我想使用登录模板，但是我不确定如何将数据从该模板发送到我的Flask API。我读到状态仅在组件中。真的吗？我尝试从具有组件的另一个文件中的渲染器内部调用Register函数，但出现有关无效钩子的错误。
Flask API
from flask import Blueprint, jsonify
from flask import request, make_response
import sqlite3
from sqlite3 import Error
import os.path
import json
main = Blueprint('main', __name__)
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
db_path = os.path.join(BASE_DIR, "database.db")
def connection():
try:
conn = sqlite3.connect(db_path)
except Error as e:
print(e)
return conn
@main.route('/add_review', methods=['POST'])
def add_review():
conn = connection()
cur = conn.cursor()
req = request.get_json()
busID = req.get('busID')
userID = req.get('userID')
review = req.get('review')
rating = req.get('rating')
sql = "INSERT INTO Review (businessID, userID, review, rating) VALUES (?, ?, ?, ?)"
data = (busID, userID, review, rating)
cur.execute(sql, data)
conn.commit()
cur.close()
return 'Done', 201
@main.route('/reviews')
def reviews():
conn = connection()
cur = conn.cursor()
name = "Halal Guys"
cur.execute("SELECT * FROM Review where businessID = (SELECT id FROM Business where name = \'{}\')".format(name))
reviews = cur.fetchall()
reviews_dict = []
for review in reviews:
content = {"id": review[0], "busID": review[1], "userID": review[2],
"review": review[3], "rating": review[4]}
reviews_dict.append(content)
return json.dumps(reviews_dict)
@main.route('/createUser', methods=['POST', 'OPTIONS'])
def createUser():
# handle option request
if request.method == "OPTIONS":
response = make_response()
response.headers["Access-Control-Allow-Origin"] = "*"
response.headers[
"Access-Control-Allow-Headers"
] = "Origin, Accept, Content-Type"
response.headers["Access-Control-Allow-Methods"] = "POST,OPTIONS"
response.headers["Access-Control-Allow-Credentials"] = "true"
return response
if request.method == "POST":
# do your SQL stuff
conn = connection()
cur = conn.cursor()
req = request.get_json()
first = req.get("FirstName")
last = req.get("LastName")
email = req.get("Email")
pw = req.get("Password")
sql = (
"INSERT INTO User (first, last, emailAddress, password) VALUES (?, ?, ?, ?)"
)
data = (first, last, email, pw)
cur.execute(sql, data)
conn.commit()
cur.close()
# make response
response = make_response("{}") # return empty JSON response
response.headers["Access-Control-Allow-Origin"] = "*"
response.headers[
"Content-Type"
] = "application/json" # set response type to JSON
return response
return "", 405
登录模板
import React from 'react';
import Avatar from '@material-ui/core/Avatar';
import Button from '@material-ui/core/Button';
import CssBaseline from '@material-ui/core/CssBaseline';
import TextField from '@material-ui/core/TextField';
import FormControlLabel from '@material-ui/core/FormControlLabel';
import Checkbox from '@material-ui/core/Checkbox';
import Link from '@material-ui/core/Link';
import Grid from '@material-ui/core/Grid';
import Box from '@material-ui/core/Box';
import Typography from '@material-ui/core/Typography';
import { makeStyles } from '@material-ui/core/styles';
import Container from '@material-ui/core/Container';
function Copyright() {
return (
<Typography variant="body2" color="textSecondary" align="center">
{'Copyright © '}
<Link color="inherit" href="https://material-ui.com/">
Your Website
</Link>{' '}
{new Date().getFullYear()}
{'.'}
</Typography>
);
}
const useStyles = makeStyles(theme => ({
paper: {
marginTop: theme.spacing(8),
display: 'flex',
flexDirection: 'column',
alignItems: 'center',
},
avatar: {
margin: theme.spacing(1),
backgroundColor: theme.palette.secondary.main,
},
form: {
width: '100%', // Fix IE 11 issue.
marginTop: theme.spacing(3),
},
submit: {
margin: theme.spacing(3, 0, 2),
},
}));
export default function Register() {
const classes = useStyles();
return (
<Container component="main" maxWidth="xs">
<CssBaseline />
<div className={classes.paper}>
<Avatar className={classes.avatar}>
</Avatar>
<Typography component="h1" variant="h5">
Sign up
</Typography>
<form className={classes.form} noValidate>
<Grid container spacing={2}>
<Grid item xs={12} sm={6}>
<TextField
autoComplete="fname"
name="firstName"
variant="outlined"
required
fullWidth
id="firstName"
label="First Name"
autoFocus
/>
</Grid>
<Grid item xs={12} sm={6}>
<TextField
variant="outlined"
required
fullWidth
id="lastName"
label="Last Name"
name="lastName"
autoComplete="lname"
/>
</Grid>
<Grid item xs={12}>
<TextField
variant="outlined"
required
fullWidth
id="email"
label="Email Address"
name="email"
autoComplete="email"
/>
</Grid>
<Grid item xs={12}>
<TextField
variant="outlined"
required
fullWidth
name="password"
label="Password"
type="password"
id="password"
autoComplete="current-password"
/>
</Grid>
<Grid item xs={12}>
<FormControlLabel
control={<Checkbox value="allowExtraEmails" color="primary" />}
label="I want to receive inspiration, marketing promotions and updates via email."
/>
</Grid>
</Grid>
<Button
type="submit"
fullWidth
variant="contained"
color="primary"
className={classes.submit}
>
Sign Up
</Button>
<Grid container justify="flex-end">
<Grid item>
<Link href="/login" variant="body2">
Already have an account? Sign in
</Link>
</Grid>
</Grid>
</form>
</div>
<Box mt={5}>
<Copyright />
</Box>
</Container>
);
}
尝试看一下react如何处理表格。 https://reactjs.org/docs/forms.html