python在實(shí)際的開發(fā)工作中，經(jīng)常會(huì)遇到要判定兩個(gè)字符串是否相等，下面我們說(shuō)一下具體的實(shí)現(xiàn)方法

第一種是is來(lái)判斷

groupName=params['groupName']##groupName的值是'url'

reqBody['dim']=groupName

print("reqBody_dim-SummaryListHandler",reqBody['dim'])##('reqBody_dim-SummaryListHandler',u'url')

print("reqBody_dim_url-SummaryListHandler",('url'isreqBody['dim']))##('reqBody_dim_url-SummaryList

Handler',False)

ifgroupNameis'url':

打印如下，看到通過(guò)is判斷是false

('reqBody_dim-SummaryListHandler',u'url')

('reqBody_dim_url-SummaryListHandler',False)

第二種是用id和in

看到用in可以判斷兩個(gè)字符串相等

print("groupName:",groupName)

reqBody['dim']=groupName

print("reqBody_dim-SummaryListHandler",reqBody['dim'])

print("reqBody_dim_url_is-SummaryListHandler",('url'isgroupName))

print("reqBody_dim_url_id-SummaryListHandler",(id('url')==id(groupName)))

print("reqBody_dim_url_in-SummaryListHandler",('url'ingroupName))

('groupName:',u'url')

('reqBody_dim-SummaryListHandler',u'url')

('reqBody_dim_url_is-SummaryListHandler',False)

('reqBody_dim_url_id-SummaryListHandler',False)

('reqBody_dim_url_in-SummaryListHandler',True)

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