python生成xml檔案

本次說明生成乙個xml格式的報文，並將其寫入文字

# -*- coding:utf8 -*- # 避免中文亂碼

__author__ = 'lxf'
import xml.dom.minidom as dom
from xml.dom import minidom
import random
import time
# 這個方法用來代替minidom裡格式化**，實現節點不換行
def fixed_writexml(self, writer, indent="", addindent="", newl=""):
# indent = current indentation
# addindent = indentation to add to higher levels
# newl = newline string
writer.write(indent + "<" + self.tagname)
attrs = self._get_attributes()
a_names = attrs.keys()
a_names.sort()
for a_name in a_names:
writer.write(" %s=\"" % a_name)
minidom._write_data(writer, attrs[a_name].value)
writer.write("\"")
if self.childnodes:
if len(self.childnodes) == 1 \
and self.childnodes[0].nodetype == minidom.node.text_node:
writer.write(">")
self.childnodes[0].writexml(writer, "", "", "")
writer.write("%s" % (self.tagname, newl))
return
writer.write(">%s" % (newl))
for node in self.childnodes:
if node.nodetype is not minidom.node.text_node:
node.writexml(writer, indent + addindent, addindent, newl)
writer.write("%s%s" % (indent, self.tagname, newl))
else:
writer.write("/>%s" % (newl))
minidom.element.writexml = fixed_writexml
def write():
doc = dom.document()
root_node = doc.createelement("service")
head = doc.createelement("sys_head")
body = doc.createelement("body")
# service_code
service_node = doc.createelement("service_code")
service_value = doc.createtextnode("11005000004")
service_node.setattribute("attr", "field")
# service_scene
scene_node = doc.createelement("service_scene")
scene_value = doc.createtextnode("03")
scene_node.setattribute("attr", "field")
# consumer_id
consumer_node = doc.createelement("consumer_id")
consumer_value = doc.createtextnode("033500")
consumer_node.setattribute("attr", "field")
# consumer_seq_no
seq_node = doc.createelement("consumer_seq_no")
seq = 133100201803220002704750 + random.randint(1, 10000)
seq_value = doc.createtextnode('%d' % seq)
seq_node.setattribute("attr", "field")
# buss_seq_no
bus_node = doc.createelement("buss_seq_no")
bus_value = doc.createtextnode("2018032284584195")
bus_node.setattribute("attr", "field")
# tran_flag
flag_node = doc.createelement("tran_flag")
flag_value = doc.createtextnode("0")
flag_node.setattribute("attr", "field")
# tran_date
date_node = doc.createelement("tran_date")
date_value = doc.createtextnode(time.strftime('%y%m%d'))
date_node.setattribute("attr", "field")
# tran_timestamp
time_node = doc.createelement("tran_timestamp")
time_value = doc.createtextnode("000014")
time_node.setattribute("attr", "field")
c_node = doc.createelement("end_date")
c_value = doc.createtextnode("20180322")
c_node.setattribute("attr", "field")
print (doc.toxml("utf-8"))
f = open("ttt.xml", "w")
f.write(doc.toprettyxml(indent="\t", newl="\n", encoding="utf-8"))
f.close()
if __name__ == "__main__":
write()

<?xml version="1.0" encoding="utf-8"?>

11005000004
03033500
133100201803220002704951
2018032284584195
0 20180523
000014
20180322

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