需要在网站上进行搜索
url = r'http://www.cpso.on.ca/docsearch/'
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这是一个aspx页面(我昨天开始这个艰苦跋涉,抱歉noob问题)
使用BeautifulSoup,我可以像这样得到__VIEWSTATE和__EVENTVALIDATION:
viewstate = soup.find('input', {'id' : '__VIEWSTATE'})['value']
eventval = soup.find('input', {'id' : '__EVENTVALIDATION'})['value']
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标题可以像这样设置:
headers = {'HTTP_USER_AGENT': 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.13) Gecko/2009073022 Firefox/3.0.13',
'HTTP_ACCEPT': 'text/html,application/xhtml+xml,application/xml; q=0.9,*/*; q=0.8',
'Content-Type': 'application/x-www-form-urlencoded'}
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如果你去网页,我真正想传递的唯一值是名字和姓氏......
LN = "smith"
FN = "a"
data = {"__VIEWSTATE":viewstate,"__EVENTVALIDATION":ev,
"ctl00$ContentPlaceHolder1$MainContentControl1$ctl00$txtLastName":LN,
"ctl00$ContentPlaceHolder1$MainContentControl1$ctl00$txtFirstName":FN}
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把所有这些放在一起就像这样:
import urllib
import urllib2
import urlparse
import BeautifulSoup
url = r'http://www.cpso.on.ca/docsearch/'
html = urllib2.urlopen(url).read()
soup = BeautifulSoup.BeautifulSoup(html)
viewstate = soup.find('input', {'id' : '__VIEWSTATE'})['value']
ev = soup.find('input', {'id' : '__EVENTVALIDATION'})['value'] …Run Code Online (Sandbox Code Playgroud) ing_scroll = Scrollbar(window1_frame1, orient=VERTICAL)
ingredients = ttk.Treeview(window1_frame1, yscrollcommand=ing_scroll.set, height=5, columns=['Ingredient', 'Amount'], show="headings")
ingredients.heading("Ingredient", text='Ingredient')
ingredients.column("Ingredient", width=7)
ingredients.heading("Amount", text='Amount')
ingredients.column("Amount", width=1)
ing_scroll.config(command=ingredients.yview)
ing_scroll.pack(side=RIGHT, fill=Y)
ingredients.pack(side=LEFT, fill='both', expand=1)
def OnRecpSelect(event):
DB = menu_combo.get()
mytable = recipe_combo.get()
ingredient_list = TKengine.pull_ingredients(DB, mytable)
# NEED TO CLEAR THE INGREDIENTS TTK:TREEVIEW OBJECT HERE!
for i in ingredient_list:
ingre = i[1]
amoun = i[2]
value = ingre,amoun
ingredients.insert('',0,values=value)
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ingredient_list是一个显示类似......('Sugar','1 Cup')等等的列表... def用于选择的组合框,所以我想要的是树视图清除而不是只是不断添加更多的成分.不幸的是我没有看到一种clear()方法.
如果有一种程序化的方法来识别那里的东西(列举一个行数会很好......)这让我疯了.我在文档中注意到你可以使用delete方法,但它想知道要删除的项目...如果我使用:
ingredients.delete('',0)
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我明白了
TclError: Item 0 not found
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所以我认为它需要像'糖'这样的东西......
当然它是一个捕获22因为如果您选择组合框并想要清除成分树视图,相同的成分项目不在每个配方中,那么我们如何知道要删除哪些项目?...
如果您需要更多详细信息,请告诉我...我对使用treeview对象相当新,但它让我想在画布上使用两个列表框.
好的,这是我的脚本
$server=@("SERVER1","SERVER2")
$A=@()
foreach($srv in $server){
start-job -scriptblock {Get-AppHangs $srv}}
while (Get-Job -State "Running"){}
foreach($JB in Get-Job){$A+=Receive-Job $JB}
Remove-Job *
$A|Out-GridView
function Get-AppHangs($srv){
$A=@()
$XX=Get-EventLog -ComputerName $srv -LogName "application" | Where-Object {$_.InstanceID -ge 1000 -and $_.InstanceID -lt 1005} | select -First 5
foreach($x in $XX){
$time = $_.Time.ToString()
$obj=New-Object PSObject
$obj|Add-Member -MemberType "NoteProperty" -Name Server -Value $srv
$obj|Add-Member -MemberType "NoteProperty" -Name Index -Value $x.Index
$obj|Add-Member -MemberType "NoteProperty" -Name Time -Value $x.Time -SecondValue System.string
$obj|Add-Member -MemberType "NoteProperty" -Name EntryType -Value $x.EntryType …Run Code Online (Sandbox Code Playgroud)