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发表于 2012-11-13 08:48:12
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1判断语句8 R$ L8 E8 R7 h$ L
if <condition> then
% F' E6 ^2 n, z; [. _, D <statement sequence1>;
' O1 @. Z2 ^( j& ` elseif <condition> then& e5 p; S5 T. |% z% F; @7 J
<statement sequence2>;9 {, C. y" N; }3 D
else % H- y' x: b6 E0 `8 ~" F; L/ Y
<statement sequence3>;
- g! a, _$ I) i6 q' ~8 l end;
+ v' l( l6 j5 s6 h, g5 u如果分支比较多，用：' L/ [3 R& ?. D
inspect <expression>; W; |0 H& ~% ?2 R- _7 ^* R
when <constant_list> then
3 z: e( B b4 U9 ~ <statement sequence1>;
$ E0 W/ P# v0 { when <constant_list> then; j3 g+ j8 Q$ x' l
<statement sequence2>;0 {, ~2 D* i0 g. Z) P
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else
8 f( k2 m6 |) |( b1 O <statement sequence3>;& e5 N a3 V0 V3 t$ W
end;
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2循环语句
" c A2 \% B; | J4 g' c# V* j' l& j (1) from <statement sequence1>$ y7 K2 ?' x8 k6 D7 K5 {! r
until <condition> loop
2 t9 {1 n; o) ]! g1 E) U4 } @ <statement sequence2>;9 h; |8 \- S$ C |' T
end;$ m6 B2 ?/ o; V' s( Y0 f. r8 n
(2) while <condition> loop' H* }4 m* r: U
<statement sequence1>;% l. _$ t* L: o8 x
end;
7 U/ m4 S8 |9 c: l a2 {' L0 F (3) repeat : |$ Q! K) |$ G- b8 c- s
<statement sequence1>;9 E& l# y# X6 X2 I
until <condition>;1 A5 `6 c9 d7 f0 M, |) b& s
(4) for <condition> to <condition> loop, I9 H& I% E& B2 [# S! C
<statement sequence1>;$ i0 Z+ B8 t+ K* P* u* P, u. h
next;
+ y9 Z3 m/ `5 A1 U7 d3中断语句* f2 I$ [- a7 R# T$ A( r
waituntil <condition> prio <integer expression>;4 i% ]6 C! v& A# X7 ^
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' N) r" D2 B6 E" D以上为常用的函数！
% ^6 S+ [& ~% |. X9 J4 `还有很多，如有需要我把资料发到你邮箱里 % M) n5 e9 L5 ]. T) [
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