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发表于 2012-11-13 08:48:12
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1判断语句0 ^! Y$ R2 m8 w7 z4 e
if <condition> then
6 y' h" r( [8 W# Q <statement sequence1>;
7 ?( a3 D9 l. Y) N3 b+ @ elseif <condition> then8 d0 h- {* s, {% W; s2 Q1 h! y$ y
<statement sequence2>;
+ D" I0 p! \& i; J8 N else 8 ]( V2 m' w8 f! a8 K. p1 [7 l
<statement sequence3>;* T( Q8 g1 r/ E2 L- g; ?
end;# ^- N" Q. [) S$ ]3 r n. N4 p6 ~
如果分支比较多，用：
& b2 Z( C) W; I& p3 M inspect <expression>& h$ L. v& w0 D! a% t2 J3 d6 o
when <constant_list> then
* }* ]! y; r4 l+ x j+ q <statement sequence1>;/ d! Q! t* }( n8 O, ]: R3 \
when <constant_list> then
5 A: k7 d8 Q5 F h5 Y <statement sequence2>;( u+ b& {9 S3 N/ R3 e ^8 m
...% v! X5 s; z/ k/ [8 e) x% S) r. F( {
else
7 ^$ u# ?: J! `0 S4 v <statement sequence3>;
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0 `+ ^0 t/ c# g$ i& L6 ]2循环语句8 Z: Q$ ?, k$ L$ [ Z
(1) from <statement sequence1>- u+ C2 T$ N6 d
until <condition> loop: V$ F; q% m0 L- B9 C
<statement sequence2>;
! y3 I0 v& o6 R end;
4 d3 x0 R9 x4 b' S" ~1 d7 J* T2 T (2) while <condition> loop7 a; i. x' z4 n0 K
<statement sequence1>;
; w4 v- L$ B. v+ z g end;, ~9 B+ H7 ^9 J8 _
(3) repeat
5 I$ @1 A d4 }/ v- z/ H <statement sequence1>;" g; O4 {' H" r. o$ i% f* D3 n4 L
until <condition>;5 h: v, T9 h P/ h O2 X
(4) for <condition> to <condition> loop
. u0 z$ @4 s$ ]8 B <statement sequence1>;2 s( [4 l" H* A% ^8 N
next;$ e, C, q" q3 R
3中断语句1 P+ O! C% w" }5 V5 T5 a4 ?1 D/ U
waituntil <condition> prio <integer expression>;
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6 R% T; l& f, x# y7 f, n: b1 k0 M) r+ J8 H) h, a/ `4 j
以上为常用的函数！
4 O6 w4 T7 V1 W! [+ j0 s还有很多，如有需要我把资料发到你邮箱里 7 v! ~& [. e1 s2 i
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