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我正在处理下面这样的字符串：

my_string = '{"amountexvat":"0.14","amountincvat":"0.15","currency":"EUR","paymentmethods":[{"details":{"acquirerapprovalcode":"037464","acquirerid":"A0000000031010","acquirerpoiid":"gyytfft55","adyentransactionid":"1234","adyentransactiontimestamp":"2021-10-08T15:28:07.000Z","cardname":"kll","cardtype":"hhgh","entrymodes":["ICC"],"flourpaymentreference":"889999","merchantid":"888","paymentbrand":"test","paymentvariant":"visastandardcredit","poitransactionid":"12345","poitransactionreconciliationid":"1000","poitransactiontimestamp":"2021-10-08T17:28:07.000Z","terminalid":"866777","transactionamount":0.15,"transactioncurrency":"EUR"},"type":"ec"}],"products":[{"amount":1,"baseprice":"0.15","discount":"0","discountedprice":null,"itemvat":"0.01","pricepaidexvat":"0.14","pricepaidincvat":"0.15","unit":"piece","vendorchangedprice":true}],"salevat":"0.01"}'

另一方面，我有 FPDF 对象（生成一些报告）。我想将 json 视图上传my_string到 FPDF 对象。

import fpdf

pdf = FPDF()

#Cover page
pdf.add_page()
pdf.set_font('Arial', 'B', 16)
pdf.cell(175, 10, 'TEST - report',0,1,'C')

你知道怎么处理吗？

my_string我的意思是Json视图：

在此处输入图像描述

我在 EMR AWS 上使用 jupyter notebook，我尝试将 json 文件（基于my_string）保存到 S3 存储桶，稍后以读取模式打开 json 并将该文件中的文本插入 pdf。

# save json to file in bucket
s3 = boto3.client('s3')
json_object = my_string
s3.put_object(
     Body=json.dumps(json_object),
     Bucket='my_bucket',
     Key='my_key'
)

# open the json file in read mode
s3client = boto3.client('s3')
 
# create a file object using the bucket and object key
fileobj = s3client.get_object(
    Bucket='my_bucket',
    Key='my_key'
    ) 

# open the file object and read it into the variable filedata
filedata = fileobj['Body'].read()

# decode file
contents = filedata.decode('latin-1') 

# insert the texts in pdf
for x in contents:
    pdf.cell(200, 10, txt = x, ln = 1, align = 'C')

不幸的是，它没有按我的意愿工作（文本保存在 pdf 报告中，但不是 json 格式）。你知道如何正确地将 json 的内容写入 PFDF 对象吗？

感谢您的任何想法。

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