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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
9 I9 T. j$ @5 X4 U8 V, i if <condition> then
6 q f7 I. e& `' j2 M( ] <statement sequence1>;
8 E" T& W* D% a/ z6 U elseif <condition> then
! i/ }, n( m. e; q, j* m6 }9 k <statement sequence2>;. m( W& z4 n% w! A3 N. k8 H8 o6 A* ?- a
else
- W" n0 c) X6 X <statement sequence3>;
% k; C9 R! z& e end;
" s; p( f+ I$ n如果分支比较多，用：
: s$ ^" \! j& h1 L* N inspect <expression>5 i; @! U0 O4 n- N! i' G
when <constant_list> then
: `& T6 {/ t- \ <statement sequence1>;
/ j$ \& R; V5 H when <constant_list> then
1 {) W$ O3 U& J+ I <statement sequence2>;
0 V# A; M! ]) {2 b8 M5 n ...
. y+ Z. m% h3 h, _& P6 Z else9 f1 L' [5 y* l& E/ {8 N# N/ i
<statement sequence3>;
/ X( e! ]2 ? ~; A3 q& Cend;
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2循环语句
& j, O: ~$ j2 K7 S (1) from <statement sequence1>! q, h! y$ p/ j4 \ o, F2 p
until <condition> loop# A# Z8 z, l/ V" O
<statement sequence2>;: p& \0 ?- f6 p- J
end;
0 B ?+ S0 d1 j* W (2) while <condition> loop
# \4 ?' C" e. X, r7 q4 | <statement sequence1>;
' L# S' e4 i& R# C# m* U end;. _4 Z+ D, K ^2 U
(3) repeat
0 J, ^' j( ?+ G* o: p6 y- a- i <statement sequence1>;2 K5 d6 ]3 l5 f+ h, w5 k! {1 n6 {
until <condition>;
1 G. i7 S0 F- p5 [5 _' A( J" L (4) for <condition> to <condition> loop3 \, `, B" f2 o4 h
<statement sequence1>;
6 G( j8 \* D: E2 d3 y next;$ |: [2 ~' B# P
3中断语句
5 }1 l! b# O4 P- w waituntil <condition> prio <integer expression>;8 c9 K9 u0 ~, d) Z3 F
$ I: |2 [* m" a, W; k
! `0 f- `" W3 P2 b以上为常用的函数！5 |$ H, Y" e1 ^
还有很多，如有需要我把资料发到你邮箱里
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