Python Flask妗嗘灦璇﹁В，,鏍囩锛?a hre
Python Flask妗嗘灦璇﹁В，,鏍囩锛?a hre
鏍囩锛?a href='http://www.byrx.net/so/1/%e6%96%87%e4%bb%b6%e5%8a%a0%e8%bd%bd' title='鏂囦欢鍔犺浇'>鏂囦欢鍔犺浇
銆€銆€Flask 鏈韩鐩稿綋浜庝竴涓唴鏍革紝鍏朵粬鍑犱箮鎵€鏈夌殑鍔熻兘閮借鐢ㄥ埌鎵╁睍锛岄兘闇€瑕佺敤绗笁鏂圭殑鎵╁睍鏉ュ疄鐜帮紝姣斿鍙互鐢?Flask 鎵╁睍鍔犲叆ORM銆佺獥浣撻獙璇佸伐鍏凤紝鏂囦欢涓婁紶銆佽韩浠介獙璇佺瓑銆侳lask 娌℃湁榛樿浣跨敤鐨勬暟鎹簱锛屼綘鍙互閫夋嫨 MySQL锛屼篃鍙互鐢?NoSQL銆?/p>
銆€銆€鍏?WSGI 宸ュ叿绠遍噰鐢?Werkzeug锛堣矾鐢辨ā鍧楋級锛屾ā鏉垮紩鎿庡垯浣跨敤 Jinja2銆傝繖涓や釜涔熸槸 Flask 妗嗘灦鐨勬牳蹇冦€?/p>
Flask甯哥敤鎵╁睍鍖咃細
Flask-SQLalchemy锛氭搷浣滄暟鎹簱锛?/li>Flask-script锛氭彃鍏ヨ剼鏈紱Flask-migrate锛氱鐞嗚縼绉绘暟鎹簱锛?/li>Flask-Session锛歋ession瀛樺偍鏂瑰紡鎸囧畾锛?/li>Flask-WTF锛氳〃鍗曪紱Flask-Mail锛氶偖浠讹紱Flask-Bable锛氭彁渚涘浗闄呭寲鍜屾湰鍦板寲鏀寔锛岀炕璇戯紱Flask-Login锛氳璇佺敤鎴风姸鎬侊紱Flask-OpenID锛氳璇侊紱Flask-RESTful锛氬紑鍙慠EST API鐨勫伐鍏凤紱Flask-Bootstrap锛氶泦鎴愬墠绔疶witter Bootstrap妗嗘灦锛?/li>Flask-Moment锛氭湰鍦板寲鏃ユ湡鍜屾椂闂达紱Flask-Admin锛氱畝鍗曡€屽彲鎵╁睍鐨勭鐞嗘帴鍙ｇ殑妗嗘灦涓枃鏂囨。锛?a href="http://docs.jinkan.org/docs/flask/" target="_blank">http://docs.jinkan.org/docs/flask/锛?/li>鑻辨枃鏂囨。锛?a href="http://flask.pocoo.org/docs/0.11/" target="_blank">http://flask.pocoo.org/docs/0.11/锛?/li>鎵╁睍鍒楄〃锛?a href="http://flask.pocoo.org/extensions/" target="_blank">http://flask.pocoo.org/extensions/#瀹夎pip install flask==0.10.1 # 鍚庨潰涓虹増鏈彿
1銆佹柊寤烘枃浠秇elloworld.py
