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发表于 2012-11-13 08:48:12
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1判断语句 z5 p- r$ l6 j" U/ Z- K/ F' K$ A
if <condition> then0 |; N6 l1 o% u& }$ N8 t! C
<statement sequence1>;
; c9 d5 C' ?/ B/ T5 _- l9 @/ E elseif <condition> then
5 y2 m0 u! p7 i9 t. F0 f <statement sequence2>; M) [" N% M, w$ @! Y* Z
else
5 k) X, x- T% _ N1 W! i <statement sequence3>;! N" p5 ]7 y9 K( E
end;
" F0 ]2 u8 W2 t9 \; {4 J) P如果分支比较多，用：0 X# T' l$ f* S) C) I
inspect <expression>
+ P( L( K D3 S' {$ E when <constant_list> then
+ O1 C4 E R" C0 F <statement sequence1>;
7 E7 |$ }# C$ X when <constant_list> then
- w! c" X' s1 r! M+ V& |! t3 y <statement sequence2>;# U& a: v2 j) D1 s! u
...
# |. L3 [& q0 ^! |) g1 n else' d( l' I( T6 C9 G* `- x" l
<statement sequence3>;
' j; `0 w9 u" q; b4 D- eend;5 Y) G7 D6 G' T" W+ }6 R
7 k) z: n' Z* } Z+ }2循环语句+ q! g0 {2 n2 \2 w. |; g! \
(1) from <statement sequence1>
# {8 P$ a; p2 q6 B until <condition> loop
3 I$ h, D6 ]9 N1 T0 M( ?4 r6 K <statement sequence2>;% ?& U- e/ ^) F2 m! R
end;# R }: h9 m* Z# D
(2) while <condition> loop
. y" {7 ^& v* v7 w G8 ^) P <statement sequence1>;
& K! k) T) k) N- ?6 X' Y7 q: _ end;
$ D, e/ q6 I& A/ J (3) repeat 2 ~+ [3 p2 h/ g
<statement sequence1>;
0 P! g2 W0 O6 p. ] until <condition>;
( a" ?3 s5 _7 W, P (4) for <condition> to <condition> loop
" O1 M* U7 E8 J/ U <statement sequence1>;- Y2 O5 {& O4 l S% q
next;$ I8 `1 R9 w& ^% }& d# |
3中断语句* R% L: W5 W Y, S( I. L2 E
waituntil <condition> prio <integer expression>;, T- i2 s: c7 h5 N9 H
& \ y7 ^$ N" f/ @4 p- @+ Z8 {
, p4 {8 y. r1 i/ Y8 r6 G6 B# x8 l, }2 s9 x以上为常用的函数！ d% S) b" D+ Q" y# B% P/ d
还有很多，如有需要我把资料发到你邮箱里
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