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发表于 2012-11-13 08:48:12
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1判断语句
$ q, j' K' B) n5 u' A2 R' w" v7 A if <condition> then
' ^% I; E" M* ]/ w8 p' B" n! q0 \ <statement sequence1>;$ @; S2 Y7 G, q A3 U. Z- c9 l
elseif <condition> then
5 P; k* t' D0 v+ F# |0 u <statement sequence2>;' k4 V0 x/ o+ O$ H; n- s
else
/ C$ H$ d. {* u) [ <statement sequence3>;9 i, n, w2 }9 t
end;+ O3 h- `0 \& k" h% {9 |
如果分支比较多，用：
5 D* F: @2 v5 d; s inspect <expression>8 O: U8 T8 N+ u+ }
when <constant_list> then
* \" T* E) ~" X# L- R <statement sequence1>;
f2 _; ~# [- X1 i* P& X( s% q when <constant_list> then W1 k. z, w' z" W( f
<statement sequence2>;
; K+ _; t# F; |1 ~ ...
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<statement sequence3>;: l0 T9 E0 o! z) Y: I
end;
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, G! m* K. \) f2循环语句
" c" w' K' ]; _" w+ A$ J0 G" J (1) from <statement sequence1>
, ^+ t3 Y4 D8 K until <condition> loop
: U+ l. m* \/ m, q/ n <statement sequence2>;: b# A. A3 {, ^0 q
end;
4 J3 J1 P) k3 Q5 }& P (2) while <condition> loop& v5 Q" P6 S4 `) v% D; d/ d
<statement sequence1>;, G5 h# ^& O$ [' z+ F/ [3 o
end;8 z1 \' p3 k. T
(3) repeat
" V/ L# [$ @; K <statement sequence1>;: b$ f- R1 W# R+ |+ J4 v, j$ n+ i4 X6 e
until <condition>; g# @3 F) c% s' T, C& C' ?% j* W, i
(4) for <condition> to <condition> loop
- L1 z7 D7 S: n: w# j- w <statement sequence1>;' I8 J$ X; J* T) U& r" M
next;
5 E/ }1 ?8 |3 B' ?9 i# ~3中断语句
* _& }" X/ f& W8 J waituntil <condition> prio <integer expression>;
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, k8 t% n; ^, U3 {
以上为常用的函数！
- S6 i1 p* N5 c l7 W; J: _还有很多，如有需要我把资料发到你邮箱里 6 Q# s) M! {$ }3 i
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