# 瀵煎叆Flask绫?/span>from flask import Flask# Flask鍑芥暟鎺ユ敹涓€涓弬鏁癬_name__锛屽畠浼氭寚鍚戠▼搴忔墍鍦ㄧ殑鍖?/span>app = Flask(__name__)# 瑁呴グ鍣ㄧ殑浣滅敤鏄皢璺敱鏄犲皠鍒拌鍥惧嚱鏁?index@app.route(鈥?/span>/鈥?/span>)def index(): return 鈥?/span>Hello World鈥?/span># Flask搴旂敤绋嬪簭瀹炰緥鐨?run 鏂规硶 鍚姩 WEB 鏈嶅姟鍣?/span>if __name__ == 鈥?/span>__main__鈥?/span>: app.run() # 鍙互鎸囧畾杩愯鐨勪富鏈篒P鍦板潃锛岀鍙ｏ紝鏄惁寮€鍚皟璇曟ā寮?/span> # app.run(host="0.0.0.0", port=8888, debug = True)
2銆佺浉鍏抽厤缃弬鏁?/h2>
Flask 绋嬪簭瀹炰緥鍦ㄥ垱寤虹殑鏃跺€欙紝闇€瑕侀粯璁や紶鍏ュ綋鍓?Flask 绋嬪簭鎵€鎸囧畾鐨勫寘(妯″潡)
app = Flask(__name__)
3.鍔犺浇閰嶇疆鏂囦欢
鍦?Flask 绋嬪簭杩愯鐨勬椂鍊欙紝鍙互缁?Flask 璁剧疆鐩稿叧閰嶇疆锛屾瘮濡傦細閰嶇疆 Debug 妯″紡锛岄厤缃暟鎹簱杩炴帴鍦板潃绛夌瓑锛岃缃?Flask 閰嶇疆鏈変互涓嬩笁绉嶆柟寮忥細
浠庨厤缃璞′腑鍔犺浇(甯哥敤)app.config.form_object()浠庨厤缃枃浠朵腑鍔犺浇app.config.form_pyfile()浠庣幆澧冨彉閲忎腑鍔犺浇(涓嶅父鐢?app.config.from_envvar()3.1閰嶇疆瀵硅薄鍔犺浇
# 閰嶇疆瀵硅薄锛岄噷闈㈠畾涔夐渶瑕佺粰 APP 娣诲姞鐨勪竴绯诲垪閰嶇疆class Config(object): DEBUG = True# 鍒涘缓 Flask 绫荤殑瀵硅薄,鎸囧悜绋嬪簭鎵€鍦ㄧ殑鍖呯殑鍚嶇Оapp = Flask(__name__)# 浠庨厤缃璞′腑鍔犺浇閰嶇疆app.config.from_object(Config)
3.2閰嶇疆鏂囦欢鍔犺浇
鍒涘缓閰嶇疆鏂囦欢config.ini锛屽湪閰嶇疆鏂囦欢涓坊鍔犻厤缃?/p>
鏍煎紡eg: DEBUG = True
# 鍒涘缓 Flask 绫荤殑瀵硅薄,鎸囧悜绋嬪簭鎵€鍦ㄧ殑鍖呯殑鍚嶇Оapp = Flask(__name__)# 浠庨厤缃枃浠朵腑鍔犺浇閰嶇疆app.config.from_pyfile(鈥?/span>config.ini鈥?/span>)
3.4璇诲彇閰嶇疆
app.config.get()鍦ㄨ鍥惧嚱鏁颁腑浣跨敤 current_app.config.get()娉細Flask 搴旂敤绋嬪簭灏嗕竴浜涘父鐢ㄧ殑閰嶇疆璁剧疆鎴愪簡搴旂敤绋嬪簭瀵硅薄鐨勫睘鎬э紝涔熷彲浠ラ€氳繃灞炴€х洿鎺ヨ缃?鑾峰彇鏌愪簺閰嶇疆锛歛pp.debug = True
4 璺敱瀹氫箟
4.1鎸囧畾璺敱鍦板潃
