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发表于 2012-11-13 08:48:12
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1判断语句) H3 C7 D/ m2 n$ v( f9 \+ L' e
if <condition> then
1 h/ p Z; u7 Z* u6 w' J7 B <statement sequence1>;9 n4 d- J; R; I4 s9 D4 _
elseif <condition> then2 v# }# R) i1 z2 {+ C
<statement sequence2>;; v% i% R2 K$ M% C& I
else 1 T# B. B$ D) P& t; Y
<statement sequence3>;
+ x' k; R. a. o7 J end;
; K( z8 @( E" y1 f% O* w如果分支比较多，用：
! T9 {' R$ ]' B! E! x inspect <expression>
# r9 o: Q; V6 N4 B4 J) b when <constant_list> then
. n/ O' q/ n) ~ <statement sequence1>;: f! B2 Z9 n; B5 _/ X/ F- o
when <constant_list> then
% b& d" n% U& Y1 F <statement sequence2>;
: \* q4 \9 G) \$ J O ...
# |* |* x1 E$ S7 s' o) m else
1 P7 X% x: @1 [* q8 |" | <statement sequence3>;; O8 d2 {) } Y) @# m8 {
end;! Q- Q, @. C! T3 A0 ~' R, N
# i7 ?1 \/ |+ U; I$ e, R2循环语句
+ z2 z! Z# T/ u! Y ]# g# j3 q7 A (1) from <statement sequence1>
5 Y3 x" g% G6 B4 K until <condition> loop2 {6 {# ^( f, w2 d1 F$ I
<statement sequence2>;
1 U9 p0 p' C6 l end;2 n# R9 G7 c2 R; e! `6 e
(2) while <condition> loop
% w4 w, ^) c: R* r2 d2 q4 n! l <statement sequence1>;* U2 w# I1 D* c
end;4 z/ ]; E& R$ c+ P
(3) repeat
& L/ S5 L6 _0 q( w9 o <statement sequence1>;& c" ?7 o h& v
until <condition>;
' x6 f! x$ Y' s l0 N (4) for <condition> to <condition> loop
# J& d$ m+ g( C7 ~6 H8 M3 c, d9 z$ W <statement sequence1>;5 b+ x1 n9 A3 C% }. v u" _
next;- G$ T2 W3 j# p3 g' t
3中断语句* c! A9 ?# F! J/ a2 n* Z8 o
waituntil <condition> prio <integer expression>;8 @% w* b$ \) @
8 m4 Z) V" h& A# _* x, a, u/ ?
( l5 } X+ a2 o e9 k; _( h以上为常用的函数！
$ \, S: j) m% U) u t还有很多，如有需要我把资料发到你邮箱里
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