文档中的例子是
https://developers.weixin.qq.com/miniprogram/dev/wxcloud/guide/database/remove.html
// 使用了 async await 语法const cloud = require('wx-server-sdk')const db = cloud.database()const _ = db.commandexports.main = async (event, context) => { try { return await db.collection('todos').where({ done: true }).remove() } catch(e) { console.error(e) }} |
现在如果我有一个数组，里面的每个元素对应一条数据库的记录，我想将这些都批量删除应该怎么写呢？
比如
// 数组vocal_list = ["apple", "banana"]// 数据
{"_id":"2","vocab":"test"}, {"_id":"3","vocab":"banana"}, {"_id":"4","vocab":"cascade"}, {"_id":"5","vocab":"youth"}, {"_id":"6","vocab":"zoo"}, {"_id":"7","vocab":"abandon"}, {"_id":"8","vocab":"zypher"},
|
可以不用for loop吗？
多看文档
https://developers.weixin.qq.com/miniprogram/dev/wxcloud/reference-server-api/database/command.in.html
where({
vocab: _.in(vocal_list)
})
_.in