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发表于 2012-11-13 08:48:12
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1判断语句/ P! o! E/ H% m
if <condition> then
) V2 M+ Y- a5 H <statement sequence1>;
# V! n& q1 R3 G" @+ i elseif <condition> then6 y3 r( N8 q: n: B1 y
<statement sequence2>;& B' T4 \. x8 o( _2 @
else , W7 l- l) H: Z, @7 E& Z
<statement sequence3>;) l) V' o/ m W: T2 }, ~
end;
# p5 N* O! ?4 A+ O( B如果分支比较多，用：
+ } t, R6 g& M5 _4 T7 E2 u inspect <expression>0 s F- p' D$ J h& |1 Y
when <constant_list> then
6 ^, V3 T6 c4 Z5 }) G$ E& c <statement sequence1>;
7 _: O) }" p. u5 E4 T! s& p when <constant_list> then6 g9 | G* r+ \
<statement sequence2>;
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else3 h9 ~) H5 [4 V' G* k) N3 x# ?3 Q
<statement sequence3>;
5 j7 e. d/ N O/ P; r% @( tend;
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3 ]! _9 g1 r; F- ^2循环语句
" q6 ?- h v* ^ (1) from <statement sequence1>7 U6 ?! L) Z/ y( v- @6 k+ m& Z
until <condition> loop
: T( F$ b1 D J" h. z% o <statement sequence2>;5 }- P9 O0 g- ]/ z* X
end;4 R: y! Q7 o A O$ r7 b! Q
(2) while <condition> loop
1 O; m! M2 n( o" B |" [+ U <statement sequence1>;
. z2 _4 L3 A7 } end;& ^4 x: p! t3 e/ o% K# m
(3) repeat
7 E& z& Q# ?$ `. B) t! I <statement sequence1>;# w8 X4 c: r9 ^1 B
until <condition>;6 L7 G% F% f4 o- Q1 U
(4) for <condition> to <condition> loop# s1 w+ @* d- Y0 C& a$ p
<statement sequence1>;
. a" T% X# X4 Y4 f: b9 N) w next;0 ]3 ?" @0 F, s" o" u
3中断语句6 p, U3 S; p/ b6 w5 ]4 X2 D6 {
waituntil <condition> prio <integer expression>;, ?8 e* t; \: s% [' K
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以上为常用的函数！. U. u% W% u' M/ |7 ?
还有很多，如有需要我把资料发到你邮箱里
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