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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
3 t2 ~% q- Z- u1 ^6 i, C. L) ~ if <condition> then
( c% A& y2 C* n1 r. H <statement sequence1>;
T; o8 B0 M7 N4 N; o$ i% H% p9 C elseif <condition> then
4 W& Y+ v& p+ C; R <statement sequence2>;- b1 u3 q; E7 a' @
else ; h9 _ h3 \, d2 `4 G0 j
<statement sequence3>;+ o$ E+ e* f! U5 \
end;+ C# s, z A% r# U' Z. w( ?
如果分支比较多，用：( d" b9 p- T2 } y
inspect <expression># v2 {0 @+ m' M# V5 b: m( k G# ]
when <constant_list> then
2 D0 G U1 s4 W <statement sequence1>;8 R6 l( O5 N; h; T- B8 l7 |+ P
when <constant_list> then' _- w }) d/ n- `# B
<statement sequence2>;. f/ u7 u/ P) d8 m" c
...6 @0 g8 t9 L* f5 D
else2 J" ~0 }5 H* K& `' z
<statement sequence3>;6 B: z8 |9 Q1 C- j
end;
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2循环语句
! c2 W2 |* d* Z1 I6 m+ k (1) from <statement sequence1>
4 ?. c' e- Z3 ~: L) n' ^ until <condition> loop( c0 l! I g0 ?/ |( j
<statement sequence2>;% p a4 e, ?7 K# M1 ?) c
end;
% V1 p% B/ y4 p1 {9 W2 I (2) while <condition> loop$ U; l6 d! ~, T4 o
<statement sequence1>;
: P: h0 K, e& ~1 q$ b end;/ \. K- Z ]# [
(3) repeat # B3 g7 _* G* D: Z- t
<statement sequence1>;8 f/ [5 E0 d, _& F& y. @! u
until <condition>;7 z+ i$ R( T2 |* A3 _
(4) for <condition> to <condition> loop
. z( F( U) }6 T <statement sequence1>;
' _7 H4 ?4 T# y( q \/ ~5 ^ next;
, p `$ I. x& K1 C% T; z3中断语句
2 r8 z: e: L" L6 L, r/ v& q! Z- { waituntil <condition> prio <integer expression>;
2 {. h4 R$ E! [5 T K1 {/ g% n) J3 m4 Z1 w3 Q2 o
/ K$ S$ t9 R& }以上为常用的函数！
* k8 T7 x3 i+ L9 E8 C4 N+ E还有很多，如有需要我把资料发到你邮箱里 + G& ^" S. t- @: w' \
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