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part4_db1.py
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part4_db1.py
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import sqlite3
from flask import Flask, render_template, request
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Hello World!'
@app.route('/std_db')
def std_db():
# step1 : connect to db
conn = sqlite3.connect('std2.sqlite')
# step2 : define cursor
cur = conn.cursor()
# step3: execute SQL statement
# select <field name(s)> from table
# select std_id, dept from std_info
cur.execute('''select * from std_info''')
# step4: fetch records
rows = cur.fetchall()
# print(rows)
return render_template('std08.html', rows=rows)
@app.route('/std_id')
def std_id():
student_id = request.args.get('stdid')
# step1 : connect to db
conn = sqlite3.connect('std2.sqlite')
# step2 : define cursor
cur = conn.cursor()
# step3: execute SQL statement
# select <field name(s)> from table
# select std_id, dept from std_info
cur.execute('''select * from std_info where std_id={}'''.format(student_id))
# step4: fetch records
rows = cur.fetchall()
# print(rows)
return render_template('std08.html', rows=rows)
if __name__ == '__main__':
app.run(debug=True)