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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
2 p# q3 k7 j1 {/ L% v% X6 |3 q if <condition> then
# v9 e. o0 p6 j, s2 W+ w9 E3 y <statement sequence1>;/ q# [7 x, c% k! ]
elseif <condition> then) G2 U' w6 X t
<statement sequence2>;
2 k# s8 n4 V# Y: `/ C2 y, _ else
9 D- I( O0 T7 D: C. l& n7 O <statement sequence3>;. g9 A+ q* F0 e: r3 y
end;( z+ t" Z9 g. {* ?* G
如果分支比较多，用：
! P! r2 I8 T. M+ D) d inspect <expression>, q) `' O [# `5 Z' x" U2 p: d
when <constant_list> then3 H- d4 l' P7 X/ o5 r. ?# n
<statement sequence1>;/ D1 ?; J+ ]$ H, B% E
when <constant_list> then
2 q; D2 C2 k3 k+ ^ <statement sequence2>;
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else/ p7 B- f) `! U6 `
<statement sequence3>;
1 c! O, x, O9 V% R/ I6 cend;
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2循环语句
! l. x8 ^3 g% A0 v8 k (1) from <statement sequence1>( T! q* ]7 K1 i/ n2 Y& S7 \0 Z
until <condition> loop2 X8 R; F: O: ?" T& w
<statement sequence2>;
6 ]& C# H1 Y; s1 M: d. p' D end;* C: X' a% D/ t" r, L0 d
(2) while <condition> loop
) X' N* b, _- `; t" l0 o+ j <statement sequence1>;
" q) I! o! e, y3 i) h2 X end;
& S7 y4 I8 Z: S$ G (3) repeat 4 c: J, l! K6 {* p. b
<statement sequence1>;8 |8 Y# U1 u4 ~, G6 A9 `: B( E
until <condition>;
3 O* j4 \" k0 d$ x (4) for <condition> to <condition> loop T2 n2 I& k0 ^3 x
<statement sequence1>;. s% r0 s- g/ v @' s5 x0 O* E5 ^6 l; r
next;
9 ]9 D' k9 M5 l5 P: P& r- `+ \, G3中断语句" Q% a+ l/ T& X
waituntil <condition> prio <integer expression>;' y; R p- s* s; K/ s1 h
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以上为常用的函数！/ u) i, i! ~0 a! \4 y% H
还有很多，如有需要我把资料发到你邮箱里
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