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发表于 2012-11-13 08:48:12
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1判断语句
, a& U0 P- a( v0 S$ K( s if <condition> then
0 B, A* F4 M( d/ J2 R! a <statement sequence1>;
: }8 C" s% r& g8 x5 m$ J elseif <condition> then
8 o% G! S5 ~ G; w <statement sequence2>;# Z& Y& E P; b0 B7 h. \( f
else
' w0 x+ ?! }) |8 o <statement sequence3>;
! C8 ]) ?" ]) D: ^ end;
- s r. I9 ?) {0 E& U, o. @如果分支比较多，用：
+ h+ c) S5 f6 ]5 r8 t inspect <expression>5 p c9 _9 y2 o- ]# p8 }
when <constant_list> then+ i+ Q; q( }* L0 G4 o7 W, Q
<statement sequence1>;
( Q1 q3 D, \0 K when <constant_list> then
5 I) o: H! z$ k1 L# a& q# ~ <statement sequence2>;
- p; |) X E& F! N/ ~2 h ...
. c& D f" r8 d+ ` t else
' z9 h2 \( d8 P8 a( | <statement sequence3>;
+ d- ~: }9 a% f8 {2 y/ Q" \end;, R" T! r9 ?# \) K
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2循环语句 O5 y2 @8 h- M! N" E
(1) from <statement sequence1>6 t1 A! Y' _ \8 h) c$ Z0 G
until <condition> loop
9 g; D% m2 X l& d% b <statement sequence2>;
8 F _; R/ {1 \ {. U5 s end;
2 V1 W, T: T1 N1 B- m5 n& |+ v" e (2) while <condition> loop
]( {1 Q( B; a7 _) i W7 F <statement sequence1>;& ]) G, d, \/ @( p8 Y& ^
end;
- T$ M- h( K! ^1 P' S& { (3) repeat
+ B9 Q% T/ Q1 W$ m, q' S& z# { <statement sequence1>;
. v& q, a% S4 {: b/ Y1 x until <condition>;3 K& M4 f8 {# e: L/ n3 s" y$ S
(4) for <condition> to <condition> loop
& ]" { \* \% H <statement sequence1>;7 L9 `7 U) v# @3 i( I- W
next;
" I! |9 J0 Y- H3中断语句7 B, v. @: O8 }
waituntil <condition> prio <integer expression>;
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' ~+ w$ o# Z# B# i& e
以上为常用的函数！3 }0 _, K/ E3 H+ z8 s
还有很多，如有需要我把资料发到你邮箱里
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