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发表于 2012-11-13 08:48:12
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1判断语句
( d1 Y/ L; N& P- @ if <condition> then3 ]6 q3 W$ S# t/ v
<statement sequence1>;8 _6 k: {. O' E$ v5 {5 W7 O& E [
elseif <condition> then3 b+ S) ^" \7 T4 H4 P1 e7 U% w1 k8 x
<statement sequence2>;( S2 O$ V: m1 F# ~: K; q7 M
else 3 ^1 U7 `; D0 p7 ?4 R5 y( z/ S
<statement sequence3>;7 A' u, M1 ~$ z
end;
5 j: j7 C% D% B如果分支比较多，用：
3 }# |) c/ q) ~ {( b3 R7 w4 [ inspect <expression>+ Z. p) ]( X! I8 L- i6 k
when <constant_list> then1 O' T$ z9 S( p* |. ^8 i. w
<statement sequence1>;
3 }# W! B% T9 _7 s, k when <constant_list> then" v+ A, w8 G$ y b
<statement sequence2>;% n, }+ N7 f5 k
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else
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2循环语句
0 x ^1 n: g1 w% h/ H* B0 z+ }8 ~ (1) from <statement sequence1>
3 Y+ k; c9 Y# w* [0 { until <condition> loop
: T' _5 ] Z4 @3 J5 K" [' T <statement sequence2>;4 H/ y3 H6 B* z' n/ k
end;
! ~2 @, B0 X4 x" A (2) while <condition> loop5 o% z2 N& m ~7 V# G9 R( |: B
<statement sequence1>;$ I6 g) h. s9 `0 l) k/ d, @
end;; R' Q: a) H( f& `
(3) repeat
* ~. E- P: W& a <statement sequence1>;7 G5 S& ~/ E; l8 l: ~3 d
until <condition>;& I! l- J% ]& S4 z+ n/ y* A
(4) for <condition> to <condition> loop5 }0 ]( @- H4 D d( T# \$ M5 x. j7 w
<statement sequence1>;
0 ^6 Q/ k0 M+ {5 @0 V5 y1 O1 F8 K next;/ u. r8 v! [- C: B
3中断语句
# O6 |, x$ Z: c+ e" G: B8 C3 n waituntil <condition> prio <integer expression>;" Z/ [* b$ k6 ^8 @2 ?5 A# y
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& r b3 t) U& z! b' W9 K' I4 U$ \以上为常用的函数！$ w1 s5 \0 V I/ j R
还有很多，如有需要我把资料发到你邮箱里 : S3 Y# C8 ]& Q' x& t# U9 |
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