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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
: l3 [3 U) t( u' l if <condition> then: J; {6 n. s5 a1 l' B
<statement sequence1>;
6 I1 X# r. ~5 z/ _" k elseif <condition> then
, m" s& w( r; w4 I5 z; z <statement sequence2>;
9 q) w* p8 y Z) z else
2 T5 C4 k4 Y8 W) L- U# D <statement sequence3>;; N" p2 C' K6 C+ \# w
end;
% V6 t) X- w; R" y% i8 g如果分支比较多，用：6 z3 X& A- g: v5 ^
inspect <expression>
; {6 G) _# f! s# _% W% J when <constant_list> then7 e: ?1 ^( B' ? j3 B5 O8 |
<statement sequence1>;
: Q( D1 C1 K U when <constant_list> then
& }3 q2 \ ^- @3 q, ?$ R <statement sequence2>;& a; i$ F+ N. k8 k, M
...
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<statement sequence3>; O/ r z* B, L/ _6 I$ S
end;
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2循环语句
9 Y, C9 |' t8 }+ A8 K) y! N8 B (1) from <statement sequence1>2 |' X% `2 D, U+ d( |* Y- [8 I
until <condition> loop
0 h, O }; h( n7 V9 m' A <statement sequence2>;' ], x3 a# H# [ M& r) C. M& j+ q" F
end;/ P6 |/ ]; A1 n& V+ L2 v O
(2) while <condition> loop/ P) x& X4 }, a. U2 w1 g
<statement sequence1>;6 Y( ^. E; `3 L' A* ]% l" u
end;
4 i' ^' \, A" O; P! @7 C2 y (3) repeat & p2 i* l- J, J$ G
<statement sequence1>;
) ^! i6 Q; c! P' [ until <condition>;
0 C$ j& k) M2 z$ l" z! m" g* [ (4) for <condition> to <condition> loop
9 S+ @' B9 C( c <statement sequence1>;/ x4 Z3 S# l8 E- D# U
next;3 A& \) n: ^6 d1 \$ }* D1 ~* z9 u
3中断语句4 H* Q7 h0 ^# X* k/ c
waituntil <condition> prio <integer expression>;, V/ e: B2 A; Z8 ?
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6 U8 g2 e$ G( ^2 ?- z7 h9 O5 p以上为常用的函数！
9 o* [9 e% o) D4 j; K. e还有很多，如有需要我把资料发到你邮箱里 $ ?' N$ T. F: V4 @/ V
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