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发表于 2012-11-13 08:48:12
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1判断语句
/ G- q! m; ~, O if <condition> then2 I1 i5 e4 q- X: Y3 `
<statement sequence1>;. J6 e+ U0 a4 ]5 z8 z" n
elseif <condition> then
9 I/ }* w/ j7 x, a <statement sequence2>;
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<statement sequence3>;
1 @% \7 h1 U, B1 K1 W) d5 a4 B end;
; ?( p! }# f: A6 g6 ?. o如果分支比较多，用：
) s' a$ ^( x% S9 E: d1 p inspect <expression>
4 ]$ ^7 C8 `6 I. v6 W# ?# O0 y when <constant_list> then; E+ K% h5 P! M3 M- D
<statement sequence1>;# n4 x8 A5 {2 Y2 a( s4 N& p
when <constant_list> then0 e$ l4 V+ B- p
<statement sequence2>;5 F4 r* F1 W1 ?4 Y" }
...
/ D! P4 u( \/ H: m else: J- Y; C. L" v, l
<statement sequence3>;+ s) p* m6 H. z1 _0 H( @ M
end;$ O5 i( E+ R/ c) H# u
1 U' \% [' i t( u, _$ I' P2循环语句
1 ? b* }: y- o' ^ (1) from <statement sequence1>+ v' f, U8 @$ u/ m9 M
until <condition> loop
/ @+ s4 m9 i8 k <statement sequence2>;
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(2) while <condition> loop) a# i7 L+ v1 e6 A8 u2 L! o7 \
<statement sequence1>;
" T4 l9 D% p- ` end;% q1 F- M0 p: Q. h* E
(3) repeat
: _; v3 W5 `9 {3 p& A# @* Z5 D <statement sequence1>;
( k/ W9 u1 n9 _0 K. N% n" [+ d until <condition>;! C+ P2 a9 W- a: T v) V! i
(4) for <condition> to <condition> loop6 ^. x+ n4 z' T; w/ X. D
<statement sequence1>;
& Y. W: c4 j' T; ? next;
1 E% |0 q8 R b) y! P3中断语句
0 @! N$ E1 t0 }# c/ ] waituntil <condition> prio <integer expression>;, q+ D% T, Z& V) n4 D1 f' [ q
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5 a) _; c$ J5 D1 c; C以上为常用的函数！" U" ?0 r c( @; O8 H
还有很多，如有需要我把资料发到你邮箱里 9 Z( E6 l: L7 `( q
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