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发表于 2012-11-13 08:48:12
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1判断语句0 d% d; V- ^# ~ D
if <condition> then
6 D8 H; A/ i' d+ r+ V: ^ j <statement sequence1>;
& ~8 K' [) ^( @ elseif <condition> then K. S; `) @5 r9 B( ?
<statement sequence2>;
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<statement sequence3>;
% w9 \+ q) h% f6 q- z end;
1 A+ K) B& C- H如果分支比较多，用：
1 s5 G) [( \, l$ f% y1 H inspect <expression>- d) {5 [1 w7 [2 m& I) y3 ]
when <constant_list> then( c6 j- q2 a0 Q: E {
<statement sequence1>;
3 q9 q$ a B' n# G! w+ t when <constant_list> then0 f& f& T: r* L# I3 Y2 D. r
<statement sequence2>;6 |' k7 G8 O1 I. x
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else
- v- u1 ^ M4 [* |- f <statement sequence3>;
/ L" t$ W1 n0 f4 E. k4 [- K& mend;
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2循环语句
% \3 I& _7 q$ p9 w, C6 ? (1) from <statement sequence1>
+ L* j8 A, }6 l9 @ until <condition> loop
9 M& w' A: l3 ?2 h. F5 P <statement sequence2>;$ p; h1 _9 P, o' O
end;
^3 o' O1 f4 i (2) while <condition> loop3 q+ A$ K' Z D: Z/ v
<statement sequence1>;
r$ ]. |) e8 e& J* a- Y" R6 a end;$ P9 Y+ o( r- H% R( q @
(3) repeat - ^# P' P" q) M1 `) q8 |
<statement sequence1>;0 a: J* M o& Y' {: ?9 S3 v
until <condition>;
. w! ~6 G0 h% w9 v% h (4) for <condition> to <condition> loop
) ^3 K$ C; j: [4 l' t( l: b <statement sequence1>;8 Q% B+ K0 e0 S$ Q
next;
. `: W7 `5 _$ |2 G1 v1 N3中断语句5 d% f% A% W& }; T n- b# Z
waituntil <condition> prio <integer expression>;; k) N6 O# m5 M
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4 L, X% s4 h$ ^1 n以上为常用的函数！' I8 D! v6 K$ v6 j0 z2 J
还有很多，如有需要我把资料发到你邮箱里
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