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发表于 2012-11-13 08:48:12
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1判断语句, l1 k4 `+ ~9 \$ ^: o
if <condition> then
% @7 y1 D- y1 v! K3 H6 } <statement sequence1>;8 N, _0 P* }# F) b' t9 _. T3 l5 w
elseif <condition> then. k% k% k. Z' p. [/ b
<statement sequence2>;2 C9 @2 ?: U( x( B; z/ y2 W
else : \3 j& U7 t0 x; I
<statement sequence3>;
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如果分支比较多，用：3 ~2 b* n) w! R$ d$ S3 {
inspect <expression>
+ s- g% U! d% f/ j+ ]( J" N when <constant_list> then
8 C" [+ K8 q8 R' T$ r0 B; V. g: \ <statement sequence1>;( C4 l, |5 ^$ s0 `& i8 S
when <constant_list> then. R B: L1 ]) }* `- ^
<statement sequence2>;
/ S' e4 Y7 d: a- V, u" t ...
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<statement sequence3>;
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2循环语句
' |4 v" Y; o3 u3 J (1) from <statement sequence1>
N. r/ U0 l1 t& h8 E- F4 S until <condition> loop
+ g1 _4 ^6 e' Y! p4 A) R <statement sequence2>;& q* J' V# R: G7 S7 h$ _8 k
end;% n9 x; X' {# A
(2) while <condition> loop7 F2 K! m0 u$ A# \# k
<statement sequence1>;, \4 B. t+ e% ^/ B! Q
end;- \% y G7 f+ [1 V+ u
(3) repeat
9 n! v- i/ v9 q& C' H# M <statement sequence1>;. {! T; q" W& c4 Y/ O9 V
until <condition>;% D, c) ~9 Y0 N% A
(4) for <condition> to <condition> loop
9 s6 |! w3 e- j1 H <statement sequence1>;
+ ~$ K* _ k3 \( E next;* ~% b; b4 U7 l$ a) w0 ?! M) C
3中断语句: O" {7 m0 K: h+ O6 b
waituntil <condition> prio <integer expression>;4 Q: [# n, T! n( J3 c2 A
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& S- M, S7 u7 v以上为常用的函数！
$ u0 D8 i6 h1 y5 a3 B( ?还有很多，如有需要我把资料发到你邮箱里
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