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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
, \6 F N9 A/ m' O! b6 O# ?7 c if <condition> then4 V9 b8 Z& S. Q- u0 ~
<statement sequence1>;
" |8 c: x+ }7 t7 v7 W9 G elseif <condition> then2 F1 W( x3 A8 b* Z$ W9 ?2 y
<statement sequence2>;
; J( J( J' T8 r% P3 H1 x/ _0 J else
7 K: S% {( T2 c( b Q <statement sequence3>;+ s+ |5 B5 r5 u- H% U
end;
+ s" E1 \( U' g5 @$ o: l) v: h如果分支比较多，用：2 U0 {4 K$ _. _
inspect <expression>
8 Z% L( J* T# n0 O) U; h' u& s when <constant_list> then) t5 Y: w) k* T; g' `9 O5 |* r
<statement sequence1>;7 [" L/ Q% [, [& B0 G1 Z
when <constant_list> then
+ D* n- ^; }3 }0 n. F! o9 ? <statement sequence2>;
; h8 B1 B0 j" u4 ] ...
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<statement sequence3>;
: B9 B8 [1 U1 F* fend;4 Z$ D9 \2 H9 L2 Z) i
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2循环语句
" k7 C* G. r9 ]% C+ F) G (1) from <statement sequence1>3 U# k0 \" m. H8 j" V3 v z
until <condition> loop
% r) I9 g" @% H <statement sequence2>;0 ~% ]: M3 e0 N9 y: p+ W
end;* f/ H9 W( ]% \4 U5 n
(2) while <condition> loop
2 `( B8 a8 b3 L$ }: ^7 E+ } <statement sequence1>;
! Z. W1 J9 e3 v" S5 |: s end;
4 j2 d9 p4 h4 _! r (3) repeat " Q6 `4 r: s3 j- S* m8 Y& z
<statement sequence1>;
3 O- z' R1 H, p; C until <condition>;+ H. M+ G2 Y Y ?2 ^# k3 l' B' e
(4) for <condition> to <condition> loop* Z3 B$ o: E. B1 P0 s3 t I$ m. R
<statement sequence1>;
d, w# e) s: x& e/ x7 I next;
+ R" C& y# I0 Z- @3 T1 g2 L, Q4 [3中断语句
) @; A* p. L- u/ J$ f waituntil <condition> prio <integer expression>;: W/ w/ j4 |" g& Z
& j( q1 N6 ?/ U0 X6 Y3 Z
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以上为常用的函数！
' F. `: h3 P' F7 n% e$ z/ _还有很多，如有需要我把资料发到你邮箱里 6 o( s7 [) u0 C
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