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main.go
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main.go
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package main
import (
"fmt"
"strconv"
"github.com/biezhi/gorm-paginator/paginator"
"github.com/gin-gonic/gin"
"github.com/jinzhu/gorm"
_ "github.com/mattn/go-sqlite3"
)
// User 用户
type User struct {
ID int
UserName string `gorm:"not null;size:100;unique"`
}
func main() {
db, err := gorm.Open("sqlite3", "example.db")
if err == nil {
db.AutoMigrate(&User{})
count := 0
db.Model(User{}).Count(&count)
if count == 0 {
db.Create(User{ID: 1, UserName: "biezhi"})
db.Create(User{ID: 2, UserName: "rose"})
db.Create(User{ID: 3, UserName: "jack"})
db.Create(User{ID: 4, UserName: "lili"})
db.Create(User{ID: 5, UserName: "bob"})
db.Create(User{ID: 6, UserName: "tom"})
db.Create(User{ID: 7, UserName: "anny"})
db.Create(User{ID: 8, UserName: "wat"})
fmt.Println("Insert OK!")
}
} else {
fmt.Println(err)
return
}
var users []User
db = db.Where("id > ?", 0)
paginator.Pagging(&paginator.Param{
DB: db,
Page: 1,
Limit: 3,
OrderBy: []string{"id desc"},
ShowSQL: true,
}, &users)
fmt.Println("users:", users)
r := gin.Default()
r.GET("/", func(c *gin.Context) {
page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
limit, _ := strconv.Atoi(c.DefaultQuery("limit", "3"))
var users []User
paginator := paginator.Pagging(&paginator.Param{
DB: db,
Page: page,
Limit: limit,
OrderBy: []string{"id desc"},
ShowSQL: true,
}, &users)
c.JSON(200, paginator)
})
r.Run()
}