将字符值从字符数组变量复制到字符(字符串)变量

时间:2012-03-28 06:57:30

标签: progress-4gl openedge

这是我的问题

define varibale MyArray as character extent 40 no-undo.
define variable Mychara as character           no-undo.

Mychara = "hai this is checking how to copy values"

现在我想将此字符串复制到我的“MyArray”。所以它应该如下

MyArray [1] = h,MyArray [2] = a,MyArray [3] = i,MyArray [4] =“”,MyArray [5] = t,MyArray [6] = h 等等...

那怎么办?

3 个答案:

答案 0 :(得分:5)

鉴于您的代码示例,这应该可以解决问题:

define variable MyArr as character EXTENT 40 no-undo.
define variable Mychara as character           no-undo.

Mychara = "hai this is checking how to copy values".

DEF VAR i AS INT NO-UNDO.

DO i = 1 TO 40:
    MyArr[i] = SUBSTRING(MyChara,i,1).
END.

但需要注意的是:这意味着您必须事先知道String的(最大)大小,以便适当地定义数组大小。

答案 1 :(得分:2)

动态一点点;)

define variable MyArr   as character EXTENT no-undo.
define variable Mychara as character no-undo.
DEF    VAR      i       AS INT       NO-UNDO.

Mychara = "hai this is checking how to copy values".

EXTENT (MyArr) = LENGTH (Mychara).

DO i = 1 TO EXTENT (MyArr):
  MyArr[i] = SUBSTRING(MyChara,i,1).
END.

答案 2 :(得分:1)

define var l_mychara as integer no-undo.
define variable MyArray as character format "x(5)" extent 40 no-undo.
     define variable Mychara as character format "x(5)" no-undo.
def var i as int init 1.

Mychara = "hai this is checking how to copy values".
    assign l_mychara = length(Mychara).

do while i <= l_mychara.
    assign myarray[i] =   substring(mychara,i,1).
    if myarray[i] = "" then assign myarray[i] = "blank".
    i = i + 1.
   end.

disp Myarray .