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发表于 2012-11-13 08:48:12
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1判断语句8 U3 B5 M! s& p2 G
if <condition> then1 S# e1 c6 W" i' V; U7 I3 u
<statement sequence1>;$ J- J& b( w& D; U
elseif <condition> then9 g5 K) `) \% {6 ]
<statement sequence2>;
/ `/ Z3 o" F- E5 J; P8 K0 { else
2 }. V7 Y% H; A+ M+ Z P <statement sequence3>;
5 ~/ J2 L8 @- s( a end;
6 e* F7 | C6 m8 x5 \. \$ {如果分支比较多，用：! s3 E! n4 E9 o/ F
inspect <expression>
5 v. E5 z1 b k9 P when <constant_list> then# V& j1 s& t A4 i' o' w' o& A
<statement sequence1>;
, Y# ?" P+ j1 s6 z when <constant_list> then" o1 M5 | {, W( |' O0 d- b1 x4 M, ]
<statement sequence2>;
/ U; S- ^4 Q1 z& p7 r7 b ...
% I1 a) Z1 B9 W) d else
0 J) L; I v, x' ?# B5 A1 `! ~* f5 { <statement sequence3>;
3 ?. {, U+ c( Z6 \end;/ J% L- B+ T) _3 r% ?6 ]7 z
% \" r7 f2 j! U7 g4 h2 W# _" S2循环语句) u2 Q1 ]. G: c1 B w7 M
(1) from <statement sequence1>
2 Q0 d) Q, T. E until <condition> loop
1 j4 W2 {& d9 L8 M <statement sequence2>;
8 p; k2 u$ u# d8 u end;
1 v8 P8 J3 G7 ?5 s$ B (2) while <condition> loop. C9 c3 a }7 K; U. P! n
<statement sequence1>;- Z' i9 k q2 Y2 C# B0 U
end;. i# n9 V5 \5 L' i7 f! C
(3) repeat # ]8 s9 P K% ^
<statement sequence1>;
i4 x& C: H* v8 V6 e until <condition>;
" I) ]% Z% k# S% o0 L5 M0 v (4) for <condition> to <condition> loop
% }4 v& n" X$ j H <statement sequence1>;
7 M8 G/ ~% b( }+ J! K/ ~' W next;- N) K+ l6 Q+ I4 k
3中断语句: `9 t1 \# u4 j
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# p, M4 j0 D& T' m5 P5 }
还有很多，如有需要我把资料发到你邮箱里 5 ^0 _' r, E# z) g$ ]! \
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