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发表于 2012-11-13 08:48:12
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1判断语句
# F$ B3 Y; o/ t, \ if <condition> then7 O5 T9 }& K% ^, s7 O8 `
<statement sequence1>;
) ^8 m- X7 ]; K1 Q) J* j( t+ W# E' D elseif <condition> then
7 W" l4 n# O9 Q3 D. W6 i: _8 c <statement sequence2>;
% h4 d) e+ w. n6 P% Y0 I. u' L else
# u) o7 Z8 B1 M. j$ j <statement sequence3>;
: k3 W: t2 K" { end;
& C9 j$ n/ T4 Z9 w1 |6 l) [0 c如果分支比较多，用：) X" N; f0 \- X* O9 G
inspect <expression>9 v- Y8 c$ _& K7 l, @) L; Q2 {
when <constant_list> then1 h" X0 g9 ~! O" [5 Q
<statement sequence1>;
/ Q4 v* y; T& ]1 U6 k# B when <constant_list> then
[ {0 P: Y4 r& M <statement sequence2>;* o2 ?* e3 e* X' b* n
...
% t4 C: i$ T& R else3 s0 F4 \4 a; B' |- @5 N" K1 h
<statement sequence3>;6 t" P8 ?( R+ }, \! U3 I" c: j
end;; R0 H( Z. I8 }( x) S+ g# y" h
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2循环语句) `5 _+ K6 y. C
(1) from <statement sequence1>1 O2 V1 T0 Y8 C
until <condition> loop
^4 M3 [/ u$ }( z <statement sequence2>;9 ?& a: R) u" B" ]2 D
end;
( T, t& F! H9 G3 x, |( U7 I (2) while <condition> loop& u4 R3 d# Q" B7 ?, @1 C
<statement sequence1>;
0 F! e8 V% J7 ~ end;
; |4 O' P- j, W ~. [2 A7 a! e" g (3) repeat
" Y# N2 E1 F: z: E7 } k9 ^) b <statement sequence1>;: O8 u+ m4 T1 s( k4 s
until <condition>;
4 T5 O% b; h: Q' w) P1 G (4) for <condition> to <condition> loop
9 n$ t/ K z. U+ a- t <statement sequence1>;; g: L, v- G5 q* n5 P9 o
next;
3 a1 z: ?* q* G+ l/ ]3中断语句- C. b, r3 m) N; f1 k
waituntil <condition> prio <integer expression>;8 t7 j4 b* b) V1 \4 M+ A
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以上为常用的函数！$ Q5 B/ R7 i- X* z1 U- j# H6 s L
还有很多，如有需要我把资料发到你邮箱里 3 c; \+ w) w; |, b* e5 p' l: b
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