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发表于 2012-11-13 08:48:12
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1判断语句$ L, C$ H' D! f5 X
if <condition> then( z: t4 E6 R) p: N4 |) } c
<statement sequence1>;
8 s6 |; j2 ? S; `" |9 |% b% o elseif <condition> then6 M6 Q$ Y) L0 T' l8 Q/ A
<statement sequence2>;
7 ?. o6 f: B, S# C& F; q% i else
% ^# V5 S6 b1 R& z9 Z2 w <statement sequence3>;
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如果分支比较多，用：1 V* a8 e/ {4 ]9 y Z% s( r
inspect <expression># N% @" d c5 r' H- ~
when <constant_list> then2 @5 g! \7 F, H
<statement sequence1>;
3 U t* N k- w* u- p when <constant_list> then6 o' v- c) _3 M6 _. O7 u
<statement sequence2>;
' s t, [# k. T, }# s) l/ M" J& V ...
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<statement sequence3>;
% z; _9 d/ [4 w1 F& }- ]: U4 uend;$ ]4 y( p) O# R# b
% x9 J; g' y" f1 {
2循环语句( v+ u6 c+ R! x+ h7 h: n
(1) from <statement sequence1>
9 ]8 W1 ?9 T: L* e% z3 r& v0 \ until <condition> loop7 t! K/ d1 L/ H# e+ B, f
<statement sequence2>;1 v3 j! n/ T5 m" }
end;
2 X) {2 T3 [9 m (2) while <condition> loop
/ U) j& }" F- I' _; O7 n$ U <statement sequence1>;8 _4 t1 v( B5 t( G% v! H
end;
: C+ \; N" D+ }! @ (3) repeat
' M0 ~8 I# Y# h- D7 T1 U( X, A <statement sequence1>;
6 i( |, A0 d a until <condition>;
5 _/ l6 i# F* C (4) for <condition> to <condition> loop0 ]; ^: X, O7 p* |! r) h* y
<statement sequence1>;
/ T- X" M6 {" v* i% ^ next;
. T" P: U$ W$ ` t3中断语句
( d) i3 p( T/ ?; d1 h* d- ~9 M waituntil <condition> prio <integer expression>;
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以上为常用的函数！: [6 v" T1 G v; r* ~1 Q, G
还有很多，如有需要我把资料发到你邮箱里
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