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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
" Q# t' a. s# B if <condition> then
: b4 s$ r7 |6 Z0 x3 x$ t <statement sequence1>;
3 A5 r I5 `, C5 _ elseif <condition> then5 ]( V8 u. d- d$ `. j
<statement sequence2>;
6 W" v* x. V9 ]8 ]. v( P5 X else
9 w% J" J7 d- \3 O" B' K+ v( y <statement sequence3>;6 R8 Y" p2 d5 w$ y7 a
end;
Z2 X" N1 c$ B, S: |/ N2 ]+ c4 G如果分支比较多，用：
+ C9 u! |- A5 z+ p7 S0 T) k inspect <expression>
( V4 y i# X- w when <constant_list> then
4 T" R7 W }$ w |, C' f <statement sequence1>;3 K/ ]) j- ~' J2 K/ x
when <constant_list> then9 V: P9 L, M2 e& W% p: d
<statement sequence2>;
& O% L1 T" \- g ...
7 P* b( g+ H6 x else
: _8 |' A& l' Z* Z2 [ m <statement sequence3>; Z1 c3 t6 t3 H+ }: c4 `
end;
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2循环语句" R3 D5 `( r4 @( I
(1) from <statement sequence1>
' q1 q5 D+ j( t. ]& D until <condition> loop+ z+ |4 @: B" s+ n2 ^
<statement sequence2>;
% A2 W: d7 y6 Z2 R; t end;- i: q* d) A/ l! r2 D' T# X1 ]; W
(2) while <condition> loop: K1 I; x, v: x! C2 ~
<statement sequence1>;5 K4 @5 I0 E7 \" }2 a
end;
7 S6 F6 y" j1 G, [/ y: p (3) repeat
" i5 r* t8 p. G9 ?' @+ m <statement sequence1>;* }2 A) I/ B. q8 C. b, d, F; N" [3 D
until <condition>;
: ]: u6 n' `6 y- P( t- w4 A4 Q (4) for <condition> to <condition> loop
- `8 k1 s) r: w4 N <statement sequence1>;9 @; N9 x% P" W9 w+ H) N N( u
next;, X# d5 K( ~: j2 f9 f" r
3中断语句
% p$ `% S( {. l! F& H& K waituntil <condition> prio <integer expression>;
2 r/ a$ s( `1 U' |1 K+ i: v! X: D" x1 o! \
4 a1 L; q& ~& S" x9 u+ I# {以上为常用的函数！) l# o9 ?" y% y
还有很多，如有需要我把资料发到你邮箱里 + Z0 j3 V- Y1 d/ m" @% R% f
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