参考
How to add an array to a MongoDB document using Java?后
我用java创建了一个mongo模式
它有子元素,我得到主文件的_id
我想在子元素中得到_id这里输出看起来(我已经标记了我需要的部分_id)b.party.find().pretty();
我用java创建了一个mongo模式
它有子元素,我得到主文件的_id
我想在子元素中得到_id这里输出看起来(我已经标记了我需要的部分_id)b.party.find().pretty();
{
"_id" : ObjectId("5399aba6e4b0ae375bfdca88"),"addressDetails" : [
{
// _id here
"locationName" : "Office","phones" : [
{ // _id here
"name" : "Tel1","value" : "95253-"
},{ // _id here
"name" : "Tel2",{ // _id here
"name" : "Tel3",{ // _id here
"name" : "Fax1","value" : "0253-"
}
],"address" : "A-3,MIDCA-3,MIDC","defaultBillAddreRSS" : "","pincode" : "422 010","city" : null,"state" : "1","country" : ""
},{ // _id here
"locationName" : "Factory","phones" : [
{ // _id here
"name" : "Tel1","value" : "0253-"
},"address" : "A-3 INDUSTRIAL AREA,","country" : ""
}
],"crLimit" : "0.0","crPeriod" : "","name" : "CROMPTON GREAVES "
}
要创建的Java代码类似于How to add an array to a MongoDB document using Java?
是否有任何代码在java中以编程方式创建ObjectId(“”)？
解决方法
要以编程方式创建objectId,请使用以下语法
ObjectId id = new ObjectId();
要么
ObjectId id = ObjectId.get();
如果你想提到父ID本身,
然后
ObjectId id = new ObjectId("5399aba6e4b0ae375bfdca88");
