|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句5 h4 G O4 ]# Q- [- V9 `* S" R
if <condition> then
% v% S$ h" r# E( k% I L <statement sequence1>;* V2 Y$ ]5 T' Z+ Q
elseif <condition> then- Z% y7 n# `+ X! d, y0 Y
<statement sequence2>;
/ ^9 m$ E- S6 b/ H" l/ | else / ^3 B, Z* s- Q p8 K2 w
<statement sequence3>;
# C8 `- P3 x, a/ \9 o) y end;
7 Q. K% j D" D+ F4 Z; B( a" S如果分支比较多，用：
2 i+ O! r6 t% w; b inspect <expression>
& }1 M/ i% r6 j5 G4 N, J& d when <constant_list> then% i3 `4 ]4 W0 J! l
<statement sequence1>;
3 ~ U) c3 }1 P2 i# o when <constant_list> then4 X* Y$ h/ n3 A; Y% {% {# B
<statement sequence2>;% [/ a. X1 q) ]& G, m
...5 h" e7 x e4 D1 e6 j
else
4 K; a. Z1 D7 B+ S4 o* b) [. D5 a! S <statement sequence3>;
/ g. J. q6 k+ qend;8 \* s" ^5 V5 k8 ^
( e" W ]: q, ^2循环语句# n+ C6 ?9 p; l* q: y' C
(1) from <statement sequence1>: D3 H' D: b% G4 L2 A6 D9 t7 q
until <condition> loop$ d( ^: M/ }& w8 h- I8 m4 d1 C& `
<statement sequence2>;3 b7 I# S0 E# }$ Q* y
end;( J e8 c3 l _8 ?! B: h
(2) while <condition> loop9 ]. c% L4 F$ Q2 r8 m, r8 Z) P
<statement sequence1>;# M# n: p# ?" ]) u' y
end;# v: N! }" k! _
(3) repeat & r0 Y& N: O p3 @' c$ u6 {
<statement sequence1>;5 S" @" s# X' _* p
until <condition>;) N7 x- `/ y3 C! m4 }2 \
(4) for <condition> to <condition> loop! W- W7 K4 E2 r0 ^: |6 J% U+ K9 Y
<statement sequence1>;
5 V' o: Q% E( Q' \+ N: v) o0 {: i4 m3 G next;
! ~5 V) e5 b" V" L! O3中断语句
) r; h$ r0 c" {$ r& X waituntil <condition> prio <integer expression>;1 q, i8 R X' _4 S8 }9 j3 l
9 e4 k1 u; s' { r7 `, D2 U \; o
- @( t' h1 {- r9 t
以上为常用的函数！
9 `5 M' B: q$ _8 M2 i `# W) S还有很多，如有需要我把资料发到你邮箱里 ) l: O! v: a+ Z) i. p* { @
9 L$ `; q8 N6 o# {! F
6 ^, V8 i3 P% E8 i9 }
0 ?/ |) ?1 N- K3 i9 c 4 r5 _7 C6 ?7 F
7 J% K$ _; Y/ ]
9 V) o$ m& t) w" M2 u5 |
! @8 R" L+ P; I1 V7 t0 J& O- r
" M6 `/ ]0 O- `
/ G2 Q d/ _# D* i% } 1 |2 d8 A$ G* n% i" q
|
|
[复制链接]
