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发表于 2012-11-13 08:48:12
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1判断语句
: r7 G0 J) r" t0 w1 a$ ` if <condition> then$ y; ^9 }: q& F$ u# a
<statement sequence1>;3 p' f$ X2 o' C' F; i- a
elseif <condition> then3 ^/ u* Q$ x5 \2 u9 ]9 b
<statement sequence2>;
# X. A, M2 \% m, z1 F; L else
, u2 U% L- d3 l; k2 O" m8 T+ [6 ` <statement sequence3>;( G) Y' H B4 ?' Y/ T
end;
1 o6 d% H" l6 m9 {2 `如果分支比较多，用：- k4 M! a/ y/ d! I3 x7 P# t
inspect <expression>
# Q) L, b7 K! e; P$ Z8 l) _ when <constant_list> then* Y K _: P9 q5 H O: S) o
<statement sequence1>;
4 q$ {! `5 y- u, x: k when <constant_list> then
3 m4 ^4 b# g. R8 v <statement sequence2>;* w! B- T3 e! z i3 L% c# x1 X" P5 x
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else
! C) W- @- x* V <statement sequence3>;$ [9 o0 W) A& @' V' u/ G
end;! ~$ p( `' r2 r, G
) h( t& D1 i2 n2 K! E1 I; _7 ~# L2循环语句
6 X1 m8 E' Z9 M# o7 J* z5 y (1) from <statement sequence1>
+ P7 q! ]) u* R6 c8 |" J2 e! N: m until <condition> loop5 x y, p, T1 u% D% y; M
<statement sequence2>;2 y' ^& b/ C* Y7 ]. p9 {2 `
end;7 B0 T, a5 r9 A# T- b
(2) while <condition> loop
6 L/ i# [# t5 ~9 d8 V$ a <statement sequence1>;9 w) p" n$ {& d1 S* U
end;6 g7 u/ ]9 [2 j; v
(3) repeat - b8 _3 A9 X9 s" d; D
<statement sequence1>;& W! b* @ e2 t2 B" f: x
until <condition>;
" h+ h. a/ f5 ^2 x (4) for <condition> to <condition> loop& s$ ~2 A5 z- ]
<statement sequence1>;( ^; f2 S. Z+ J/ t/ B8 ^6 W
next;
: F+ K4 t0 F2 S5 f; o% h3中断语句, x, Q. T2 \( _* e
waituntil <condition> prio <integer expression>;! h/ u! q7 K% N" r' u
% b/ \4 l& G! F. I( }
7 j3 n! P2 b& `3 y, `以上为常用的函数！7 q0 D& u5 h/ T- M0 V' S
还有很多，如有需要我把资料发到你邮箱里
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