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发表于 2012-11-13 08:48:12
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1判断语句
6 ?' E& D9 m0 P4 a: B, j6 ] if <condition> then
6 R* l$ D" Z) x <statement sequence1>;" A$ O+ a0 T* W4 |' F! C
elseif <condition> then) @3 _; j8 U# S, o+ i0 t6 e) y/ b* r, S
<statement sequence2>;
' f% @+ f1 k" q8 J- k8 @, W else
3 E" ~8 f+ w& Q* o; f4 C: `7 \ <statement sequence3>;
7 s6 I7 F# Z: m/ w+ _- F& L3 q* C end;. f( H* b Y4 c/ Y6 I& q* x3 O
如果分支比较多，用：/ i0 H. \9 K o" C* a. J" m/ B
inspect <expression>( s+ b/ ^! q9 T5 y& C$ X) k
when <constant_list> then
4 ~( g/ |* U5 t2 C! Z <statement sequence1>;
* X3 h; g. @7 D& c1 j4 y when <constant_list> then# m& c8 ]/ l! W8 n! x0 Z
<statement sequence2>;) }! w# O) V j8 }
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else
, x: D- }9 `! q" b9 G <statement sequence3>;
3 J S; z0 V5 k( ^! zend;+ Z4 }8 c; h7 _ Z' i1 o$ \
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2循环语句6 b4 E! R7 o4 s+ `0 R; y( ^
(1) from <statement sequence1>
5 Z& S3 X8 { P! P. s until <condition> loop
' ]0 c3 u0 t: O <statement sequence2>;
, ?6 G2 M" j2 a( C# x- u end;
) U: d+ c, g* a, c* k (2) while <condition> loop" B. p2 q) v" c8 [- t' ~
<statement sequence1>;
4 Z: o$ z( Y9 E4 K1 u0 P end;4 w, N, o; p4 {9 ?$ x. ^% K1 J0 a
(3) repeat + V6 O0 f) Y* g' s' w# g0 H; F
<statement sequence1>;
" e" ?# t: v" K( g3 d0 i until <condition>;
N$ C `) ^- Q# T7 o, Y (4) for <condition> to <condition> loop+ s+ b( v' V7 i- e8 e: B
<statement sequence1>;
( [6 h9 {4 F$ Q1 T next;; ]4 K& M+ J5 Z, l* m# M+ a' [- q
3中断语句2 a5 }1 \! ^2 ?# A( N
waituntil <condition> prio <integer expression>;
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9 @ S( N( ^* B r2 d# g7 \以上为常用的函数！
* q; X [0 f7 |还有很多，如有需要我把资料发到你邮箱里 9 P) \/ |( r6 t$ M6 ]9 H
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