python运行实例（demo_python_mongodb_delete

代码示例：（标识：demo_python_mongodb_delete_one）

demo_python_mongodb_delete_one.py

import pymongo

myclient = pymongo.MongoClient("mongodb://localhost:27017/")
mydb = myclient["mydatabase"]
mycol = mydb["customers"]

myquery = { "address": "Mountain 21" }

mycol.delete_one(myquery)


#print the customers collection after the deletion:
for x in mycol.find():
  print(x)

运行结果：

<!DOCTYPE html><html><head><meta charset="utf-8"><title>Python Result</title><style>*{margin:0;padding:0}body{background:#000;color:#fff;line-height:1.5;font-family:consolas,"courier new",monospace}#python_result{padding:8px}</style></head><body><div id="python_result">C:\Users\My Name&gt;python demo_python_mongodb_delete_one.py<br>{'_id': 1, 'name': 'John', 'address': 'Highway37'}<br>
{'_id': 2, 'name': 'Peter', 'address': 'Lowstreet 27'}<br>
{'_id': 3, 'name': 'Amy', 'address': 'Apple st 652'}<br>
{'_id': 5, 'name': 'Michael', 'address': 'Valley 345'}<br>
{'_id': 6, 'name': 'Sandy', 'address': 'Ocean blvd 2'}<br>
{'_id': 7, 'name': 'Betty', 'address': 'Green Grass 1'}<br>
{'_id': 8, 'name': 'Richard', 'address': 'Sky st 331'}<br>
{'_id': 9, 'name': 'Susan', 'address': 'One way 98'}<br>
{'_id': 10, 'name': 'Vicky', 'address': 'Yellow Garden 2'}<br>
{'_id': 11, 'name': 'Ben', 'address': 'Park Lane 38'}<br>
{'_id': 12, 'name': 'William', 'address': 'Central st 954'}<br>
{'_id': 13, 'name': 'Chuck', 'address': 'Main Road 989'}<br>
{'_id': 14, 'name': 'Viola', 'address': 'Sideway 1633'}</div></body></html>