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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
6 t# R" T1 |8 e" g+ X3 Y' R if <condition> then
/ E% g1 d. T n9 T8 @3 G- |2 g <statement sequence1>;
( f1 K: |1 w# Z$ o F2 m elseif <condition> then" x% M+ y- J8 L, ~
<statement sequence2>;
: D5 r& P9 O/ x/ S5 l! e6 Q; k) V else
$ s' z) f2 u) ?! m5 |' S <statement sequence3>;9 ?, o0 z( t0 @+ N
end;& g; q( F& U+ B; u; I2 H
如果分支比较多，用：- m/ s( `4 M% f; B2 `! H
inspect <expression>
6 p4 B9 ?' N( v8 N4 K when <constant_list> then
9 L! z) T! q' q2 q" p& o* Q3 h; r- `# r <statement sequence1>;
/ e/ P# w' \& F- K' u2 V$ H when <constant_list> then
, k. u) L+ W- G <statement sequence2>;3 a9 H3 U% g% n1 X
...# ^* P5 [8 g7 t
else
+ w3 S+ B% w- G- b4 H6 R <statement sequence3>;' R, \: F9 k, v* G
end;
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3 r8 k$ e) w: @- k/ C- a1 Q2循环语句1 e; X* @+ \, S/ e3 L( F9 P
(1) from <statement sequence1>
% V7 U/ ^/ @4 K+ p4 d2 D until <condition> loop+ v& o) o. |$ C7 a$ a* \' I
<statement sequence2>;
2 V: ^! d7 P8 b end;
( ~5 w0 }5 s3 w5 F8 D (2) while <condition> loop
2 o L) \' }, x6 O$ p <statement sequence1>;
n. X. t$ I- X3 h( s end;
# Z- T% H2 Q& X: B2 z( V (3) repeat - i; m; M! Z- R8 ~7 y/ k- k+ j/ A
<statement sequence1>;& _6 }" M8 ~2 D- U
until <condition>;
; i& k, u9 x/ o9 V" H h3 N, J% O (4) for <condition> to <condition> loop# W) m0 J' n8 N4 N. {" B
<statement sequence1>;
& i8 z, T$ E; @% ? u next;1 `- O" ~( V, ~ g4 i# t6 A
3中断语句
+ u5 R1 ~: I/ a- ~- ?* q waituntil <condition> prio <integer expression>;) i9 ]: ~8 G0 v8 ?
3 Z4 f; H5 Q+ P
1 [' U4 |$ Q( v2 d. a9 c [8 r
以上为常用的函数！
2 h1 I2 r0 y8 [' M* y* A+ }2 a% w; g/ C还有很多，如有需要我把资料发到你邮箱里 / d4 M: b7 E+ v& {+ k
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