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发表于 2012-11-13 08:48:12
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1判断语句
" d( f4 `7 S3 r& h- L if <condition> then, Q) P [/ F7 M
<statement sequence1>;' F8 Y8 G3 W* l) ~( p2 L, s
elseif <condition> then
# v+ } {. R! b7 L$ ^ <statement sequence2>;
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<statement sequence3>;
4 r; g4 u3 @* l end;
$ z% j9 ?% I; D* i" \! T1 j3 ~, x如果分支比较多，用：
: V1 i# ~* t2 [, ]$ R inspect <expression>, s9 s& ?/ J1 t3 I
when <constant_list> then* w5 o6 n% x$ t8 W
<statement sequence1>;
' F7 n. Q5 k) w when <constant_list> then
$ R# L8 H3 A7 i1 i1 ]2 z6 H5 x <statement sequence2>;: s* e: h# K3 _0 P8 L
...
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<statement sequence3>;
; F; x3 Z, a/ w4 E4 Iend;
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: i2 [4 P" D. S7 b- @2循环语句 x4 W( }4 M# \8 F, a
(1) from <statement sequence1>
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<statement sequence2>;
# B; S7 L, y9 V! x/ ] end;
. n3 F+ {6 b9 @( C+ c8 h (2) while <condition> loop
$ m4 |7 u% z5 Q$ m <statement sequence1>;
) r. L3 h/ W4 I$ u5 N/ p' y end;
2 F. `; h' t3 f8 A; m, M9 P* a (3) repeat
! z% A3 _& I$ d' U$ o <statement sequence1>;- B" I4 P8 s+ j$ T- E
until <condition>;- @8 G7 R9 v: C. W, [) f+ ^( Y
(4) for <condition> to <condition> loop
4 s7 x5 A5 m# X; b4 r8 u <statement sequence1>;4 d4 O6 e5 x+ s) {: a9 t
next;% L, B9 c4 f6 z* s7 ? a& a7 ~& @
3中断语句: c2 E: |5 |- c3 N& j; R/ B
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# R5 A8 R3 n6 R4 `5 U
还有很多，如有需要我把资料发到你邮箱里
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