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发表于 2012-11-13 08:48:12
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1判断语句- h3 G/ M/ R) |; Z. o& ^/ |, x7 [4 N
if <condition> then' m* M; `) u# S
<statement sequence1>;- I( ?; @+ f: a4 F
elseif <condition> then
1 K( S& o3 k: i7 {3 D2 m <statement sequence2>;5 D: b' m/ D* F4 l7 u
else 1 \* h- H% C( B
<statement sequence3>;
0 g4 t' u+ S1 K) E# L+ h5 Q end;
( k) V( C& v% e X& S1 e如果分支比较多，用：* g6 N3 ^/ L5 D3 B
inspect <expression>1 c0 h; \9 q) k) W7 E! s/ N [
when <constant_list> then
6 r& U) V% u2 G# m0 L# Z+ B <statement sequence1>;& _! e/ `% x6 J2 J) r7 Y
when <constant_list> then6 n* `- I! T3 D g5 I! h3 M- p
<statement sequence2>;3 _3 c" P$ A$ w- u, H3 a* I- q
...
6 Q& F" O) a# k( v9 r else
& ]2 {& w, ^% l7 {; _ <statement sequence3>;, d1 g+ o" M) W* t3 F
end;
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2 v: K0 q, Y( b6 Z' [( ~2循环语句
3 A+ a: M/ `+ N t; c3 \ (1) from <statement sequence1>
7 K- z, ?. r+ Q0 E' E until <condition> loop0 B4 m0 Q- h3 F8 L6 _& V
<statement sequence2>;2 ~- j6 {2 e& T- J3 P& z: U
end;
" t* ~& _* P5 `. Y/ h1 h- K (2) while <condition> loop0 C7 w' G- u; i, Q
<statement sequence1>;' m2 K4 e! d' K$ S" c4 y
end;
% Q$ V6 P5 N/ E' X0 y7 o4 T (3) repeat p( o: j& o0 ?! H; O
<statement sequence1>;
' {4 N- B+ q7 `% |! Y until <condition>;' O) j" O4 W8 o& c) m7 C
(4) for <condition> to <condition> loop; d0 {' G* C9 d# w- \; Z y
<statement sequence1>;
' E+ e) B7 c5 S! j; N9 O- o next;3 Y: K9 [" Y+ V$ x4 D ?
3中断语句
$ y& d2 ^, v. l& G! N" z; p$ @ waituntil <condition> prio <integer expression>;
! \- b: M& G* z; b" U3 C- T3 P' y# @9 R; c
* v/ G7 o4 `* P9 i以上为常用的函数！
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