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发表于 2012-11-13 08:48:12
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1判断语句
! I' w, k' H; g9 {( z4 |& \. Y if <condition> then
8 [4 Q8 b. H' `7 E" m <statement sequence1>;
6 J+ Y) ~4 ?0 A2 ]/ T8 L- V2 t elseif <condition> then2 z2 o: k& h- _( \) c' o/ @
<statement sequence2>;
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<statement sequence3>;8 P7 ^$ m0 T* u. z) V+ S/ \9 X
end;, M5 {" `4 B ?: @1 U
如果分支比较多,用:$ V/ l. ^3 B+ ~) |
inspect <expression>
# e$ W, u: q t/ m' H$ C7 a% |$ H+ o when <constant_list> then5 Y* F& @! R4 s: f' Z
<statement sequence1>;9 I, P* Y. B$ |; d1 b! E1 E
when <constant_list> then2 l7 M# |9 ~; s2 S
<statement sequence2>;
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4 D4 W+ R) b' R8 B else
0 e: c8 x. |+ K- w <statement sequence3>;
1 a8 O( Q; x; D0 Mend;
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( e3 m3 n4 J f0 q2循环语句
' y' g& y$ ]1 b0 y: A& s (1) from <statement sequence1>- Q. _( N9 d. e& w2 F- c
until <condition> loop& [! Y9 y8 F9 u! ]
<statement sequence2>;
5 M; ]* B, c( h r# H3 ^. F end;
7 u% ` v: V, R$ ?% k! _ (2) while <condition> loop U2 ~# f' P# j. Q) x
<statement sequence1>;
2 e5 R$ k/ M( F7 J$ V" Q# ]4 B end;2 d( W9 W9 z: B- j1 {
(3) repeat " h+ s$ B6 F# a
<statement sequence1>;
e$ s$ Z+ H5 j until <condition>;: x- q9 [( F+ j0 {* Q, M
(4) for <condition> to <condition> loop5 ~* D& R' F7 w. q {6 `8 x
<statement sequence1>;* f: b% n6 I8 X& k
next;
( h$ h$ R" p- z) y9 n% b3中断语句
5 [# C. ~# c" L" S& z/ ~1 h waituntil <condition> prio <integer expression>;8 m- ?# E$ S# n6 p4 e" k
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以上为常用的函数!+ G3 D0 I- f9 E# Y+ E6 k
还有很多,如有需要我把资料发到你邮箱里
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