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发表于 2012-11-13 08:48:12
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1判断语句
+ C @7 e+ O/ H3 k9 Y- { if <condition> then) W/ O) ^& Z0 a. G+ b9 S& x
<statement sequence1>;
; p% p' c. Z# M+ \ elseif <condition> then- W# o- K g/ A
<statement sequence2>;* R5 W2 t3 R* N3 U' K9 A" u1 w
else
5 X; ~3 K+ o- t <statement sequence3>;! L8 M6 O, B1 n
end;7 k! {: G7 N* j9 U$ [+ k) C
如果分支比较多，用：+ p8 o2 T- c B: v1 L
inspect <expression>
# @7 Y/ M+ A3 e: r1 H% ?2 _ when <constant_list> then
9 g; [ W* S9 i, G <statement sequence1>;
8 Y- S6 m% T" `2 ? |9 z. m, s when <constant_list> then2 g, J6 S* z0 ^
<statement sequence2>;+ l) o, z6 i& B8 C
...
" f( h' W( ^* `* D5 o" U else
8 m4 \3 n. u' V$ O, K; F1 _ <statement sequence3>;
& N, i* L1 V8 u! Nend;
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9 E6 Y* g5 M" y# S2循环语句
( V+ }' {% E3 q" w, i/ ~. G8 y (1) from <statement sequence1>* B; a; W+ y+ F
until <condition> loop
* u6 a$ b& W/ L/ Z' ~ <statement sequence2>;. ]; y2 t4 o- x' X4 x5 B
end;
! F; ?' e' l0 o/ k& Q (2) while <condition> loop
8 E+ N; i/ b: J& J; j. m+ G <statement sequence1>;+ {- ~/ H4 t: i+ g; |
end;
* b c, U' ?. j (3) repeat
: a3 [+ Y3 U. K" H8 r" V! {8 X <statement sequence1>;; @: ], p( k7 d9 S. r, I, \
until <condition>;: [' W" t$ q$ A ?8 k( m
(4) for <condition> to <condition> loop$ v3 ]; M% p3 t: e4 i6 c. N
<statement sequence1>;
9 Z# t; k' d# u6 \1 b, p8 U next;
7 N' G; T' ~! O" p/ B# i6 d. ~2 L3中断语句7 b: K+ O% @8 {
waituntil <condition> prio <integer expression>;
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3 D/ t3 L1 x3 Q6 e1 o. t" Z
以上为常用的函数！
- g( U& z6 ^2 B( y还有很多，如有需要我把资料发到你邮箱里
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