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发表于 2012-11-13 08:48:12
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1判断语句( w3 X- g0 b0 {6 {3 v, {
if <condition> then
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<statement sequence2>;4 k6 L' v: e! O0 T
else 8 }2 R8 C; V' X
<statement sequence3>;! J# S/ H& `/ Q' O+ E' h j
end;
+ v h& {* g A4 G如果分支比较多，用：0 a4 {7 v, `- S. q* n$ h, ~8 R
inspect <expression>6 R9 U" n' g. Y$ Q4 [. t
when <constant_list> then( a- k& J m) s! l( k
<statement sequence1>;/ W2 D* b8 G1 n! `: l; B/ J2 T
when <constant_list> then
; X4 l( r6 _. e9 H z/ S1 _ <statement sequence2>;
, M x5 J4 u4 J, ? ...
/ Q! w- B, C( o/ P5 A3 s2 H else
0 I1 C, k& G& {$ _' v3 _3 S8 t <statement sequence3>;0 }4 }+ K# @( j# [8 H+ R8 @
end;
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' _; R- h! X5 T9 ]. h! m2循环语句
3 t- G! l* R5 t y- J5 t (1) from <statement sequence1>
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<statement sequence2>;
& a" J; L0 h7 w" M; T" f end;
b6 Y* |% e X6 y6 @ (2) while <condition> loop
& A9 O, x- {9 g u <statement sequence1>;7 q7 S8 G+ ^# _5 u. h0 |( r" {
end;0 w" e* H6 \/ e D# @# {% A& t
(3) repeat
0 V" H! {/ {; k/ j8 ?0 W _ <statement sequence1>;
: ~5 t0 l5 |$ g+ C! v' R! E) E) h until <condition>;
" p) V+ K R! o' \/ s4 ~) Y (4) for <condition> to <condition> loop
4 @3 r* V2 H4 d$ _: i; T <statement sequence1>;
$ O: Y2 Z4 V3 r next;+ T) k1 Y' {8 ^4 q8 ]% G7 O
3中断语句
: V: g( P! c5 | F p: G waituntil <condition> prio <integer expression>;
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以上为常用的函数！& z# `1 n- V) f! ]+ j) ?/ C
还有很多，如有需要我把资料发到你邮箱里
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