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  • 【已解决】Python中使用xlwt设置cell的背景色

    【问题】

    想要使用Python的xlwt设置单元格的背景色。

    但是不知道如何设置。

    【解决过程】

    1.从Working with Excel Files in Python 找到官网的:The xlwt Module,无果。

    2.参考:

    XLWT : Changing the Cell Background Color

    试了其代码:

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    badBG = xlwt.Pattern()
    badBG.SOLID_PATTERN = 0x34
    badBG.NO_PATTERN = 0x34
    badBG.pattern_fore_colour = 0x34
    badBG.pattern_back_colour = 0x34
     
    badFontStyle = xlwt.XFStyle()
    badFontStyle.Pattern = badBG
     
    sheet1.write(1,1,'hello world', badFontStyle)

    未果。

    不过后来才知道,下面的代码:

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    badBG = xlwt.Pattern()
    badBG.pattern = badBG.SOLID_PATTERN
    badBG.pattern_fore_colour = 3
     
    badFontStyle = xlwt.XFStyle()
    badFontStyle.pattern = badBG

    是可以设置背景色的。

    但是很有限制。

    而且对应的3是Green的意思,也是后来才知道的。

     

    3.后来

    是从

    python xlwt set custom background colour of a cell

    中,试了试其所用的代码:

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    style1 = xlwt.easyxf('pattern: pattern solid, fore_colour red;')

    最终,经过测试,改为自己所需的代码的:

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    import xlwt;
     
        #styleBlueBkg = xlwt.easyxf('font: color-index red, bold on');
        #styleBlueBkg = xlwt.easyxf('font: background-color-index red, bold on');
        #styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour red;');
        #styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour blue;');
        #styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour light_blue;');
        #styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour pale_blue;');
        #styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour dark_blue;');
        #styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour dark_blue_ega;');
        #styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour ice_blue;');
        styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour ocean_blue; font: bold on;'); # 80% like
        #styleBlueBkg = xlwt.easyxf('pattern: pattern solid, fore_colour sky_blue;');
         
         
        #blueBkgFontStyle = xlwt.XFStyle()
        #blueBkgFontStyle.Pattern = blueBackgroundPattern;
        #styleBlueBkg = blueBkgFontStyle;
         
        styleBold   = xlwt.easyxf('font: bold on');
         
        wb = xlwt.Workbook();
        ws = wb.add_sheet('realPropertyInfo');
         
        ws.write(0, 0, "Sequence",  styleBlueBkg);
        ws.write(0, 1, "MapID",     styleBlueBkg);
        ws.write(0, 2, "Owner1",    styleBold);
        ws.write(0, 3, "Owner2",    styleBold);
         
        wb.save(excelFilename);

    对应的,上述颜色的选择,可以参考这里:

    https://secure.simplistix.co.uk/svn/xlwt/trunk/xlwt/Style.py

    摘录如下:

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    # Text values for colour indices. "grey" is a synonym of "gray".
    # The names are those given by Microsoft Excel 2003 to the colours
    # in the default palette. There is no great correspondence with
    # any W3C name-to-RGB mapping.
    _colour_map_text = """\
    aqua 0x31
    black 0x08
    blue 0x0C
    blue_gray 0x36
    bright_green 0x0B
    brown 0x3C
    coral 0x1D
    cyan_ega 0x0F
    dark_blue 0x12
    dark_blue_ega 0x12
    dark_green 0x3A
    dark_green_ega 0x11
    dark_purple 0x1C
    dark_red 0x10
    dark_red_ega 0x10
    dark_teal 0x38
    dark_yellow 0x13
    gold 0x33
    gray_ega 0x17
    gray25 0x16
    gray40 0x37
    gray50 0x17
    gray80 0x3F
    green 0x11
    ice_blue 0x1F
    indigo 0x3E
    ivory 0x1A
    lavender 0x2E
    light_blue 0x30
    light_green 0x2A
    light_orange 0x34
    light_turquoise 0x29
    light_yellow 0x2B
    lime 0x32
    magenta_ega 0x0E
    ocean_blue 0x1E
    olive_ega 0x13
    olive_green 0x3B
    orange 0x35
    pale_blue 0x2C
    periwinkle 0x18
    pink 0x0E
    plum 0x3D
    purple_ega 0x14
    red 0x0A
    rose 0x2D
    sea_green 0x39
    silver_ega 0x16
    sky_blue 0x28
    tan 0x2F
    teal 0x15
    teal_ega 0x15
    turquoise 0x0F
    violet 0x14
    white 0x09
    yellow 0x0D"""

     

    4.后来才发现,其实,上述的方法,就是前面在

    Setting the Background Color of a Cell

    所介绍的内容:

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    import xlwt
    workbook = xlwt.Workbook()
    worksheet = workbook.add_sheet('My Sheet')
    pattern = xlwt.Pattern() # Create the Pattern
    pattern.pattern = xlwt.Pattern.SOLID_PATTERN # May be: NO_PATTERN, SOLID_PATTERN, or 0x00 through 0x12
    pattern.pattern_fore_colour = 5 # May be: 8 through 63. 0 = Black, 1 = White, 2 = Red, 3 = Green, 4 = Blue, 5 = Yellow, 6 = Magenta, 7 = Cyan, 16 = Maroon, 17 = Dark Green, 18 = Dark Blue, 19 = Dark Yellow , almost brown), 20 = Dark Magenta, 21 = Teal, 22 = Light Gray, 23 = Dark Gray, the list goes on...
    style = xlwt.XFStyle() # Create the Pattern
    style.pattern = pattern # Add Pattern to Style
    worksheet.write(0, 0, 'Cell Contents', style)
    workbook.save('Excel_Workbook.xls')

    只是当时觉得太繁琐,没有自己看而已。

     

    【总结】

    如上代码所示:

    • 可以通过xlwt.Pattern()然后得到pattern,设置pattern_fore_colour即可,但是颜色选择很有限。
    • 也可以通过更方便的:
      • xlwt.easyxf(‘pattern: pattern solid, fore_colour ocean_blue; font: bold on;’);
      • 去设置背景色。
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  • 原文地址:https://www.cnblogs.com/wuxi/p/3045396.html
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