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发表于 2012-11-13 08:48:12
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1判断语句 f5 S" {( b4 S% W
if <condition> then0 `# `3 S2 x5 T& x& `9 ?! n
<statement sequence1>;
6 c' H) q6 w2 P7 m elseif <condition> then
0 e. W2 H' j0 T <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：# R) D2 z U3 g( n
inspect <expression>0 r! h0 P B" Q9 [ T! b2 ^6 z
when <constant_list> then& F1 U- A6 l, l+ t
<statement sequence1>;
! n, q/ E% _6 U! L! H8 X9 d% {( ` when <constant_list> then
1 d2 |- i0 j) Q& x, X7 x3 F <statement sequence2>;: q; q. K; n0 g$ M6 E
...
; T: ^7 B- @5 ~( L8 {. Q else
# K& J2 M2 N' p <statement sequence3>;* P, {! |' n3 q
end;
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2循环语句
- i* v; m' U- Q0 R; m Q (1) from <statement sequence1>- i$ d. n6 D; A" u8 W+ K0 h
until <condition> loop( z2 d* e8 G0 ]8 V
<statement sequence2>;, p5 f' u7 ^2 g8 d& F. x
end;
0 g1 u, {9 [) ?" _. H (2) while <condition> loop x& z# U. a9 f0 R$ h5 M$ V- s
<statement sequence1>;8 O/ H6 z1 |- R6 O. H
end;
: q4 p0 L$ U) J0 M (3) repeat $ u/ J5 n; S3 S. W6 l% f. J
<statement sequence1>;1 O _$ |$ ^5 D: @5 w% U
until <condition>;
% u" Z: q, D( {2 K (4) for <condition> to <condition> loop
& d2 [' T' g- d1 Z0 h. W0 U' P <statement sequence1>;' A2 K" B, v H3 x- @5 ^( C+ D
next;9 _+ C$ [* F$ Z9 n3 D# R' t
3中断语句) u" H3 a/ C; N, T+ d) U
waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 o9 `5 C! N7 n: d5 v) V1 t$ r$ b
还有很多，如有需要我把资料发到你邮箱里
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