from flask import Flask, jsonify, abort, make_response, request, redirect, url_for
from flask_restful import Resource, reqparse
from flask_restful import Api

from models import user


app = Flask(__name__)
app.register_blueprint(user)
api=Api(app)




@app.route('/setting/',methods=['post'])
def setting():

        abort(400)
        return None


@app.errorhandler(400)
def do_e(e):
    return {"code":0,"data":None,"errmsg":"参数错误"}


class Login(Resource):
    def post(self):
        parser = reqparse.RequestParser()
        # # 2.利用解析器对象添加 需要验证的参数
        parser.add_argument('uname', type=int, help='用户名验证错误！', required=True, trim=True)
        parser.parse_args()
        # return jsonify({"code":58})
        # abort(400)
api.add_resource(Login,'/test/')


if __name__ == '__main__':
    app.run(debug=True)

老师我想用 errorhandler 捕获restful api解析参数包的400 错误 可是一直没捕获到

返回的 不是我定义的信息

这里的this指的是谁

视频里面没看到导第二次包的过程耶，

如果一个页面并没有弹出框的提示，那么设置这个函数会不会卡住，反过来，如果不会卡住，那么我是不是可以在所有的应用场合都可以运用这个函数，确定我的代码的稳定性？

为啥引入了css和js不显示出来分页器，是不是哪里有问题

怎么只让飞机和炮弹只碰撞一次，而不是在飞机爆炸后还进行碰撞检测，从而不让计时显示继续增加？

请问前台系统环境IDE用HBuilder能不能行啊？

这种念ppt的课，有什么意义吗？

老师，这个显示拒绝访问，应该怎么解决？求解答！

在这里创建mysql的容器后他的command怎么没有改变啊？

provider启动一次之后，zookeeper会永久保留数据。之后consumer调用时是否provider不需要再次启动？

老师，为什么我不能显示数据库的信息的呢？要怎么设置？

2020-03-14 16:33:59 [scrapy.utils.log] INFO: Scrapy 2.0.0 started (bot: rockstone)
2020-03-14 16:33:59 [scrapy.utils.log] INFO: Versions: lxml 4.5.0.0, libxml2 2.9.5, cssselect 1.1.0, parsel 1.5.2, w3lib 1.21.0, Twisted 19.10.0, Python 3.7.6 (tags/v3.7.6:43364
a7ae0, Dec 19 2019, 00:42:30) [MSC v.1916 64 bit (AMD64)], pyOpenSSL 19.1.0 (OpenSSL 1.1.1d  10 Sep 2019), cryptography 2.8, Platform Windows-10-10.0.18362-SP0
2020-03-14 16:33:59 [scrapy.utils.log] DEBUG: Using reactor: twisted.internet.selectreactor.SelectReactor
2020-03-14 16:33:59 [scrapy.crawler] INFO: Overridden settings:
{'BOT_NAME': 'rockstone',
 'NEWSPIDER_MODULE': 'rockstone.spiders',
 'ROBOTSTXT_OBEY': True,
 'SPIDER_MODULES': ['rockstone.spiders']}
2020-03-14 16:33:59 [scrapy.extensions.telnet] INFO: Telnet Password: 12ce7d6c067a2499
2020-03-14 16:33:59 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
 'scrapy.extensions.telnet.TelnetConsole',
 'scrapy.extensions.logstats.LogStats']
2020-03-14 16:33:59 [scrapy.middleware] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware',
 'scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
 'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
 'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
 'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
 'scrapy.downloadermiddlewares.retry.RetryMiddleware',
 'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
 'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
 'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
 'scrapy.downloadermiddlewares.cookies.CookiesMiddleware',
 'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware',
 'scrapy.downloadermiddlewares.stats.DownloaderStats']
2020-03-14 16:33:59 [scrapy.middleware] INFO: Enabled spider middlewares:
['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware',
 'scrapy.spidermiddlewares.offsite.OffsiteMiddleware',
 'scrapy.spidermiddlewares.referer.RefererMiddleware',
 'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
 'scrapy.spidermiddlewares.depth.DepthMiddleware']
2020-03-14 16:33:59 [scrapy.middleware] INFO: Enabled item pipelines:
[]
2020-03-14 16:33:59 [scrapy.core.engine] INFO: Spider opened
2020-03-14 16:33:59 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2020-03-14 16:33:59 [scrapy.extensions.telnet] INFO: Telnet console listening on 127.0.0.1:6023
2020-03-14 16:33:59 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://www.baidu.com/robots.txt> (referer: None)
2020-03-14 16:33:59 [scrapy.downloadermiddlewares.robotstxt] DEBUG: Forbidden by robots.txt: <GET http://www.baidu.com/>
2020-03-14 16:33:59 [scrapy.core.engine] INFO: Closing spider (finished)
2020-03-14 16:33:59 [scrapy.statscollectors] INFO: Dumping Scrapy stats:
{'downloader/exception_count': 1,
 'downloader/exception_type_count/scrapy.exceptions.IgnoreRequest': 1,
 'downloader/request_bytes': 223,
 'downloader/request_count': 1,
 'downloader/request_method_count/GET': 1,
 'downloader/response_bytes': 676,
 'downloader/response_count': 1,
 'downloader/response_status_count/200': 1,
 'elapsed_time_seconds': 0.350322,
 'finish_reason': 'finished',
 'finish_time': datetime.datetime(2020, 3, 14, 8, 33, 59, 677262),
 'log_count/DEBUG': 2,
 'log_count/INFO': 10,
 'response_received_count': 1,
 'robotstxt/forbidden': 1,
 'robotstxt/request_count': 1,
 'robotstxt/response_count': 1,
 'robotstxt/response_status_count/200': 1,
 'scheduler/dequeued': 1,
 'scheduler/dequeued/memory': 1,
 'scheduler/enqueued': 1,
 'scheduler/enqueued/memory': 1,
 'start_time': datetime.datetime(2020, 3, 14, 8, 33, 59, 326940)}
2020-03-14 16:33:59 [scrapy.core.engine] INFO: Spider closed (finished)

老师 我这个按照百度那个测试     没有返回的html信息

from tkinter import *
from tkinter.filedialog import *

root = Tk()
root.geometry('400x100')

def test1():
    with askopenfile(title='上传文件',
                     intialdir='d:',filetypes=[('文本文件','txt')])as f:
        show['text']=f.read()


Button(root,text='选择读取的文本文件',command=test1).pack()
show = Label(root,width=40,height=3,bg='green')
show.pack()
root.mainloop()

这是怎么回事？

老师，缓冲字节流需要将字节流对象放入缓冲字节流中，代码：

 = FileInputStream();
 = FileOutputStream(, );
BufferedInputStream bis = BufferedInputStream();
BufferedOutputStream bos = BufferedOutputStream();

而字符流直接就可以创建,代码：

BufferedReader reader = new BufferedReader();

BufferedWriter writer = new BufferedWriter();

而不是这样，

FileReader = FileReader();
FileWriter= FileWriter(, );
BufferedReader bufreader = BufferedReader();
BufferedWriter bufwriter = BufferedWriter();

还是说这是俩种方式，不管是字节流还是字符流都可以随意用这俩种方式中的任何一种呐？？