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发表于 2012-11-13 08:48:12
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1判断语句! G9 r8 ~1 m$ E1 v# R
if <condition> then0 n& H. v8 d T) w
<statement sequence1>;
5 O) g `2 S9 a3 B2 F1 ` elseif <condition> then
) s; c& u9 r- g* |% a <statement sequence2>;
0 R9 D2 ?, `) P0 e7 | else
1 Y- ?# @+ i: k' ?/ i <statement sequence3>;
. s' y. U+ N4 L9 x- k2 i end;$ k$ b* h. `, l) C
如果分支比较多，用：2 b/ }# u3 ?' O6 x# `- }0 e
inspect <expression>, r7 E3 D9 w* o* v1 S1 c
when <constant_list> then
/ w( B+ V4 M2 k <statement sequence1>;% V1 ]6 ~& s# W" o/ y v0 U
when <constant_list> then; A# P0 H9 v, Z9 }$ p9 d3 W1 w
<statement sequence2>;
" L4 H3 W; ~: T# [$ o ...
B$ e+ t7 W& b9 { else) l) e' R9 ?: J! x$ [& ~
<statement sequence3>;5 |' `, A: a5 f, o/ y' i
end;
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2循环语句
3 C$ E5 d+ Y2 H$ { (1) from <statement sequence1>6 p# `( e2 S" Z r6 z
until <condition> loop
- p2 Y" l& i$ m. a) N <statement sequence2>;
2 e4 y. ~ e. R" F+ ~, Z end;4 ]6 } S9 _* f2 c
(2) while <condition> loop
/ W! G4 n9 ^$ j3 I J <statement sequence1>;
- X G7 W% H* i% B8 e8 S, | end;
! g( N% x4 r7 T) w" B6 H; D; N/ n (3) repeat
# J! P6 e- ~) q( p/ x8 D <statement sequence1>;" U2 L7 P% `7 d' R) x2 Y5 ~+ P/ i4 m
until <condition>;
' G( S J( {# t( }( S (4) for <condition> to <condition> loop
1 Q& ] e; j2 e1 H* G, J <statement sequence1>;; B" W7 D9 g" c. V0 r @( h
next;
) R, ]# w" @3 l1 s0 Z4 y" u6 P3中断语句
+ r& N6 o' F/ w; F& E( o waituntil <condition> prio <integer expression>;
G8 ~% m. A( v1 m; i- y0 t7 n: m5 m- v* `
. s% A1 }6 E: \% e& g+ k以上为常用的函数！* h- M. y, R' J' b4 v; O
还有很多，如有需要我把资料发到你邮箱里
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