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发表于 2012-11-13 08:48:12
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1判断语句0 D, h% b9 }6 d" p8 i( }9 J% q
if <condition> then
0 c" R6 ?# v' d5 P: o <statement sequence1>;
* E7 `& s, W2 s+ O: i elseif <condition> then
' {) _/ B0 w' K2 C- C( ] <statement sequence2>;+ l' Y6 b! b) Q6 O1 r
else
# F7 Y% `/ o+ t* x; {) v( }- I <statement sequence3>;6 Z' N1 z- Z& a o
end;
" V, {; r8 H, f0 S9 X, d+ e* `: R如果分支比较多，用：
% }1 I4 o- |+ b6 t inspect <expression>2 E- N) V: \0 Q+ y/ J1 R% |
when <constant_list> then
; c# p, l1 M8 X. Q- g) m <statement sequence1>;! @0 `9 |% a4 {8 x
when <constant_list> then6 s# S, [! d' H* a5 Q, d
<statement sequence2>;2 \/ E* v6 v {0 M9 k* S
...
0 I4 O# P7 X/ l9 W& C else
/ \" `! k1 J6 k( R [, n' w <statement sequence3>;
# t" a( p2 W9 Z* g3 N1 U; @end;" C! N/ _$ ?9 b6 _8 R; k' e
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2循环语句
6 D, T1 X9 R( Q# v0 z# T* [ (1) from <statement sequence1>
; h* K5 t9 q2 J9 L3 h4 f until <condition> loop1 s: V- y+ z/ F5 v
<statement sequence2>;9 s" V1 {' z2 b/ x/ Y, D* V
end;
! `& t' M4 A; L1 y! V6 u (2) while <condition> loop
q1 {6 A* W7 a! Y2 L/ O <statement sequence1>;% H9 V9 J8 A) r! P7 C
end;
/ M; o& w2 {( X4 Z: y% v (3) repeat % U B8 x& T4 f7 T6 E: R
<statement sequence1>;! `' i% z* r0 O$ u1 l; Z
until <condition>;
( h7 `/ `6 F( J2 L( S# z (4) for <condition> to <condition> loop
; C* g ?0 r. w <statement sequence1>;
# U' }0 ~) m$ W6 H& z) U next;/ @5 _9 v) s( G/ S
3中断语句; |/ f9 m1 W9 M# c
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
9 q4 s$ T$ r. q, R$ G1 s' Y( {还有很多，如有需要我把资料发到你邮箱里 - U" D( c$ i6 E! R. F
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