質問編集履歴
6
説明文追加
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＜後記、2021年5月6日＞
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全体像として、何をやりたかったを、Githubに記載しました。
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宜しかったら、眺めてください。改めて、皆さま、ありがとうございました。
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https://github.com/kazu0116/web_application
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＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
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HTMLと言うか、Jinja2の書き方の問題と言う気がするのですが、どうしても分かりません。
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教えてください。
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誤字修正
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return render_template( 'index
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return render_template( 'index1.html', list1s = list1s)
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<title>
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<title>Hello World</title>
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</head>
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<body>
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<h1>{{ title }}</h1>
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<h1>{{ title }}</h1>
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{% block content %}
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{% block content %}
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{% for list1 in list1s %}
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<p>{{list1}}</p>
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<p>{{loop.index}}:{{list1}}</p>
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{% endfor %}
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{% endblock %}
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{% endblock %}
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</form>
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</html>
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</html>コード
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```
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4
解決済の最終コードを追記（御参考）
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丸２日間、色々と試したのですが、どうしても上手くいきません。
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よろしくお願いいたします。
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＊＊＊＊＊＊＊＊＊＊＊＊
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2021年5月3日、TakaiYさんのアドバイスに基づき、解決しております。
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最終コードは下記です。（御参考まで）
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1. pythonのコード
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```ここに言語を入力
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from flask import Flask, render_template,request
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import pymysql
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app = Flask(__name__)
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@app.route('/', methods=['GET'])
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def get():
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return render_template('index.html', \
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title = 'Form Sample(get)', \
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message = 'Where do you want to go?')
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def getConnection():
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return pymysql.connect(
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host='localhost',
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db='first_db',
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user='root',
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password='yireozna',
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charset='utf8',
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cursorclass=pymysql.cursors.DictCursor
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)
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@app.route('/', methods=['POST'])
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def select_sql():
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connection = getConnection()
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message = "test"
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names = request.form.getlist('checkbox')
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list1s=[]
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for name in names:
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cursor = connection.cursor()
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sql = "select Country, Agency, email from tb3 where Country=%s";
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cursor.execute(sql, (name,))
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list = cursor.fetchall()
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list1s.append(list1)
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cursor.close()
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connection.close()
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print(list1s) #コンソール上で、キチンとデータが取得できているかどうかの確認用
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return render_template( 'index2.html', list1s = list1s)
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if __name__ == '__main__':
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app.run()
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```
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２．index.htmlのコード
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```ここに言語を入力
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<!doctype html>
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<html lang="ja">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<title>Hello World</title>
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</head>
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<body>
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<h1>{{ title }}</h1>
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<p>{{ message }}</p>
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<form action="/" method="POST" enctype="multipart/form-data">
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<div>
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<label for="ck1">Afgahanistan：</label>
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<input type="checkbox" id="ck1" name="checkbox" value="Afgahanistan">
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</div>
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<div>
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<label for="ck2">Australia：</label>
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<input type="checkbox" id="ck2" name="checkbox" value="Australia">
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</div>
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<div>
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<label for="ck3">England：</label>
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<input type="checkbox" id="ck3" name="checkbox" value="England">
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</div>
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<div>
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<label for="ck4">France：</label>
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<input type="checkbox" id="ck4" name="checkbox" value="France">
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</div>
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<div>
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<input type="submit" value="送信">
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</div>
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</form>
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</body>
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</html>
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３．index1.htmlのコード
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```ここに言語を入力
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<!doctype html>
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<html lang="ja">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<title>test_list</title>
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</head>
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<body>
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<h1>{{ title }}</h1>
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{% block content %}
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{% for list1 in list1s %}
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<p>{{list1}}</p>
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{% endfor %}
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{% endblock %} --!>
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</form>
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</body>
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</html>
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```
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4．mysqlのtb3のテーブル内容
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mysql> select * from tb3;
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+--------------+------------+------------------+
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| Country | Agency | email |
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+--------------+------------+------------------+
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| Afgahanistan | ABC Travel | 123@gmail.com |
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| Australia | DEF Travel | 456@yahoo.com |
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| England | GHI Travel | 789@hotmail.com |
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| France | JFK Travel | 1111@yahoo.co.jp |
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+--------------+------------+------------------+
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4 rows in set (0.00 sec)
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3
誤字修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -112,7 +112,7 @@
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if __name__ == '__main__':
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app.run()
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app.run()
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```
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2
コードの抜けを修正（ケアレスミスです。）
test
CHANGED
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File without changes
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test
CHANGED
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@@ -94,7 +94,7 @@
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list1s = cursor.fetchall() #Taka
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list1s = cursor.fetchall() #TakaiYさんのコメントを受け、誤字修正
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print(list1) #コンソール上での動作確認用
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1
コードの抜けを修正（ケアレスミス修正）
test
CHANGED
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File without changes
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test
CHANGED
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@@ -94,9 +94,9 @@
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list1 = cursor.fetchall()
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list1s = cursor.fetchall() #TakakiYさんのコメントを受け、誤字修正
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print(list1) #コンソール上での動作確認用
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print(list1) #コンソール上での動作確認用
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