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发表于 2012-11-13 08:48:12
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1判断语句( {1 H* J& ^& c1 D
if <condition> then+ q, G7 A1 A) N# u
<statement sequence1>;" J5 ]1 j. R2 L! t: m4 z7 ?7 R4 ]
elseif <condition> then" K, @ e+ u3 {8 L" B6 p2 A
<statement sequence2>;' [2 q8 E! Z A
else . j! R' h, D/ O: O( c2 c
<statement sequence3>;
. X4 `# j$ @$ Z. c/ T' c+ v end;
1 g) j& _) C8 f4 q9 M. v如果分支比较多，用：. ^7 P0 F* H. m
inspect <expression>
f7 C# d+ q9 l+ Z' X6 I when <constant_list> then, U3 C; E6 ^/ Y( Y5 W7 j
<statement sequence1>;
- q* G; l% M& ?+ ~- z; C" O* g when <constant_list> then2 O2 u) ~) a& ?6 C
<statement sequence2>;
1 `7 l) t s4 y/ j( J ...
8 A6 d( x0 M y" v# L2 ~ else
5 ?- d& p8 J p2 Z <statement sequence3>;
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$ {2 s3 P7 E7 l3 _2循环语句
0 _5 S$ I- W9 A0 n+ } (1) from <statement sequence1>
! v1 b% Q, P+ [# U9 T until <condition> loop" b4 `) T( E& F4 o }% N) T
<statement sequence2>;
( c: k$ B( l0 A4 H end;
% a* d: K4 {4 j8 G( R' D6 L1 b h+ x (2) while <condition> loop+ H8 Z T8 i- Z( a! }* Y' d
<statement sequence1>;4 W% W0 p& S, }; ?
end;
- l* M7 H a" S( g5 ?# h (3) repeat
! a1 k" R0 j$ D. C3 h4 z S0 m( T% W* f$ M <statement sequence1>;6 i* z& {$ d1 F, d' f, i% l
until <condition>;
7 m3 r# a! h7 \7 n/ \3 I (4) for <condition> to <condition> loop u/ V* Q+ K; }0 ?. I ]. O
<statement sequence1>;, P( Z4 a2 D: t1 i
next;& U# _. V& H, \6 s# T+ o
3中断语句. s) w' L7 T: Q
waituntil <condition> prio <integer expression>;
8 t# q4 N; t. @/ a5 @/ x* Y3 T* T7 q, z, o! a/ w9 D
7 {' O; i" s+ M7 a" J, K* U" z0 D' F: h以上为常用的函数！# Q0 \2 i2 M5 z* f" @7 V
还有很多，如有需要我把资料发到你邮箱里 6 k. X/ `9 X0 @, a
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