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发表于 2012-11-13 08:48:12
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1判断语句. b# e0 `2 n2 r4 O: ]8 k
if <condition> then; h2 ~9 q/ L; e" C" E4 O- z
<statement sequence1>;
0 @. I- X* } t/ G5 \ elseif <condition> then8 E) |, n, W) c4 Y9 F
<statement sequence2>;
, w7 X# H3 p! M else . |* y, r( w. L- {+ `/ x6 V- u+ O
<statement sequence3>;0 V( l, O8 q. R# J6 q- @
end;' h2 \1 o a. R& J/ X
如果分支比较多，用：
7 U7 a" z% u; r9 H9 J inspect <expression>
% g7 h* {2 \8 p1 l4 D when <constant_list> then
- `( L' V) W$ U6 i <statement sequence1>;1 r; R: ^: W9 O, x
when <constant_list> then
4 _) o7 p C7 k" A <statement sequence2>;
' d6 }, O7 n3 q7 ?1 E( ~ ...
# P- b# o/ [ J/ u; v0 I+ U else. n' f7 c8 y! ]! I# @* g: A: |
<statement sequence3>;
O4 P, g3 V5 J" B0 L# ^end;
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$ F, Q, m) |$ _' U4 x1 r$ V2循环语句
- C( g- H! x. a3 U, E (1) from <statement sequence1>6 q& C g3 s3 S9 L; ~. v7 H
until <condition> loop" h0 [) ?( j2 O5 ?/ l
<statement sequence2>;1 V B9 u i2 A5 J- U, \, N/ E$ O
end;9 E/ D3 \# v a+ `$ F
(2) while <condition> loop
& h: K' V& }# \+ T <statement sequence1>;0 o9 e5 m6 N0 G1 \% V! Z/ y
end;
^" V, Z# D5 K5 Z (3) repeat t0 ]* v7 i5 B& {4 x+ h! s
<statement sequence1>;- a& `7 y5 G% C2 L* x# s- C2 y
until <condition>;! k6 Y5 m& }/ G. I& J7 S
(4) for <condition> to <condition> loop; Z, l/ J5 c! T$ H/ S1 K$ t* p
<statement sequence1>;1 ~ L7 c ] i8 H8 r
next;: @& b; i4 |# | t' a: z# y
3中断语句, r; @# {# f2 Z0 J, h
waituntil <condition> prio <integer expression>;
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9 J' b9 h- j! `' ?, H& V
' U! n7 l ~3 ?4 k z以上为常用的函数！
" I4 _3 Z; D. ]! P还有很多，如有需要我把资料发到你邮箱里
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