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发表于 2012-11-13 08:48:12
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1判断语句% `. ~- n! p ]% U2 P1 ?8 e/ {( T
if <condition> then) S) X) z1 y; T2 P/ G0 r
<statement sequence1>;* y% \- M" K: j j
elseif <condition> then+ e. k9 j# T# @" E$ S+ X7 V2 P
<statement sequence2>;
* q j6 W) ~0 V4 v else
+ ?; W* o7 N; v <statement sequence3>;( q: Q: F* F6 Q) Y3 j
end;7 V/ @( f6 x* ^+ |- L- E( y& j; U# U
如果分支比较多，用：# W3 C# _7 A# d) m/ j
inspect <expression>/ u+ l0 k# y2 j; s0 N: u
when <constant_list> then: ^3 c: c7 A, D2 _; g5 v
<statement sequence1>;" {8 \8 D2 k6 I6 D/ K+ t+ M
when <constant_list> then* R0 L, R, }1 I+ j6 h- y+ B
<statement sequence2>;
* ^9 i5 Z2 H1 n. i ...
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<statement sequence3>;" R7 y. {; I( y
end;
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2循环语句# s# n- r6 h& D! X0 \; \2 {2 T
(1) from <statement sequence1>
. c2 g2 k% ?9 w% s7 c9 F. a8 Z$ m until <condition> loop7 V" ?8 r, G2 |+ o" p
<statement sequence2>;: H+ H0 |/ R+ }5 \
end;! W& D1 A6 I1 Q# B* ^, b
(2) while <condition> loop
6 m4 {' }* S4 V <statement sequence1>;; Y$ B5 F+ C0 [& M @4 g3 J1 e0 \
end;. l( g, k) w/ F& y1 @
(3) repeat
; N- [) ?* `6 W. B <statement sequence1>;% t/ f! q; j& o/ I5 Y
until <condition>;& \ a Q8 |6 K
(4) for <condition> to <condition> loop
1 J' U2 u4 _3 } I <statement sequence1>;
6 `( g$ d$ J7 L+ s next;
' } q l: Q% E' Q. S. @' I5 A3中断语句* ]8 V% P. r+ z+ w1 ? w
waituntil <condition> prio <integer expression>;
9 a0 V: f" h) Q5 t0 U1 Q& c+ S; P; s% l3 R# Q& r N! Z
! }. E3 ~+ ]) y" y以上为常用的函数！; O8 k/ p3 S3 p3 @7 c+ Z
还有很多，如有需要我把资料发到你邮箱里
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