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发表于 2012-11-13 08:48:12
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1判断语句
0 u8 f' B, k6 E F5 [ if <condition> then5 h$ u, g" W. A. M$ m$ G0 i1 ~
<statement sequence1>;) j. |% C. y9 n+ Y e( y) ~
elseif <condition> then3 G2 g/ d0 G. ^7 ~: a6 b
<statement sequence2>;' n0 r; M5 Y7 C
else
3 d3 a+ m* X# K8 U6 C, `- k <statement sequence3>;8 W P5 x9 b G2 _) y$ n ^. w
end;
! F$ f$ x) r: I1 i+ _如果分支比较多，用：1 O3 ?4 G8 v1 U8 M
inspect <expression>9 x. E# J+ S# t0 p2 z; v* M1 i
when <constant_list> then
* n5 _# H& X7 `2 C8 u <statement sequence1>;5 b8 y7 I* z$ r* Q! q% X a
when <constant_list> then
|* ^% [: E# K* r6 t2 y <statement sequence2>; M8 A: {! i2 N+ b1 B; q( h, o. ~
...
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<statement sequence3>;2 R; l, C- y; `& M
end;9 q/ s8 a0 W( d) X9 D8 L- E# P
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2循环语句0 ^4 b( U% ^ G/ j' D9 t
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop4 {4 b& B+ L; X4 w2 g
<statement sequence1>;) ]+ \$ }5 E% q6 l
end;
- R$ @6 y" U' \# G (3) repeat O) x$ H, e7 d
<statement sequence1>;
" z I/ L/ ]% h6 _; i until <condition>;
' b" ]0 ], i0 @5 C (4) for <condition> to <condition> loop
- M& A: s$ W- y" E- u& Q4 [. G <statement sequence1>;" C$ j' t/ L3 R8 W) v3 \2 D v( [8 D8 l7 s
next;
5 m- b& b3 q+ X1 [4 a3中断语句 b2 p/ f% T; [) p. B9 ]5 }" W# F
waituntil <condition> prio <integer expression>;8 S1 f/ I! i* W; `2 X- Q3 R8 _
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4 i/ \' }; ?% M* G* l+ J+ V6 h以上为常用的函数！, p: G! r5 v! I
还有很多，如有需要我把资料发到你邮箱里 - z$ j2 {* r# {' X9 `) r, f
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