Python 是什么导致了这个错误的请求？
我的烧瓶应用程序视图功能：Python 是什么导致了这个错误的请求？,python,flask,Python,Flask,我的烧瓶应用程序视图功能： @app.route("/database_filter", methods=['POST', 'GET']) def database_filter(): error = '' points = '' time_search = False hdop_search = False points_len = 0 conn = sqlite3.connect(database) c = conn.cursor()
@app.route("/database_filter", methods=['POST', 'GET'])
def database_filter():
error = ''
points = ''
time_search = False
hdop_search = False
points_len = 0
conn = sqlite3.connect(database)
c = conn.cursor()
if request.method == 'POST':
'''If all datetime forms are filled out and the start is not after the end, set time_search True'''
if request.form['startdate'] and \
request.form['starttime'] and \
request.form['enddate'] and \
request.form['endtime']:
start = request.form['startdate'] + 'T' + request.form['starttime']
end = request.form['enddate'] + 'T' + request.form['endtime']
if datetime_object(start) > datetime_object(end):
error = '**Start value selected must occur before End value.'
return render_template('database_filter.html', error=error)
else:
time_search = True
print 'time search: ' + str(time_search)
if request.form['hdop_oper'] and request.form['hdop']:
hdop_search = True
print 'hdop and hdop_oper exist'
hdop_oper = request.form['hdop_oper']
hdop = float(request.form['hdop'])
'''Prepare search statement based on forms selected'''
if time_search == True and hdop_search == True:
print 'Time and hdop:'
search_string = 'SELECT * from (SELECT TSTAMP, LAT, LON, FILE, HDOP FROM POINTS WHERE TSTAMP BETWEEN "%s" and "%s") WHERE HDOP %s %.1f ORDER BY TSTAMP DESC'%(start, end, hdop_oper, hdop)
print search_string
if time_search == False and hdop_search == True:
print 'Hdop only'
search_string = 'SELECT TSTAMP, LAT, LON, FILE, HDOP FROM POINTS WHERE HDOP %s %.1f ORDER BY TSTAMP DESC'%(hdop_oper, hdop)
print search_string
if time_search == True and hdop_search == False:
print 'Time only'
search_string = 'SELECT TSTAMP, LAT, LON, FILE FROM POINTS WHERE TSTAMP BETWEEN "%s" and "%s" ORDER BY TSTAMP DESC'%(start, end)
print search_string
if time_search == False and hdop_search == False:
print 'no time no hdop'
error = 'No search criteria selected.'
search_string = 'SELECT TSTAMP, LAT, LON, FILE FROM POINTS ORDER BY TSTAMP DESC'
print search_string
'''Execute SQL search and return dictionary of points'''
cur = c.execute(search_string)
points = [dict(TSTAMP=row[0][11:20], DATE=row[0][0:10],
LAT=row[1],
LON=row[2],
FILE = row[3]) for row in cur.fetchall()]
points_len = len(points)
return render_template('database_filter.html', error=error, points=points, points_len=points_len)
return render_template('database_filter.html', error=error, points=points, points_len=points_len)
<!--Filter Search criteria form -->
<form action="database_filter" id="database_filter" method="post">
<p id="basicExample">
<!-- Date/time range form; requires js library at bottom -->
<input type="test" placeholder="Start Date" class="date start" name="startdate" value="{{ request.form.startdate }}">
<input type="test" placeholder="Start Time" class="time start" name="starttime" value="{{ request.form.starttime }}"> to
<input type="test" placeholder="End Date" class="date end" name="enddate" value="{{ request.form.enddate }}">
<input type="test" placeholder="End Time" class="time end" name="endtime" value="{{ request.form.endtime }}">
</p>
<br>
<strong>HDOP Filter</strong><br>
<select name="hdop_filter">
<option>HDOP</option>
</select>
<select id="hdop_oper" name="hdop_oper">
<option><</option>
<option>></option>
<option>≥</option>
<option>≤</option>
<option>=</option>
<option selected disabled value=''></option>
</select>
HDOP Value;
<input type="number" id="hdop" name="hdop" min="0" max="2" step=".1">
<input class="btn-default" type="submit" value="Update Search">
<br>
<strong>*Number of points found: </strong>{{points_len}}
</form>
<br>
<br>
<h4>{{error}}</h4>
<br>
<p><strong>Date =</strong> YYYY-MM-DD <strong>Time =</strong> HH:MM:SS</p>
{% for point in points %}
<pre>
<strong>Date:</strong> {{ point.DATE }} <strong>Time:</strong> {{ point.TSTAMP }}
<strong>Latitude:</strong> {{ point.LAT }} <strong>Longitude:</strong> {{ point.LON }}
<strong>Source File:</strong> {{point.FILE }}</pre>
{% endfor %}
<!-- datetime formatting https://codex.wordpress.org/Formatting_Date_and_Time -->
<!-- http://jonthornton.github.io/jquery-timepicker/ -->
<script>
$('#basicExample .time').timepicker({
'scrollDefault': 'now',
'showDuration': true,
'timeFormat': 'H:i:s'
});
$('#basicExample .date').datepicker({
'scrollDefault': 'now',
'format': 'yyyy-mm-dd',
'autoclose': true
});
$(document).ready(ready);
var basicExampleEl = document.getElementById('basicExample');
var datepair = new Datepair(basicExampleEl);
</script>
<!-- END Script for date time picker -->
到
HDOP过滤器
HDOP
&通用电气；
&乐；
=
HDOP值；
*找到的点数：{{points\u len}
{{error}}
日期=YYYY-MM-DD时间=HH:MM:SS
{点中的点的百分比%}
if request.form.get('hdop_oper') and request.form.get('hdop'):
日期：{{point.Date}}时间：{{point.TSTAMP}
纬度：{{point.LAT}}经度：{{point.LON}
源文件：{{point.File}
{%endfor%}
$（'#basicExample.time'）。时间选择器({
'滚动默认值'：'现在'，
“showDuration”：正确，
“时间格式”：“H:i:s”
});
$（'#basicExample.date'）.datepicker({
'滚动默认值'：'现在'，
“格式”：“yyyy-mm-dd”，
“自动关闭”：正确
});
$（文件）。就绪（就绪）；
var basicexamplele=document.getElementById（'basicExample'）；
var datepair=新的日期对（基本示例）；
谢谢你看这个 错误出现在获取hdop_oper和hdop的表单值的方法调用中 在烧瓶中获得可选形式的正确方法是使用以下方法：
if request.form['hdop_oper'] and request.form['hdop']:
我知道这不是为了调试你的代码，但我相信一些Flask pro会发现这个Flask异常。如果没有其他问题，将来可能会有人发现这很有帮助。在大视图方法中的某个地方有一个未处理的异常。你试过打开调试吗
app.run（debug=True）pdb