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发表于 2012-11-13 08:48:12
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1判断语句
q4 I& M5 `! @% k6 s7 z if <condition> then8 M4 l( [9 N% Z
<statement sequence1>;
9 i7 h8 Z1 y& e& q5 q) k elseif <condition> then) w6 ]: |4 J; l' L$ O. @
<statement sequence2>;, A* \( {: K+ Y8 L5 E3 q
else
+ S9 [# H0 T0 C3 O8 h! w+ I <statement sequence3>;5 ?; v0 N: h. H& p! k: J$ v/ t- |
end;* X; e k- z# G7 A( G) p
如果分支比较多，用：& N0 V. u9 s: t7 y% F% l9 J9 I; `
inspect <expression>
: I- N2 }$ c2 V4 r$ i. Y- u when <constant_list> then. b. q( H( i+ V* D3 n
<statement sequence1>;) l+ \" A2 `- v5 y) ?/ C) C+ z
when <constant_list> then
, K9 N% D$ p0 z5 s, h <statement sequence2>;3 e6 s3 F a& S7 a: |
...* _7 T3 e* ^& {+ k7 m& t' d
else
2 L* B, G, u4 |# g2 P. P, { <statement sequence3>;
8 i8 l8 M' Z# a8 y* k. ^# yend;
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2循环语句) v9 D7 P: a- N1 b, F1 I' [
(1) from <statement sequence1>
" j6 z- e: j0 @- A2 S+ Q until <condition> loop
/ D7 ]) ?! b0 H: U5 ?% Q <statement sequence2>;- @; u) a6 L9 R& j' G
end;( a& g; l" g; ^. z2 {! h
(2) while <condition> loop/ G0 v3 n1 i% F" a! D* s- h7 w
<statement sequence1>;& f! p/ x+ F7 V& R$ t, c' y. H K
end;
% H" L' n' Q: L! B/ [8 { r7 l9 G (3) repeat
( M, f" [4 G7 x2 S2 [2 S4 ^ <statement sequence1>;) N5 S& D' y& y$ O4 s/ H
until <condition>;4 Z' d( W$ R/ {) c1 \# z
(4) for <condition> to <condition> loop
4 s3 x9 d) r; S3 _+ K* _1 s2 k+ Y <statement sequence1>;' z# X0 L7 N% |/ W) D' Q
next;
7 B. O" i C& s/ `3中断语句7 H: o" o' W" B
waituntil <condition> prio <integer expression>;
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) E) e) ^" L4 O6 v1 k以上为常用的函数！
, x% q4 o! X" @还有很多，如有需要我把资料发到你邮箱里
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