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发表于 2012-11-13 08:48:12
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1判断语句9 d' E. O: D' n
if <condition> then: Y; C9 S1 W& _% l
<statement sequence1>;
3 @* h) s/ ^& z* e7 L* x( V( ]' N elseif <condition> then
: J+ ]5 A3 @* B" k <statement sequence2>;# p' g. j! h$ k2 V2 t$ Y
else
* E* L8 n+ {& p- A( b- K8 z& W <statement sequence3>;
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如果分支比较多，用：" D( z7 V8 Q' C( A' M0 ]3 V
inspect <expression>
# q2 ?. J5 S6 o( e# D4 y9 P0 L when <constant_list> then
1 s& E; H& E5 r* `* ^( @9 P5 o% g$ K <statement sequence1>;7 p _+ B0 A" m' Z
when <constant_list> then
3 g& z t" N9 X5 K <statement sequence2>;$ @% B7 G$ x5 o+ c' }5 z4 ~; t# I5 Z
...
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<statement sequence3>;
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2循环语句# B; t6 p8 \2 L& w
(1) from <statement sequence1>
2 O& W) g- D& X until <condition> loop
: P0 e7 k ^, [- F. O <statement sequence2>;
& Y& ?) Q7 O6 ^; W! \ end;
t6 m; h0 c- c2 r- ? (2) while <condition> loop
6 c/ k% l0 Y$ a <statement sequence1>;
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(3) repeat
0 D2 W/ _" A2 _0 B! I0 P" D <statement sequence1>;
$ r8 M# @$ B8 h- Y5 [2 V& s# w until <condition>;+ d% v9 @2 f: M9 @( }1 C) ^7 k" r/ b
(4) for <condition> to <condition> loop9 d! U: v; t9 C. s+ Y
<statement sequence1>;
+ Z/ T" Z- n$ }, g- c/ |! J% ]! y next;
9 Q. Z% `* }* j: v9 d3中断语句1 w8 a# w& l# j2 @3 y7 k
waituntil <condition> prio <integer expression>;
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8 A9 D9 t3 Z" V S3 d以上为常用的函数！
$ R/ N+ ?% x9 \, c还有很多，如有需要我把资料发到你邮箱里
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