質問編集履歴
4
修正
test
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test
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@@ -80,8 +80,6 @@
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app = Flask(__name__)
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app.secret_key = b'_5#y2L"F4Q8z\n\xec]/'
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84
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-
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app.config['SQLALCHEMY_DATABASE_URI'] = 'postgres://username@localhost:5432/sample'
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db = SQLAlchemy(app)
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3
プログラムを最新版に修正しました。
test
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test
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@@ -70,15 +70,19 @@
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71
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```python
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72
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73
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-
from flask import Flask, render_template
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73
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+
from flask import Flask, flash, render_template, request, redirect, url_for, abort, jsonify
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from flask_sqlalchemy import SQLAlchemy
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import sys
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app = Flask(__name__)
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+
app.secret_key = b'_5#y2L"F4Q8z\n\xec]/'
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84
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81
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-
app.config['SQLALCHEMY_DATABASE_URI'] = 'postgres://username@localhost:5432/
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85
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+
app.config['SQLALCHEMY_DATABASE_URI'] = 'postgres://username@localhost:5432/sample'
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82
86
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83
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db = SQLAlchemy(app)
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84
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@@ -86,19 +90,23 @@
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86
90
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87
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class Todo(db.Model):
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92
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89
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-
__tablename__ = 't
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93
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+
__tablename__ = 'todos'
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90
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-
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94
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+
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95
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+
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96
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91
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id = db.Column(db.Integer, primary_key=True)
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97
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id = db.Column(db.Integer, primary_key=True)
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92
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-
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98
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+
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93
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username = db.Column(db.String(), nullable=False)
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99
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username = db.Column(db.String(), nullable=False)
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94
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-
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100
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+
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95
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-
texts = db.Column(db.String()
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texts = db.Column(db.String(120))
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96
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-
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-
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def __repr__(self):
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def __repr__(self):
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100
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-
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108
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101
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-
return f'<Todo {self.id} {self.username} {self.texts}>'
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return f'<Todo {self.id} {self.username} {self.texts}>'
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@@ -108,55 +116,77 @@
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109
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#ユーザ名・テキストが入力されていたら、データベースに格納し、HTMLページに表示
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110
118
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111
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-
@app.route('/t
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+
@app.route('/todos/create', methods=['POST'])
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def create_todo():
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error = False
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body = {}
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try:
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115
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username = request.form
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username = request.form['username']
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116
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texts = request.form
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texts = request.form['texts']
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118
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-
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134
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+
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-
todo = Todo(texts=texts)
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todo = Todo(username=username, texts=texts)
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120
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-
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121
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-
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122
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-
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123
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-
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124
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-
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136
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+
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125
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-
if username and texts:
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if username and texts:
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126
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-
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db.session.add(todo)
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db.session.commit()
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144
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body['username'] = todo.username
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body['texts'] = todo.texts
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127
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-
flash("成功", "success")
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flash("成功", "success")
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128
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-
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-
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+
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-
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-
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134
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'username':todo.username,
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136
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-
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'texts': todo.texts
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138
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-
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139
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-
})
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140
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-
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141
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-
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142
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-
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143
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-
#ユーザー名、テキストが入力されていなかった時
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+
#ユーザー名、テキストが入力されていなかった時
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144
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-
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154
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+
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145
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-
elif username == "":
