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发表于 2012-11-13 08:48:12
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1判断语句
! Z8 o. y, y0 ~/ F& h( o8 i8 U, | if <condition> then) t0 p! {7 F6 F( z. k# y& {
<statement sequence1>;
e% K+ J' o1 ]2 @- G1 V elseif <condition> then
0 E) C1 j: T. d" ?! R0 d& x+ [9 r <statement sequence2>;
+ V( S4 _3 B4 S* \5 m# ] else k$ y( ] D: f0 A( Y' Q+ \
<statement sequence3>;: W2 b- V1 O; Z5 }" t
end;$ D1 @, U$ H" T
如果分支比较多，用：! I( B' L) _7 m
inspect <expression>& {& S) l+ V' c9 H
when <constant_list> then/ }/ A) O& ]' y: z" a2 y5 n
<statement sequence1>;
7 l g$ T! R! J* c, b2 s( Y0 L8 ] when <constant_list> then
# B ~" l4 I4 V$ p <statement sequence2>;' X' V- H. ~, [# ~, `+ c
...
2 w6 N( x: @, `5 @9 g1 G else
2 q( ?% O$ b: F6 ]8 w6 r <statement sequence3>;! M: k1 O7 {% }
end;
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2循环语句5 t. W6 r9 a: C. a
(1) from <statement sequence1>
9 l) k' g4 X& b! T4 w until <condition> loop5 @0 t) k3 `" L6 V& J. n
<statement sequence2>;
: u5 M3 o/ u7 Y o2 M4 F r6 T d end;6 U$ `0 p- R/ l9 K( r
(2) while <condition> loop6 Q! T+ t$ S G" G0 o# T
<statement sequence1>;
$ g. m. j; c T7 h' D* g+ W end;; K6 E9 j+ s0 O$ l, i% ^( ]
(3) repeat / Q8 A' \0 O) ^
<statement sequence1>;4 p1 t6 ^- i7 n, B& E' v
until <condition>;
, Y) i2 B. ~6 O k: G d5 O (4) for <condition> to <condition> loop
1 M; V& A# Q" [3 X3 ]- ^$ F b9 O <statement sequence1>;+ l! Z8 }" t: K# f% O/ y) v3 w
next;
$ r$ n/ Q& F( g+ j5 z1 x$ ?3中断语句, O, M m) R' j7 t
waituntil <condition> prio <integer expression>;8 A a% `7 q0 b" x# F2 c# L
2 {" H8 h# P* P2 b; h
8 s# @' t1 C/ y: ?- U0 c以上为常用的函数！& D& P) ^% _' p% F
还有很多，如有需要我把资料发到你邮箱里
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