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发表于 2012-11-13 08:48:12
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1判断语句+ f# [& g+ Y& g, V1 I
if <condition> then+ B, [3 L8 G8 B- W
<statement sequence1>;
1 F# r9 Q+ u& W7 V* U- T elseif <condition> then% w/ d% P$ m. e6 q
<statement sequence2>;3 V* Q p( e" G9 n3 W. v3 E
else
% q5 ^" t7 c; }: R- e& e8 F. H3 O <statement sequence3>;( _+ u( f' U, B! k$ K) p
end;
; l; ~4 R q6 h1 u# W如果分支比较多，用：
. Q+ M4 w3 f v X# ]) s1 j% L5 r inspect <expression>
3 c! l6 i4 `8 q& F' N when <constant_list> then' h B/ K) G: S E( F) m
<statement sequence1>;
! j, n& L! E& Q4 y5 S y5 G- M0 Z when <constant_list> then K* D F5 d5 g, B: Z2 b/ n5 ^7 Q
<statement sequence2>;
8 ]* D: U/ J/ l( T: I* @ ...
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<statement sequence3>;5 \* b7 n8 y8 v, w
end;" I4 b6 H- ?4 |6 S3 E8 `
% ]) m* A4 g% l3 v' B2循环语句
7 x' n( V6 H6 G (1) from <statement sequence1>
' a( i+ O( ?2 I& L6 H until <condition> loop" _) |% s8 G& g" H* b( @ P4 Z
<statement sequence2>;
1 G% w* ?/ R3 ^+ g+ Q end;! v4 d1 g! F# ~; @2 T
(2) while <condition> loop/ B m8 J- r# n# M" i+ z, _) k* z6 ^
<statement sequence1>;/ o! F) E! ~$ R, [2 ]: X
end;3 z2 H0 g# k$ } F6 E, n9 W
(3) repeat ) a6 K3 B! ?) b/ z0 d! V3 r) k
<statement sequence1>;4 F+ I3 E% p2 V
until <condition>;& e4 O9 E, S7 a7 h d
(4) for <condition> to <condition> loop
( J% R C9 k: K' F/ V+ U$ Y <statement sequence1>;7 b" A( J3 i4 ?' d) Z! @8 X" p
next;
: n/ Y6 N8 H) Z- D+ x3中断语句
3 w3 O t B$ \4 f% M8 [0 o; T waituntil <condition> prio <integer expression>;
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* ], K" V4 T" O' F3 M2 v0 n以上为常用的函数！3 R+ [4 o- r5 }8 F/ Q
还有很多，如有需要我把资料发到你邮箱里
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