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发表于 2012-11-13 08:48:12
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1判断语句( ^ n4 q( X Q7 f" G. {8 }7 @1 \/ P
if <condition> then1 O# [: v' v, h$ C: _" F6 N
<statement sequence1>;
- a9 `6 J9 d9 h- d ? elseif <condition> then
( N4 d0 P/ O2 W' f <statement sequence2>;$ o( |& h# O8 ~ q! l: Y$ B
else * m% c. o4 k2 c; L
<statement sequence3>;
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如果分支比较多，用：5 {3 z7 s. k" j/ H' V+ ^
inspect <expression>
( K0 _* T3 G8 f when <constant_list> then' @% G. \) s3 s& o3 L
<statement sequence1>;) k; Y9 U3 s& j
when <constant_list> then
: m' M5 x1 H3 G, p <statement sequence2>;( d! F' ^* l( ^$ w
...
( Q# _" P) L$ }, |$ C: Z else
% ?- O4 l5 \. D2 b) V1 s7 z5 P0 C <statement sequence3>;
# d* Y8 R2 P5 m% C5 Fend;
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1 w9 a' d$ q% F' t1 Y8 P7 x2循环语句
) p6 R7 E, s( i9 d (1) from <statement sequence1>
. i1 J# y5 Q( y. m% ] until <condition> loop
3 m0 _8 n9 Z5 |; o) ?9 N$ | <statement sequence2>;
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(2) while <condition> loop
& s8 h3 {" j9 h: P* {; y <statement sequence1>;+ V/ w* G1 V$ d- c
end;
. @6 v) c; m6 n) X1 B: J (3) repeat
4 w6 c3 f( T3 O3 r <statement sequence1>;7 L% o% ?& c" ]
until <condition>;
3 W7 s; m8 V9 v: b0 p (4) for <condition> to <condition> loop7 o, ~. h2 ^+ L6 w" T* l( d9 ]' {. }
<statement sequence1>;1 {7 O+ q- x: t
next;0 E# q) C) J$ M/ f! P
3中断语句
, f4 O6 z+ E# c8 }! I waituntil <condition> prio <integer expression>;! v. G3 W+ S0 n2 q/ Q
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以上为常用的函数！
& J4 B2 Z5 h, Z还有很多，如有需要我把资料发到你邮箱里
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