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发表于 2012-11-13 08:48:12
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1判断语句
r; e o" T$ ?! q if <condition> then3 j+ Z3 \6 c# A( c* |" d
<statement sequence1>;
$ F8 b: e& n- U, `5 p, t9 n elseif <condition> then
! h4 i z: l6 }2 G4 Y <statement sequence2>;1 U6 D) F+ a- L8 g. S3 ^
else 7 F/ Q; p3 d& A4 ^! U, X w. `5 A
<statement sequence3>;2 g2 t j8 p) ~; e
end;
( @' b1 H: Y+ @$ s8 M' C1 E3 u3 z如果分支比较多，用：
k4 y) ?" n9 w0 r inspect <expression>
+ q6 l2 ^; d8 y% c l4 q4 j! ~5 F when <constant_list> then1 T% t: L! v8 S3 g( K2 S% `) r ^
<statement sequence1>;
& w3 t& ~! n( U$ M& }5 Z3 F8 ~ when <constant_list> then
) T" e A( u: v5 K* x7 j <statement sequence2>;3 e% G3 N/ A2 R" b+ k
...5 I# ] e1 A4 R2 ?4 V P5 u
else
) K: `- L9 }8 l9 d" P4 H# ^/ ]( { <statement sequence3>;5 \4 k5 c, B3 k8 p u- X
end;
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/ k. O; S7 a2 Z: M2循环语句
% b; l. L6 Y: _ (1) from <statement sequence1>+ {& d% d7 Y5 y5 @3 w* _7 s
until <condition> loop
) b! r9 X8 u' w* g <statement sequence2>;$ r, G) K1 r; {* E
end;
# @3 w% J9 @; i7 m (2) while <condition> loop
) K1 V( [4 A# X* p9 i# | <statement sequence1>;
9 q$ ^0 E3 i' d/ l e. T& t2 M end;
) A4 _/ K: U9 s! g: h/ V. n" b' i$ ?; t (3) repeat * Q- n0 `) v* ~( G$ `7 j
<statement sequence1>;4 O7 v$ n/ }9 S' |6 S! b
until <condition>;6 e3 d/ \' z1 m! x5 F
(4) for <condition> to <condition> loop, L, T: Y ]; u
<statement sequence1>;" X$ ~/ y2 Y) T3 B: ]! V
next;. A: X( x" [' \7 t! u
3中断语句9 c& ?& g0 n% N6 i& x
waituntil <condition> prio <integer expression>;
% |8 Y, _1 l5 N i" |( u- p( [; l+ Q. h
* ^" ^+ I: E5 X
以上为常用的函数！
; P& g7 k+ ^6 c- \& M/ I还有很多，如有需要我把资料发到你邮箱里
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