如何将下拉框数据传递给 Python CGI 脚本?
向 CGI 程序传递下拉框数据
当我们有多个选项可用,但只选择一到两个选项时,就会使用下拉框。
下面是一个带有下拉框的表单示例 HTML 代码 -
<form action = "/cgi-bin/dropdown.py" method = "post" target = "_blank">
<select name = "dropdown">
<option value = "Maths" selected>Maths</option>
<option value = "Physics">Physics</option>
</select>
<input type = "submit" value = "Submit"/>
</form>这段代码的结果是以下表格 -
Submit
下面是 dropdown.py 脚本,用于处理网络浏览器给出的输入。
#!/usr/bin/python
# Import modules for CGI handling
import cgi, cgitb
# Create instance of FieldStorage
form = cgi.FieldStorage()
# Get data from fields
if form.getvalue('dropdown'):
subject = form.getvalue('dropdown')
else:
subject = "Not entered"
print "Content-type:text/html\r\n\r\n"
print "<html>"
print "<head>"
print "<title>Dropdown Box - Sixth CGI Program</title>"
print "</head>"
print "<body>"
print "<h2> Selected Subject is %s</h2>" % subject
print "</body>"
print "</html>"
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