Selenium with Python 010 - unittest 框架（又称PyUnit 框架）

it2024-10-05 18

unittest进行python代码单元测试

calculator.py--被测试类

#!/usr/bin/env python # -*- coding: utf-8 -*- # 将要被测试的类 class Calculator(object): def __init__(self, a, b): self.a = a self.b = b def add(self): return self.a + self.b def sub(self): return self.a - self.b def mul(self): return self.a * self.b def mod(self): return self.a / self.b

auto.py --执行测试的类

#!/usr/bin/env python # -*- coding: utf-8 -*- from calculator import Calculator import unittest # 执行测试的类 class CalTestCase(unittest.TestCase): def setUp(self): self.calculator = Calculator(1, 2) # 对add()方法的测试用例 def testAdd(self): self.assertEqual(self.calculator.add(), 3) # 对sub()方法的测试用例 def testSub(self): self.assertEqual(self.calculator.sub(), -1) # 对mul()方法的测试用例 def testMul(self): self.assertEqual(self.calculator.mul(), 2) # 对mod()方法的测试用例 def testMod(self): self.assertEqual(self.calculator.mod(), 0.5) def tearDown(self): self.calculator = None # 测试 if __name__ == '__main__': unittest.main()

unittest 对selenium 测试用例进行测试

#!/usr/bin/env python # -*- coding: utf-8 -*- import unittest import time from selenium import webdriver class Baidu(unittest.TestCase): def setUp(self): self.driver = webdriver.Chrome() self.driver.implicitly_wait(30) self.base_url = "http://www.baidu.com/" self.verificationErrors = [] self.accept_next_alert = True # 百度搜索用例 def test_baidu_search(self): driver = self.driver # 进入百度首页 driver.get(self.base_url + "/") # 进行搜索 driver.find_element_by_id("kw").send_keys("selenium webdriver") driver.find_element_by_id("su").click() time.sleep(2) driver.close() # 百度更多-图片用例 def test_more_image(self): driver = self.driver # 进入百度更多页 driver.get(self.base_url + "/more/") # 记录当前窗口handle handle_index = driver.current_window_handle # 点击图片链接 element = driver.find_element_by_link_text("图片") element.click() time.sleep(2) # 跳转到新开窗口 for handle in driver.window_handles: if handle != handle_index: driver.switch_to.window(handle) self.assertEqual("http://image.baidu.com/", driver.current_url) driver.close() def tearDown(self): self.driver.quit() self.assertEqual([], self.verificationErrors) if __name__ == '__main__': unittest.main()

测试套件组织测试用例

test_baidu.py

#!/usr/bin/env python # -*- coding: utf-8 -*- import unittest import time from selenium import webdriver class Baidu(unittest.TestCase): def setUp(self): self.driver = webdriver.Chrome() self.driver.implicitly_wait(30) self.base_url = "http://www.baidu.com/" self.verificationErrors = [] self.accept_next_alert = True # 百度搜索用例 def test_baidu_search(self): """百度搜索用例""" driver = self.driver # 进入百度首页 driver.get(self.base_url + "/") # 进行搜索 try: driver.find_element_by_id("kw").send_keys("selenium webdriver") driver.find_element_by_id("su").click() except: driver.get_screenshot_as_file("D://kw.png") time.sleep(2) driver.close() # 百度更多-图片用例 def test_more_image(self): """百度更多中图片链接测试""" driver = self.driver # 进入百度更多页 driver.get(self.base_url + "/more/") # 记录当前窗口handle handle_index = driver.current_window_handle # 点击图片链接 element = driver.find_element_by_link_text("图片") element.click() time.sleep(2) # 跳转到新开窗口 for handle in driver.window_handles: if handle != handle_index: driver.switch_to.window(handle) self.assertEqual("http://image.baidu.com/", driver.current_url) driver.close() def tearDown(self): self.driver.quit() self.assertEqual([], self.verificationErrors) if __name__ == '__main__': unittest.main()

