大佬教程收集整理的这篇文章主要介绍了node.js – 从MongoDB中的数组中获取随机元素,大佬教程大佬觉得挺不错的,现在分享给大家,也给大家做个参考。
{ "_id" : ObjectId("576155226d1d298c2cc3edca"),"questionLibrary" : { "technologyName" : "CSS","questions" : [ { "correctanswer" : { "A1" : "CSS1" },"answeroption" : { "A4" : "CSS1","A3" : "CSS1","A2" : "CSS1","A1" : "CSS1" },"level" : "Amature","tags" : "CSS","question" : "CSS1" },{ "question" : "CSS2","answeroption" : { "A1" : "CSS2","A2" : "CSS2","A3" : "CSS2","A4" : "CSS2" },"correctanswer" : { "A1" : "CSS2" } },{ "correctanswer" : { "A1" : "CSS3" },"answeroption" : { "A4" : "CSS3","A3" : "CSS3","A2" : "CSS3","A1" : "CSS3" },"question" : "CSS3" },{ "correctanswer" : { "A1" : "CSS4" },"answeroption" : { "A4" : "CSS4","A3" : "CSS4","A2" : "CSS4","A1" : "CSS4" },"question" : "CSS4" },{ "correctanswer" : { "A1" : "CSS5" },"answeroption" : { "A4" : "CSS5","A3" : "CSS5","A2" : "CSS5","A1" : "CSS5" },"question" : "CSS5" },{ "correctanswer" : { "A1" : "CSS6" },"answeroption" : { "A4" : "CSS6","A3" : "CSS6","A2" : "CSS6","A1" : "CSS6" },"question" : "CSS6" },{ "correctanswer" : { "A1" : "CSS7" },"answeroption" : { "A4" : "CSS7","A3" : "CSS7","A2" : "CSS7","A1" : "CSS7" },"question" : "CSS7" },{ "correctanswer" : { "A1" : "CSS8" },"answeroption" : { "A4" : "CSS8","A3" : "CSS8","A2" : "CSS8","A1" : "CSS8" },"question" : "CSS8" },{ "correctanswer" : { "A1" : "CSS9" },"answeroption" : { "A4" : "CSS9","A3" : "CSS9","A2" : "CSS9","A1" : "CSS9" },"question" : "CSS9" },{ "correctanswer" : { "A1" : "CSS10" },"answeroption" : { "A4" : "CSS10","A3" : "CSS10","A2" : "CSS10","A1" : "CSS10" },"question" : "CSS10" } ] },"__v" : 3 }
以上是大佬教程为你收集整理的node.js – 从MongoDB中的数组中获取随机元素全部内容,希望文章能够帮你解决node.js – 从MongoDB中的数组中获取随机元素所遇到的程序开发问题。
如果觉得大佬教程网站内容还不错,欢迎将大佬教程推荐给程序员好友。
本图文内容来源于网友网络收集整理提供,作为学习参考使用,版权属于原作者。
如您有任何意见或建议可联系处理。小编QQ:384754419,请注明来意。