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发表于 2012-11-13 08:48:12
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1判断语句
, `/ K$ j5 @7 w4 I3 L& A if <condition> then$ c5 N+ h: _3 T" R8 S
<statement sequence1>;) _0 N S" U- G. [6 f1 ]
elseif <condition> then
, B8 q, W& C! R1 \, k <statement sequence2>;
5 J, t2 r. M# j else
U$ M% c: \8 u# U# z+ ? <statement sequence3>;
, N0 y; M; O" y8 R0 |" a, `! L( O end;
5 {( o, `2 x7 X, D7 F1 K9 O3 T如果分支比较多，用：) v* e6 J& e) B4 h8 w7 j
inspect <expression>8 a- B! r3 f2 f! ^
when <constant_list> then- g j0 I' A: ?
<statement sequence1>;
+ q& I/ I1 J; J) ] when <constant_list> then
) Z" v" U& A" _* Z; u <statement sequence2>;8 t$ `6 u. p% N$ B* _$ D4 i
...
5 \' V- f' c" ]+ T& l else
: k) f6 `6 ~: p; q" N8 X* u# n, x <statement sequence3>;
3 i u, G F+ p3 yend;
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2循环语句
* y2 _% n; v; r. h' ^ (1) from <statement sequence1>3 k! L5 o0 X" o4 X3 t6 p& `
until <condition> loop
: S4 [# e+ ]* k g9 J; o <statement sequence2>;4 l4 h0 S+ }% ] ~- A! w
end;
4 R- U* y+ [. L. C4 D (2) while <condition> loop
# ^. T7 }; F' G! m7 J/ x$ } <statement sequence1>;% X- s) e2 Q9 }. E: G
end;" u% k/ |3 d2 r3 p* ~ z) t
(3) repeat ' W1 C/ g* V& S; g- [
<statement sequence1>;/ _9 a5 p# V, U& l
until <condition>;3 \! J. C1 y! `
(4) for <condition> to <condition> loop
4 [8 s1 L0 d; l3 ~5 ^ <statement sequence1>;
0 |4 R0 e! `3 |9 [) u& ] next;
. ~( d) s, b. d- q# f/ |5 @7 {3中断语句
6 {1 V. z: v+ D3 a; ? waituntil <condition> prio <integer expression>;# q8 a- z" H* B1 ]9 B$ Q! n
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以上为常用的函数！
5 @) \% }4 R, g还有很多，如有需要我把资料发到你邮箱里 $ [4 a9 r9 ~! T5 ^$ ]8 n- Z
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