xdc20201211/py/DynamoDB-PutItem.py

import boto3
import json


# use Reource
def put_hehe(name, year, dynamodb=None):
    if not dynamodb:
        dynamodb = boto3.resource('dynamodb')

    table = dynamodb.Table('hehe')
    response = table.put_item(
       Item={
            'name': name,
            'year': year,
            }
    )
    return response

# use Client        
def updata_ddb(name,msg,alias):
    client = boto3.client('dynamodb')
    table.update_item(TableName='hehe',
        Key={'mykey': {'S':name}},
        UpdateExpression='SET name = :name, alias = :alias',
        ExpressionAttributeValues={
        ':name': {
            'S': msg},
        ':alias':{
            'S': alias}
            })


if __name__ == '__main__':
    movie_resp = put_hehe('cxy','8848')
    print("Put movie succeeded:")