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155
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elif username == "":
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146
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-
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156
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147
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flash("名前を入力してください", "failed")
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157
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flash("名前を入力してください", "failed")
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148
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-
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158
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+
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149
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-
b.session.rollback()
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159
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+
b.session.rollback()
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150
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-
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151
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-
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152
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-
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160
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+
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161
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162
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153
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-
elif texts == "":
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163
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+
elif texts == "":
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154
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-
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164
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+
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155
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-
flash("テキストを入力してくfださい", "failed")
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flash("テキストを入力してくfださい", "failed")
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166
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+
db.session.rollback()
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168
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170
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except:
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error = True
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175
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db.session.rollback()
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159
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-
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+
print(sys.exc_info())
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finally:
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+
db.session.close()
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182
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if error:
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184
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185
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abort (400)
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186
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+
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else:
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188
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189
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return jsonify(body)
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160
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162
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@@ -164,7 +194,7 @@
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164
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165
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def index():
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166
196
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167
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-
return render_template('index.html', data=Todo.query.all())
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+
return render_template('index.html', data=Todo.query.all())
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168
198
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169
199
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```
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170
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@@ -174,123 +204,117 @@
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174
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175
205
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<html>
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176
206
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177
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-
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+
<head>
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178
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-
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208
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+
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179
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-
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209
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+
<title>Todo App</title>
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180
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-
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210
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+
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181
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-
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211
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+
<style>
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182
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-
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212
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+
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183
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-
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213
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+
.hidden{
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184
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-
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214
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+
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185
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-
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215
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+
display: none;
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216
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+
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217
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+
}
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218
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+
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219
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+
</style>
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220
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+
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221
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+
</head>
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222
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+
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223
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+
<body>
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224
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+
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225
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+
<form method="post" action="/todos/create">
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226
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+
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227
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+
<h4>username</h4>
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228
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+
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229
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+
<input type= "text" name="username" />
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230
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+
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231
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+
<h4>texts</h4>
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232
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+
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233
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+
<input type= "text" name="texts" />
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234
|
+
|
|
235
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+
<input type= "submit" value="Create" />
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|
236
|
+
|
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237
|
+
</form>
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|
238
|
+
|
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239
|
+
<div id= "error" class="hidden">Something went wrong!</div>
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|
240
|
+
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241
|
+
<ul>
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242
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+
|
|
243
|
+
{% for d in data %}
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|
244
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+
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245
|
+
<li>{{d.username}}</li>
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|
246
|
+
|
|
247
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+
<li>{{d.texts}}</li>
