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发表于 2012-11-13 08:48:12
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1判断语句9 g# F1 {6 T3 c N, {
if <condition> then
) I$ |$ W; w7 ~7 S: y <statement sequence1>;/ X. x( v( [/ N) `! H* x
elseif <condition> then
* c4 ?6 J' C( b& ^- @7 b) U <statement sequence2>;+ n; P0 g L; k% R
else $ `! y- {2 E2 ]8 N
<statement sequence3>;+ \* n8 _" J4 K5 G1 t2 Z
end;$ A5 I( _0 o/ R" [' t7 j
如果分支比较多，用：
8 K8 o! y+ L" r, w W& M Q inspect <expression>
( ?3 H- i: _) a I! P when <constant_list> then- T, S l$ o0 p; L' ?1 H
<statement sequence1>;! m$ i: {/ a$ j- K U
when <constant_list> then
3 {# U( _- i. q. r- K- J" N <statement sequence2>;
2 U" x7 E" u$ w8 `7 Q! h ...
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<statement sequence3>;! Y* b ^& H1 O0 `
end;2 Z" Y2 _. c0 b
9 T2 Y$ Y) i/ I, j2循环语句
- ?; ~5 n: U) j& J& U. P9 { (1) from <statement sequence1>( M- j) r$ X2 A/ g
until <condition> loop
1 ^4 z: l2 M, {7 X1 ~ <statement sequence2>;+ U2 }) l3 z! i3 k- K# t- L+ ?. m
end;
. T2 ^5 T. D$ y$ U' f; r$ Y' ~ (2) while <condition> loop& y$ x: p5 J, [( j! C
<statement sequence1>;9 E, g6 e2 n4 ^- P: x" w1 I' u
end;8 Z B0 s" ?, T& } S$ e( o* O& Q! j, f
(3) repeat 6 t( o7 s* S0 F& n( B# N! }! d
<statement sequence1>;
4 v' {. Q- ~: k; r, X until <condition>;& }! H. B$ F1 {3 t' ^% {: `* Z5 |
(4) for <condition> to <condition> loop
0 @) @2 k$ U; m' K9 p$ l: W/ c <statement sequence1>;
" @1 g4 k- \- A6 k- q next;2 x! \( Q0 n6 ~, ]* G# c8 n
3中断语句7 v# D$ f2 L1 z& M0 m. I* T
waituntil <condition> prio <integer expression>;
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以上为常用的函数！1 V% V) H+ H+ B7 F
还有很多，如有需要我把资料发到你邮箱里
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