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发表于 2012-11-13 08:48:12
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1判断语句, D7 R* |. c! u4 y
if <condition> then
( o2 _+ d! B4 k" P5 Q, l <statement sequence1>;
& O9 E+ I/ s# S6 l/ M# } elseif <condition> then
& T! s! y0 E3 Y$ F2 s) u* A: ~- w <statement sequence2>;
+ ]" ]) ^, X) A5 u0 |2 A, V else " N6 |( R3 V1 R7 J6 p
<statement sequence3>;
9 v7 g* b) h) E- v end;
$ ^$ O0 M/ y3 @- Z如果分支比较多，用：+ R+ w# T& Q2 j; x! @. I
inspect <expression>% V/ l. W! w9 s3 a: Z
when <constant_list> then3 Q8 | g& k' j+ g5 o
<statement sequence1>;
' k4 S% g! E! n0 O* h) b when <constant_list> then7 Y4 r# [* ` k+ t
<statement sequence2>;
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else
" M( w# T! O8 r' y. H; @) o <statement sequence3>;8 V3 \* B* k* q# A
end;+ t# f& W: O4 F9 R
% I/ o+ o$ u8 ^+ W1 j7 b2循环语句) F5 a% b* P( k5 W$ Q$ j
(1) from <statement sequence1>* B7 A9 K: @) o& t% X6 p
until <condition> loop6 H! |9 N0 X% a8 m8 m# G
<statement sequence2>;0 _% D. @( o8 _- N; p! |8 e" C' [
end;8 a" ?, l5 t, D" N( R2 l
(2) while <condition> loop
3 s; G1 X5 u) g, I0 o <statement sequence1>;+ N- I3 C5 ^7 @/ `
end;
. r! U X* L: l* N (3) repeat
! N! g" Q$ u1 q ?) |, _8 D <statement sequence1>;
& P; D5 }+ t0 i& ?; ~ until <condition>;. u( H. ` h- S$ E
(4) for <condition> to <condition> loop2 s {2 g% T6 ]3 g# w6 ]2 x, d
<statement sequence1>;
( e8 g# u: D, S8 a7 K9 n6 t next;
- L4 O* w) {7 } a3中断语句
" t, [6 k6 a# Q# u8 N waituntil <condition> prio <integer expression>;
t. E/ B: \7 |- ~# H( _/ p, e6 K, x
0 M9 {: U2 J9 T/ {' p
以上为常用的函数！
; y* a0 D; N* `5 h$ x还有很多，如有需要我把资料发到你邮箱里
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