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发表于 2012-11-13 08:48:12
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1判断语句% }/ X. m3 j9 x
if <condition> then6 x' |# o3 \/ A( r' {
<statement sequence1>;
3 E- y' _, g8 q3 Z& p elseif <condition> then
7 M. o2 O6 D# K7 R9 d <statement sequence2>;4 K5 N/ V7 v9 \ U8 x
else " k3 ?- ?- x4 F7 e4 c" x, C
<statement sequence3>;
% h- F; A7 \! i8 D" @7 Y end;
q: F, W1 s4 b9 g如果分支比较多，用：
: r) @) ]6 m3 C N0 [2 Y1 ? inspect <expression># X W* w. K2 a4 d
when <constant_list> then
' v) p& b0 [* R8 J5 ^. d <statement sequence1>;* P) V, r, I8 X8 v
when <constant_list> then
4 {1 ~3 l# a7 e7 {2 Q+ V <statement sequence2>;
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else
# b5 V$ h, `3 A% i/ }" u- R <statement sequence3>;+ i! I2 T) f9 G! i- \, |8 c- ]) g
end;
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2循环语句
3 `# o, I0 q9 ?( g, l/ ^) B (1) from <statement sequence1>
1 A1 I" Y( \" ~* S9 s until <condition> loop
- \; e* Q3 T% d1 I$ C* L; b4 d <statement sequence2>;- A$ v( W; `! t4 t/ P2 }% d f! Z
end;
6 X" T# h( H. ~1 w (2) while <condition> loop% D# R( T9 g- [* T% T( k* C
<statement sequence1>;
2 h% a7 H1 T1 R: X end;) I$ {$ Y+ n6 t `/ f& K
(3) repeat 4 f7 ]. b4 i9 g) f( v7 i9 [
<statement sequence1>;
4 H$ V8 W; ~$ K# E9 Y4 o3 M, T until <condition>;+ B0 D# U$ L. {
(4) for <condition> to <condition> loop
( v) @, [: {, l- i$ n% J <statement sequence1>;
+ k) L# J* N2 s$ r, F q6 Q. D next;
8 w0 x! V; h2 O& b' p/ `3 b3中断语句5 p" |' c. {# ~$ u( I
waituntil <condition> prio <integer expression>;
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, o% g/ P# H# ^& A9 {$ {
以上为常用的函数！
; A* R6 w' {, n" r还有很多，如有需要我把资料发到你邮箱里
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