[Python知识库]flask

from flask import Flask, render_template, request, url_for, flash, redirect
import json

app = Flask(__name__)
app.config['SECRET_KEY'] = 'DIDAIDAD,555'

@app.route('/hosts/restore/')
def restore():
    get_data = request.args.to_dict()
    host = get_data.get('host')
    database = get_data.get('database')
    data = {'host':host,'base':database}
    if host not in ['123','456']:
        return jsonify({'msg':'ip not exit'})
    else:
        return jsonify(data)

@app.route('/hosts/back/', methods=['post'])
def back():
    if request.method=='POST':
        #host = request.get_data()
        #database = request.get_data('database')
        #data = {'host': host, 'base': database}
        host = request.form.get('host')
        database = request.form.get('database')
        if not host or not database:
            return jsonify({'msg':'参数不能为空'})
        else:
            data = {'host':host,'base':database}
            return data

@app.route("/")
def index():
    #return "主页"
    lt = ['aaa', 'bbb', 'ccc']
    return render_template("index.html", datas = lt)
#set FLASK_APP=web   (export FLASK_APP=web)
#set FLASK_ENV=development  (export FLASK_ENV=development)
#flask run
@app.route("/hosts/<int:data_id>")
def hosts(data_id):
    return render_template("host.html")

@app.route('/hosts/backup', methods=('GET', 'POST'))
def backup():
    if request.method == 'POST':
        title = request.form['title']
        con = request.form['con']

        if not title:
            flash('标题不能为空')
        elif not con:
            flash('内容不能为空')
        else:
            #conn = get_db_conn()
            #conn.execute('insert into posts (title, content) values (?,?)',(title,con))
            #conn.commit()
            #conn.close()
            flash('保存成功')
            return redirect(url_for('index'))
    return render_template('host.html')