内容简介:package products import ( "erp/models" "github.com/astaxie/beego/orm" ) type Product_Inventorys struct { Id int64 Name string Formate string Unit string Warehouse string C_name string Purchase string Price string Quantity string } func init() { orm.Registe
多表查询的问题,mysql查询有数据,编写models的时候没传数据(数量是有传值,其他参数没有传值)(models联表查询创建,数据库没有表),各位大神请教下
zhong ·· 2 次点击 ··开始浏览package products import ( "erp/models" "github.com/astaxie/beego/orm" ) type Product_Inventorys struct { Id int64 Name string Formate string Unit string Warehouse string C_name string Purchase string Price string Quantity string } func init() { orm.RegisterModel(new(Product_Inventory)) } //统计仓库存量 func ListInvent()(num int64,err error, invent []Product_Inventorys) { qb, _ := orm.NewQueryBuilder("mysql") qb.Select("i.id As Id", "p.name As Name", " p.format As Formate", "p.unit As Unit","w.w_name As Warehouse","c.name As C_name","p.purchase As Purchase", "p.sales As Price","i.quantity As Quantity"). From(models.TableName("product_inventory i,pms_product p,pms_product_category c,pms_product_warehouse w") ). Where("i.product=p.id and i.warehouse=w.w_id and p.c_id=c.id") sql := qb.String() o := orm.NewOrm() var invents []Product_Inventorys nums, errs := o.Raw(sql).QueryRows(&invents) return nums,errs,invents } [ORM]2019/01/15 20:08:17 -[Queries/default] - [ OK / db.Query / 233.0ms] - [SELECT i.id As Id, p.name As Name, p.format As Formate, p.unit As Unit, w.w_name As Warehouse, c.name As C_name, p.purchase As Purchase, p.sales As Price, i.quantity As Quantity FROM pms_product_inventory i,pms_product p,pms_product_category c,pms_product_warehouse w WHERE i.product=p.id and i.warehouse=w.w_id and p.c_id=c.id] [{0 } {0 } {0 } {0 } {0 } {0 } {0 } {0 } {0 } {0 } {0 }] ![1.png](https://static.studygolang.com/190115/3b74cc00d81cbf5d382ad55f5b26e383.png) ![2.png](https://static.studygolang.com/190115/29d23d7df32da14e170075a0931b1997.png)
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