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发表于 2012-11-13 08:48:12
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1判断语句
' ]: t/ y) g2 _, a) ]& X& e if <condition> then
# G1 J2 z# E0 d& c$ |# r" Y <statement sequence1>;
7 m- [3 o8 g! A7 F0 X* P* E1 o8 o elseif <condition> then
7 Q# H( P$ I2 ~, t# I! q <statement sequence2>;
0 [" c- ]2 B7 `/ L+ q9 | else
7 h, m g# X- D3 [) B <statement sequence3>;
7 E- d* `! P; ~6 j end;; U9 y- v' E3 t* X# Z
如果分支比较多，用：( ]0 u |# u4 y4 d# y
inspect <expression>
9 v* _& a* Z7 f- v when <constant_list> then
# s( ?3 J" E; d <statement sequence1>;# Q& Z, m* v3 i( s. d V+ @
when <constant_list> then& ]2 b( s2 U* ^3 O: j+ H7 H2 ~
<statement sequence2>;
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else* V# I, u) m2 s6 l8 m- O( J& F
<statement sequence3>; K" u$ j4 F1 X
end;
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5 E6 W A. \% }7 P4 k2 x. `7 f1 I2循环语句6 X( T, }+ [ l: g/ X- W7 m
(1) from <statement sequence1>
% @4 d! D1 _2 [2 P* X) G until <condition> loop
5 ~' M( V4 O/ m: ?, v <statement sequence2>;
, C( ], q1 Z1 H' z end;; |1 H# ^) E; Q" v5 c
(2) while <condition> loop) @* \. q* g; A. ]1 n' g o' S
<statement sequence1>;
' T! w2 ~- t% ?; ~ end;
& V y6 `$ s7 V (3) repeat 6 l/ {+ V& _, f. I+ q7 Y
<statement sequence1>;
$ c3 \( @/ X5 P& G until <condition>;
8 _# U6 A! p3 e, O- [9 I5 d' m (4) for <condition> to <condition> loop
; d2 B `9 R0 e* _; Z( F/ _- c <statement sequence1>;! b9 I0 a6 v: a6 I
next;0 y: x8 m4 e# `
3中断语句9 l4 N- |( F% v& k$ o* j. W
waituntil <condition> prio <integer expression>;1 a* T% w# _* Z( X7 P
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以上为常用的函数！0 I% i. a! q: p4 F
还有很多，如有需要我把资料发到你邮箱里
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