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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
9 f* g9 C/ g$ w. `% ]! R if <condition> then
3 `) v. [0 z2 L: T) t3 A. N <statement sequence1>;
0 \+ w$ d9 H" S, g elseif <condition> then
) ?& y0 f) ~, N- u1 k <statement sequence2>;1 K( }. k6 J+ B/ Q$ d9 G! ]) ~5 b
else ' W- i" D! f* v0 O+ b; }
<statement sequence3>;4 P( [8 F6 T3 v4 b/ F9 w3 D$ t
end;
/ X: f$ |" s; `6 t" M5 |/ n1 Z, y如果分支比较多，用：- A" F" Q; ]+ Q
inspect <expression>
& e; T. q/ T/ z& _. q, g when <constant_list> then" m* K7 ?3 h% m2 j5 u+ u+ b6 M
<statement sequence1>;
2 b, g/ d' ]# n' v6 o when <constant_list> then. w9 v7 l, N+ `( d; q$ n
<statement sequence2>;1 H& D: x; T s9 Q5 A" j
...& T; z- E8 m- t5 z' P
else
, B3 P1 ?( x! ` f: M% C5 S <statement sequence3>;# P5 I/ a* }# G) I) T
end;
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2循环语句1 d9 q% g2 U) p1 T! X; W3 z& v
(1) from <statement sequence1>
8 ^! U1 H$ j3 C8 X, h/ N! K& L until <condition> loop S. T( i$ L4 i N4 p6 `4 F* y) u
<statement sequence2>;: c3 X5 B% e5 U, t) z) E
end;" O% D1 l* J3 O9 k6 B- }7 R+ F
(2) while <condition> loop
: D) \% c8 U- a" p+ v$ Z <statement sequence1>;; W& \% S% A2 g |
end;1 A4 A5 j; q5 {" D% z. y
(3) repeat
6 }# E7 p3 J8 {" @ <statement sequence1>; u3 B! P7 V6 y3 m
until <condition>;
! f" _' R* L' v( l+ R- Q+ ]6 r (4) for <condition> to <condition> loop
, e3 x% ~/ x& G3 @+ H3 \( ? j% \ <statement sequence1>;& @- i0 R: H5 E! C
next;- l& ]. O3 Q4 W
3中断语句
" R/ B7 l$ f2 q) L4 Z' ? waituntil <condition> prio <integer expression>;
" {; [) e) z; ?* r" `( f, I U; K. I3 M. X
; O) b2 L/ s. M: q1 e$ _
以上为常用的函数！
6 V H3 ` V4 P- |% r还有很多，如有需要我把资料发到你邮箱里
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