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发表于 2012-11-13 08:48:12
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1判断语句
2 _# P3 N, b: E" X9 {( ^ if <condition> then
8 l9 V, b+ u- t* Q# V8 @9 d <statement sequence1>;
6 J& p$ V- T2 l- _" i elseif <condition> then
3 b) e4 Y5 B/ H: U N$ A7 b <statement sequence2>;1 l k5 o+ f4 P5 M
else
, A5 f8 L% L: R$ N; W) k2 p <statement sequence3>;
: f' L# j0 v+ m( l0 E, H: B0 T end;
! U5 d7 c" ~* L) L* X5 k2 h如果分支比较多，用：
0 O8 d& Q$ O& P2 ?" e- S7 a inspect <expression>
' F9 |, |- j+ p( Y& ?8 z- ] when <constant_list> then
3 ]+ n' {: h8 _# `* l$ P <statement sequence1>;' E9 x! N. |! N( b& T3 U
when <constant_list> then
# _3 z0 G, [6 D) i7 |7 w3 F7 s" b$ Y <statement sequence2>;! u: t7 @: l0 R, G
...
4 q, l: W. E1 x8 S else
& F8 _4 k6 O* o( a# p. m- O& M5 d <statement sequence3>;
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; F4 ~! [+ s; f4 L7 j! k! S# U2循环语句
0 D7 _- G" j, `; X- ` (1) from <statement sequence1>
a. z- B$ |) K1 x6 P* s& A until <condition> loop
# H4 o8 f+ o5 C- a9 L <statement sequence2>;
* c5 w" ~+ X- N6 G7 o( F8 a7 J end;3 a# |0 h/ p3 x% u
(2) while <condition> loop/ \6 g+ L+ ?+ G. L) o ^
<statement sequence1>;6 z, S3 `' R+ y
end;
" ?# K! l+ V* c" T/ ] (3) repeat 4 D& R1 i2 W& l# Y3 X, a K
<statement sequence1>;
' P% \- U' l& R9 t; T until <condition>;
: _$ x# z q7 ^$ B+ W6 ^ J1 j (4) for <condition> to <condition> loop
3 }! {3 C: R6 v) |3 `. z# N <statement sequence1>;
% v( ]7 W5 U4 L ` next;" V: y" O+ }6 P$ r
3中断语句# d9 E) Z V5 ~& T
waituntil <condition> prio <integer expression>;6 H1 u4 {) Q2 s9 H; U4 R; a/ M
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& x# C; R! M" J
以上为常用的函数！% B0 i: m8 U5 c4 i3 f
还有很多，如有需要我把资料发到你邮箱里
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