|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
R3 h- n9 J# ~ }! e( @" r1 V+ l if <condition> then/ Q5 c) k( H6 ~# N
<statement sequence1>;# b: K/ Q; ]) W2 g6 l
elseif <condition> then2 q7 q- w2 Q, x, v5 Y! \
<statement sequence2>;3 Y- H, Q$ O7 h' j/ J4 Y
else
/ ?% T" T7 }, d. i9 d <statement sequence3>;
& v7 R+ K6 |% M% x4 }6 H2 S end;7 y6 J; `$ f0 s9 ?% S
如果分支比较多，用：
1 E1 B5 A! K: Q4 q; G# ~, V5 H inspect <expression>+ n7 G: r, Z+ U5 D5 e+ w4 O% }
when <constant_list> then
% k( G4 {% U# [& W <statement sequence1>;! }1 X+ _' U4 @
when <constant_list> then' r: R; C3 s; p2 {. t0 F( @/ N
<statement sequence2>;
3 r' p9 z# q. @2 S6 S ...
, }- B" G; O2 H/ | else; g+ `1 L, x3 n. j$ ~
<statement sequence3>; Y9 k. F* w% T3 M0 K$ E" }
end;
6 v; n2 D) V8 F7 y3 e+ ]2 j1 u' K, t0 t% C& o
2循环语句7 D3 G; p# J7 V; A: h0 L8 f
(1) from <statement sequence1>' Y; ]& \9 [" t% O; g- v! s
until <condition> loop3 o+ P+ S$ M9 b: l% L
<statement sequence2>;
, M0 z& X3 R/ z! R( [) V end; i1 i& \5 }7 ?1 }5 }) A
(2) while <condition> loop1 l9 R* U9 ?' R5 k2 o, Y( L
<statement sequence1>;( T ^, J u( @- R' n3 O$ d% ]
end;
8 C1 A3 B. Y3 o$ a5 s* R (3) repeat : C [* t9 V- P& K, T0 _
<statement sequence1>;$ ^/ e7 {$ H g" T, _
until <condition>;
& `" }4 _$ y% e) S" t" E6 t (4) for <condition> to <condition> loop+ g2 ~7 x" Y" v: S8 Y f/ |
<statement sequence1>;
* D( Q1 p8 a9 e' n3 F( L7 { next;
) Z! T M- L! P3 t. f' w" ]1 H0 ~8 `3中断语句
6 m6 R* ]) C. m waituntil <condition> prio <integer expression>;2 Z& F! n- F3 e& _7 I
4 c2 P& I2 i/ u4 A T% g; c! i* i4 R7 |4 j9 G5 m7 ^
以上为常用的函数！/ w5 J* S: d: Q( q2 ^. D
还有很多，如有需要我把资料发到你邮箱里
/ X4 \& }& p* ^
: s/ I# W% R w3 e5 b' x) }
& P% t% I1 `$ j4 h& U1 H4 c
7 Q8 k1 B. C% |3 C& d- N
2 f- U& Y+ z0 t& z3 q: `4 @+ Q* E! [$ ?6 l# s/ o- k
2 P* D1 N, g/ X% H9 ~4 @" P q" u' R+ ]; M8 ^
1 x& s+ |& C/ f, s5 { d4 e% W9 q" W, p p' N8 A
6 |6 @8 J5 Z2 Y5 x
|
|
[复制链接]
