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发表于 2012-11-13 08:48:12
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1判断语句
0 W( G9 {- U8 m g3 m" o" P6 t if <condition> then' ]1 V7 H' n4 _8 f8 x. G% _( ~
<statement sequence1>;' z" K7 ~* g! a" _7 {: @$ j, A6 h6 j1 k
elseif <condition> then
4 i& B+ t. Y, J+ ?; V8 F <statement sequence2>;* M( K3 B# j5 w# m
else 8 Y8 B( n# e: n! h1 B- n m
<statement sequence3>;
9 ]8 N, t6 L, m8 h. q end;
5 \* W/ X+ r/ w, Y5 S6 [: z% C如果分支比较多，用： F! p3 m; `. L; e& |" N4 ~ z/ }
inspect <expression>
+ U" O* c4 q' y; P1 [: M& j when <constant_list> then
+ h8 @4 b1 s ]* F! @5 ` <statement sequence1>;, o! D- u# l0 L& b9 Q, N
when <constant_list> then) W4 G* s! H3 ~5 S1 a3 r
<statement sequence2>;
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else1 v3 [6 e( q% W5 Z# X8 x
<statement sequence3>;3 g5 M0 z! `- b
end;; X$ w8 q# W# g# o% I ~- L
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2循环语句
( ^) [4 N4 {' a0 P3 i; ~9 q# s (1) from <statement sequence1>
/ ~8 V0 g/ _4 O until <condition> loop
8 z( k0 B* O2 N9 b: f$ T+ G" h <statement sequence2>;
" @8 j+ d+ C2 P1 h% K end;
9 R. u3 j8 D" n (2) while <condition> loop! c/ A5 l% K; u8 T
<statement sequence1>;
, C! D2 ^+ c; v1 F0 x G! d end;. b/ A# c$ p, w/ Z, \' z8 c' N
(3) repeat # X! @6 x* L) Y1 n. s" e. V
<statement sequence1>;& y3 l# o3 [1 V$ v
until <condition>;
, w0 D* M) l6 p9 F( z (4) for <condition> to <condition> loop( t. w9 M0 p3 Z4 U' G6 Q
<statement sequence1>;
% p4 i. t, G3 O! U, L4 r0 F) _ next;7 R* n6 F: J$ R% b8 M
3中断语句& N7 Z- v& o% D
waituntil <condition> prio <integer expression>;
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7 m9 a# P5 R9 p4 _: b& O; I以上为常用的函数！
; l; ~+ h8 m( c& g1 ?* k; L还有很多，如有需要我把资料发到你邮箱里 ; C$ p O6 y- J8 i+ G
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