test_hao123.py

#!/usr/bin/env python # -*- coding: utf-8 -*- import unittest import time from selenium import webdriver class Hao123(unittest.TestCase): def setUp(self): self.driver = webdriver.Chrome() self.driver.implicitly_wait(30) self.base_url = "http://www.hao123.com/" self.verificationErrors = [] # hao123 搜索用例 def test_hao123_search(self): """hao123 搜索用例""" driver = self.driver # 进入hao123首页 driver.get(self.base_url + "/") # 进行搜索 driver.find_element_by_id("search-input").send_keys("selenium") driver.find_element_by_class_name("button-hook").click() time.sleep(2) driver.close() def tearDown(self): self.driver.quit() self.assertEqual([], self.verificationErrors) if __name__ == '__main__': unittest.main()

通过测试套件，运行上面两个测试文件，创建all_tests.py 文件

all_tests.py

#!/usr/bin/env python # -*- coding: utf-8 -*- import unittest, doctest from SeleniumMT import test_baidu, test_hao123 # 构造测试套件 suite = doctest.DocTestSuite() # 罗列要执行的文件 suite.addTest(unittest.makeSuite(test_baidu.Baidu)) suite.addTest(unittest.makeSuite(test_hao123.Hao123)) # 执行测试套件 unittest.TextTestRunner(verbosity=2).run(suite)

运行all_tests.py 套件后，结果如下：

test_baidu_search (SeleniumMT.test_baidu.Baidu) ... ok test_more_image (SeleniumMT.test_baidu.Baidu) ... ok test_hao123_search (SeleniumMT.test_hao123.Hao123) ... ok ---------------------------------------------------------------------- Ran 3 tests in 33.398s OK

整合测试报告（HTMLTestRunner）

1.首先下载HTMLTestRunner.py 文件放到python安装目录的PythonXX\Lib 下，下载地址：http://tungwaiyip.info/software/HTMLTestRunner.html

