如何在body.history .. nodejs中添加新数组

Question

我有工作历史模式我想在历史数组中推送其他数据..怎么做..因为它更新了我的旧工作历史我想要新的一个数组添加到工作历史中。

var JobChangeHistorySchema = new Schema({
      datetime: { type: Date, default: Date.now },
      changetype: { type: String, default:''},         
      details: { type: String, default:''},
      updated_by: { type: String, default:''}
    });
 import JobHistory from './job_models/job_changehistory.model';

req.body.history = new JobHistory({ changetype: 'eesss', details: delta });
  ss.findOneAndUpdate({ _id: req.params.id },  req.body , { new: true, upsert: true, setDefaultsOnInsert: true, runValidators: true }).exec().then(function (Job)

"history" : {
        "_id" : ObjectId("58724445554a2515404de8ed"),
        "updated_by" : "",
        "details" : "",
        "changetype" : "eesss",
        "datetime" : ISODate("2017-01-08T13:53:09.319Z")
    },

Answer 1

对于添加新数组使用 Push 以下建议代码

  var add= new JobHistory({ changetype: 'eesss', details: delta });

       req.body.history.push(add);