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发表于 2012-11-13 08:48:12
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1判断语句0 p: k4 |+ J3 K% s
if <condition> then6 G7 i+ ^' o& Y: w
<statement sequence1>;! ?- P& n! U0 J8 b9 p5 e0 B
elseif <condition> then9 U& B, X& |# V7 K8 Q9 E ~
<statement sequence2>;
$ `$ s! s9 ^9 f. G6 f else
2 F# O8 H4 Y# [" Y <statement sequence3>;
% X& m* S$ p. p end;
4 }: E0 w) T) R- I5 _如果分支比较多，用：
& F2 T8 B, A' b& T4 Z: Y9 W& f; z inspect <expression>0 q* Z1 T- \! Q; N4 I
when <constant_list> then
+ [! L- B) h S% w6 j+ d' Q <statement sequence1>;. L8 R l8 H1 c
when <constant_list> then
$ t! @& B0 {# E& X3 t* @ <statement sequence2>;+ L; M8 E& A9 w: d. K+ N
...
2 i+ Q# `' E7 N% i& x! `1 y else& {: b0 t7 P0 f0 W8 X: {; ~
<statement sequence3>;
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2循环语句
- {& p6 g0 m- h; l/ k& n7 X (1) from <statement sequence1>$ N- }& y; H" N0 ~) H) S
until <condition> loop. d' j% E9 d& D& Y- @
<statement sequence2>;8 Q# S7 K6 C( E
end;* l9 ^% T/ m3 L y# `7 V5 v" j: Q
(2) while <condition> loop
) C+ D, u$ E4 N. X! s4 ] <statement sequence1>;
% G* u' f4 I, M' R2 q( {$ }' A- v end;
8 i& l7 q% ^! r3 e! w D6 z (3) repeat
! Q+ w4 g2 t: X6 g3 Z8 |% [& \- n9 t <statement sequence1>;" v9 e" J5 Q) e6 l- v
until <condition>;
, w: y$ e/ q ^6 o/ b (4) for <condition> to <condition> loop
4 w n2 o- A7 R <statement sequence1>;
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3中断语句" r7 E& Y9 {: A$ u1 l$ h; `
waituntil <condition> prio <integer expression>;! O) k1 A" q% X! j
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以上为常用的函数！2 C* A" g7 y2 s
还有很多，如有需要我把资料发到你邮箱里
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