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发表于 2012-11-13 08:48:12
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1判断语句
; l9 T, |7 c- ~ if <condition> then/ ~" U/ N7 ~( Q3 t- F
<statement sequence1>;2 t. ?# l8 A8 _2 _" p' W4 i
elseif <condition> then
! [) b5 A0 R! s( U1 J# T' C <statement sequence2>;1 p9 m+ v' K; E7 x. \
else & i2 c ~ E; i! n \" m! u7 e) l
<statement sequence3>;
9 }# ]4 K7 m( M2 a1 C$ y end;! Y, g2 I$ Q& V! @
如果分支比较多，用：% w" H# y$ T& y
inspect <expression>
3 h3 m+ x0 {2 x( [8 n } when <constant_list> then$ o9 i$ l. D& f' {" \, j! I( I
<statement sequence1>;
0 Q; D- ]# Q0 L* b when <constant_list> then7 h, a% ~. U1 b+ e8 W& Z! [
<statement sequence2>;4 R6 L) Q% W* I& \5 d( W% @, U1 ?1 m. A
...
( `$ \$ X a( l else) V p3 I6 I! X$ U: m+ n
<statement sequence3>;1 U V! s% N S1 W6 {# Y/ e
end;# w8 M3 X8 B: _9 X) W, E
+ u q& b3 U! d4 @; P: }3 S2循环语句1 |4 T$ r. o4 J
(1) from <statement sequence1>1 I4 R9 ^4 I2 Z2 \6 d# @
until <condition> loop$ E ~5 e) D( R) Z" S4 r2 n+ d9 i
<statement sequence2>;
! O9 C" L/ x6 E1 `6 A% \% m# h end;
' u+ f% M- F( ] L0 k6 v (2) while <condition> loop
" P# d% p. ~/ R2 Z7 r <statement sequence1>;
7 o5 s3 B5 x6 H! k& U8 ~ end;0 _" U" R1 W1 O$ q) l
(3) repeat
4 d; I6 s3 Z b, f6 } <statement sequence1>;- E4 m0 q! B, A' D
until <condition>;* x$ `+ ]6 p+ N0 u; ~4 U% K L+ U
(4) for <condition> to <condition> loop* l. k% K1 Z; U
<statement sequence1>;' }1 d* i2 b3 C( h% V5 q9 O
next;
) E; _5 c. v+ g( q* }% Z& u1 a3中断语句
/ E. _' |0 ^: _3 q2 c waituntil <condition> prio <integer expression>;# Y0 q# B; n7 l; \: C$ ?7 c3 H5 K
" M( V+ ?6 O$ `" ?+ s
! T) Z! B3 V* m) j/ B0 G以上为常用的函数！
8 \ G, I' C V, K还有很多，如有需要我把资料发到你邮箱里
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