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223 lines
7.3 KiB
223 lines
7.3 KiB
7 years ago
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# coding: utf-8
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import math
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import string
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import public
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class Page():
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#--------------------------
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# 分页类 - JS回调版
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#--------------------------
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__PREV = '上一页'
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__NEXT = '下一页'
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__START = '首页'
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__END = '尾页'
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__COUNT_START = '共'
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__COUNT_END = '条数据'
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__FO = '从'
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__LINE = '条'
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__LIST_NUM = 4
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SHIFT = None # 偏移量
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ROW = None # 每页行数
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__C_PAGE = None # 当前页
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__COUNT_PAGE = None # 总页数
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__COUNT_ROW = None # 总行数
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__URI = None # URI
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__RTURN_JS = False # 是否返回JS回调
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__START_NUM = None # 起始行
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__END_NUM = None # 结束行
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def __init__(self):
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tmp = public.getMsg('PAGE')
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if tmp:
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self.__PREV = tmp['PREV']
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self.__NEXT = tmp['NEXT']
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self.__START = tmp['START']
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self.__END = tmp['END']
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self.__COUNT_START = tmp['COUNT_START']
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self.__COUNT_END = tmp['COUNT_END']
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self.__FO = tmp['FO']
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self.__LINE = tmp['LINE']
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def GetPage(self, pageInfo, limit='1,2,3,4,5,6,7,8'):
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# 取分页信息
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# @param pageInfo 传入分页参数字典
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# @param limit 返回系列
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self.__RTURN_JS = pageInfo['return_js']
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self.__COUNT_ROW = pageInfo['count']
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self.ROW = pageInfo['row']
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self.__C_PAGE = self.__GetCpage(pageInfo['p'])
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self.__START_NUM = self.__StartRow()
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self.__END_NUM = self.__EndRow()
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self.__COUNT_PAGE = self.__GetCountPage()
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self.__URI = self.__SetUri(pageInfo['uri'])
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self.SHIFT = self.__START_NUM - 1
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keys = limit.split(',')
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pages = {}
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# 起始页
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pages['1'] = self.__GetStart()
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# 上一页
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pages['2'] = self.__GetPrev()
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# 分页
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pages['3'] = self.__GetPages()
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# 下一页
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pages['4'] = self.__GetNext()
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# 尾页
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pages['5'] = self.__GetEnd()
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# 当前显示页与总页数
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pages['6'] = "<span class='Pnumber'>" + \
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bytes(self.__C_PAGE) + "/" + bytes(self.__COUNT_PAGE) + "</span>"
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# 本页显示开始与结束行
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pages['7'] = "<span class='Pline'>" + self.__FO + \
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bytes(self.__START_NUM) + "-" + \
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bytes(self.__END_NUM) + self.__LINE + "</span>"
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# 行数
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pages['8'] = "<span class='Pcount'>" + self.__COUNT_START + \
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bytes(self.__COUNT_ROW) + self.__COUNT_END + "</span>"
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# 构造返回数据
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retuls = '<div>'
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for value in keys:
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retuls += pages[value]
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retuls += '</div>'
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# 返回分页数据
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return retuls
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def __GetEnd(self):
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# 构造尾页
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endStr = ""
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if self.__C_PAGE >= self.__COUNT_PAGE:
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endStr = ''
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else:
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if self.__RTURN_JS == "":
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endStr = "<a class='Pend' href='" + self.__URI + "p=" + \
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bytes(self.__COUNT_PAGE) + "'>" + self.__END + "</a>"
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else:
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endStr = "<a class='Pend' onclick='" + self.__RTURN_JS + \
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"(" + bytes(self.__COUNT_PAGE) + ")'>" + self.__END + "</a>"
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return endStr
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def __GetNext(self):
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# 构造下一页
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nextStr = ""
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if self.__C_PAGE >= self.__COUNT_PAGE:
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nextStr = ''
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else:
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if self.__RTURN_JS == "":
