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发表于 2012-11-13 08:48:12
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1判断语句! W4 b/ T& q% y! i( ?1 ^/ B
if <condition> then
/ \9 C3 p% U, M: e1 q9 j <statement sequence1>;; _( W. M( A, O" l/ S+ A) h
elseif <condition> then, a8 [2 M3 D5 a J! y# I c
<statement sequence2>;! y/ Q: | d, B, c. \& G `7 k
else
2 U" E7 D" N! g7 ]! A! A <statement sequence3>;1 Q2 ~6 D" W8 P
end;- m+ ~6 Q( T3 a( u C3 \
如果分支比较多，用：
! X+ g ?6 t2 T inspect <expression>: i" z8 b+ x3 m# ~! z; @; m
when <constant_list> then, @4 k) D2 O6 [7 r
<statement sequence1>;
) M7 X. `! m0 e% u when <constant_list> then
$ H% C6 z# W8 j0 ^0 z/ \ <statement sequence2>;7 y9 Z& K. ^/ b6 _' X* {, q& O
...
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<statement sequence3>;" s2 t) Z/ X+ Z7 Z
end;
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0 V& Q9 h" I$ A2循环语句4 C: B' Z3 I& u; v7 K( a1 ^8 D
(1) from <statement sequence1>) \& m: X( G, b$ ?2 D/ `
until <condition> loop
1 M9 H$ f# P4 U+ y |* N; p) K <statement sequence2>;1 e, Z! w0 ^* C) m9 F
end;
. \' ]2 y' g) u% ^$ e* K (2) while <condition> loop# q% n( y# U5 T$ p% A* C0 x
<statement sequence1>;
4 B5 B7 C% _8 q& J' j c$ y end;
2 U- l: V9 o4 K8 x$ r: | (3) repeat : N; h0 b3 K4 V) q( A) X4 ~" m- j3 z
<statement sequence1>;
9 N3 i- t; Z) k# j H" n until <condition>;
) t8 d3 M$ V, c6 O4 [ T' I) f (4) for <condition> to <condition> loop4 n. J& y4 F1 l6 |9 F! S
<statement sequence1>;
9 O+ D9 _" h+ Q" X8 H/ A, E. F next;
! P; G0 P4 k9 g3中断语句
* }" N% f) r4 o+ Y+ [; D waituntil <condition> prio <integer expression>;, b& [! ?; u% [6 T! v
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0 I. R9 `; v, r. O# K2 ~: O4 W# c以上为常用的函数！
1 Y; \8 a- X4 ~还有很多，如有需要我把资料发到你邮箱里 1 |) o; f7 ~& X: k
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