提交表单后出现内部服务器错误 flask,sqlite3

Question

我从表单中插入了新记录，数据将成功添加到数据库中，但它会显示错误页面“内部服务器错误”，如果我手动返回我的表单页面并刷新我可以看到插入数据，但我想让它自己刷新并且不显示错误页面，怎么办？

from flask import Flask, render_template, request
import sqlite3

app = Flask(__name__)

db_name = 'crm.db'

@app.route('/')
def index():
   title = "主页"
   return render_template("index.html", title = title)

@app.route('/company', methods = ['POST','GET'])
def company():
   if request.method == 'GET':
       title = "公司"
       company_db = query_company()
       return render_template("company.html", title = title, company_db = company_db)
   else:
       insert_company()

def query_company():
   connection = sqlite3.connect(db_name)
   c = connection.cursor()
   c.execute("""SELECT * FROM company""")
   company_db = c.fetchall()
   return company_db

def insert_company():
   connection = sqlite3.connect(db_name)
   c = connection.cursor()
   query = 'INSERT INTO company(company_full_name, company_short_name) VALUES(?,?)'
   cfn = request.form.get("cfn")
   csn = request.form.get("csn")
   company_info = (cfn,csn)
   c.execute(query, company_info)
   connection.commit()
   connection.close()

if __name__ == '__main__':
   app.run(debug = True)

Answer 1

将公司职能更改为...

def company():
   if request.method == 'POST':
       insert_company()

   title = "公司"
   company_db = query_company()
   return render_template("company.html", title = title, company_db = company_db)

这样会先插入新数据，然后自动刷新所有行

提交表单后出现内部服务器错误 flask,sqlite3

internal server error after submitting a form flask,sqlite3

python

sqlite

flask