python開發(fā)web服務(wù)的方法是什么

# pip install bottle

You are using pip version 9.0.3, however version 20.0.2 is available.You should consider upgrading via the 'pip install --upgrade pip' command

http://bootstrap.pypa.io/2.6/get-pip.py

#coding=utf-8from bottle import (run, route, get, post, put, delete, request, hook, response, static_file, app)import jsonimport MySQLdb #本例子需要操作數(shù)據(jù)庫，否則可以不寫這行，這個數(shù)據(jù)庫包pip估計安裝不會成功，我是用yum install MySQL-python成功的import sysreload(sys)sys.setdefaultencoding('utf8')
import bottleapp = bottle.default_app()#處理靜態(tài)資源需要定義，沒有靜態(tài)資源可以不寫這行#搭建vue腳手架前后臺聯(lián)調(diào)時要下面兩個@hook內(nèi)容，否則會報跨域訪問資源的錯誤@hook('before_request')def validate():    REQUEST_METHOD = request.environ.get('REQUEST_METHOD')
    HTTP_ACCESS_CONTROL_REQUEST_METHOD = request.environ.get('HTTP_ACCESS_CONTROL_REQUEST_METHOD')    if REQUEST_METHOD == 'OPTIONS' and HTTP_ACCESS_CONTROL_REQUEST_METHOD:        request.environ['REQUEST_METHOD'] = HTTP_ACCESS_CONTROL_REQUEST_METHOD

@hook('after_request')def enable_cors():    response.headers['Access-Control-Allow-Origin'] = '*'    response.headers['Access-Control-Allow-Methods'] = 'GET,POST,PUT,DELETE,OPTIONS'    response.headers['Access-Control-Allow-Headers'] = '*'
@route('/test2020/dist/<path>')#靜態(tài)資源在web服務(wù)下的地址，沒放前端的靜態(tài)資源這幾個route和app.route可以不寫def stat(path):    return static_file(path, root='./dist/')
@app.route('/test2020/dist/static/js/<path>')  def js(path):  #這幾個目錄我寫成這樣是因為vue打包完后目錄結(jié)構(gòu)就是dist 里面static等等    return static_file(path, root='./dist/static/js/')
@app.route('/test2020/dist/static/css/<path>')  def css(path):      return static_file(path, root='./dist/static/css/')    @get('/test2020/date')#返回某個表中的日期，看sql你就明白了def helloins():    db = MySQLdb.connect("127.0.0.1", "yourusername", "yourpassword", "yourDBname", charset='utf8' )    cursor = db.cursor()    sql = "select DISTINCT date from testtable"    print sql    cursor.execute(sql)    data = cursor.fetchall()    jsondata={}    results=[]    for row in data:        result = {}        result['DATE'] = row[0]        results.append(result)    jsondata['code']=0    jsondata['datas']=results    return jsondata  #返回json格式為了方便前端vue接收處理，其實返回各種類型都可以    @get('/test2020/helloworld')def helloworld():    return 'hello world!'    if __name__ == '__main__':    run(host='0.0.0.0', port=2020, debug=True, reloader=True)