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发表于 2012-11-13 08:48:12
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1判断语句
; s2 n+ w2 G9 n/ x if <condition> then2 `8 \# v- |8 c9 C
<statement sequence1>;
# O0 h- w& e$ o) `$ U6 C2 | elseif <condition> then
" K2 O' M7 N; q+ Z* }" B/ N" U/ o5 e <statement sequence2>;
( q4 m! u6 C2 G else - n7 {+ `9 A3 U6 ^
<statement sequence3>;
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如果分支比较多，用：( y1 e8 [. Z! S7 h- Z/ b- F
inspect <expression>9 L" S, x( u) V: V
when <constant_list> then; T9 A1 Y0 e' }6 X1 s; H
<statement sequence1>;
6 s5 G* a4 U8 N0 }* J) V when <constant_list> then
2 G% B& {( ~2 s4 N4 A <statement sequence2>;/ N% z# ^8 A9 _
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else0 H- V. M! Q, i4 ^3 O% w
<statement sequence3>;
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2循环语句
* ~) f' m! j, M! ?( z9 N (1) from <statement sequence1>
: `8 j3 ?" H0 b: o# j8 W1 q until <condition> loop# `% `( s2 A3 p6 Z# d
<statement sequence2>;% q" P7 [3 c; p* l: \" |
end;
1 ~. P3 ~* U: S& C; R (2) while <condition> loop
. d$ K# {* T a; _7 {, e <statement sequence1>;3 b0 G6 i# P. T& J- ^
end;
- a8 \( }8 |6 ` (3) repeat # M* H9 Y3 i6 n" [0 k; b
<statement sequence1>;
! Z7 D+ i. A3 k3 }% h2 o# l until <condition>;
! T7 m, w+ N6 W" i2 ] (4) for <condition> to <condition> loop& O, w) V2 A, m4 G; f* _
<statement sequence1>;8 E( z3 o, Z- ~& Z
next;
" y- p! [& A' I& y) ]3中断语句. ~/ M2 E. E C
waituntil <condition> prio <integer expression>;
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$ M; }& z! K* O2 ^2 B6 X9 s6 c9 E以上为常用的函数！. T" Z- V7 ^6 ~5 p+ b$ r
还有很多，如有需要我把资料发到你邮箱里 % n8 {8 v4 s/ b" v$ i
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