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发表于 2012-11-13 08:48:12
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1判断语句1 u l: G' u# I' i1 D
if <condition> then
+ p$ J. h1 ?4 W. q: B <statement sequence1>;1 v5 C9 c& u/ { q
elseif <condition> then
1 D7 g' K$ ~0 s& _ <statement sequence2>;3 f# i, P- |- T. n8 Q, ]
else
- ]1 I+ o3 _5 _& h" p. F& X. r8 A <statement sequence3>;5 t5 t# D) u, O* Z; }& k+ b9 Q
end;
! @! E: C/ B' F- z; w如果分支比较多，用：* W3 {5 ^1 q3 M" r! `' x
inspect <expression>
# C; L- f$ L: t' J& `% U) V when <constant_list> then
$ a7 C2 w* t8 F: y/ y( |. ^. a <statement sequence1>;* [' Q+ i" x, f9 ?6 D
when <constant_list> then
: v2 R D7 T% ~' L& C+ W <statement sequence2>;1 T; F7 s$ C6 m2 V* @# X
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else/ X. t# k: a) Y$ d
<statement sequence3>;
" F8 y! i8 G7 m! [end;
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3 o0 K" S% G8 U0 R( E2循环语句
; ~, V( U( h- G0 ~, g# Z7 c. ^& \ (1) from <statement sequence1>+ P2 b* ]7 z) V9 @$ i. `- m) j
until <condition> loop# p' E. a. P( f v* y, N0 }/ V* |
<statement sequence2>;
) n1 N) Q* c& @7 t$ e/ I2 f" B end;
" X0 I* J# s* i7 I; A! ^1 } (2) while <condition> loop' Y& d2 f# p: o6 v
<statement sequence1>;
; J) @, l& W5 G. x. P* W end;% q; h4 g, `/ Y3 `
(3) repeat 6 r4 ~* a( E! H( w: c
<statement sequence1>;
$ V$ s( K( N( b! y$ Q0 B, G- P until <condition>;
' \9 m5 W4 Z9 @) X9 f' c (4) for <condition> to <condition> loop& R! Y0 i% }5 w2 }# G* ~( ~4 k
<statement sequence1>;
7 y: u! H: r. R5 j4 O" F next;
9 W1 u6 I8 y+ l) _/ @4 z3中断语句* ~8 z- F* s a2 [9 Q
waituntil <condition> prio <integer expression>;
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% m5 y& G; n- `& d1 Y% z* i: ~& j. k! _. o. Y$ l$ f
以上为常用的函数！
3 I' i: _: C2 g3 n# @9 B4 s还有很多，如有需要我把资料发到你邮箱里 0 D, _3 c, k: B2 C, y r
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