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发表于 2012-11-13 08:48:12
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1判断语句7 p6 D' g2 i! N# c2 F3 ], q# h* ?
if <condition> then
# s8 H Z7 z! }. C <statement sequence1>;
' k I6 [' z: F9 O- U+ W7 n elseif <condition> then/ e! K( z( K# t& x4 ~% b
<statement sequence2>;$ g1 R4 M1 R3 ?: t' ?
else
5 Q, H8 s2 S! _6 A. P3 ~% j* Z <statement sequence3>;9 \& m8 D7 V6 ~5 d; a8 l
end;
; O Z) Y/ O4 k: |如果分支比较多，用：- M* D9 g' B0 U1 Y
inspect <expression>
6 ]; ^# K3 o0 L0 x/ ]) ~ when <constant_list> then
9 ?9 v3 C; e# [: ^' K) B <statement sequence1>;( R* R6 `- {8 r: V9 G4 b
when <constant_list> then
3 f' n2 z) q0 `. h8 O <statement sequence2>;
0 D% {' L2 A2 z# j2 Q9 O ...
* n7 g0 I4 j7 t$ L6 u! Y else
, P* r x; E* p, M: C <statement sequence3>;
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2循环语句! E. _2 _& e; l7 q3 M& X
(1) from <statement sequence1>
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<statement sequence2>;! p- y2 B0 q8 D
end;, L! L/ u, W$ V& T8 ^0 i5 Q& p
(2) while <condition> loop
9 s0 ]$ K9 {2 a( P5 ?$ T1 `* Y <statement sequence1>;
& e* O1 Z, B0 y5 v" S0 O0 N/ ` end;
0 w, `9 H( N! E8 t+ S" ~0 _: ` (3) repeat ; B% b" K4 ^5 H
<statement sequence1>;
9 a+ r. \* y6 x1 w5 \, X until <condition>;
4 z$ ]) A' r, a. P (4) for <condition> to <condition> loop2 h& Q2 d2 S% p/ d: t0 y* T
<statement sequence1>;
% j. G/ o2 R: K! G7 E. I O next;
5 A# J3 D) ~! c. }7 o7 z3中断语句
$ f1 R6 V, I; Y3 J waituntil <condition> prio <integer expression>;
/ s4 x! S- [9 ?' O% H9 ~
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" Y% W6 a6 U+ D$ G0 `7 s以上为常用的函数！
& p' x E& n: o0 J! t4 ^9 @还有很多，如有需要我把资料发到你邮箱里
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