go-nc/internal/router/metadata/dataPlan.go

package metadata

import (
	"errors"
	"go-nc/configs/global"
	"go-nc/model"
	"go-nc/model/common"

	"github.com/gin-gonic/gin"
)

// 查询数据套餐列表
func GetDataPlanList(c *gin.Context) {
	// 查询数据套餐列表
	type Param struct {
		model.Metadata_package
		common.Pagination
	}
	var param Param
	param.Pagination = common.NewPagination()
	if err := c.ShouldBindJSON(&param); err != nil {
		c.Error(errors.New("缺少参数:" + err.Error()))
		return
	}

	// 先查询总记录数
	var total int64
	if err := global.App.DB.Model(&model.Metadata_package{}).Count(&total).Error; err != nil {
		c.Error(err)
		return
	}

	// 使用分页查询
	var dbList []model.Metadata_package
	if err := global.App.DB.Limit(param.PageSize).
		Offset((param.Current - 1) * param.PageSize).
		Find(&dbList).Error; err != nil {
		c.Error(err)
		return
	}
	// 序列化
	records := make([]interface{}, len(dbList))
	for i, user := range dbList {
		records[i] = user
	}
	// 返回数据
	data := common.BuildPagination(records, param.Current, param.PageSize, total)
	c.Set("res_data", data)
}