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发表于 2012-11-13 08:48:12
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1判断语句/ A' R7 }8 R% `9 [6 g
if <condition> then8 Q/ E j! C% \/ |. W" F1 p1 |0 s
<statement sequence1>;. E# x" T9 ~% k; m
elseif <condition> then t2 F9 {3 c3 e7 M+ r+ i6 j
<statement sequence2>;. y4 c$ C8 Y5 V+ `2 I
else # F- d! j* A( r
<statement sequence3>;, `6 _1 f4 E* K) G Y
end;
0 d4 ^0 j% x7 y; n如果分支比较多，用：
" `4 P& {. Q; W( ` inspect <expression>
: M m+ i) ]1 v! b when <constant_list> then
2 M# G. |/ ]& S5 @$ C! e( t5 k: f <statement sequence1>;4 ~1 n! c4 g8 e1 }1 J3 T3 I+ r$ s# i
when <constant_list> then
# f- D5 P! P1 r6 P9 H <statement sequence2>;$ q8 i0 c2 q1 i% A7 K
...! O5 D( u1 K3 e3 F+ u( x
else9 f4 N- _, o# {9 F3 @; A H6 J
<statement sequence3>;
6 @# [* E- n& Z! g/ }+ @end;
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2循环语句$ R, B$ o. N0 C
(1) from <statement sequence1>
8 Q3 N' ] n7 g6 O6 } until <condition> loop" A$ @- g5 D# A7 Q9 {7 S
<statement sequence2>;
c% `# N7 g/ P2 ]5 R6 h end;
2 [ ?& t" }+ o% d: \# v, k (2) while <condition> loop; K3 t: i7 n' O5 q: r0 m( M) k
<statement sequence1>;
/ r; N/ t p" E# X1 o0 W$ A end;5 }6 m8 G" h( t7 F
(3) repeat 3 P. p) n! R, M3 z
<statement sequence1>;
# Z+ c& N, L% `' O) @& t0 ~3 P until <condition>;
2 R0 q! D0 z3 l* w0 b0 u (4) for <condition> to <condition> loop
8 X1 ~2 z G: N <statement sequence1>;
. _9 t3 l8 t# q2 X" n0 P/ B. j next;
4 B0 {* Q# h, g& z3中断语句
; k& E' B7 D' v0 \8 O* E5 L waituntil <condition> prio <integer expression>;" v6 Y/ C( X+ N, K$ Q# P7 i6 t% _7 Q. y
5 i; |+ a9 H. ?
% Q7 ?' Y4 ^# [以上为常用的函数！
: j8 c* O/ a# p8 J" w还有很多，如有需要我把资料发到你邮箱里
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