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nextStr = "<a class='Pnext' href='" + self.__URI + "p=" + \
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bytes(self.__C_PAGE + 1) + "'>" + self.__NEXT + "</a>"
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else:
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nextStr = "<a class='Pnext' onclick='" + self.__RTURN_JS + \
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"(" + bytes(self.__C_PAGE + 1) + ")'>" + self.__NEXT + "</a>"
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return nextStr
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def __GetPages(self):
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# 构造分页
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pages = ''
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num = 0
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# 当前页之前
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if (self.__COUNT_PAGE - self.__C_PAGE) < self.__LIST_NUM:
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num = self.__LIST_NUM + \
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(self.__LIST_NUM - (self.__COUNT_PAGE - self.__C_PAGE))
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else:
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num = self.__LIST_NUM
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n = 0
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for i in range(num):
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n = num - i
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page = self.__C_PAGE - n
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if page > 0:
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if self.__RTURN_JS == "":
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pages += "<a class='Pnum' href='" + self.__URI + \
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"p=" + bytes(page) + "'>" + bytes(page) + "</a>"
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else:
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pages += "<a class='Pnum' onclick='" + self.__RTURN_JS + \
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"(" + bytes(page) + ")'>" + bytes(page) + "</a>"
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# 当前页
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if self.__C_PAGE > 0:
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pages += "<span class='Pcurrent'>" + \
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bytes(self.__C_PAGE) + "</span>"
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# 当前页之后
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if self.__C_PAGE <= self.__LIST_NUM:
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num = self.__LIST_NUM + (self.__LIST_NUM - self.__C_PAGE) + 1
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else:
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num = self.__LIST_NUM
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for i in range(num):
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if i == 0:
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continue
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page = self.__C_PAGE + i
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if page > self.__COUNT_PAGE:
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break
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if self.__RTURN_JS == "":
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pages += "<a class='Pnum' href='" + self.__URI + \
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"p=" + bytes(page) + "'>" + bytes(page) + "</a>"
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else:
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pages += "<a class='Pnum' onclick='" + self.__RTURN_JS + \
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"(" + bytes(page) + ")'>" + bytes(page) + "</a>"
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return pages
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def __GetPrev(self):
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# 构造上一页
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startStr = ''
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if self.__C_PAGE == 1:
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startStr = ''
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else:
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if self.__RTURN_JS == "":
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startStr = "<a class='Ppren' href='" + self.__URI + "p=" + \
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bytes(self.__C_PAGE - 1) + "'>" + self.__PREV + "</a>"
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else:
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startStr = "<a class='Ppren' onclick='" + self.__RTURN_JS + \
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"(" + bytes(self.__C_PAGE - 1) + ")'>" + self.__PREV + "</a>"
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return startStr
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def __GetStart(self):
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# 构造起始分页
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startStr = ''
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if self.__C_PAGE == 1:
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startStr = ''
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else:
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if self.__RTURN_JS == "":
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startStr = "<a class='Pstart' href='" + \
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self.__URI + "p=1'>" + self.__START + "</a>"
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else:
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startStr = "<a class='Pstart' onclick='" + \
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self.__RTURN_JS + "(1)'>" + self.__START + "</a>"
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return startStr
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def __GetCpage(self, p):
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# 取当前页
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if p:
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return p
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return 1
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def __StartRow(self):
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# 从多少行开始
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return (self.__C_PAGE - 1) * self.ROW + 1
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def __EndRow(self):
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# 从多少行结束
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if self.ROW > self.__COUNT_ROW:
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return self.__COUNT_ROW
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return self.__C_PAGE * self.ROW
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def __GetCountPage(self):
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# 取总页数
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return int(math.ceil(self.__COUNT_ROW / float(self.ROW)))
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def __SetUri(self, input):
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# 构造URI
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uri = '?'
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for key in input:
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if key == 'p':
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continue
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uri += key + '=' + input[key] + '&'
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return str(uri)
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