModel = (*customFsQrcodeSetModel)(nil) - -type ( - // FsQrcodeSetModel is an interface to be customized, add more methods here, - // and implement the added methods in customFsQrcodeSetModel. - FsQrcodeSetModel interface { - fsQrcodeSetModel - GetAll(ctx context.Context) (resp []FsQrcodeSet, err error) - } - - customFsQrcodeSetModel struct { - *defaultFsQrcodeSetModel - } -) - -// NewFsQrcodeSetModel returns a model for the database table. -func NewFsQrcodeSetModel(conn sqlx.SqlConn) FsQrcodeSetModel { - return &customFsQrcodeSetModel{ - defaultFsQrcodeSetModel: newFsQrcodeSetModel(conn), - } -} - -func (m *defaultFsQrcodeSetModel) GetAll(ctx context.Context) (resp []FsQrcodeSet, err error) { - query := fmt.Sprintf("select %s from %s where `status` = ?", fsQrcodeSetRows, m.table) - err = m.conn.QueryRowsCtx(ctx, &resp, query, 1) - if err != nil { - return nil, err - } - return +type FsQrcodeSet struct { + Id int64 `gorm:"primary_key" json:"id"` // id + Name *string `gorm:"default:''" json:"name"` // 二维码组件名称 + Size *int64 `gorm:"default:0" json:"size"` // 二维码内容尺寸 + IndexX *int64 `gorm:"default:0" json:"index_x"` // x偏移量 + IndexY *int64 `gorm:"default:0" json:"index_y"` // y偏移量 + SvgWebsite *string `gorm:"default:''" json:"svg_website"` // website d数据 + SvgInstagram *string `gorm:"default:''" json:"svg_instagram"` // svg instagram d数据 + SvgFacebook *string `gorm:"default:''" json:"svg_facebook"` // svg facebook d数据 + Status *int64 `gorm:"default:1" json:"status"` // 状态 1正常 1删除 + AdminId *int64 `gorm:"default:0" json:"admin_id"` // 操作人 + Ctime *int64 `gorm:"default:0" json:"ctime"` // 添加时间 + Utime *int64 `gorm:"default:0" json:"utime"` // 更新时间 } diff --git a/model/gorm/fsstandardlogomodel.go b/model/gorm/fsstandardlogomodel.go index 6a6c05b8..f19ccec5 100755 --- a/model/gorm/fsstandardlogomodel.go +++ b/model/gorm/fsstandardlogomodel.go @@ -1,38 +1,9 @@ -package model +package gorm -import ( - "context" - "fmt" - "github.com/zeromicro/go-zero/core/stores/sqlx" -) - -var _ FsStandardLogoModel = (*customFsStandardLogoModel)(nil) - -type ( - // FsStandardLogoModel is an interface to be customized, add more methods here, - // and implement the added methods in customFsStandardLogoModel. - FsStandardLogoModel interface { - fsStandardLogoModel - GetAll(ctx context.Context) (resp []FsStandardLogo, err error) - } - - customFsStandardLogoModel struct { - *defaultFsStandardLogoModel - } -) - -// NewFsStandardLogoModel returns a model for the database table. -func NewFsStandardLogoModel(conn sqlx.SqlConn) FsStandardLogoModel { - return &customFsStandardLogoModel{ - defaultFsStandardLogoModel: newFsStandardLogoModel(conn), - } -} - -func (m *defaultFsStandardLogoModel) GetAll(ctx context.Context) (resp []FsStandardLogo, err error) { - query := fmt.Sprintf("select %s from %s where `status` = ? ", fsStandardLogoRows, m.table) - err = m.conn.QueryRowsCtx(ctx, &resp, query, 1) - if err != nil { - return nil, err - } - return +type FsStandardLogo struct { + Id int64 `gorm:"primary_key" json:"id"` // ID + Name *string `gorm:"default:''" json:"name"` // logo名称 + Image *string `gorm:"default:''" json:"image"` // 图片地址 + Ctime *int64 `gorm:"default:0" json:"ctime"` // 添加时间 + Status *int64 `gorm:"default:1" json:"status"` // 状态 1正常 0删除 } diff --git a/model/gorm/fstagsmodel.go b/model/gorm/fstagsmodel.go index ab53637c..51f45f09 100755 --- a/model/gorm/fstagsmodel.go +++ b/model/gorm/fstagsmodel.go @@ -1,48 +1,15 @@ -package model +package gorm -import ( - "context" - "fmt" - "github.com/zeromicro/go-zero/core/stores/sqlx" - "strings" -) - -var _ FsTagsModel = (*customFsTagsModel)(nil) - -type ( - // FsTagsModel is an interface to be customized, add more methods here, - // and implement the added methods in customFsTagsModel. - FsTagsModel interface { - fsTagsModel - GetAllByLevel(ctx context.Context, level int) (resp []FsTags, err error) - GetAllByIds(ctx context.Context, ids []string) (resp []FsTags, err error) - } - - customFsTagsModel struct { - *defaultFsTagsModel - } -) - -// NewFsTagsModel returns a model for the database table. -func NewFsTagsModel(conn sqlx.SqlConn) FsTagsModel { - return &customFsTagsModel{ - defaultFsTagsModel: newFsTagsModel(conn), - } -} - -func (m *defaultFsTagsModel) GetAllByLevel(ctx context.Context, level int) (resp []FsTags, err error) { - query := fmt.Sprintf("select %s from %s where `level` = ? and `status` = ?", fsTagsRows, m.table) - err = m.conn.QueryRowsCtx(ctx, &resp, query, level, 1) - if err != nil { - return nil, err - } - return -} -func (m *defaultFsTagsModel) GetAllByIds(ctx context.Context, ids []string) (resp []FsTags, err error) { - query := fmt.Sprintf("select %s from %s where `id` in (?) and `status` = ?", fsTagsRows, m.table) - err = m.conn.QueryRowsCtx(ctx, &resp, query, strings.Join(ids, ","), 1) - if err != nil { - return nil, err - } - return +type FsTags struct { + Id int64 `gorm:"primary_key" json:"id"` // ID + Title *string `gorm:"default:''" json:"title"` // 标题 + Level *int64 `gorm:"default:0" json:"level"` // 层级、分类 1 => 二维码分类 + ClickNum *int64 `gorm:"default:0" json:"click_num"` // 点击次数 + Sort *int64 `gorm:"default:0" json:"sort"` // 排序(从大到小) + CreateAt *int64 `gorm:"default:0" json:"create_at"` // 创建时间 + Icon *string `gorm:"default:''" json:"icon"` // 标签图标 + Status *int64 `gorm:"default:1" json:"status"` // 状态 1：可用 + Description *string `gorm:"default:''" json:"description"` // 介绍 Seo + RecommendProduct *string `gorm:"default:''" json:"recommend_product"` // 推荐产品id例如: 1,3,4,5 + RecommendProductSort *string `gorm:"default:''" json:"recommend_product_sort"` // 推荐排序例如:1324 } diff --git a/model/gorm/fsusermodel.go b/model/gorm/fsusermodel.go index ad370750..e8d2b7fe 100755 --- a/model/gorm/fsusermodel.go +++ b/model/gorm/fsusermodel.go @@ -1,36 +1,30 @@ -package model +package gorm -import ( - "context" - "fmt" - - "github.com/zeromicro/go-zero/core/stores/sqlx" -) - -var _ FsUserModel = (*customFsUserModel)(nil) - -type ( - // FsUserModel is an interface to be customized, add more methods here, - // and implement the added methods in customFsUserModel. - FsUserModel interface { - fsUserModel - UpdateVerificationToken(ctx context.Context, userid int64, token string) error - } - - customFsUserModel struct { - *defaultFsUserModel - } -) - -// NewFsUserModel returns a model for the database table. -func NewFsUserModel(conn sqlx.SqlConn) FsUserModel { - return &customFsUserModel{ - defaultFsUserModel: newFsUserModel(conn), - } -} - -func (m *defaultFsUserModel) UpdateVerificationToken(ctx context.Context, userid int64, verificationToken string) error { - query := fmt.Sprintf("update %s set `verification_token` = ? where `id` = ?", m.table) - _, err := m.conn.ExecCtx(ctx, query, verificationToken, userid) - return err +type FsUser struct { + Id int64 `gorm:"primary_key" json:"id"` // ID + FaceId int64 `gorm:"default:0" json:"face_id"` // facebook的userid + Sub int64 `gorm:"default:0" json:"sub"` // google的sub + FirstName string `gorm:"default:''" json:"first_name"` // FirstName + LastName string `gorm:"default:''" json:"last_name"` // LastName + Username string `gorm:"default:''" json:"username"` // 用户名 + Company string `gorm:"default:''" json:"company"` // 公司名称 + Mobile string `gorm:"default:''" json:"mobile" ` // 手机号码 + AuthKey string `gorm:"default:''" json:"auth_key"` + PasswordHash string `gorm:"default:''" json:"password_hash"` + VerificationToken string `gorm:"default:''" json:"verification_token"` + PasswordResetToken string `gorm:"default:''" json:"password_reset_token"` + Email string `gorm:"default:''" json:"email"` // 邮箱 + Type int64 `gorm:"default:1" json:"type"` // 1普通餐厅 2连锁餐厅 + Status int64 `gorm:"default:1" json:"status"` // 1正常 0不正常 + IsDel int64 `gorm:"default:0" json:"is_del"` // 是否删除 1删除 + CreatedAt int64 `gorm:"default:0" json:"created_at"` // 添加时间 + UpdatedAt int64 `gorm:"default:0" json:"updated_at"` // 更新时间 + IsOrderStatusEmail int64 `gorm:"default:0" json:"is_order_status_email"` // 订单状态改变时是否接收邮件 + IsEmailAdvertisement int64 `gorm:"default:0" json:"is_email_advertisement"` // 是否接收邮件广告 + IsOrderStatusPhone int64 `gorm:"default:0" json:"is_order_status_phone"` // 订单状态改变是是否接收电话 + IsPhoneAdvertisement int64 `gorm:"default:0" json:"is_phone_advertisement"` // 是否接收短信广告 + IsOpenRender int64 `gorm:"default:0" json:"is_open_render"` // 是否打开个性化渲染（1：开启，0：关闭） + IsThousandFace int64 `gorm:"default:0" json:"is_thousand_face"` // 是否已经存在千人千面（1：存在，0：不存在） + IsLowRendering int64 `gorm:"default:0" json:"is_low_rendering"` // 是否开启低渲染模型渲染 + IsRemoveBg int64 `gorm:"default:1" json:"is_remove_bg"` // 用户上传logo是否去除背景 }