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发表于 2012-11-13 08:48:12
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1判断语句
: v& b) ~; V' B( g }! Q! k8 w if <condition> then
* R' U2 T8 h" N <statement sequence1>;! B q% f) R: k9 Z
elseif <condition> then
" l1 @2 o, z- b <statement sequence2>;1 g- b* w' _% E+ Y3 m
else
g. [0 E' d$ G k$ f <statement sequence3>;* K/ C+ J) P0 g% F' _( Z/ l8 t U7 @6 Z
end;
: I3 M4 u: u0 p- u如果分支比较多，用：, ]( _% X! k7 y3 X1 u9 o( Z& _
inspect <expression>
" O- |" \ F7 R& ^2 z$ X5 Y" b# B" ~* @ when <constant_list> then
* K% v8 y2 @& _1 X+ Q5 g <statement sequence1>;
9 V1 a" a1 u9 S' p# x2 c when <constant_list> then' B# Y: ^. e6 B5 X/ N7 ^2 R
<statement sequence2>;! e, d( F8 [1 `3 Y2 A2 v4 p
...
! c: d) M, I" j" ^0 X" {; J, A4 h else! i7 m! C7 q$ h1 |
<statement sequence3>;
( i8 \# N$ m( i8 Z* J- K1 a, j& |end;
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2循环语句% p# n9 m s7 U1 S; U7 s/ b# o" O
(1) from <statement sequence1>
; k: a4 d, I ` until <condition> loop3 u/ K4 y0 K0 O1 P& n# }
<statement sequence2>;
1 O: \# ]6 p; K: H, R8 \7 @ end;' O. k" H8 ]$ A
(2) while <condition> loop
8 f: m+ M# v$ S4 \" u3 J* } <statement sequence1>;
3 K: t% h+ ^! Z4 i4 e5 {; j end;
. }. h7 C2 E- \$ ?* Q, X (3) repeat 7 K N# S: o, ], W
<statement sequence1>;9 }0 t! h, p( V; F& G' z4 G
until <condition>;
6 |+ c: `! C$ e8 X' G( H9 ~ (4) for <condition> to <condition> loop
& p @ W2 m- Y( q& q, @ <statement sequence1>;1 L7 P1 E- A u) g
next;9 m" Q8 |* q8 P0 n/ z: I: r
3中断语句
9 j. p" L; p" Q. r: u8 k) p6 e waituntil <condition> prio <integer expression>;5 q; M2 {- U2 y; E
1 E( m1 h/ K* R8 C- m6 i8 m
_" L! h) I4 w8 }4 O以上为常用的函数！* Q+ ?9 Q4 z0 ?( O
还有很多，如有需要我把资料发到你邮箱里 * x; J/ {- W& x$ c
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