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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
3 Q5 \+ j- e+ L3 m if <condition> then
# V9 r$ t; S: X6 i$ F/ E <statement sequence1>;
# B* r ? |2 q$ ]. X' G$ V elseif <condition> then
+ M9 \/ u9 X4 F/ q1 T y5 ]" u <statement sequence2>;
. {0 `8 O8 A8 G9 `- I+ A else
3 G9 m. K% A$ ~' V <statement sequence3>;
4 h& p; O# A7 ~) H5 c: P; E end;
: o, q l& |0 R& C. o$ v1 c如果分支比较多，用：
+ P0 ]# A; g& d, I1 j0 n! c9 |. M inspect <expression>
* b8 q- o3 q g; r when <constant_list> then
0 R* r* L6 K, C2 p7 c4 D <statement sequence1>;+ p& c% \+ R6 A2 X1 l& t
when <constant_list> then
/ X2 l3 U4 V6 u# r& b <statement sequence2>;
) |# l# Y k# B2 h+ Q/ D ...
: t7 P; m. T% {+ Z* w4 T! u else
2 k n- O8 |& \! E* c5 \$ O1 l5 G <statement sequence3>;
4 k: C) v. l/ p: |end;
' h& \* Y! e" ?% U- p" k/ N" c8 {, `! E0 [1 _" z
2循环语句
1 L+ t5 p2 J6 H (1) from <statement sequence1>4 z ]8 q& A! G1 j/ r8 p8 @
until <condition> loop
& W) e8 c" O7 g& H! ]; J% j) W <statement sequence2>;1 i4 W9 c* \/ a! G
end;; n: u2 r. H% z( M& y' c8 w1 n
(2) while <condition> loop# ^) t9 W2 l5 ^! u$ B+ M
<statement sequence1>;
: a7 x' w6 o Q' Q" O) ? end;
! a2 ~8 D6 O; e" H' V (3) repeat ; L7 d2 x; ~" p0 |1 i
<statement sequence1>;
2 M5 s/ h$ [. {6 m( X7 L' g until <condition>;$ i+ \$ @& _( E6 e( f- L
(4) for <condition> to <condition> loop/ q% g) m/ `5 R" o$ F' W* T
<statement sequence1>;2 p$ t# E' ~$ s) b4 x2 b c8 A
next;0 r( r3 X3 d0 l
3中断语句
/ G& N5 R' Q9 [. X( L6 I0 E# k8 E waituntil <condition> prio <integer expression>;) i! S" d2 D' V+ ]% Y- W9 Y c
: x6 ^* f! @+ h, X
8 ?( @% q/ d4 m6 _) o6 H以上为常用的函数！6 L: o2 o: I/ s! E" B2 ~: l0 i
还有很多，如有需要我把资料发到你邮箱里
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