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发表于 2012-11-13 08:48:12
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1判断语句
+ X* w1 g& P. a' ?3 g* O# E if <condition> then
/ [5 f4 D7 f6 W# R5 S# G) ] <statement sequence1>;
: j5 C7 k5 j4 T. c elseif <condition> then
! P" K# X( p1 ?$ f. q' _5 }$ r) E <statement sequence2>;
5 ]0 m6 _1 n' B, d" ]0 i else
8 F+ L8 e- x$ \1 ^* `. J0 w7 F0 S <statement sequence3>;
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如果分支比较多，用：; ?0 Z% g* C; \! u6 }5 V& p% g
inspect <expression>% N3 s' c1 m/ h( Q2 e% H0 b
when <constant_list> then
6 E q1 W) i$ c/ D <statement sequence1>;
3 m2 R! a o" L3 j$ Y# E$ ` when <constant_list> then1 Z/ v5 D0 T/ W" M7 [( ?& T' L3 h
<statement sequence2>;9 X4 F( V* E# o1 \2 g
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else$ x2 v7 J& w# z1 F) S) ]. W
<statement sequence3>;) ^3 j* M8 ?$ ^
end;5 U2 Q; p/ C0 O( D: B& r
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2循环语句
8 F; a/ m# h2 M* H) V (1) from <statement sequence1>
5 B+ x& x0 y, ^( t/ H( Q1 X until <condition> loop c5 F( H- x! ~
<statement sequence2>;+ j4 L9 ]8 I7 Q# m' }
end;
( S9 J, m' v1 q7 I+ d+ y, ^ (2) while <condition> loop: p9 i' H0 @( Q* p1 j
<statement sequence1>;# W6 R# N- K/ q/ y$ M' t
end;4 a$ ]: @$ x0 c! Z
(3) repeat / X; D& d( D- ^9 m
<statement sequence1>;
; m; X i$ ]2 A0 F9 Y! ]8 ? S until <condition>;) ~0 y" q% z: B( [
(4) for <condition> to <condition> loop P$ c. B0 S2 {# r
<statement sequence1>;
- e. V$ a, y. t9 w next;
& I9 |5 d5 S( E V5 ~( }3中断语句# c9 e* A. M( X6 o, F
waituntil <condition> prio <integer expression>;
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以上为常用的函数！! x6 n7 q- Q/ Z- N
还有很多，如有需要我把资料发到你邮箱里
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