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发表于 2012-11-13 08:48:12
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1判断语句
% Y% m2 ~0 O! V if <condition> then0 i- e8 V5 N9 X$ V4 ^& V/ \" O
<statement sequence1>;, P' k) T a E+ `- I5 J! S. r. e
elseif <condition> then
! P* u3 h- v- \. \3 Y; } <statement sequence2>;9 l6 S) v1 T; \1 W9 S
else # ^) ]0 k2 |1 F8 l
<statement sequence3>;
* ^; A, P3 A) w- e end;
9 ~/ p+ b0 y. f$ \如果分支比较多，用：
- }+ B, g( Q' t7 Z# l$ @ inspect <expression>
" C. g4 Q" [8 `8 h when <constant_list> then7 _5 I5 A2 s. i9 P
<statement sequence1>;
6 f6 N1 A6 w4 H/ d when <constant_list> then
( h* j5 H) @( N" c8 Q8 T <statement sequence2>;2 u6 r9 k2 |/ {. ]; a& W
...
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<statement sequence3>;$ [4 f$ b" F( S6 U; p8 u$ b5 J! M
end;+ g7 S& b- g( T5 `9 r
# `5 N9 n; t# }. @# N/ S2循环语句9 s A. B, T( E5 a$ P/ N5 e
(1) from <statement sequence1>
0 C8 q8 p& C* N4 `: t/ s4 X until <condition> loop+ s& ?& w# R0 w3 l. A% H- G
<statement sequence2>;: k; g$ o$ x6 E0 u* o/ I5 T. b
end;
2 g7 P4 ?2 t- q (2) while <condition> loop4 X! J" O' Z6 Z
<statement sequence1>;
8 G3 H* J) g4 O. j- W end;0 E# H, O6 C$ g- w
(3) repeat
! F* ` U6 ]! r" m4 E/ W' H <statement sequence1>;
% i7 l" H, S: F until <condition>;) m7 s7 K1 R+ V0 U; `; ^6 n! V
(4) for <condition> to <condition> loop
) d3 T" i( P* T( \7 h <statement sequence1>;5 W" y. X7 C/ q- Q" ^8 w/ y
next;
3 n8 ~+ z3 p9 u3中断语句. G1 Z& r# m/ @; X' o
waituntil <condition> prio <integer expression>;. ]2 E- c E, ?4 K; [+ g* S
/ m+ c8 _9 H+ `4 X: r/ I& z
1 v: I5 A/ M5 a+ U: H以上为常用的函数！
! w9 J3 O6 I J& m还有很多，如有需要我把资料发到你邮箱里
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