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发表于 2012-11-13 08:48:12
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1判断语句4 A8 J4 ~8 d5 ]/ e
if <condition> then; k3 @" s9 k5 B) X" i( f
<statement sequence1>;9 [8 s) y: w. {2 l- D& g7 Q
elseif <condition> then# t. s) m! B# [: N9 ^
<statement sequence2>;
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<statement sequence3>;
$ `) ~# S/ y! h5 a end;% v Z J9 C* K
如果分支比较多，用：
! R X* \$ Y; X/ P inspect <expression>* r2 h7 a% A) o
when <constant_list> then( [7 d" `% N4 v
<statement sequence1>;/ Y; [3 X% @& h. W' k3 q% C
when <constant_list> then
, E n/ Z. p( s+ J1 a& j7 p9 p <statement sequence2>;% t) U0 w/ B5 |! E* D9 l; k
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else
! U0 E! P; L g2 S& m <statement sequence3>;$ q5 N2 g0 \/ b# u6 b% M, K
end;
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4 D2 ~$ G& L7 c* M3 T1 o2循环语句8 K) @; s4 ]( B( h
(1) from <statement sequence1>
" E" }7 G8 Q% c$ Y: i5 S until <condition> loop
$ K: A6 f5 M2 C <statement sequence2>;
9 {7 z, f4 i2 l$ ]9 }8 h- B end;
: P9 E7 Q& W; {+ K' h (2) while <condition> loop9 X* x' L9 B M4 j* P' ^
<statement sequence1>;: \7 S9 v' x& L4 v
end;$ b4 O, d# x' w% E/ T
(3) repeat
0 O- M2 Z& D: n/ O0 U3 \( V <statement sequence1>;. `2 V; }7 ~2 ?9 `9 G% A" T
until <condition>;- |8 G8 {, t2 n) y: l% w1 ^1 Y
(4) for <condition> to <condition> loop+ C3 G; d/ U, L) d8 h
<statement sequence1>;
: o7 Y+ @( U) _, y7 i5 k next;
' ~+ @7 a6 t9 s6 T8 h, \9 _3中断语句
# ?: d2 P3 E4 Z& r% a3 P7 u waituntil <condition> prio <integer expression>;9 D8 }1 c5 @# ]4 X. C* C+ J3 g8 ]
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以上为常用的函数！$ C3 i6 `5 q' i* Z6 c
还有很多，如有需要我把资料发到你邮箱里
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