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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
: u4 ~% b0 @' O9 S$ N# c if <condition> then, p/ v1 K [# Y. q. }+ u( o$ B) m
<statement sequence1>;, ]; w3 ^7 _+ v
elseif <condition> then
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else
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end;
5 g ]- ]2 ?" T( ?如果分支比较多，用：" N( g `0 P; J* B* M" D* c6 b
inspect <expression> f5 P; L/ W" t9 Y
when <constant_list> then
8 ^1 }0 e) A1 s8 _9 }5 N8 i% n1 a z <statement sequence1>;
. ^' D! l- t2 @+ v' K( w2 n when <constant_list> then
! ]/ J. c" a# K q& ~$ t <statement sequence2>;
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5 S) a' X5 r" x9 n9 U I, x M else
1 w1 M: ?! E1 C7 _- r% U* d/ S <statement sequence3>;% D2 \2 F0 ?4 y4 c, _
end;% z b0 d% {& @, |8 n
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2循环语句
' N; }, a% S% v( m5 n (1) from <statement sequence1>' d, M8 i* F& s3 ]) j
until <condition> loop" e) c2 C1 y4 S& w+ c4 H2 W
<statement sequence2>;
: [3 b9 I# O1 |3 z& q3 Q end;) V# w. s1 P& N8 b( I" }
(2) while <condition> loop: b" ~* I- P% A# ]' s5 U
<statement sequence1>;
8 o2 W5 t' h( T7 ?. f: ^ end;
: O# q& @" \. t5 F% y (3) repeat ' e6 Z% X I" ~1 c7 c
<statement sequence1>;9 [- k3 _8 ?0 G- l+ M& k8 I! r
until <condition>;" L0 v: C( D3 I* @( o/ Y- j
(4) for <condition> to <condition> loop- h F$ z2 w/ b) e. X9 b5 `; c
<statement sequence1>;
7 a8 w& [' ] W/ D. Z9 R$ m7 x next;
5 `" {* Q- m# s3中断语句
# l g; F! W6 h L: Q2 D h+ e waituntil <condition> prio <integer expression>;! C1 ^* J) f" u; t# m o
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- [# X" ], }' }- P以上为常用的函数！5 R9 a! R8 n& v8 o2 Y4 z
还有很多，如有需要我把资料发到你邮箱里
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