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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
! ?; p) P( W. O5 A! h if <condition> then" m, N* a, x5 `- S2 w6 k
<statement sequence1>;2 Q( K! B" a- Q u j/ x
elseif <condition> then
0 {' a0 c+ m# x <statement sequence2>;! J& k( M" O1 g! M! s
else 6 G7 ~+ t( I% W- Y ~
<statement sequence3>;, f8 m) w1 O1 H; ?
end;8 y+ B8 x* B* n8 J+ d( h# i; F( Y
如果分支比较多，用：3 e( K0 _6 u I) ?& `
inspect <expression>
' f$ q/ I4 q0 m" [; @0 ` T* J+ t$ n when <constant_list> then
% N( k s( X# a8 j+ h <statement sequence1>;* u9 P1 A- \* c6 G8 a' D! u
when <constant_list> then+ |1 B2 @( A. g- V" a5 H, q
<statement sequence2>;
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else% b7 ]) D0 W& K- @
<statement sequence3>;
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2循环语句
6 ]# [; e. m4 ~1 H5 p. S (1) from <statement sequence1>/ ^0 X( ^ a" w5 J9 A
until <condition> loop
5 q$ A: O) B( e <statement sequence2>;
% w" p7 q& x' E8 u7 f5 r" q' [9 B end;
' C4 }+ w* |5 O4 e1 t: z( z: B (2) while <condition> loop6 \3 ^" L/ n. j) W0 D$ s2 ]- ?- e& ~4 K
<statement sequence1>;
0 t( R2 s2 a3 e+ D7 U" S7 G3 T' M end;' x$ n5 K, V" _* t
(3) repeat
6 d6 K+ u( P+ |3 R" ]% W6 @ <statement sequence1>;" E4 j' i9 `6 B/ i0 f/ R0 B/ N) N# t, ^
until <condition>;
8 _. i: L! w# D! h! w2 e (4) for <condition> to <condition> loop" l' H1 S3 P+ @; n, S X, L
<statement sequence1>;
8 O Y/ N5 P* n: l: g5 @ next;
; T+ m3 {3 W4 `% V- [4 L3中断语句
, r( Q5 I1 t H, O0 a* T/ H waituntil <condition> prio <integer expression>;
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+ F: J+ w; Y9 A0 ?1 q$ H) B以上为常用的函数！% q$ J. i: q8 F# l' J" x3 y
还有很多，如有需要我把资料发到你邮箱里
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