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发表于 2012-11-13 08:48:12
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1判断语句
) K( ?% P2 l4 V+ c if <condition> then
9 H! q& h/ }9 x9 M% m <statement sequence1>;
; d2 A9 G/ k0 s9 q7 m( [5 g& f0 k elseif <condition> then
; L+ z; f) S, c" f3 r6 c/ w5 ?2 x <statement sequence2>;
2 {# S7 h1 G( k else
9 c9 ^+ E" w) f3 s <statement sequence3>;6 d* k" r1 ^% F
end;6 w1 M/ H- l( Q. T$ ]
如果分支比较多，用：
_2 H3 a' X0 e/ {% a$ D0 O* x inspect <expression>
# q( z" K/ d, [$ T9 C, r; v when <constant_list> then
% ]7 G4 i( l, ?) R% F# K <statement sequence1>;
6 C! F: ^) E2 c( i. l P when <constant_list> then. C9 {$ W" p+ v1 U- R& o. E
<statement sequence2>;
/ S/ n) H6 n( V; |* x) W- g ...* I& G3 N5 w' z! Z! n" s& G# U
else
, m7 x8 N/ [+ O c" \, B* h7 B$ I/ C <statement sequence3>;
) v" v" W1 p: p2 k6 |( I Iend;
4 r, k" |- [/ _5 g" h
. J& e! F8 E- r0 s1 i! N2循环语句- D4 X9 S" O4 J" j
(1) from <statement sequence1>
! S! H- l& L/ D) y- |1 @ until <condition> loop
. v* z1 w8 ^0 e/ E7 G& Q( c- N <statement sequence2>;
5 n9 b, S! I9 |/ B3 w# `1 y+ a+ D end;
$ t4 k# X" }, i2 B) n- C. J. c (2) while <condition> loop+ A9 @/ j8 Z/ d# l7 P
<statement sequence1>;
' ^8 Q. M* z% x end;
" U9 q4 T# }: k: b& [. w; H (3) repeat
" F H6 j0 ^7 Z- U4 n U <statement sequence1>;" }$ ~* w3 ]8 W% }" o0 ]3 b
until <condition>;0 {- \7 J, M0 N* `7 ]* s6 @( |
(4) for <condition> to <condition> loop
9 r0 Q. k7 ?/ L( n <statement sequence1>;
' H0 ~% `+ H4 Z+ w9 w) n9 v next;, `7 f1 |4 a1 c/ k8 V/ T
3中断语句
6 L9 u% r8 a ] M! v( Q# G* m waituntil <condition> prio <integer expression>;
3 ^: E$ H+ l% \# v8 {0 d
9 `" w( j3 Z' p* |4 u. `5 v0 N/ }3 s6 r3 L( j' c
以上为常用的函数！$ h& d8 G* o# m' U0 s7 U8 C( _7 B$ w# h
还有很多，如有需要我把资料发到你邮箱里 0 l( E% t) O' V( |, w* y5 [
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