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发表于 2012-11-13 08:48:12
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1判断语句! c6 p% V1 l! T; A+ z
if <condition> then8 ?* C6 ^2 h3 k. A
<statement sequence1>;
9 [% L2 k& H8 l# T% m8 q) l elseif <condition> then9 u0 a, m* ~- R
<statement sequence2>;* Y) n& b% H" d3 G9 U
else
+ v# ]6 ^3 ?! Y H% K0 z <statement sequence3>; P* h7 ]8 O3 p% O
end;
, Z C2 k3 k8 ^6 L+ ^' {如果分支比较多，用：7 Z& z& c V9 o
inspect <expression>( ~, C/ M( }$ r% H7 ?3 F
when <constant_list> then
) Q- W" b; h2 M' d; `8 }! h! ~: `$ D" \ <statement sequence1>;
4 V2 s) ~5 R. d when <constant_list> then- Y. g( M5 {- _/ t% Z! S! I1 }
<statement sequence2>;3 f$ u- t, u+ W1 o5 J. q
...# q* b: U; k) N
else' y. M" A1 K' i9 }( |
<statement sequence3>;
2 Z4 a$ A& i7 ~9 J. [6 zend;
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2循环语句
; v" a. w- N. b# A/ W (1) from <statement sequence1>
o$ G+ C* l d3 N) X3 M until <condition> loop
# y$ z' S9 I# Z <statement sequence2>;: q! F. t; u9 y2 o
end;
5 r- {5 z4 g3 U# x (2) while <condition> loop
8 \9 y3 ]7 E# y- r! C4 Z <statement sequence1>;
5 T+ Z' _; ]/ J$ o% v" x6 ?' a% A end;
0 P; L) g' Q1 T( { (3) repeat v7 A4 h& ~1 z9 S
<statement sequence1>;% u/ ?( _( a" T; ~8 I
until <condition>;
, a9 U" p) q3 J/ W: Z (4) for <condition> to <condition> loop$ X- x+ ]; t$ g& \
<statement sequence1>;6 d! L2 J f# Y; R( C/ [' Z' r' I
next;
3 M, x$ i7 S; j6 }; ?3中断语句 S8 J- `% v2 N3 Y1 _6 f/ E/ ~
waituntil <condition> prio <integer expression>;
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6 z. A- k: p, P6 H! z! [, @以上为常用的函数！) t$ W) t. B U3 M6 W1 G- b$ {) y8 _
还有很多，如有需要我把资料发到你邮箱里
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