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发表于 2012-11-13 08:48:12
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1判断语句! L( \1 N% n. v5 }
if <condition> then, b& O0 u) z- l0 ^6 B# X) c
<statement sequence1>;+ x' K `5 }- Z4 a0 ~) T( x
elseif <condition> then- |% u$ A( [5 @8 z
<statement sequence2>;
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<statement sequence3>;$ P. w& D' a5 q% N$ B, V" z
end;3 V( L7 Y, ^0 `5 _5 P& D
如果分支比较多，用：8 V) H0 T3 Q4 N' x$ k: i* D9 }
inspect <expression>% {6 n) Y% X& u; n! v T1 X- y
when <constant_list> then
. `6 _" [/ K% q3 w8 _ <statement sequence1>;
b; ` R1 d9 v. N when <constant_list> then* H! A& z1 R5 k
<statement sequence2>;
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<statement sequence3>;5 i( n0 |( g% ^# l
end;) ~6 ^- C7 y3 C' w7 U# y) M
, S9 e! f: R& S6 z& e7 `2循环语句4 T3 O0 A: ?* v* ]
(1) from <statement sequence1>
3 ]. Y! [2 r W' |1 X% ], }3 e until <condition> loop
7 a9 R' M1 J1 b7 B9 V <statement sequence2>;8 R& S, {: T$ G; \& S
end; Q7 P* B3 ~% i" I$ P
(2) while <condition> loop7 `. k. N! Y3 i& D0 r, |
<statement sequence1>;( _7 y5 u z7 R$ O6 u `0 N
end;1 n7 [: B {3 M
(3) repeat 3 @7 w! S) `7 J% N# Z
<statement sequence1>;8 Y2 t2 i( [! P' G9 [( c/ c
until <condition>;9 Z: n. ~$ l8 |7 c/ \' T6 q; q8 s
(4) for <condition> to <condition> loop* \" \6 r/ {( H1 \' n; }* k
<statement sequence1>;
, T1 O* j- t8 F S. b. a, G2 _( B7 @ next;, C. A) _* o5 }
3中断语句! k2 z; N5 x% s# n9 B3 U. j8 A
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
: D# I k9 p; N7 Y0 m还有很多，如有需要我把资料发到你邮箱里
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