注意，官网中的HTMLTestRunner是使用python2编写的，如果开发环境是python3，则需要修改如下：

""" A TestRunner for use with the Python unit testing framework. It generates a HTML report to show the result at a glance. The simplest way to use this is to invoke its main method. E.g. import unittest import HTMLTestRunner ... define your tests ... if __name__ == '__main__': HTMLTestRunner.main() For more customization options, instantiates a HTMLTestRunner object. HTMLTestRunner is a counterpart to unittest's TextTestRunner. E.g. # output to a file fp = file('my_report.html', 'wb') runner = HTMLTestRunner.HTMLTestRunner( stream=fp, title='My unit test', description='This demonstrates the report output by HTMLTestRunner.' ) # Use an external stylesheet. # See the Template_mixin class for more customizable options runner.STYLESHEET_TMPL = '<link rel="stylesheet" href="my_stylesheet.css" type="text/css">' # run the test runner.run(my_test_suite) ------------------------------------------------------------------------ Copyright (c) 2004-2007, Wai Yip Tung All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name Wai Yip Tung nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """ # URL: http://tungwaiyip.info/software/HTMLTestRunner.html __author__ = "Wai Yip Tung" __version__ = "0.8.2" """ Change History Version 0.8.2 * Show output inline instead of popup window (Viorel Lupu). Version in 0.8.1 * Validated XHTML (Wolfgang Borgert). * Added description of test classes and test cases. Version in 0.8.0 * Define Template_mixin class for customization. * Workaround a IE 6 bug that it does not treat <script> block as CDATA. Version in 0.7.1 * Back port to Python 2.3 (Frank Horowitz). * Fix missing scroll bars in detail log (Podi). """ # TODO: color stderr # TODO: simplify javascript using ,ore than 1 class in the class attribute? import datetime import io import sys import time import unittest from xml.sax import saxutils # ------------------------------------------------------------------------ # The redirectors below are used to capture output during testing. Output # sent to sys.stdout and sys.stderr are automatically captured. However # in some cases sys.stdout is already cached before HTMLTestRunner is # invoked (e.g. calling logging.basicConfig). In order to capture those # output, use the redirectors for the cached stream. # # e.g. # >>> logging.basicConfig(stream=HTMLTestRunner.stdout_redirector) # >>> class OutputRedirector(object): """ Wrapper to redirect stdout or stderr """ def __init__(self, fp): self.fp = fp def write(self, s): self.fp.write(s) def writelines(self, lines): self.fp.writelines(lines) def flush(self): self.fp.flush() stdout_redirector = OutputRedirector(sys.stdout) stderr_redirector = OutputRedirector(sys.stderr) # ---------------------------------------------------------------------- # Template class Template_mixin(object): """ Define a HTML template for report customerization and generation. Overall structure of an HTML report HTML +------------------------+ |<html> | | <head> | | | | STYLESHEET | | +----------------+ | | | | | | +----------------+ | | | | </head> | | | | <body> | | | | HEADING | | +----------------+ | | | | | | +----------------+ | | | | REPORT | | +----------------+ | | | | | | +----------------+ | | | | ENDING | | +----------------+ | | | | | | +----------------+ | | | | </body> | |</html> | +------------------------+ """ STATUS = { 0: 'pass', 1: 'fail', 2: 'error', } DEFAULT_TITLE = 'Unit Test Report' DEFAULT_DESCRIPTION = '' # ------------------------------------------------------------------------ # HTML Template HTML_TMPL = r"""<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>%(title)s</title> <meta name="generator" content="%(generator)s"/> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> %(stylesheet)s </head> <body> <script language="javascript" type="text/javascript"></script> %(heading)s %(report)s %(ending)s </body> </html> """ # variables: (title, generator, stylesheet, heading, report, ending) # ------------------------------------------------------------------------ # Stylesheet # # alternatively use a <link> for external style sheet, e.g. # <link rel="stylesheet" href="$url" type="text/css"> STYLESHEET_TMPL = """ <style type="text/css" media="screen"> body { font-family: verdana, arial, helvetica, sans-serif; font-size: 80%; } table { font-size: 100%; } pre { } /* -- heading ---------------------------------------------------------------------- */ h1 { font-size: 16pt; color: gray; } .heading { margin-top: 0ex; margin-bottom: 1ex; } .heading .attribute { margin-top: 1ex; margin-bottom: 0; } .heading .description { margin-top: 4ex; margin-bottom: 6ex; } /* -- css div popup ------------------------------------------------------------------------ */ a.popup_link { } a.popup_link:hover { color: red; } .popup_window { display: none; position: relative; left: 0px; top: 0px; /*border: solid #627173 1px; */ padding: 10px; background-color: #E6E6D6; font-family: "Lucida Console", "Courier New", Courier, monospace; text-align: left; font-size: 8pt; width: 500px; } } /* -- report ------------------------------------------------------------------------ */ #show_detail_line { margin-top: 3ex; margin-bottom: 1ex; } #result_table { width: 80%; border-collapse: collapse; border: 1px solid #777; } #header_row { font-weight: bold; color: white; background-color: #777; } #result_table td { border: 1px solid #777; padding: 2px; } #total_row { font-weight: bold; } .passClass { background-color: #6c6; } .failClass { background-color: #c60; } .errorClass { background-color: #c00; } .passCase { color: #6c6; } .failCase { color: #c60; font-weight: bold; } .errorCase { color: #c00; font-weight: bold; } .hiddenRow { display: none; } .testcase { margin-left: 2em; } /* -- ending ---------------------------------------------------------------------- */ #ending { } </style> """ # ------------------------------------------------------------------------ # Heading # HEADING_TMPL = """<div class='heading'> <h1>%(title)s</h1> %(parameters)s <p class='description'>%(description)s</p> </div> """ # variables: (title, parameters, description) HEADING_ATTRIBUTE_TMPL = """<p class='attribute'><strong>%(name)s:</strong> %(value)s</p> """ # variables: (name, value) # ------------------------------------------------------------------------ # Report # REPORT_TMPL = """ <p id='show_detail_line'>Show <a href='javascript:showCase(0)'>Summary</a> <a href='javascript:showCase(1)'>Failed</a> <a href='javascript:showCase(2)'>All</a> </p> <table id='result_table'> <colgroup> <col align='left' /> <col align='right' /> <col align='right' /> <col align='right' /> <col align='right' /> <col align='right' /> </colgroup> <tr id='header_row'> <td>Test Group/Test case</td> <td>Count</td> <td>Pass</td> <td>Fail</td> <td>Error</td> <td>View</td> </tr> %(test_list)s <tr id='total_row'> <td>Total</td> <td>%(count)s</td> <td>%(Pass)s</td> <td>%(fail)s</td> <td>%(error)s</td> <td> </td> </tr> </table> """ # variables: (test_list, count, Pass, fail, error) REPORT_CLASS_TMPL = r""" <tr class='%(style)s'> <td>%(desc)s</td> <td>%(count)s</td> <td>%(Pass)s</td> <td>%(fail)s</td> <td>%(error)s</td> <td><a href="javascript:showClassDetail('%(cid)s',%(count)s)">Detail</a></td> </tr> """ # variables: (style, desc, count, Pass, fail, error, cid) REPORT_TEST_WITH_OUTPUT_TMPL = r""" <tr id='%(tid)s' class='%(Class)s'> <td class='%(style)s'><div class='testcase'>%(desc)s</div></td> <td colspan='5' align='center'>  <a class="popup_link" οnfοcus='this.blur();' href="javascript:showTestDetail('div_%(tid)s')" > %(status)s</a> <div id='div_%(tid)s' class="popup_window"> <div style='text-align: right; color:red;cursor:pointer'> <a οnfοcus='this.blur();' οnclick="document.getElementById('div_%(tid)s').style.display = 'none' " > [x]</a> </div> <pre> %(script)s </pre> </div>  </td> </tr> """ # variables: (tid, Class, style, desc, status) REPORT_TEST_NO_OUTPUT_TMPL = r""" <tr id='%(tid)s' class='%(Class)s'> <td class='%(style)s'><div class='testcase'>%(desc)s</div></td> <td colspan='5' align='center'>%(status)s</td> </tr> """ # variables: (tid, Class, style, desc, status) REPORT_TEST_OUTPUT_TMPL = r""" %(id)s: %(output)s """ # variables: (id, output) # ------------------------------------------------------------------------ # ENDING # ENDING_TMPL = """<div id='ending'> </div>""" # -------------------- The end of the Template class ------------------- TestResult = unittest.TestResult class _TestResult(TestResult): # note: _TestResult is a pure representation of results. # It lacks the output and reporting ability compares to unittest._TextTestResult. def __init__(self, verbosity=1): TestResult.