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发表于 2012-11-13 08:48:12
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1判断语句6 Z% u8 }" d( E+ K( ]
if <condition> then
/ b* x) J+ l$ M1 b# m <statement sequence1>;
) }' [" z9 `; k6 C9 S elseif <condition> then @) r( W. N+ I, [* F' k# m
<statement sequence2>;
: Y5 u" ~* y8 W3 e else
2 X+ O" g* X. i2 z$ O% q2 c <statement sequence3>;9 G" Z. @, ]( }3 _
end; Y+ {5 R# d* W' D# N3 |" y
如果分支比较多，用：: B, i) s6 I1 J+ G* @4 a( K
inspect <expression>8 l4 |0 W% G7 s [4 ]3 s k
when <constant_list> then
+ J `: N. I/ W& U" ^5 K <statement sequence1>;
% I u, L. w1 S: \) R7 h when <constant_list> then
! p! H% R5 x+ Q. M1 a <statement sequence2>;, i: Q( o. u" O- p% T7 w
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else
; X! i+ K/ W- M) i/ l7 h! f Y- r <statement sequence3>;
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2 M1 n/ y5 q4 e" @% |" E6 w6 W* y2循环语句
$ ~4 d: t9 N9 \3 x { (1) from <statement sequence1>
+ ~9 y8 l0 n5 a( R until <condition> loop
! f: K8 h |: ?! U0 i$ e/ w3 X' ^ <statement sequence2>;0 M- h! }- j7 W6 G7 [6 X# E
end;
4 j$ o0 D& s# l* ]' C) X; h (2) while <condition> loop* ?! ^3 h+ M1 Z, K
<statement sequence1>;4 u% ~1 ^" |1 z& m( x, ^
end;
& V9 D# V4 T* r Q! T. L (3) repeat 4 X6 q* m& D" b) @8 I$ f
<statement sequence1>;
7 Q$ M# v& P5 i6 A$ g until <condition>;
. N/ i5 U2 T5 V/ F (4) for <condition> to <condition> loop4 x& s( Q( S8 b* o9 Y" L
<statement sequence1>;) A0 [" R* u6 E' N% H T1 h0 n
next;# `9 K: V, K- y3 I1 g
3中断语句
% Y$ w8 T, Q; H waituntil <condition> prio <integer expression>;
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以上为常用的函数！/ L) R4 g. g. r4 g
还有很多，如有需要我把资料发到你邮箱里
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