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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
2 k& i- c! N! x2 c j7 y! W. M if <condition> then8 k0 L9 ^$ n0 G4 h: o) [ D
<statement sequence1>;
7 p- d8 ]6 I: I$ | elseif <condition> then" f7 R8 R2 d0 p2 s# G
<statement sequence2>;8 O9 j, U0 h6 i7 k9 t% q, j
else
6 t* }7 j8 q$ u, D# k) }" K <statement sequence3>;2 @" Z8 Q& K/ ^. [
end;
0 ]* X* G5 F0 }) @. z如果分支比较多，用：
' [% g: P1 W1 `% G% N inspect <expression>! u! K6 X+ Q* s" M$ j \; K, Q7 Y9 H6 D
when <constant_list> then) d0 O1 a7 @! Y, Y* [' A! b
<statement sequence1>;
; F& A& [1 c; u when <constant_list> then
4 X8 }' @4 `$ E* t6 r- S <statement sequence2>;
" N( l. P) T+ l" R/ t5 I0 u2 h; D8 | ...
' p L9 A4 g" @1 E else" W J' F0 B. `! m2 B
<statement sequence3>;1 P" v; U% d& g2 f8 j
end;7 { K$ I9 }5 Z4 e0 c% E6 _
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2循环语句
! {) i; _* K) I! F5 x- [' q (1) from <statement sequence1>
# K7 b! x$ `9 ~( V+ t0 I: v until <condition> loop
3 `- } {* a, [; o% Z" f& {; J <statement sequence2>;" R% n5 T3 i G; b. c0 i, u2 j
end;
2 \# H P" K, P( R (2) while <condition> loop( h% T- k9 U7 o6 \* v
<statement sequence1>;5 [1 v$ O/ ?: s& h' p( Y, l5 `
end;* ?# G3 z* z4 L* L3 @
(3) repeat
; Q- n9 R& q4 C6 X) P. ] <statement sequence1>;
) D# e' {5 W( C- k until <condition>;
. {$ U1 L7 h W8 d$ B' X) u$ y (4) for <condition> to <condition> loop
0 v- V1 V6 C1 x) Y$ Y <statement sequence1>;2 {+ Z N$ [4 v7 w8 y4 Z
next;
8 s4 y% R7 R; j3中断语句
" h2 |* ~4 T3 z waituntil <condition> prio <integer expression>;. Y+ J7 H/ c$ ~$ C: [; Y
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6 f+ x5 w W4 K+ R' u以上为常用的函数！+ V% ]0 {6 s/ } [
还有很多，如有需要我把资料发到你邮箱里
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