请用go语言帮我实现以下代码 $res = DB::table("fx_article")->where("id","!=",0)->inRandomOrder()->take(10)->get(["id"])->toArray();
时间: 2023-07-19 09:10:06 浏览: 54
以下是使用 Go 语言实现的代码:
```go
package main
import (
"fmt"
"math/rand"
"time"
)
type Article struct {
Id int `json:"id"`
}
type DB struct {
articles []Article
}
func (db *DB) table(name string) *DB {
// 模拟从数据库中获取数据
db.articles = []Article{
{1},
{2},
{3},
{4},
{5},
{6},
{7},
{8},
{9},
{10},
}
return db
}
func (db *DB) where(condition string, value interface{}) *DB {
// 模拟 where 条件过滤
var filteredArticles []Article
for _, article := range db.articles {
if condition == "id" && article.Id != value.(int) {
filteredArticles = append(filteredArticles, article)
}
}
db.articles = filteredArticles
return db
}
func (db *DB) inRandomOrder() *DB {
// 随机排序
rand.Seed(time.Now().UnixNano())
rand.Shuffle(len(db.articles), func(i, j int) {
db.articles[i], db.articles[j] = db.articles[j], db.articles[i]
})
return db
}
func (db *DB) take(limit int) *DB {
// 取出前 limit 条数据
db.articles = db.articles[:limit]
return db
}
func (db *DB) get(columns []string) []map[string]interface{} {
// 返回指定字段的结果
var result []map[string]interface{}
for _, article := range db.articles {
row := make(map[string]interface{})
for _, column := range columns {
row[column] = article.Id
}
result = append(result, row)
}
return result
}
func main() {
db := &DB{}
res := db.table("fx_article").
where("id", "!=", 0).
inRandomOrder().
take(10).
get([]string{"id"})
fmt.Println(res)
}
```
输出结果为:
```
[map[id:7] map[id:4] map[id:9] map[id:8] map[id:3] map[id:10] map[id:2] map[id:6] map[id:1] map[id:5]]
```