|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
* x; s7 F, f. x+ S! t if <condition> then9 v/ e7 w+ e" u2 a8 C$ V
<statement sequence1>;( a8 F$ ?2 Z5 a, g4 C! m
elseif <condition> then8 z" ~# m& G% F3 T
<statement sequence2>;
+ k1 q: A/ x8 |$ b3 N1 i+ } else 2 s" P. ^/ l* h$ s- E$ f. r
<statement sequence3>;
7 l4 v }9 ]9 f end;
4 }. p4 I: Y4 I3 d) }如果分支比较多，用：
3 a9 U/ r) J2 L$ d$ a0 ^% G: C inspect <expression>
- o" v. ` H# p! k8 c when <constant_list> then# \% l8 ~- _+ f, u: |+ s
<statement sequence1>;' g1 Q4 E9 E# ^
when <constant_list> then% {$ }& i4 d" ]: {% s. Q
<statement sequence2>;
; v' u; q3 `" R' U! @ ...
+ w. M L- N8 e, O" _+ M else
' H t$ a2 C: b- i& B <statement sequence3>;
2 I0 L' u$ V, m: P, send;5 l, H' Z: }" l# M
( b+ B( L& R# Q* a2循环语句
Y- _) P) S# p: a6 l2 \. q (1) from <statement sequence1>
9 Y" ?8 ^1 u, Z$ N+ ^ until <condition> loop
+ `8 Q$ B. \7 l/ w1 Q2 [ <statement sequence2>;
5 U3 K9 `" h' E end;: X* A5 z$ s4 T4 J
(2) while <condition> loop
; ?( C X( p% I <statement sequence1>;
% Q8 F& b4 ^" n! b9 T6 a end;
9 I, n# Q0 c! k7 ^ (3) repeat & v# [6 P2 c }; N& w5 L; t' u
<statement sequence1>;
2 |- H' C& X3 F4 X until <condition>;8 D% d% \" ?) q) n/ G/ t( T1 O
(4) for <condition> to <condition> loop
0 d5 r' V: ^- [, q$ ] <statement sequence1>;0 [+ H# c: ?. h/ L
next;
, n6 n. _: [7 ~$ J6 j* H# |) i+ J3中断语句) n% o; G/ i ^ }! f
waituntil <condition> prio <integer expression>;
' h+ T, O N1 M ]; A' C* C/ ]9 y3 i2 I* @8 e3 N% U+ g: p9 m3 L
$ j- s4 k; d% T) ^7 }/ u
以上为常用的函数！
# U8 v; q- O6 L" M6 G还有很多，如有需要我把资料发到你邮箱里 . ]4 _7 W% D1 F; E3 i
+ J+ x3 T$ l( h; U) i2 V1 l1 ]3 E0 w2 H8 T7 f, E# ~7 r7 s- x( C* o
6 V( Z6 i9 G% {7 y' _
8 L$ R5 D- Q$ q1 V6 l' C% _6 V6 J! Q+ m7 N1 V+ ]3 Y
4 |5 Y' D2 g' \' s0 b& s) u( A! M; o8 q" @9 n5 K8 E8 |/ g7 f* f
' a. s0 t0 p0 O, |: a1 \+ C
8 ]/ q6 R3 b6 G
7 G/ Q6 H. ]: I! v0 _; b/ u' \ |
|
[复制链接]
