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发表于 2012-11-13 08:48:12
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1判断语句
# X! O- w+ x& F3 w if <condition> then
( q% h- ^2 ^! D3 u5 O7 u <statement sequence1>;, q3 x! B: C* \
elseif <condition> then; b, Y( Z2 I' ]! `' T9 N8 O; C
<statement sequence2>;9 d/ s5 g2 |2 Y4 M- d
else : N' _7 M- J/ h7 O# ^9 I* s
<statement sequence3>;6 O0 i+ _+ b) N! }! e( C
end;6 G% t# M8 K2 s1 L( v7 C
如果分支比较多，用：* V/ w" \ R# A/ y
inspect <expression>
7 \: h9 J% ]" H: w when <constant_list> then
" B9 B; Y2 j. D2 ? <statement sequence1>;, I7 E# n5 ^/ h5 b5 y
when <constant_list> then
$ j! ]! C# g9 l& w5 [6 r `5 Y <statement sequence2>;
6 E6 W9 a* Q3 _! P5 w ...
0 u( n- P+ J( p# i; U else
& n7 U$ [2 b5 O1 H+ R: ~ <statement sequence3>;
* _* ~: u! h: Z' iend;
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2循环语句9 u4 h/ U% n2 }' [# _
(1) from <statement sequence1>6 X' ~4 P6 a2 I+ c5 S- P
until <condition> loop
2 T) E, U8 \0 f1 m <statement sequence2>;
0 r" V, `" J7 y9 o7 z1 X" u end;6 i0 \$ D9 m' M1 d6 U
(2) while <condition> loop# g6 r+ L; j1 l3 O+ `) U$ ~) W& G
<statement sequence1>;
3 n/ p# i0 B! \& S B5 `0 J/ q end;1 u5 |. p' M7 M& z) @* v$ G, N
(3) repeat
3 C( T$ t. b# [6 D v <statement sequence1>;' {$ C& {5 U! o2 |8 ]. d; i
until <condition>;/ N' J. n$ g; h6 }+ t, c
(4) for <condition> to <condition> loop
9 a& ^! f4 t$ d {; k <statement sequence1>;% P, _& ~% h0 y
next;9 k( L1 H) c/ J" C, y v$ h8 ?- v
3中断语句 U7 R. r L. a, n; P7 F
waituntil <condition> prio <integer expression>;5 D0 `6 Q8 W& ~$ ~- ~! y
$ d+ b( `( H+ x) I: n
# x' A. Q& d0 y- z6 z) Y3 u# b以上为常用的函数！# C! v3 v4 O! ^) w# Y% s
还有很多，如有需要我把资料发到你邮箱里
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