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发表于 2012-11-13 08:48:12
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1判断语句- P3 c! a: z- o% m6 ]1 Z: ^; T8 V
if <condition> then( J$ _: C. e$ n9 F H5 y
<statement sequence1>;
1 J) _5 H* T5 z7 b7 g elseif <condition> then7 ^( E2 }2 T! b! e
<statement sequence2>;
) y* u; `/ G* L3 Z! | V else
. @5 j. j8 q2 r' y2 |1 D <statement sequence3>;5 a+ O8 ~/ N3 L9 z
end;
2 l6 A3 A4 l( u$ l' ^如果分支比较多，用：, b0 D- `1 I( B. O' U( Y! N# Z
inspect <expression>
4 G3 F: W6 ^# j! }( C& Q7 W when <constant_list> then+ U# y, m6 e& e4 f! j& z& Q! x- K
<statement sequence1>;$ F* a7 K, q2 V& O
when <constant_list> then6 x0 D6 ]' e1 R$ s% H: s- e
<statement sequence2>;
' C# J0 U+ T! a( @1 M: f q1 X ...
% M$ T" z3 ]( s! O! f% w, k6 p+ V0 i else# I5 P/ S* a9 ^6 c: w8 r! w
<statement sequence3>;
# ]1 r0 U2 ]4 @3 j. s5 n' N8 send;0 }. s" o" e N( S
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2循环语句2 w. x9 o r: l
(1) from <statement sequence1>
8 T% K% H$ q0 r until <condition> loop
; D6 B2 s% A2 e- ~, W1 S& e <statement sequence2>;
- F( b9 F/ `; ?8 Q/ B( h8 o end;% M+ l. [1 d, j2 K3 V! R
(2) while <condition> loop: v* T3 \% X% t. \0 M' Y
<statement sequence1>;7 T' S% U! t+ ~* l% d @ U2 b- Y
end;) {+ B8 P7 n0 ?0 Y6 l
(3) repeat & c6 ]9 U/ T" u' {4 Y# }) L
<statement sequence1>;0 F" v! c4 g2 s
until <condition>;
% @. S, N( a0 {4 n, x2 \ (4) for <condition> to <condition> loop5 Z, C: S& ]0 p/ f _$ W# `
<statement sequence1>;
( }+ q4 H3 t5 b# v8 s9 I& ~* _, F next;! D* _9 M7 _$ Q1 p! R% [
3中断语句) V5 ]' W0 D% } T1 Y
waituntil <condition> prio <integer expression>;
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. D$ z3 z* q$ z' R" G以上为常用的函数！
% v: F; @: `) C& G% ?还有很多，如有需要我把资料发到你邮箱里 0 y) }# f3 S+ l5 h! d0 I
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