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|
248
|
+
|
|
249
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+
{% endfor %}
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250
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+
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251
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+
</ul>
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252
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+
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253
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+
<script>
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254
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+
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255
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+
const unameInput = document.getElementById('username');
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256
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+
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257
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+
const txInput = document.getElementById('texts');
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258
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+
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259
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+
document.getElementById('form').onsubmit = function(e) {
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260
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+
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261
|
+
e.preventDefault();
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262
|
+
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263
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+
const name = unameInput.value;
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264
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+
|
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265
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+
const texts = txInput.value;
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266
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+
|
|
267
|
+
descInput.value = '';
|
|
268
|
+
|
|
269
|
+
fetch('/todos/create', {
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|
270
|
+
|
|
271
|
+
method: 'POST',
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|
272
|
+
|
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273
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+
body: JSON.stringify({
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|
274
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+
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275
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+
'username': username,
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276
|
+
|
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277
|
+
'texts': texts,
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|
278
|
+
|
|
279
|
+
}),
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280
|
+
|
|
281
|
+
headers: {
|
|
282
|
+
|
|
283
|
+
'Content-Type': 'application/json',
|
|
284
|
+
|
|
285
|
+
}
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|
286
|
+
|
|
287
|
+
})
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288
|
+
|
|
289
|
+
.then(response => response.json())
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290
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+
|
|
291
|
+
.then(jsonResponse => {
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292
|
+
|
|
293
|
+
console.log('response', jsonResponse);
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|
294
|
+
|
|
295
|
+
li = document.createElement('li');
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296
|
+
|
|
297
|
+
li.innerText = name;
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298
|
+
|
|
299
|
+
li.innerText = city;
|
|
300
|
+
|
|
301
|
+
document.getElementById('todos').appendChild(li);
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|
302
|
+
|
|
303
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+
document.getElementById('error').className = 'hidden';
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304
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+
|
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305
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+
})
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|
306
|
+
|
|
307
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+
.catch(function() {
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308
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+
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309
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+
document.getElementById('error').className = '';
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310
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+
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311
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+
})
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186
312
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|
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187
313
|
}
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188
314
|
|
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189
|
-
</style>
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190
|
-
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|
191
|
-
</head>
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192
|
-
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|
193
|
-
<body>
|
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194
|
-
|
|
195
|
-
<div id="error" class="hidden">Something went wrong!</div>
|
|
196
|
-
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|
197
|
-
<form id="form" method="post" action="/texts/create">
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198
|
-
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|
199
|
-
<input type="text" id="username" name="username">
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|
200
|
-
|
|
201
|
-
<input type="text" id="texts" name="texts" />
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|
202
|
-
|
|
203
|
-
<input type="submit" value="Create" />
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|
204
|
-
|
|
205
|
-
</form>
|
|
206
|
-
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|
207
|
-
<ul id="username">
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208
|
-
|
|
209
|
-
{% for d in data %}
|
|
210
|
-
|
|
211
|
-
<li>{{d.username}}</li>
|
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212
|
-
|
|
213
|
-
{% endfor %}
|
|
214
|
-
|
|
215
|
-
</ul>
|
|
216
|
-
|
|
217
|
-
<ul id="texts">
|
|
218
|
-
|
|
219
|
-
{% for d in data %}
|
|
220
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-
|
|
221
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-
<li>{{ d.texts }}</li>
|
|
222
|
-
|
|
223
|
-
{% endfor %}
|
|
224
|
-
|
|
225
|
-
</ul>
|
|
226
|
-
|
|
227
|
-
<script>
|
|
228
|
-
|
|
229
|
-
const nmInput = document.getElementById('username')
|
|
230
|
-
|
|
231
|
-
const descInput = document.getElementById('texts');
|
|
232
|
-
|
|
233
|
-
document.getElementById('form').onsubmit = function(e) {
|
|
234
|
-
|
|
235
|
-
e.preventDefault();
|
|
236
|
-
|
|
237
|
-
const nm = nameInput.value;
|
|
238
|
-
|
|
239
|
-
const desc = descInput.value;
|
|
240
|
-
|
|
241
|
-
descInput.value = '';
|
|
242
|
-
|
|
243
|
-
fetch('/texts/create', {
|
|
244
|
-
|
|
245
|
-
method: 'POST',
|
|
246
|
-
|
|
247
|
-
body: JSON.stringify({
|
|
248
|
-
|
|
249
|
-
'username':nm,
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250
|
-
|
|
251
|
-
'texts': desc,
|
|
252
|
-
|
|
253
|
-
}),
|
|
254
|
-
|
|
255
|
-
headers: {
|
|
256
|
-
|
|
257
|
-
'Content-Type': 'application/json',
|
|
258
|
-
|
|
259
|
-
}
|
|
260
|
-
|
|
261
|
-
})
|
|
262
|
-
|
|
263
|
-
.then(response => response.json())
|
|
264
|
-
|
|
265
|
-
.then(jsonResponse => {
|
|
266
|
-
|
|
267
|
-
console.log('response', jsonResponse);
|
|
268
|
-
|
|
269
|
-
li = document.createElement('li');
|
|
270
|
-
|
|
271
|
-
li.innerText = nm;
|
|
272
|
-
|
|
273
|
-
li.innerText = desc;
|
|
274
|
-
|
|
275
|
-
document.getElementById('usernames').appendChild(li);
|
|
276
|
-
|
|
277
|
-
document.getElementById('texts').appendChild(li);
|
|
278
|
-
|
|
279
|
-
document.getElementById('error').className = 'hidden';
|
|
280
|
-
|
|
281
|
-
})
|
|
282
|
-
|
|
283
|
-
.catch(function() {
|
|
284
|
-
|
|
285
|
-
document.getElementById('error').className = '';
|
|
286
|
-
|
|
287
|
-
})
|
|
288
|
-
|
|
289
|
-
}
|
|
290
|
-
|
|
291
315
|
</script>
|
|
292
316
|
|
|
293
|
-
|
|
317
|
+
</body>
|
|
294
318
|
|
|
295
319
|
</html>
|
|
296
320
|
|
2
コードの修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -10,6 +10,8 @@
|
|
|
10
10
|
|
|
11
11
|
フォームが空欄の時はフラッシュメッセージを使って警告をしてデータベースには格納せず、フォームが空欄でない場合はSQLAlchemyを使ってデータベースに入力されたデータを格納しています。
|
|
12
12
|
|
|
13
|
+
|
|
14
|
+
|
|
13
15
|
### 発生している問題・エラーメッセージ
|
|
14
16
|
|
|
15
17
|
現在以下のコマンドでPythonプログラムを実行すると、HTML画面は問題なく表示されるのですが、入力ボタンを押してもデータがデータベースに格納されず、ウェブブラウザにも表示されない状況です。
|
|
@@ -118,26 +120,28 @@
|
|
|
118
120
|
|
|
119
121
|
|
|
120
122
|
|
|
123
|
+
|
|
124
|
+
|
|
125
|
+
if username and texts:
|
|
126
|
+
|
|
127
|
+
flash("成功", "success")
|
|
128
|
+
|
|
129
|
+
db.session.add(todo)
|
|
130
|
+
|
|
131
|
+
db.session.commit()
|
|
132
|
+
|
|
133
|
+
return jsonify({
|
|
134
|
+
|
|
135
|
+
'username':todo.username,
|
|
136
|
+
|
|
137
|
+
'texts': todo.texts
|
|
138
|
+
|
|
139
|
+
})
|
|
140
|
+
|
|
141
|
+
|
|
142
|
+
|
|
121
143
|
#ユーザー名、テキストが入力されていなかった時
|
|
122
144
|
|
|
123
|
-
if username and texts:
|
|
124
|
-
|
|
125
|
-
flash("成功", "success")
|
|
126
|
-
|
|
127
|
-
db.session.add(todo)
|
|
128
|
-
|
|
129
|
-
db.session.commit()
|
|
130
|
-
|
|
131
|
-
return jsonify({
|
|
132
|
-
|
|
133
|
-
'username':todo.username,
|
|
134
|
-
|
|
135
|
-
'texts': todo.texts
|
|
136
|
-
|
|
137
|
-
})
|
|
138
|
-
|
|
139
|
-
|
|
140
|
-
|
|
141
145
|
elif username == "":
|
|
142
146
|
|
|
143
147
|
flash("名前を入力してください", "failed")
|
1
typo
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -64,7 +64,7 @@
|
|
|
64
64
|
|
|
65
65
|
|
|
66
66
|
|
|
67
|
-
pp.py
|
|
67
|
+
app.py
|
|
68
68
|
|
|
69
69
|
```python
|
|
70
70
|
|