|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
! t4 P- ]! l _- c& N! Q% A8 X if <condition> then
5 }9 q% ]2 g# ? <statement sequence1>;
. _! p% _7 g2 j. ` elseif <condition> then; ^0 z% n# b9 W: e0 R& l
<statement sequence2>;# N( k. i9 }, F% g# W
else
& F/ a" i* d! u7 y0 Z/ g; ~) N <statement sequence3>;
+ X; y" |/ Q7 y5 U" C* O end;
' J$ K* z$ f0 b+ Z% @8 H7 w如果分支比较多，用：0 d7 _+ R n, m. p- v, M! A6 e2 N) F! b8 |
inspect <expression>
. f. H! N" `# y. k4 `: \6 U1 B& O when <constant_list> then$ t# _ T% `( P. T% R( A, `
<statement sequence1>;
5 X6 \9 n3 G4 U when <constant_list> then6 F/ F8 {0 X% Y7 N" o: Y
<statement sequence2>;2 P. N9 N% l, L t/ x# i
...0 _6 ?+ Q0 ^% K4 S) W5 N' E" J+ o% Z
else
5 `5 X/ @* J8 c2 l/ k# s <statement sequence3>;
" A4 z7 h, B3 \2 K+ O( u* ~end;' Q9 t, Z7 \3 q5 A
( n. J5 n+ X2 [7 U U9 Z/ q1 f
2循环语句
5 ?- I8 R% I ?* F$ O (1) from <statement sequence1>
; a1 ?3 `, p9 u" Z4 R* {) J+ B until <condition> loop
# i8 m- j1 y( k* {; i <statement sequence2>;
7 g- F" F, b: F1 Y) B end;
2 a ?9 f% k1 j3 b, H (2) while <condition> loop4 t. Y# S$ Q# C4 f+ }5 q# f
<statement sequence1>;
! o- H9 M; { U2 S& ^6 a2 E end;
% ^6 O* I9 x, I7 v) Z: t0 D (3) repeat 1 z7 K7 a' W# g' e
<statement sequence1>;
: R. h1 _7 j& Q7 n8 u# p until <condition>;
O C2 _" U! p5 E (4) for <condition> to <condition> loop
6 L& Q6 g" a% j6 H6 Q* Y <statement sequence1>;3 k5 {# B# p1 m
next;# e, Z5 y) b0 A
3中断语句
6 o- w5 f0 n2 R waituntil <condition> prio <integer expression>;
( I: f/ y% b4 C' R5 N2 C" K1 b/ l# g3 a4 g* D1 z. t
0 j. |0 A3 h; K0 I3 g$ B以上为常用的函数！6 v! P5 L0 q6 h5 L* ^) ]+ z C
还有很多，如有需要我把资料发到你邮箱里 % c6 k; e1 x; X6 f2 D/ S
) E& ]' b0 K s# |: f! c$ a( b' ~$ G4 r9 M( G7 H
/ T1 \+ X6 `: J, i; c8 P g
, G* U8 {& O1 t# P. X( M4 Y2 B. w. k+ k; f
: ]$ D8 f2 j4 Q1 ]8 l6 X7 ? Y
) m- R1 h& Z0 {) I$ k2 I
! Z+ a5 t' A6 x, n2 U& _
5 p7 ~( e* l4 L: e1 K 3 v! P" O% d- n, U
|
|
[复制链接]
