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发表于 2012-11-13 08:48:12
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1判断语句
+ n) J! b' b$ f if <condition> then
~1 O/ ~% A1 ~, } <statement sequence1>;
0 R2 V3 \! {7 a" M5 L elseif <condition> then
4 z! h+ ~' P) L9 [3 [+ h5 ] <statement sequence2>;
, @( d* j1 k( [1 R u& K else 9 ]3 z3 S/ c" s8 C
<statement sequence3>;& W$ Q/ ~! s0 F3 R6 f5 k
end;
, `) I) D# Z4 N6 a如果分支比较多，用：
# {4 b8 A% f# P. E) |. L4 n, v inspect <expression>( v( G! e' t) H+ a" Z4 K; \
when <constant_list> then
8 K- x" ]0 @8 Z. E" W <statement sequence1>;
3 x% F& w2 {- ~. b- x when <constant_list> then
) z2 q9 m, Q0 _9 m N$ H <statement sequence2>;1 b$ @: d) C- u% x- c/ D* B
...
0 U. v7 U8 |8 y7 G/ V9 s/ v8 ` else
9 E- f, E6 Y' z <statement sequence3>;
& G: ?, D& m: yend;
) w: B$ P+ y0 E4 S7 v/ R. \
0 ]5 ]: x8 u+ F- u2循环语句
$ e- C2 P. Q2 [' f% | (1) from <statement sequence1>
( s3 n0 Z! g8 g until <condition> loop- _+ Q( Z2 X( u6 K
<statement sequence2>;
7 @: d. H& h5 Q! W3 V5 S. Y end;
2 ^- s0 q# k/ y- W (2) while <condition> loop8 u5 k/ l2 J) n$ f
<statement sequence1>;
% B: ?' o N! P: e) ^ @ end;
2 T/ B. n$ I& p5 ~ (3) repeat 1 U3 }) W/ X" X7 z( c
<statement sequence1>;
& R0 t% G2 Q! w: ^) Y# v until <condition>;
% w5 T7 {1 a/ H! O1 `5 l5 b7 ~- x& j (4) for <condition> to <condition> loop3 M1 |0 a: v' }
<statement sequence1>;$ n9 }/ N p g
next; |( K& [* W4 `1 Q6 O c5 i
3中断语句
0 g, [/ m- J h$ C waituntil <condition> prio <integer expression>;6 x# X2 ^; T7 t) o
; s9 Z' ]5 q2 k$ u) V+ B0 L
/ u* `2 M* v! F$ ^; o' \以上为常用的函数！
; c. \* ?6 ?% D, ~& C还有很多，如有需要我把资料发到你邮箱里
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