SSW_WebPlatform/web/models/buildingtab.go

package models

import (
	"SSW_WebPlatform/db"
	"SSW_WebPlatform/utils"
	"errors"
	"xorm.io/core"
)

type Buildingtab struct {
	Cid              int     `json:"cid" xorm:"not null pk INT(4)"`
	Buildingid       string  `json:"buildingid" xorm:"not null pk VARCHAR(100)"`
	Descr            string  `json:"descr" xorm:"VARCHAR(255)"`
	Address          string  `json:"address" xorm:"VARCHAR(255)"`
	Constructionarea float64 `json:"constructionarea" xorm:"DECIMAL(10,2)"`
	Totalhouseholds  int     `json:"totalhouseholds" xorm:"INT(4)"`
	Propertytypeid   string  `json:"propertytypeid" xorm:"VARCHAR(100)"`
	Createtime       string  `json:"createtime" xorm:"VARCHAR(14)"`
	Lastmodifytime   string  `json:"lastmodifytime" xorm:"VARCHAR(14)"`
	Lastmodifyby     string  `json:"lastmodifyby" xorm:"VARCHAR(40)"`
}

func (t *Buildingtab) TableName() string {
	return "buildingtab"
}

// 清除string字段的右侧空格
func (t *Buildingtab) Clipped() {
	utils.TrimStruct(t, *t)
}

//增
func (t *Buildingtab) Add() error {
	e := db.MasterEngine()
	countrole := new(Buildingtab)
	affw, err := e.Table("buildingtab").ID(core.PK{t.Cid, t.Buildingid}).Count(countrole)
	if err != nil {
		return err
	}
	if affw > 0 {
		return errors.New("数据已经存在！")
	}
	_, err = e.Table("buildingtab").Insert(t)
	if err != nil {
		return err
	}
	return nil
}

//删
func (t *Buildingtab) Del() bool {
	e := db.MasterEngine()
	_, err := e.ID(core.PK{t.Cid, t.Buildingid}).Delete(&Buildingtab{})
	if err != nil {
		return false
	}
	return true
}

//改
func (t *Buildingtab) Update() bool {
	e := db.MasterEngine()
	_, err := e.ID(core.PK{t.Cid, t.Buildingid}).Update(t)
	if err != nil {
		return false
	}
	return true
}

//查
func (t *Buildingtab) SelectOne() (Buildingtab, error) {
	e := db.MasterEngine()
	var data Buildingtab
	_, err := e.ID(core.PK{t.Cid, t.Buildingid}).Get(&data)
	if err != nil {
		return data, err
	}
	return data, nil
}

//分页
func (t *Buildingtab) GetPage(pageSize int, pageIndex int) ([]Buildingtab, int, error) {
	data := make([]Buildingtab, 0)
	e := db.MasterEngine()
	query := e.Table("buildingtab").Where("cid = ? ", t.Cid)
	table := e.Table("buildingtab").Where("cid = ? ", t.Cid)
	if !utils.ValueIsEmpty(t.Descr) {
		descr := "%" + t.Descr + "%"
		query = query.And("descr like ?", descr)
		table = query.And("descr like ?", descr)
	}
	Offset := (pageIndex - 1) * pageSize
	err := query.Limit(pageSize,Offset).Desc("createtime").Find(&data)
	pcount := new(Buildingtab)
	count, err := table.Count(pcount)
	if err != nil {
		return data, 0, err
	}
	return data, int(count), nil
}

//查询所有
func (t *Buildingtab) SelectAll() ([]*Buildingtab, error) {
	e := db.MasterEngine()
	data := make([]*Buildingtab, 0)

	err := e.Where("cid = ?", t.Cid).Find(&data)
	if err != nil {
		return data, err
	}
	return data, nil
}