# 鎸囧畾璁块棶璺緞涓?hello@app.route(鈥?/span>/hello鈥?/span>)def demo1(): return 鈥?/span>hello world鈥?/span>
4.2缁欒矾鐢变紶鍙?/h3># 璺敱浼犻€掑弬鏁?/span>@app.route(鈥?/span>/user/<user_id>鈥?/span>)def user_info(user_id): return 鈥?/span>hello %s鈥?/span> % user_id# 璺敱浼犻€掔殑鍙傛暟榛樿褰撳仛 string 澶勭悊锛屼篃鍙互鎸囧畾鍙傛暟鐨勭被鍨?/span># 璺敱浼犻€掑弬鏁?/span>@app.route(鈥?/span>/user/<int:user_id>鈥?/span>)def user_info(user_id): return 鈥?/span>hello %d鈥?/span> % user_id
4.3鎸囧畾璇锋眰鏂瑰紡
鍦?Flask 涓紝瀹氫箟涓€涓矾鐢憋紝榛樿鐨勮姹傛柟寮忎负锛?/p>GETOPTIONS(鑷甫)HEAD(鑷甫)
@app.route(鈥?/span>/login鈥?/span>, methods=[鈥?/span>GET鈥?/span>, 鈥?/span>POST鈥?/span>]) # 鏀寔GET鍜孭OST锛屽苟涓旀敮鎸佽嚜甯︾殑OPTIONS鍜孒EADdef login(): # 鐩存帴浠庤姹備腑鍙栧埌璇锋眰鏂瑰紡骞惰繑鍥?/span> return request.method
4.4 姝ｅ垯鍖归厤璺敱
鍦?web 寮€鍙戜腑锛屽彲鑳戒細鍑虹幇闄愬埗鐢ㄦ埛璁块棶瑙勫垯鐨勫満鏅紝閭ｄ箞杩欎釜鏃跺€欏氨闇€瑕佺敤鍒版鍒欏尮閰嶏紝鏍规嵁鑷繁鐨勮鍒欏幓闄愬畾璇锋眰鍙傛暟鍐嶈繘琛岃闂?/p>
鍏蜂綋瀹炵幇姝ラ涓猴細
瀵煎叆杞崲鍣ㄥ熀绫伙細鍦?Flask 涓紝鎵€鏈夌殑璺敱鐨勫尮閰嶈鍒欓兘鏄娇鐢ㄨ浆鎹㈠櫒瀵硅薄杩涜璁板綍鑷畾涔夎浆鎹㈠櫒锛氳嚜瀹氫箟绫荤户鎵夸簬杞崲鍣ㄥ熀绫?/li>娣诲姞杞崲鍣ㄥ埌榛樿鐨勮浆鎹㈠櫒瀛楀吀涓?/li>浣跨敤鑷畾涔夎浆鎹㈠櫒瀹炵幇鑷畾涔夊尮閰嶈鍒?/li>锛?锛夊鍏ヨ浆鎹㈠櫒鍩虹被
from werkzeug.routing import BaseConverter
锛?锛夎嚜瀹氫箟杞崲鍣?/p>
# 鑷畾涔夋鍒欒浆鎹㈠櫒class RegexConverter(BaseConverter): def __init__(self, url_map, *args): super(RegexConverter, self).__init__(url_map) # 灏嗘帴鍙楃殑绗?涓弬鏁板綋浣滃尮閰嶈鍒欒繘琛屼繚瀛?/span> self.regex = args[0]
锛?锛夋坊鍔犺浆鎹㈠櫒鍒伴粯璁ょ殑杞崲鍣ㄥ瓧鍏镐腑锛屽苟鎸囧畾杞崲鍣ㄤ娇鐢ㄦ椂鍚嶅瓧涓? re
app = Flask(__name__)# 灏嗚嚜瀹氫箟杞崲鍣ㄦ坊鍔犲埌杞崲鍣ㄥ瓧鍏镐腑锛屽苟鎸囧畾杞崲鍣ㄤ娇鐢ㄦ椂鍚嶅瓧涓? reapp.url_map.converters[鈥?/span>re鈥?/span>] = RegexConverter
锛?锛変娇鐢ㄨ浆鎹㈠櫒鍘诲疄鐜拌嚜瀹氫箟鍖归厤瑙勫垯
