AnsiLowerCase 函数 将字符转换为小写

首部 function MidStr(const AText: string const AStart, ACount: Integer):

string $[StrUtils.pas

功能 返回字符串AText从AStart开始的ACount个字符

说明 其实就是Copy

参考 function System.Copy

例子 Edit3.Text := MidStr(Edit1.Text, SpinEdit1.Value, SpinEdit2.Value) -AnsiLowerCase function will be converted to lowercase characters first function Mid Str (const AText : string const AStart, ACount : Integer) : string $ [StrUtils.pas functions return a string from AStart open AText before the ACount characters illustrate is the Copy function reference System.Co py example Edit3.Text : = MidStr (Edit1.Text. SpinEdit1.Value, SpinEdit2.Value)