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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
) D7 V2 I& B$ {' z; ~ k% b if <condition> then5 _/ m$ g3 o0 L, k3 I: {
<statement sequence1>;$ d4 _1 e8 D5 F- Z- `
elseif <condition> then
) I; l1 n, |3 o/ G7 A* K2 h! Q% O <statement sequence2>;. L" q6 v4 O2 A2 h
else # O- w, t2 I% a6 B. Q9 N
<statement sequence3>;
; o- y/ I+ J( h$ Y/ x! c" D end;
0 T" I6 T# v' h, y7 @' X如果分支比较多，用：, P, s& s9 G! q: Y
inspect <expression>
& [; M# r; _ c; g when <constant_list> then
: @9 w' b, X" j4 X* b <statement sequence1>;0 u; F& i3 m7 y; A2 |; a7 u
when <constant_list> then
5 f& x/ _& q, e0 V. i: W <statement sequence2>;
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else, l4 ^" S" O$ O" R* c0 G
<statement sequence3>;2 D' x- _- Z/ R& z& z' i
end;
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2循环语句
# W) W% y9 Z1 U' v (1) from <statement sequence1>
/ @1 \4 q0 y( j- c4 f" Q& x until <condition> loop
& o2 U1 h+ O5 v3 ]$ x <statement sequence2>;: r& x6 A4 C1 G! O9 {
end;3 @' V' D, i. c/ n" O; B( l) Q
(2) while <condition> loop# u& `9 |4 Z5 G! y# b: i1 b
<statement sequence1>;, Z+ c1 f$ i1 K9 R0 e
end;. C4 f. D" p* N& b: q8 u6 z
(3) repeat
2 f: G r* o5 \# I4 c <statement sequence1>;# a3 n6 o1 R N7 z T% S
until <condition>;, K% n1 y( n( t, n2 d& H
(4) for <condition> to <condition> loop' b8 Y [# W. J5 l/ P; l
<statement sequence1>;( ] D. E% o: x( j6 v5 v! e$ V
next;& {9 r- G2 |3 I
3中断语句* V: f4 W( q+ w f$ k
waituntil <condition> prio <integer expression>;
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( y A+ U0 o" U u# W2 n' r7 C) \
以上为常用的函数！: \$ o. B/ O: Z# r- h) Y
还有很多，如有需要我把资料发到你邮箱里
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