MongoDB:嵌套数组更新问题
我正在使用MEAN堆栈在网格中显示以下数组。
嵌套数组:
{ "_id":"1", "appDomain":[ { "appDomainName":"XYZ", "dashboard":[ { "envName":"UAT", "envDetails":[ { "hostnme":"ABC", "ip":"sdsdsdsd", "cpu":"-------", "memory":"-------", "disk":"-------", "downtime":"sdsdsdsd", "version":"dsdsdsd", "hostDetails":[ { "hostHdrName":"tomcat", "hostDetails":[ { "hostname":"FLT", "status":"UP", "path":"dfdf", "host":"sdsdsd", "port":"1112" } ] } ] } ] } ] }, { "appDomainName":"ABC", "dashboard":[ { "envName":"UAT", "envDetails":[ { "hostnme":"ABC", "ip":"sdsdsdsd", "cpu":"-------", "memory":"-------", "disk":"-------", "downtime":"sdsdsdsd", "version":"dsdsdsd", "hostDetails":[ { "hostHdrName":"tomcat", "hostDetails":[ { "hostname":"FLT", "status":"UP", "path":"dfdf", "host":"dfdfdf", "port":"1112" }, { "hostname":"SHP", "status":"DOWN", "path":"dfdfdf", "host":"fgfgfg", "port":"1112" } ] } ] } ] } ] } ] }
Mangoose更新:我使用express.js来添加/更新和删除MangoDB中的条目。 我在更新嵌套数组中面临的问题。 请参阅下面的代码来更新嵌套数组。
router.post('/appDomain/update/:appDomainName/:envName', function(req, res, next) { AppDomain.findOne({}, {_id: 0, appDomain: {$elemMatch: {appDomainName: req.params.appDomainName,}}}, function (err, appDomain) { if(appDomain.appDomain[0].dashboard[0].envName == req.params.envName ) appDomain.appDomain[0].dashboard[0].envDetails.push({}) appDomain.save(function (err) { if(err) { console.error('ERROR!'); } }); res.json(appDomain); }); })
但是,它不是更新。 如果有人能帮我解决
AppDomainModel架构
var Schema = mongoose.Schema; var serverDetails = new Schema({ 主机名:string, ip:String, 状态:string, path:string, 主机:string, 端口:string }); var hostDetail = new Schema({ hostHdrName:String, hostDetails:[serverDetails] }); var keyValue = new Schema({ keyHdrName:String, keyValueData:[{key:String,value:String}] }); var envSchema = new Schema({ hostnme:string, ip:String, cpu:string, 内存:string, 磁盘:string, 停机时间:string, 版本:string, hostDetails:[hostDetail], keyValues:[keyValue], 活动:{ 最近:[keyValue], 计划:[keyValue] } }); var dashboardSchema = new Schema({ envName:String, env详细信息:[envSchema] }); var appDomainSchema = new Schema({ _id:string, 的AppDomain:[{ appDomainName:{type:String,index:{unique:true}}, 仪表板:[dashboardSchema] }] }); var AppDomain = mongoose.model('AppDomain',appDomainSchema); var Dashboard = mongoose.model('Dashboard',dashboardSchema); var EnvSchema = mongoose.model('EnvSchema',envSchema);
更新后,我正在使用以下函数来检查值。但更新的一个不可用在数据库中。
router.get('/ app / domain / get /:appDomainName',函数(req,res,next){ AppDomain.find({},{_id:0,appDomain:{$ elemMatch:{appDomainName:req.params.appDomainName,}}},function(err,appDomain){ res.json(的AppDomain); }); });
经过漫长的斗争,我find了答案。 看下面的答案。
var data2 = {}; AppDomain.update( {_id:1,'appDomain.appDomainName':req.params.appDomainName,'dashboard。$。envName':{$ nin:[req.params.envName]}}, {$ push:{'appDomain。$。dashboard.0.envDetails':{'envDetails':[data2]}}}, 函数(err,model){ 的console.log(ERR); } );
我怀疑你的更改实际上是成功保存的,但是你回复得太快了。 尝试这个:
appDomain.save(function (err, savedAppDomain) { if(err) { console.error('ERROR!'); next(err); return; } res.json(savedAppDomain): }); // Removed: //res.json(appDomain); //});