Django操作mongo数据库二（MongoClient方式）

一、基本环境

1、开发环境：

Python环境：Python 3.8.16

Django环境：4.1

2、需要安装的包

pip install pymongo

pip install mongoengine

二、开发参数配置

1、先创建一个mongoApp的应用

2、引入mongoApp2的urls

3、编写对mongo库的增删改查方法（核心）

from django.shortcuts import render
import pymongo
from django.http import JsonResponse, HttpResponse
from pymongo import MongoClient
 
# 配置链接信息
client = MongoClient('mongodb://root:Lhs123456@172.31.10.9:27017')
# 指定数据库
db = client['ycdb']
# 指定集合
collection = db['student_info']
 
 
#数据插入
def stuInser(request):
    stu1 = {'id': '001', 'name': 'zhangsan', 'age': 10}
    result = collection.insert_one(stu1)
    #print("result",result)
    return HttpResponse("insert success")
 
#增加多条
def stuInserMany(request):
    stu2 = {'id': '002', 'name':'lisi', 'age':15}
    stu3 = {'id': '003', 'name':'wangwu', 'age':20}
    result = collection.insert_many([stu2, stu3])
    return HttpResponse("insert many success")
 
 
#删除多条数据
def stuDeleteMany(request):
    result = collection.delete_many({"name": "zhangsan"})
    return HttpResponse("delete many success")
 
# 删除一条数据
def stuDeleteOne(request):
    result = collection.delete_one({"id": "001"})
    return HttpResponse("delete single success")
 
#修改一条数据
#update_one,第 2 个参数需要使用$类型操作符作为字典的键名
#姓名为zhangsan的记录，age修改为22
def stuUpdateOne(request):
    condition = {'name': 'zhangsan'}
    res = collection.find_one(condition)
    res['age'] = 22
    result = collection.update_one(condition, {'$set': res})
    print(result.matched_count,result.modified_count) #获得匹配的数据条数、影响的数据条数
    return HttpResponse("update single success")
 
#修改多条
#update_many,所有年龄为15的name修改为xixi
def stuUpdateMany(request):
    condition = {'age': 15}
    result = collection.update_many(condition, {'$set': {'name': 'xixi'}})
    print(result)  # 返回结果是UpdateResult类型
    print(result.matched_count, result.modified_count)  # 获得匹配的数据条数、影响的数据条数
    return HttpResponse("update many success")
 
#查询多条
def stuSelectMany(request):
    rets = collection.find({"age": 20})
    for ret in rets:
        print(ret)
 
    # 查询结果按年龄升序排序
    results = collection.find().sort('age', pymongo.ASCENDING)
    print([result['age'] for result in results])
    return HttpResponse("select many success")
 
#查询单条
def stuSelectOne(request):
    ret = collection.find_one({'name': 'zhangsan'})
    print(ret)
    return HttpResponse("select one success")