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发表于 2012-11-13 08:48:12
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1判断语句) Y( y7 H8 n# }5 S) ?. g( k
if <condition> then
, _$ g' F& F- Z# x6 Q( q <statement sequence1>;8 j) V$ D5 a; P# s" C
elseif <condition> then
2 J, a4 ^( R L9 S <statement sequence2>;
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<statement sequence3>;
- e2 R4 S/ v: C; _ W! Y0 t end;
1 V4 \4 ~ L7 k6 N1 y如果分支比较多，用：- [ U! k! x- G, {$ q
inspect <expression>
( \% T" b+ o2 Y6 J0 F5 N' H when <constant_list> then
- v" b* J: x8 m# ?: f. t1 o <statement sequence1>;2 } {( N/ Z/ {
when <constant_list> then
2 n) ]+ P! ~8 b. A/ C/ E <statement sequence2>; g* B7 K: o0 s# B T
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else# ~- e# L& M, J/ g# c
<statement sequence3>;
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5 j8 J* I+ h& o) c" E9 C* c2循环语句
6 p2 H( h$ V5 D- K( E' ~ (1) from <statement sequence1>
?; O* m: [3 T8 ~- c/ w+ q until <condition> loop
+ ~" t" f, j* F <statement sequence2>;# v6 M" F/ U! T" ?, \; I- x
end;7 C1 p) T( B2 P; b p( ]9 @% t7 `
(2) while <condition> loop. }" F3 X0 \' d$ q
<statement sequence1>;
# V" k2 U) a. u end;
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<statement sequence1>;+ C9 f" g; v) P( D8 y. A4 C. i
until <condition>;9 F) ^& N3 \( |5 D8 a/ ?# O ?
(4) for <condition> to <condition> loop
2 Y0 v# S3 X7 W) O& Y: A0 G6 Q <statement sequence1>;( G4 m6 k1 D( @+ i9 r* F
next;5 R5 ^# |: \6 F3 c( H$ h5 r; L
3中断语句8 ]& a- [# C5 `$ w
waituntil <condition> prio <integer expression>;
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以上为常用的函数！! W* p- N) i; F: v# C
还有很多，如有需要我把资料发到你邮箱里 i! s, P" S' I$ U9 Z# O4 A
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