如何用<em>EXCEL</em>随机生成一定位数的字符串-excel 生成字符串,excel字

=CONCATENATE(LOOKUP(RANDBETWEEN(1,31),{1,"A";2,"B";3,"C";4,"D";5,"E";6,"F";7,"G";8,"H";9,"I";10,"J";11,"K";12,"L";13,"M";14,"N";15,"P";16,"Q";17,"R";18,"S";19,"T";20,"U";21,"V";22,"W";23,"X";24,"Y";25,3;26,4;27,5;28,6;29,7;30,8;31,9}),LOOKUP(RANDBETWEEN(1,31),{1,"A";2,"B";3,"C";4,"D";5,"E";6,"F";7,"G";8,"H";9,"I";10,"J";11,"K";12,"L";13,"M";14,"N";15,"P";16,"Q";17,"R";18,"S";19,"T";20,"U";21,"V";22,"W";23,"X";24,"Y";25,3;26,4;27,5;28,6;29,7;30,8;31,9}),LOOKUP(RANDBETWEEN(1,31),{1,"A";2,"B";3,"C";4,"D";5,"E";6,"F";7,"G";8,"H";9,"I";10,"J";11,"K";12,"L";13,"M";14,"N";15,"P";16,"Q";17,"R";18,"S";19,"T";20,"U";21,"V";22,"W";23,"X";24,"Y";25,3;26,4;27,5;28,6;29,7;30,8;31,9}),LOOKUP(RANDBETWEEN(1,31),{1,"A";2,"B";3,"C";4,"D";5,"E";6,"F";7,"G";8,"H";9,"I";10,"J";11,"K";12,"L";13,"M";14,"N";15,"P";16,"Q";17,"R";18,"S";19,"T";20,"U";21,"V";22,"W";23,"X";24,"Y";25,3;26,4;27,5;28,6;29,7;30,8;31,9}),LOOKUP(RANDBETWEEN(1,31),{1,"A";2,"B";3,"C";4,"D";5,"E";6,"F";7,"G";8,"H";9,"I";10,"J";11,"K";12,"L";13,"M";14,"N";15,"P";16,"Q";17,"R";18,"S";19,"T";20,"U";21,"V";22,"W";23,"X";24,"Y";25,3;26,4;27,5;28,6;29,7;30,8;31,9}),LOOKUP(RANDBETWEEN(1,31),{1,"A";2,"B";3,"C";4,"D";5,"E";6,"F";7,"G";8,"H";9,"I";10,"J";11,"K";12,"L";13,"M";14,"N";15,"P";16,"Q";17,"R";18,"S";19,"T";20,"U";21,"V";22,"W";23,"X";24,"Y";25,3;26,4;27,5;28,6;29,7;30,8;31,9}),LOOKUP(RANDBETWEEN(1,31),{1,"A";2,"B";3,"C";4,"D";5,"E";6,"F";7,"G";8,"H";9,"I";10,"J";11,"K";12,"L";13,"M";14,"N";15,"P";16,"Q";17,"R";18,"S";19,"T";20,"U";21,"V";22,"W";23,"X";24,"Y";25,3;26,4;27,5;28,6;29,7;30,8;31,9}),LOOKUP(RANDBETWEEN(1,31),{1,"A";2,"B";3,"C";4,"D";5,"E";6,"F";7,"G";8,"H";9,"I";10,"J";11,"K";12,"L";13,"M";14,"N";15,"P";16,"Q";17,"R";18,"S";19,"T";20,"U";21,"V";22,"W";23,"X";24,"Y";25,3;26,4;27,5;28,6;29,7;30,8;31,9}))

方法：以8位随机码为知例。

1、打开EXCEL表格，在任意单元格输入：=TEXT(INT(RAND()*100000000),"00000000")

2、向下或道向右拖动填充手柄，就可以改变数值。

注：内如更需要更改数值，可将中间的“容100000000”的0增加/减少。

Ctrl+F   查找后      Ctrl+A

然后 设置  格式

到这一步  按 Ctrl +A

比如这个：
=RANDBETWEEN(10000000,99999999)
采用以上函数自动生成8位随机数字密码
你查询一下这个函数，可以限定生成的字符包括：数字、大小写字母等。