Question

我知道这是一个简单的问题，但我无法找出问题所在，当我将我的漂亮汤输出到CSV时，我得到的输出是8倍，这也是HTML查找的结果数-我在哪里将输出乘以结果数？ pack3_value的输出仅是我需要的数据

pack3_rows = [] 
for row in pack_rows3:
    cells = row.findChildren('td')
    pack3_row = [] # - for output
    for cell in cells:
        pack3_value = cell.string
        pack3_row.append(cell.text)
        pack3_rows.append(pack3_row)
        print (pack3_value)

with open('output.csv', 'w') as csvfile: 
    writer = csv.writer(csvfile)
    writer.writerows(pack3_rows)

Answer 1

每行只能追加到pack3_rows一次，而不是每个单元格追加一次。

pack3_rows = [] 
for row in pack_rows3:
    cells = row.findChildren('td')
    pack3_row = [] # - for output
    for cell in cells:
        pack3_value = cell.string
        pack3_row.append(cell.text)
        print (pack3_value)
    pack3_rows.append(pack3_row)

如果print仅用于调试，而不是实际应用程序所需，则可以使用列表推导。

pack3_rows = [] 
for row in pack_rows3:
    cells = row.findChildren('td')
    pack3_rows.append([cell.text for cell in cells])

输出时有多个结果

1 个答案: