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发表于 2012-11-13 08:48:12
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1判断语句; V) i+ _0 o% t7 @3 Q2 T1 O
if <condition> then: Q- g+ l: ?8 y6 V4 m# O
<statement sequence1>;
6 M8 v- E5 l0 P+ A, A% J elseif <condition> then# z! I. e; J: B6 @3 s# Y# _: w6 c( v
<statement sequence2>;) L) P. @' C& V" w4 ^* P" t
else ' w; ?; c: k& \" R' c
<statement sequence3>;' n+ U# T" K5 B3 J
end;2 P; l: o4 U9 o0 [4 {5 A/ I0 ]
如果分支比较多，用：, p4 E9 \1 O+ F( @) p2 i
inspect <expression>
5 \- \( |$ I5 f3 o, Z, d G' v when <constant_list> then6 w1 c7 u. V [; |# ], U5 `/ \
<statement sequence1>;0 |, Y4 ]! S) M6 x) \4 N
when <constant_list> then: I+ m/ d1 F# k
<statement sequence2>; A( [) U* P6 m$ x0 @* x% N
...$ \# ]: ]/ T" P. ?: M" G
else
- G0 R. Q3 p0 E E <statement sequence3>;
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2循环语句
( q' T( a# I X3 G) U9 p$ _( i: ] (1) from <statement sequence1>
5 Z% ?1 X" N( }. O: l, N# j4 w2 o; s6 z until <condition> loop
6 E! G$ }" s* U! O3 W x <statement sequence2>;7 G! e4 B/ I ?1 w8 i/ S
end;8 ~8 p' X$ E# G
(2) while <condition> loop) m4 F% q, L5 q
<statement sequence1>;
' z% Z9 F8 I) J$ Z+ Z3 k. Q end;
9 t6 u k' X* H (3) repeat
1 [! }5 m+ c; L, W b <statement sequence1>;
) G* f o4 Z7 @* d- M9 y until <condition>;, j1 O! r2 |9 }
(4) for <condition> to <condition> loop
+ Z; k4 K, D% s/ e/ f9 ]: r <statement sequence1>;. w. I2 N$ ]# w2 ~7 o' _
next;5 m6 [' t" W+ _9 J C
3中断语句- T: U# p0 k1 l1 ?
waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 |9 ?' q. s' P2 |' ]3 ^. c5 v
还有很多，如有需要我把资料发到你邮箱里 ) x4 Y E0 l: b* ?, k
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