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发表于 2012-11-13 08:48:12
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1判断语句" d$ U7 }2 A' p5 |
if <condition> then
- {* h; a( p; P, X6 P" V <statement sequence1>;) S, u1 D0 h$ Z/ m, Z, e
elseif <condition> then; A1 [! E# C- }- T& T
<statement sequence2>;; P; l6 L5 I2 `$ \2 G- ^: J$ _1 W8 R0 Y
else
1 B! s7 d" n# R3 D <statement sequence3>;% `7 ~# j7 W* H# I2 C+ e1 Q
end;
4 u* q; {+ _3 c5 @6 R0 P& }; t( W如果分支比较多，用：5 W8 o" k0 |# H% i J
inspect <expression>
5 l" ^0 |, V. W* G. }" u when <constant_list> then$ W! D' \: p' f- w/ r0 O' p0 Q
<statement sequence1>;7 p: p3 \' U% x7 ?8 P9 V, v4 C- N! p {; B
when <constant_list> then
2 C r# J3 s; o$ t <statement sequence2>;
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else) l( y: E, t; Z c3 f7 U7 f
<statement sequence3>;
. x/ B4 P' F& R5 c! Yend;
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6 }* Y6 k0 h F, D" \0 U2循环语句
: b& S' \0 U/ c# l. A, ` (1) from <statement sequence1>) Z5 j; d- x8 ~4 ?6 T6 ]
until <condition> loop
2 Q% E. J$ i( T* X) v8 f <statement sequence2>;3 v) R5 {% D1 W$ l6 A4 r* z
end;
% B8 V F4 W0 h0 c (2) while <condition> loop
! p: Z% t: D0 `% q6 q" d <statement sequence1>;
' b- S7 Z1 r% G5 U% Y9 Y/ N( z end;+ ?! o4 G8 y2 \+ O
(3) repeat 1 |6 W% r# W0 [9 M' {% M, S& K
<statement sequence1>;
; E4 h& d" u: G7 C- _ until <condition>;
3 U6 |; V* b' ]" G& y (4) for <condition> to <condition> loop
3 o3 w4 O$ v5 q7 e( U <statement sequence1>;
4 d5 `) v u! r' } next;, j6 }. V8 ]! u) d: h0 D7 ~
3中断语句( P# L9 c# z1 k
waituntil <condition> prio <integer expression>;
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" x7 L" A, G- _, E3 m$ F) }以上为常用的函数！
0 u/ t2 _; }' n" s- M还有很多，如有需要我把资料发到你邮箱里 . l5 E; \% z/ ~: q8 P4 `( R% m
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