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发表于 2012-11-13 08:48:12
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1判断语句
$ e* T! h; q7 c) P, b' G) l if <condition> then( A! m4 G8 g% m& w4 k$ f3 s" I$ B
<statement sequence1>;8 p3 O; l# _6 W: j7 a* E+ S) R
elseif <condition> then- R8 B' S4 \) o4 q; V @: ~* z
<statement sequence2>;7 _6 w( f0 x: }" w! L5 o; R
else 0 e8 W$ ~% I2 p4 x3 @3 o9 e; ]% f
<statement sequence3>;5 r5 l* g6 j- U% ~% q5 w5 H4 h) i
end;
( a, g [6 i% z+ [如果分支比较多，用：
* ^, ^+ s& J* u* r8 Q inspect <expression>" E: a6 ?) Z* F S) i$ D
when <constant_list> then J7 p6 X/ L" L) ?' g% R
<statement sequence1>;' T% m/ F: O% y c6 u4 O0 a6 w" S" ^
when <constant_list> then, z9 m6 w9 y+ }) f) w
<statement sequence2>;6 k* {& S" D2 D5 P( s$ V, [; s" J
...
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<statement sequence3>;
?8 o% O# T: M! H' H+ ?end;
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/ c9 m$ o0 P$ a5 R/ h: l7 m2 Q2循环语句
' F& n1 }% c' y- t3 b( K (1) from <statement sequence1>
1 F3 V3 m/ u# Y; d( E0 C+ s' C until <condition> loop; w( ]7 {1 u" K( g( O/ y
<statement sequence2>;
, |3 _/ M$ s3 w6 f; z8 N! U1 r end;
$ P, n" Z# m |) K% P (2) while <condition> loop
+ O4 X1 J/ A3 Y <statement sequence1>;
! i7 j- |9 A/ ]$ w+ R2 d end;
( w; ~7 ~1 L4 o, l% h8 F8 \ (3) repeat
3 _) v0 ?, D9 ~6 E4 C# t$ u <statement sequence1>;
! ~/ A8 Q2 ^- j0 B until <condition>;
. U/ q3 u- E2 \8 V5 O- c (4) for <condition> to <condition> loop% i/ {/ j' _; k
<statement sequence1>;
6 g- S4 f! k8 z2 [+ S next;
( |9 W8 z: M8 Q! L* h# k t' T3中断语句( `, l! u! {% j5 D7 c' Z- h
waituntil <condition> prio <integer expression>;
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6 h5 ]$ P2 N; W# K) N6 i' d以上为常用的函数！
0 D: X# b* x; C8 K还有很多，如有需要我把资料发到你邮箱里 % H) F' B% s9 v2 l. {, h" o
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