139 lines
5.1 KiB
Python
139 lines
5.1 KiB
Python
# 导出excel数据
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import hashlib
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import os
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import time
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import xlwt
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from django.conf import settings
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from apps.system.models import SaveFile
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from apps.system.serializers import SaveFileSerializer
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def len_byte(value):
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# 获取字符串长度，一个中文的长度为2
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length = len(value)
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utf8_length = len(value.encode('utf-8'))
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length = (utf8_length - length) / 2 + length
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return int(length)
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def export_excel(field_data: list, data: list, FileName: str, file_path: str = settings.MEDIA_ROOT):
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"""
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Excel导出
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:param data: 数据源
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:param field_data: 首行数据源
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:param file_path: 文件保存路径
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:param FileName: 文件保存名字
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:return:
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"""
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wbk = xlwt.Workbook(encoding='utf-8')
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sheet = wbk.add_sheet('Sheet1', cell_overwrite_ok=True) # 第二参数用于确认同一个cell单元是否可以重设值。
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style = xlwt.XFStyle() # 赋值style为XFStyle()，初始化样式
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# 设置居中
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wbk.set_colour_RGB(0x23, 0, 60, 139)
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xlwt.add_palette_colour("custom_colour_35", 0x23)
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tab_al = xlwt.Alignment()
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tab_al.horz = 0x02 # 设置水平居中
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tab_al.vert = 0x01 # 设置垂直居中
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# 设置表头单元格背景颜色
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tab_pattern = xlwt.Pattern() # 创建一个模式
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tab_pattern.pattern = xlwt.Pattern.SOLID_PATTERN # 设置其模式为实型
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tab_pattern.pattern_fore_colour = 55
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# 设置单元格内字体样式
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tab_fnt = xlwt.Font() # 创建一个文本格式，包括字体、字号和颜色样式特性
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tab_fnt.height = 200
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default_width = 14
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tab_fnt.name = u'楷体' # 设置其字体为微软雅黑
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tab_fnt.colour_index = 1 # 设置其字体颜色
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# 设置单元格下框线样式
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tab_borders = xlwt.Borders()
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tab_borders.left = xlwt.Borders.THIN
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tab_borders.right = xlwt.Borders.THIN
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tab_borders.top = xlwt.Borders.THIN
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tab_borders.bottom = xlwt.Borders.THIN
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tab_borders.left_colour = 23
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tab_borders.right_colour = 23
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tab_borders.bottom_colour = 23
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tab_borders.top_colour = 23
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#### 把数据写入excel中
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# 所有表格单元格样式
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# 先生成表头
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style.alignment = tab_al # 设置居中
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style.pattern = tab_pattern # 设置表头单元格背景颜色
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style.font = tab_fnt # 设置单元格内字体样式
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style.borders = tab_borders
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for index, ele in enumerate(field_data):
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sheet.write_merge(0, 0, index, index, ele, style) # (列开始, 列结束, 行开始, 行结束, '数据内容')
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# 确定栏位宽度
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col_width = []
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for index,ele in enumerate(data):
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for inx,values in enumerate(ele.values()):
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if index == 0:
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col_width.append(len_byte(str(values)))
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else:
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if col_width[inx] < len_byte(str(values)):
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col_width[inx] = len_byte(str(values))
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# 设置栏位宽度，栏位宽度小于10时候采用默认宽度
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for i in range(len(col_width)):
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if col_width[i] > 10:
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sheet.col(i).width = 256 * (col_width[i] + 6)
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else:
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sheet.col(i).width = 256 * (default_width)
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row = 1
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# 内容背景颜色
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left_pattern = xlwt.Pattern() # 创建一个模式
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left_pattern.pattern = xlwt.Pattern.SOLID_PATTERN # 设置其模式为实型
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left_pattern.pattern_fore_colour = 1
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# 设置单元格内字体样式
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left_fnt = xlwt.Font() # 创建一个文本格式，包括字体、字号和颜色样式特性
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left_fnt.height = 200
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left_fnt.name = u'楷体' # 设置其字体为微软雅黑
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left_fnt.colour_index = 0 # 设置其字体颜色
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left_style = style
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left_style.pattern = left_pattern
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left_style.font = left_fnt
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for results in data:
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for index, values in enumerate(results.values()):
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sheet.write(row, index, label=values, style=left_style)
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row += 1
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monthTime = time.strftime('%Y-%m-%d', time.localtime(time.time()))
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pathRoot = os.path.join(file_path, 'system', monthTime)
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if not os.path.exists(pathRoot):
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os.makedirs(pathRoot)
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path_name = os.path.join(pathRoot, FileName)
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wbk.save(path_name)
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return os.path.join('system', monthTime, FileName)
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def export_excel_save_model(request,field_data,data,FilName):
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"""
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导出Excel并保存到 SaveFile 文件管理中
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:param request:
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:param field_data: 首行数据源
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:param data: 数据源
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:param FilName: 文件名
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:return:
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"""
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# 根据生成的字典MD5
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time_stamp = hashlib.md5(str(field_data).encode('utf8')).hexdigest()
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# 存入文件数据库中
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FilName = str(time_stamp) + FilName
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file_rul = export_excel(field_data=field_data, data=data, FileName=FilName)
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savefile, _ = SaveFile.objects.get_or_create(file=file_rul)
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if _ == True:
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savefile.name = FilName
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savefile.type = 'application/vnd.ms-excel'
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savefile.size = os.path.getsize(os.path.join(settings.MEDIA_ROOT, file_rul))
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savefile.address = '本地存储'
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savefile.creator = request.user.username
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savefile.modifier = request.user.username
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savefile.save()
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return SaveFileSerializer(savefile).data
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