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发表于 2012-11-13 08:48:12
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1判断语句% P1 X L5 g; q9 D
if <condition> then! ~- {6 k* S/ y
<statement sequence1>;
U- Z. E7 ~7 G% ? elseif <condition> then4 r! K: |& M9 q, Z0 s
<statement sequence2>;
+ q- y0 h- r. [# _2 G/ ~7 Y5 @ else 3 t( {( W. L/ x, L- ?* C2 X
<statement sequence3>;: o+ L9 K+ Q2 _4 \1 w \
end;9 G2 {7 _$ L$ ^: S" U5 q+ `( R& \
如果分支比较多，用：, p6 h6 I) V3 l* _5 m" g# N7 I! i
inspect <expression>
) u! s L: O7 E1 i! R, b when <constant_list> then
9 x; l! F' c2 o3 @3 f) w: v <statement sequence1>;
2 x) q7 q/ \9 y' h. g when <constant_list> then
; ]6 m- T# f: h <statement sequence2>;! _8 L! \8 f# x) p
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else: L/ A; L {5 @4 |9 y
<statement sequence3>;
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" e; u1 ~; G! A/ D/ B+ u3 m2循环语句
6 D! ~9 s/ `' Z0 G7 { (1) from <statement sequence1>
! }* h0 d/ y. p, n. O until <condition> loop
! E6 D) n) l. i! J: I b <statement sequence2>;- p" N/ |5 i8 ?: i* ^- o; y; k
end;. z4 N/ L/ b* {
(2) while <condition> loop
9 a& M6 w+ J. y7 `$ S <statement sequence1>;
) J9 t3 e$ ]) A8 ^! ` end;
3 {* d$ W1 M8 n2 b (3) repeat % X8 g* F5 j8 I
<statement sequence1>;
, x- H* ~. h9 A) O7 ?9 Y until <condition>;
* [2 ]3 i' C! M (4) for <condition> to <condition> loop
4 I8 b, H! W- C! c( f" ]' [5 H6 b0 o <statement sequence1>;
, `# o$ A3 }& |2 N next;
" E! G' a. k% }3中断语句' l* T+ q" p- Y" `
waituntil <condition> prio <integer expression>;
/ Z) r! L( {" q3 e ]% X# S- _7 z5 ^# [3 ?6 p2 r- Y
7 V7 e- I# b) ^3 _% i以上为常用的函数！8 \, Y% S A& z( x
还有很多，如有需要我把资料发到你邮箱里
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