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发表于 2012-11-13 08:48:12
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1判断语句9 p* {+ G8 Z4 }& z/ Y- ]
if <condition> then
. l. ^' A( V, N8 Y; F8 v' o <statement sequence1>;) G- \( P: p; k
elseif <condition> then
U% B- {( K$ K! I/ K* g9 Z <statement sequence2>;
0 I8 Z% y; _4 [% k) n. ] else 8 q$ @; H# P$ ~8 I) u1 }3 Y9 |
<statement sequence3>;: p9 {8 D7 H$ N" \% q! r
end;
1 k; t. }) b- b& g如果分支比较多，用：; C9 k$ n' Y7 f* _: V6 H
inspect <expression>
8 f( S; S* Y' x) a1 K when <constant_list> then
& y; J& ]. B- e) [ <statement sequence1>;! X1 D) H% T4 f
when <constant_list> then9 m) o" V( [, [
<statement sequence2>;
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else
+ H; I0 t# H/ ?! }1 ^9 E <statement sequence3>;
$ c& a1 l$ `- B, T# t5 ]end;) A5 Q" b, b7 Q3 [9 ^# ]! w/ @ J
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2循环语句
& A0 ?( p6 E+ R- Z0 q) n( k( ` (1) from <statement sequence1>8 b1 _# i; k. o5 @2 a2 p
until <condition> loop
/ a- T4 c4 H" }3 ^ <statement sequence2>;
; k! i# B ^6 M! ?. G end;
0 [3 _" b! W3 M1 D- ? (2) while <condition> loop
|1 v6 D: H# _) d# d <statement sequence1>;2 ?) P- K2 S" o) e8 O1 F5 A
end;- M% `1 o: T" N0 I, r
(3) repeat
; ^* Y; t; W1 X0 T( s, F <statement sequence1>;/ O$ ]) O1 v# s5 y0 H
until <condition>;' E0 H+ e3 K* t! ?: p
(4) for <condition> to <condition> loop
$ ?, k& ]( X4 r f0 R <statement sequence1>;
7 B' L5 ]0 {6 W* N0 L7 S2 |0 E1 A next;
6 C, d3 u7 G" j& _; j3中断语句
" m) z0 |% Q9 [6 s4 ~ waituntil <condition> prio <integer expression>;
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0 Z0 K0 E5 H4 u# L3 ^0 \! u+ e1 z; N以上为常用的函数！
1 Y$ s; u: y6 d* ]还有很多，如有需要我把资料发到你邮箱里 $ A6 A3 \5 e# n! l$ J: ?
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