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ormatCurrency(Expression, [NumDigitaAfterDecimal As Long = -1],[IncludeLeadingDigit As VbTriState = vbUseDefault],[GroupDigits As VbTriState = vbUseDefault])As String
FormatNumber格式化数字
Function FormatNumber(Expression,[NumDigitsAfterDecimal As Long =-1],[IncludeLeadingDigit As VbTriState = vbUseDefault],[UseParensForNegativenumbers As VbTriState = vbUseDefault],[GroupDigits As VbTriState = vbUseDefault]) As String
FormatDateTime格式化日期
Funcion FormatDateTime(Expression,[NamedFormat As VbDateTimeFormat = vbGeneralDate]) As String
Format格式化
Function Format(Expression, [Format],[FirstDayOfWeek As VbDayOfWeek = vbSunday], [FirstWeekOfYear As VbFirstWeekOfYear As VbFirstWeekOfYear = vbSunday],[FirstWeekOfYear As VbFirstWeekOfYear = vbFirstJan1])
&连接符
用来连接字符串
VbCr回车符<Enter>键
VbTab制表符<Tab>键
本章回顾：
字符串是指由文本、字母、数字和其他字符组合的单个文本块。本章集中讲述了如何操作这些字符串，例如大写转化，小写转化。连接字符串，格式化字符串，分割字符串等操作
<F8>可以单步
第8章 操作数字
加、减、乘、除、平方与指数（^2 或者^n）、平方根Sqr
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