User.remove(wherestr, function(err, res){ if (err) { console.log("Error:" + err); } else { console.log("Res:" + res); } }) } del(); 结果就不贴了,res中会返回是否成功以及影响的行数:{"ok":1,"n":1} 其它常用方法还有: Model.findByIdAndRemove(id, [options], [callback]) M...
blogModel.remove({author:"L"},function(err, docs){if(err)console.log(err);console.log('删除成功:'+ docs); }) 删除“author”值为“L”的记录。 Model.findByIdAndRemove(id, [options], [callback]) id:指定_id的值;update:需要修改的数据;options控制选项;callback回调函数。 options有以下选项:...
Similarly, Mongoose 8 no longer supports findByIdAndRemove(), which was an alias for findByIdAndDelete(). Please use findByIdAndDelete() instead.Removed count() Model.count() and Query.prototype.count() were removed in Mongoose 8. Use Model.countDocuments() and Query.prototype.countDocuments()...
Model.remove(conditions, [callback]) varUser=require("./user.js");functiondel(){varwherestr={'username':'Tracy McGrady'};User.remove(wherestr,function(err,res){if(err){console.log("Error:"+err);}else{console.log("Res:"+res);}})}del(); 结果就不贴了,res中会返回是否成功以及影响的...
Model.remove(conditions, [callback]) 代码语言:javascript 代码运行次数:0 复制 Cloud Studio代码运行 varUser=require("./user.js");functiondel(){varwherestr={'username':'Tracy McGrady'};User.remove(wherestr,function(err,res){if(err){console.log("Error:"+err);}else{console.log("Res:"+res...
Generally, you only use getters on primitive paths as opposed to arrays or subdocuments. Because getters override what accessing a Mongoose path returns, declaring a getter on an object may remove Mongoose change tracking for that path.
Model.findOneAndRemove() Model.findOneAndReplace() Model.findOneAndUpdate() Model.replaceOne() Model.updateMany() Model.updateOne() 3.静态方法和实例方法 //varmongoose =require("./db")varUserSchema= mongoose.Schema({name: {type:String, ...
remove() 函数是用来删除集合中的数据 在执行 remove() 函数前先执行 find() 命令来判断执行的条件是否正确,这是一个比较好的习惯。 db.col_name.remove( <query>, { justOne: <boolean>, writeConcern: <document> } ) - query :(可选)删除的文档的条件。
Password for 'https://userName@gitee.com': # 私人令牌 master 分支(3) 标签(40) 管理 管理 master mt mongoose-os 7.3 7.2 7.1 7.0 6.18 6.17 6.16 6.15 6.14 6.13 6.12 6.11 6.10 6.9 6.8 6.7 6.6 6.5 6.4 6.3 mongoose / mongoose.c mongoose.c 146.33 KB ...
同样我们直接用Model操作数据库,新建remove.js,输入以下代码: /** * Created by vince on 2017/7/10. * remove.js */var User = require("./user");function del() { //需要删除的数据 var wherestr = {'username' : 'Vince Hua'}; User.remove(wherestr,function (err, res) { if(err){ cons...