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发表于 2012-11-13 08:48:12
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1判断语句
8 U* M2 V# Y4 @: r5 I if <condition> then
2 E4 d8 T8 Y+ q! O1 _' \* \ <statement sequence1>;
) b' b- N& r8 ?- G* A( h elseif <condition> then6 z1 G8 L% z1 e: ^" K
<statement sequence2>;6 z( |* Q: B; k6 g6 o2 T
else
$ L- q r9 ]# ?- {0 u <statement sequence3>;
# F/ f2 k, `! |# L3 y/ ~' H end;
7 I5 J7 H% m, @1 x5 h如果分支比较多，用：9 w- z- Y5 ]! J; t- p
inspect <expression>
# a u* s% L6 R* _ S& v2 Q+ } when <constant_list> then2 j8 i4 q- s- R/ g0 G) ^
<statement sequence1>;
9 V7 }; w N/ I k when <constant_list> then' T; A. I0 h3 ^% N
<statement sequence2>;1 S' o4 I d! Y
...
$ I; L2 A/ F5 p0 b else
- E- h4 u, j+ M( e <statement sequence3>;
. ], R& t' q$ n ~2 d! oend;$ S4 m1 Z8 f' d1 }3 T+ h
8 {5 B& Q& g, G
2循环语句1 c" ?& Y7 a% ]/ X0 d
(1) from <statement sequence1>! r+ ?7 t: N4 G; D9 G
until <condition> loop0 K. C4 `2 ^! n5 i* p) F: U. ]8 {( I
<statement sequence2>;: r' @& w; K, q: `9 _: Y* M( G
end;
: X. T- J" M4 V" \ (2) while <condition> loop. G2 v% M5 k7 y* c- j W+ d
<statement sequence1>;
- n6 J# a2 w" ] end;
% }$ H8 s2 N2 Q* H% T$ _" s (3) repeat
6 K. ~! P3 q5 _" ~2 g' W w <statement sequence1>;
7 Q* U- }- B, N9 m: O) u d% V+ Q until <condition>;/ j/ S: H3 A/ o) c# M
(4) for <condition> to <condition> loop3 M( o$ o9 F; R; B6 Z$ E
<statement sequence1>;) P, m! F1 } L: ^6 K f
next;
; u6 J3 D$ L0 J* v w3中断语句
8 Y' X" t' M$ p waituntil <condition> prio <integer expression>;. Y6 T' G2 J2 n# I: k3 X
$ |) r1 X# D2 e: |) B" W$ {
( \' {& E3 I4 r$ p9 a以上为常用的函数！
6 Y0 G2 c, C3 X( h. K还有很多，如有需要我把资料发到你邮箱里
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z: d8 `7 h' d" j( i8 {6 q; ^+ F& d. i) t6 y5 }
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