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发表于 2012-11-13 08:48:12
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1判断语句
: s. c" ]$ q# j2 C$ X% m if <condition> then
1 q4 c0 H5 D4 A! T1 O& G <statement sequence1>;& B! W" P, }0 l! z6 j
elseif <condition> then
3 z* `. U* X- t" @! r <statement sequence2>;
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<statement sequence3>;1 P# m8 g4 N( E) J# A+ {( W8 {8 H
end;
V# J& H: z5 C3 ^如果分支比较多，用：
. i& c6 i" F& D; V: W6 ~" O inspect <expression>1 P- G3 S* s, S. t' y
when <constant_list> then# v2 U7 {7 y J& [2 x. E$ ^8 i
<statement sequence1>;
- f) V d- P" j6 ] when <constant_list> then
3 q- V4 ^4 P1 |% u <statement sequence2>;2 V; {8 Y) p- G* s; {
...8 A; P. L/ M" z
else6 U1 }- G' O. ~& h, _$ D
<statement sequence3>;
9 B; X5 V, h. V/ y) y0 t5 Qend;5 w2 Q6 |/ M/ u4 ~
# ?" v9 U! ~- K" ^2循环语句+ o* E M( `4 H. c, R. z7 M2 L
(1) from <statement sequence1>+ a7 t, C& Q2 b* Z- u$ ~( L
until <condition> loop* [9 H! T9 Y" N. @5 [4 Q
<statement sequence2>;# N! G0 R$ ^8 i* R9 p$ B
end;
0 @( y0 E( D7 y (2) while <condition> loop
0 C0 ?2 y, t# R' o <statement sequence1>;8 ]. _$ _3 h, ^# U0 B V' c
end;' D- X. {, v3 V0 t# D) e9 m
(3) repeat
! o1 r* t) F- w" a <statement sequence1>;' f9 R6 l4 `. f
until <condition>;
/ a& H7 r6 B' N (4) for <condition> to <condition> loop+ [. C! G5 [% k {& r
<statement sequence1>;6 ~5 I. i- L' g/ C
next;0 L! V( {3 D+ Q$ h& ^8 o
3中断语句
9 w( H# X( X, {" x1 W. t waituntil <condition> prio <integer expression>;1 I6 n* u X' k
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9 d, x0 p2 {- [( T以上为常用的函数！. F8 P: k" Q' Q, N/ \
还有很多，如有需要我把资料发到你邮箱里
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