__init__(self) self.stdout0 = None self.stderr0 = None self.success_count = 0 self.failure_count = 0 self.error_count = 0 self.verbosity = verbosity # result is a list of result in 4 tuple # ( # result code (0: success; 1: fail; 2: error), # TestCase object, # Test output (byte string), # stack trace, # ) self.result = [] def startTest(self, test): TestResult.startTest(self, test) # just one buffer for both stdout and stderr self.outputBuffer = io.StringIO() stdout_redirector.fp = self.outputBuffer stderr_redirector.fp = self.outputBuffer self.stdout0 = sys.stdout self.stderr0 = sys.stderr sys.stdout = stdout_redirector sys.stderr = stderr_redirector def complete_output(self): """ Disconnect output redirection and return buffer. Safe to call multiple times. """ if self.stdout0: sys.stdout = self.stdout0 sys.stderr = self.stderr0 self.stdout0 = None self.stderr0 = None return self.outputBuffer.getvalue() def stopTest(self, test): # Usually one of addSuccess, addError or addFailure would have been called. # But there are some path in unittest that would bypass this. # We must disconnect stdout in stopTest(), which is guaranteed to be called. self.complete_output() def addSuccess(self, test): self.success_count += 1 TestResult.addSuccess(self, test) output = self.complete_output() self.result.append((0, test, output, '')) if self.verbosity > 1: sys.stderr.write('ok ') sys.stderr.write(str(test)) sys.stderr.write('\n') else: sys.stderr.write('.') def addError(self, test, err): self.error_count += 1 TestResult.addError(self, test, err) _, _exc_str = self.errors[-1] output = self.complete_output() self.result.append((2, test, output, _exc_str)) if self.verbosity > 1: sys.stderr.write('E ') sys.stderr.write(str(test)) sys.stderr.write('\n') else: sys.stderr.write('E') def addFailure(self, test, err): self.failure_count += 1 TestResult.addFailure(self, test, err) _, _exc_str = self.failures[-1] output = self.complete_output() self.result.append((1, test, output, _exc_str)) if self.verbosity > 1: sys.stderr.write('F ') sys.stderr.write(str(test)) sys.stderr.write('\n') else: sys.stderr.write('F') class HTMLTestRunner(Template_mixin): """ """ def __init__(self, stream=sys.stdout, verbosity=1, title=None, description=None): self.stream = stream self.verbosity = verbosity if title is None: self.title = self.DEFAULT_TITLE else: self.title = title if description is None: self.description = self.DEFAULT_DESCRIPTION else: self.description = description self.startTime = datetime.datetime.now() def run(self, test): "Run the given test case or test suite." result = _TestResult(self.verbosity) test(result) self.stopTime = datetime.datetime.now() self.generateReport(test, result) print(sys.stderr, '\nTime Elapsed: %s' % (self.stopTime - self.startTime)) return result def sortResult(self, result_list): # unittest does not seems to run in any particular order. # Here at least we want to group them together by class. rmap = {} classes = [] for n, t, o, e in result_list: cls = t.__class__ if not cls in rmap: rmap[cls] = [] classes.append(cls) rmap[cls].append((n, t, o, e)) r = [(cls, rmap[cls]) for cls in classes] return r def getReportAttributes(self, result): """ Return report attributes as a list of (name, value). Override this to add custom attributes. """ startTime = str(self.startTime)[:19] duration = str(self.stopTime - self.startTime) status = [] if result.success_count: status.append('Pass %s' % result.success_count) if result.failure_count: status.append( 'Failure %s' % result.failure_count) if result.error_count: status.append('Error %s' % result.error_count) if status: status = ' '.join(status) else: status = 'none' return [ ('Start Time', startTime), ('Duration', duration), ('Status', status), ] def generateReport(self, test, result): report_attrs = self.getReportAttributes(result) generator = 'HTMLTestRunner %s' % __version__ stylesheet = self._generate_stylesheet() heading = self._generate_heading(report_attrs) report = self._generate_report(result) ending = self._generate_ending() output = self.HTML_TMPL % dict( title=saxutils.escape(self.title), generator=generator, stylesheet=stylesheet, heading=heading, report=report, ending=ending, ) self.stream.write(output.encode('utf8')) def _generate_stylesheet(self): return self.STYLESHEET_TMPL def _generate_heading(self, report_attrs): a_lines = [] for name, value in report_attrs: line = self.HEADING_ATTRIBUTE_TMPL % dict( name=saxutils.escape(name), value=saxutils.escape(value), ) a_lines.append(line) heading = self.HEADING_TMPL % dict( title=saxutils.escape(self.title), parameters=''.join(a_lines), description=saxutils.escape(self.description), ) return heading def _generate_report(self, result): rows = [] sortedResult = self.sortResult(result.result) for cid, (cls, cls_results) in enumerate(sortedResult): # subtotal for a class np = nf = ne = 0 for n, t, o, e in cls_results: if n == 0: np += 1 elif n == 1: nf += 1 else: ne += 1 # format class description if cls.