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1. How to set the width of the table header in the JAVA background. The code is as follows:
#2. The exported header column width is too small, please ask someone to solve it.
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sheet.setColumnWidth(number of columns, number of characters * 256); Change 256 to 512 for Chinese (2 characters for Chinese)
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sheet.setColumnWidth(number of columns, number of characters * 256); Change 256 to 512 for Chinese (2 characters for Chinese)