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发表于 2012-11-13 08:48:12
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1判断语句
" v% r7 I2 `- p6 I9 i. x if <condition> then, z$ r! T4 z- e, W5 M
<statement sequence1>;
8 ?" K/ ~, E0 e elseif <condition> then
7 o) ^+ f6 \6 J( H% n <statement sequence2>;! Z$ F( a9 e, `) I; B7 g& O4 S. r f1 q. @
else
! A1 ?+ b$ c( ], s* L5 n I- n <statement sequence3>;
0 H7 y; r7 F- Z4 p) O* w4 ]' I0 h end;, j( p7 S3 T' Q: v% n0 m
如果分支比较多，用：
( W# n- F/ `$ b! W. C inspect <expression>2 s: p; B# e3 W# F$ P. P
when <constant_list> then) e- W" z6 S2 j; T
<statement sequence1>;
5 p; e' N9 G, w% D7 U1 l% I- T when <constant_list> then1 b8 x [ U6 a9 S" K) T
<statement sequence2>;; n3 t& u7 g O$ y
...
j: K/ O* W7 d5 u9 V% \. ` else; ]& r9 n4 \9 D0 B; k
<statement sequence3>;
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5 m, r0 E7 y# |' u' T M2循环语句
( i6 b/ b! F& k; n8 t7 g L (1) from <statement sequence1>/ x! B5 s* G1 ~7 U! ^
until <condition> loop
3 |4 Y j; ~* b$ P* |$ r0 F <statement sequence2>;5 S$ b$ L- d; c0 W
end;
$ L: a/ a9 ^- G/ w (2) while <condition> loop; }& S7 P9 b+ Q7 B$ u
<statement sequence1>;: J, m1 p$ S1 f' t* H( h Z2 P
end;; A4 _$ V# `/ f1 t3 W3 W) ^6 }
(3) repeat + {( ]# d! ]! m* m
<statement sequence1>;& A _# o8 m, i7 w3 a% l
until <condition>;
4 u/ G" q( f6 j# O (4) for <condition> to <condition> loop
; h0 L3 @% N% x; h9 q <statement sequence1>;
) P# K) j% P) G0 {! t next;
% D) E- X5 k# M: R) ?8 z( k; d3中断语句
4 A+ d) c0 H* ]/ g: _9 I9 G waituntil <condition> prio <integer expression>;
' H; U: j+ [$ W; i! r
1 }) p! l }9 |2 n: u% ^$ f$ n/ K& j/ C T3 Z1 U
以上为常用的函数！+ u4 S- X" |4 V4 Q& T
还有很多，如有需要我把资料发到你邮箱里
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