__module__ == "__main__": name = cls.__name__ else: name = "%s.%s" % (cls.__module__, cls.__name__) doc = cls.__doc__ and cls.__doc__.split("\n")[0] or "" desc = doc and '%s: %s' % (name, doc) or name row = self.REPORT_CLASS_TMPL % dict( style=ne > 0 and 'errorClass' or nf > 0 and 'failClass' or 'passClass', desc=desc, count=np + nf + ne, Pass=np, fail=nf, error=ne, cid='c%s' % (cid + 1), ) rows.append(row) for tid, (n, t, o, e) in enumerate(cls_results): self._generate_report_test(rows, cid, tid, n, t, o, e) report = self.REPORT_TMPL % dict( test_list=''.join(rows), count=str( result.success_count + result.failure_count + result.error_count), Pass=str(result.success_count), fail=str(result.failure_count), error=str(result.error_count), ) return report def _generate_report_test(self, rows, cid, tid, n, t, o, e): # e.g. 'pt1.1', 'ft1.1', etc has_output = bool(o or e) tid = (n == 0 and 'p' or 'f') + 't%s.%s' % (cid + 1, tid + 1) name = t.id().split('.')[-1] doc = t.shortDescription() or "" desc = doc and ('%s: %s' % (name, doc)) or name tmpl = has_output and self.REPORT_TEST_WITH_OUTPUT_TMPL or self.REPORT_TEST_NO_OUTPUT_TMPL # o and e should be byte string because they are collected from stdout and stderr? if isinstance(o, str): # TODO: some problem with 'string_escape': it escape \n and mess up formating # uo = unicode(o.encode('string_escape')) uo = o else: uo = o if isinstance(e, str): # TODO: some problem with 'string_escape': it escape \n and mess up formating # ue = unicode(e.encode('string_escape')) ue = e else: ue = e script = self.REPORT_TEST_OUTPUT_TMPL % dict( id=tid, output=saxutils.escape(uo + ue), ) row = tmpl % dict( tid=tid, Class=(n == 0 and 'hiddenRow' or 'none'), style=n == 2 and 'errorCase' or (n == 1 and 'failCase' or 'none'), desc=desc, script=script, status=self.STATUS[n], ) rows.append(row) if not has_output: return def _generate_ending(self): return self.ENDING_TMPL ############################################################################## # Facilities for running tests from the command line ############################################################################## # Note: Reuse unittest.TestProgram to launch test. In the future we may # build our own launcher to support more specific command line # parameters like test title, CSS, etc. class TestProgram(unittest.TestProgram): """ A variation of the unittest.TestProgram. Please refer to the base class for command line parameters. """ def runTests(self): # Pick HTMLTestRunner as the default test runner. # base class's testRunner parameter is not useful because it means # we have to instantiate HTMLTestRunner before we know self.verbosity. if self.testRunner is None: self.testRunner = HTMLTestRunner(verbosity=self.verbosity) unittest.TestProgram.runTests(self) main = TestProgram ############################################################################## # Executing this module from the command line ############################################################################## if __name__ == "__main__": main(module=None) HTMLTestRunner.py

生成报告实例，这里将上一节的all_tests.py 修改如下即可

all_tests.py

#!/usr/bin/env python # -*- coding: utf-8 -*- import unittest, doctest import HTMLTestRunner from SeleniumMT import test_baidu, test_hao123 # 构造测试套件 suite = doctest.DocTestSuite() # 罗列要执行的文件 suite.addTest(unittest.makeSuite(test_baidu.Baidu)) suite.addTest(unittest.makeSuite(test_hao123.Hao123)) filename = "D://result.html" with open(filename, "wb") as fp: runner = HTMLTestRunner.HTMLTestRunner( stream=fp, title="Report_title", description="Report_description" ) runner.run(suite)

运行后，生成测试报告如下：

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转载于:https://www.cnblogs.com/guanfuchang/p/7514025.html

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