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发表于 2012-11-13 08:48:12
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1判断语句
. d& H5 C2 I* H$ ? m; \ if <condition> then
# z; u& W6 V3 {: C' o$ ~+ x <statement sequence1>;
. t0 Q( w1 z; ^! h) T. Y: z& ^8 {+ e elseif <condition> then. T6 t V9 ?# d2 t
<statement sequence2>;+ C9 n" L/ }, M
else
/ ~# V. @, t& G/ g <statement sequence3>;
; c" t0 O/ L/ S9 S end;& m* Z2 @5 O0 F, o& P$ `
如果分支比较多，用：6 Q7 R, G9 e( w) d9 l) p. I
inspect <expression>2 G' c9 k# o6 P/ u0 z- M, G6 T
when <constant_list> then7 \- ]& ^% }1 ?" K
<statement sequence1>;
7 \' |4 M9 x# ]: C; S' M when <constant_list> then4 G5 p& O) d0 M& S4 Q6 |
<statement sequence2>;( f2 v1 p6 \$ S$ T. L6 A. w
...
/ T# m. L6 p1 r8 D' J9 l! t else
& P* h: F1 i: o* ~$ @6 Z0 G( J <statement sequence3>;
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- K! T3 v" O& ?$ \2循环语句% k+ W4 G9 d+ D4 ^2 K
(1) from <statement sequence1>
* \/ ` Y) Q; G/ i: o, q8 ~0 | until <condition> loop. s% \& k* A' C% x1 X# X7 c
<statement sequence2>;$ C, R4 J5 u2 T
end;& W2 [2 \1 _1 H6 G4 ?6 _( C" u
(2) while <condition> loop/ Y: b9 X/ |) N0 T! v$ Y
<statement sequence1>;$ }+ {9 _9 F" R6 I" R9 @
end;$ c0 f+ J: k% w r1 @+ G `
(3) repeat " ?& B& I3 F; Q) j
<statement sequence1>;
# m5 d3 p; l) l! a$ F, Y until <condition>;2 y, X5 k% c6 H/ l* G
(4) for <condition> to <condition> loop, D, h9 e# D* V6 H
<statement sequence1>;& h) E# Z& V: o" s2 ~
next;+ o/ ?% V1 ~/ l
3中断语句! K" O8 X+ E% \) l! m" {2 Y2 F7 \
waituntil <condition> prio <integer expression>;% u1 b: M7 A u4 y4 e2 E
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; Q3 H) o$ T; H6 H/ c" s' U以上为常用的函数！3 u+ q j! V$ D
还有很多，如有需要我把资料发到你邮箱里
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