vararr\avatarhttptanqiuosscnbe…

var arr = [{
avatar: "http://tanqiu.oss-cn-beijing.aliyuncs.com/c461c9.png",
cid: 0,
content: "现阶段可以还是能你来就到位了",
createTime: "2019-07-01 11:11:11.0",
delAccountId: 0,
delState: 0,
delUid: 0,
id: 1,
isGod: 1,
postId: 18,
uid: 1,
upvoteRate: 23,
userAvatar: "http://tqty.oss-cn-hangzhou.aliyuncs.com/post/image/2ba4c492f173473aad7f36bc3cab6d991562830093279.jpg",
userName: "用户91214980"
}, {
avatar: "http://tanqiu.oss-cn-",
cid: 1,
content: "时代风口浪尖欧文",
createTime: "2019-07-01 11:12:38.0",
delAccountId: 0,
delState: 0,
delUid: 0,
id: 2,
isGod: 0,
postId: 18,
uid: 2,
upvoteRate: 33,
userAvatar: "http://tqty.oss-cn-hangzhou.aliyuncs.com/user/73c915.png",
userName: "麻咪"
}, {
avatar: null,
cid: 2,
content: "洛克人碰到困难",
createTime: "2019-07-01 11:12:54.0",
delAccountId: 0,
delState: 0,
delUid: 0,
id: 3,
isGod: 0,
postId: 18,
uid: 3,
upvoteRate: 323,
userAvatar: "http://tqty.oss-cn-hangzhou.aliyuncs.com/user/73c915.png",
userName: "用户91257821"
}, {
avatar: null,
cid: 1,
content: "是方法可承接导入我佩服",
createTime: "2019-07-01 14:16:09.0",
delAccountId: 0,
delState: 0,
delUid: 0,
id: 4,
isGod: 0,
postId: 18,
uid: 4,
upvoteRate: 214,
userAvatar: "http://tqty.oss-cn-hangzhou.aliyuncs.com/user/73c915.png",
userName: "用户94380214"
}]

怎么把这个数据处理为cid等于id，就是他的子集，并且要删除这条数据，放在子集，然后子集id等于数据的cid，也放进子集，并且加个字段值为父集的userName，删除这条数据