问如何在json中发布作为后台？

EN

from fastapi import FastAPI, Form, Depends, Request
from fastapi.responses import JSONResponse
from fastapi.encoders import jsonable_encoder
from fastapi.templating import Jinja2Templates
from googletrans import Translator
import uvicorn

#connect to translator
translator = Translator(service_urls=['translate.googleapis.com'])

app = FastAPI(debug=True)
templates = Jinja2Templates(directory="template")

@app.get("/")
async def home(request: Request):
    return ('index.html',{'request': request})


@app.post("/")
async def trans(request: Request):
    text = request.get('Input_text')
    lang = request.get('lang_select')

    # detect language text
    #dt = translator.detect(text)
    # detect input language
    #dt2 = dt.lang

    # translate the text
    translated = translator.translate(text,lang)
    out_text = translated.text
    pronouce = out_text.pronunciation

#transData={'request': request ,'text_translate': out_text,'text_pronouce':pronouce}
    data = jsonable_encoder({'text_translate': out_text,'text_pronouce':pronouce})
    return JSONResponse(content=data)

if __name__=="__main__":
   uvicorn.run(app,host="127.0.0.1",port=8000)