# 褰撳墠姝ゅ瀹氫箟鐨勮鍒欐槸锛?浣嶆暟瀛?/span>@app.route(鈥?/span>/user/<re("[0-9]{3}"):user_id>鈥?/span>)def user_info(user_id): return "user_id 涓?%s" % user_id# 绯荤粺鑷甫杞崲鍣?/span>DEFAULT_CONVERTERS = { 鈥?/span>default鈥?/span>: UnicodeConverter, 鈥?/span>string鈥?/span>: UnicodeConverter, 鈥?/span>any鈥?/span>: AnyConverter, 鈥?/span>path鈥?/span>: PathConverter, 鈥?/span>int鈥?/span>: IntegerConverter, 鈥?/span>float鈥?/span>: FloatConverter, 鈥?/span>uuid鈥?/span>: UUIDConverter,}# 绯荤粺鑷甫鐨勮浆鎹㈠櫒鍏蜂綋浣跨敤鏂瑰紡鍦ㄦ瘡绉嶈浆鎹㈠櫒鐨勬敞閲婁唬鐮佷腑鏈夊啓锛岃鐣欐剰姣忕杞崲鍣ㄥ垵濮嬪寲鐨勫弬鏁?/span>鑷畾涔夎浆鎹㈠櫒鍏朵粬涓や釜鍑芥暟瀹炵幇锛?/p>
缁ф壙浜庤嚜瀹氫箟杞崲鍣ㄤ箣鍚庯紝杩樺彲浠ュ疄鐜?to_python 鍜?to_url 杩欎袱涓嚱鏁板幓瀵瑰尮閰嶅弬鏁板仛杩涗竴姝ュ鐞嗭細
to_python锛?璇ュ嚱鏁板弬鏁颁腑鐨?value 鍊间唬琛ㄥ尮閰嶅埌鐨勫€硷紝鍙緭鍑鸿繘琛屾煡鐪?/li>鍖归厤瀹屾垚涔嬪悗锛屽鍖归厤鍒扮殑鍙傛暟浣滄渶鍚庝竴姝ュ鐞嗗啀杩斿洖锛屾瘮濡傦細杞垚 int 绫诲瀷鐨勫€煎啀杩斿洖锛?/li>class RegexConverter(BaseConverter): def __init__(self, url_map, *args): super(RegexConverter, self).__init__(url_map) # 灏嗘帴鍙楃殑绗?涓弬鏁板綋浣滃尮閰嶈鍒欒繘琛屼繚瀛?/span> self.regex = args[0] def to_python(self, value): return int(value) # 鍦ㄨ鍥惧嚱鏁颁腑鍙互鏌ョ湅鍙傛暟鐨勭被鍨嬶紝鐢变箣鍓嶉粯璁ょ殑 str 宸插彉鎴?int 绫诲瀷鐨勫€?/span>銆€銆€to_url:銆€銆€鍦ㄤ娇鐢?url_for 鍘昏幏鍙栬鍥惧嚱鏁版墍瀵瑰簲鐨?url 鐨勬椂鍊欙紝浼氳皟鐢ㄦ鏂规硶瀵?url_for 鍚庨潰浼犲叆鐨勮鍥惧嚱鏁板弬鏁板仛杩涗竴姝ュ鐞?/li>銆€銆€鍏蜂綋鍙弬瑙?Flask 鐨?app.py 涓啓鐨勭ず渚嬩唬鐮侊細ListConverter
Python Flask妗嗘灦璇﹁В
鏍囩锛?a href='http://www.byrx.net/so/1/%e6%96%87%e4%bb%b6%e5%8a%a0%e8%bd%bd' title='鏂囦欢鍔犺浇'>鏂囦欢鍔犺浇
鍘熸枃鍦板潃锛歨ttps://www.cnblogs.com/caijunchao/p/12663871.html
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