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发表于 2012-11-13 08:48:12
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1判断语句% l& v7 Q: M, O; t+ g6 t
if <condition> then# ]- B+ ^$ Z9 I1 Q
<statement sequence1>;
% l! M6 z0 ^6 V1 B) i' z4 Y elseif <condition> then: E0 m7 q. e* m6 l7 @+ k
<statement sequence2>;
/ u" L( ?8 p6 e% r3 @) Y else
8 l" @3 D" h( E8 r& V* ~$ l8 ^0 E0 I <statement sequence3>;" h! s8 j6 X% @; L" L
end;* H; M4 y. d" B4 _/ x2 r
如果分支比较多，用：) D/ p5 }% z0 v. t6 L
inspect <expression>
! @! _8 Q: b; n* y% L0 V when <constant_list> then& b: {6 a" O; I' s
<statement sequence1>;& `# m+ c# m+ U* a/ j
when <constant_list> then
$ a% d5 U8 h# Y5 c# T- ~/ v* n <statement sequence2>;
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else
4 ]; \9 K3 D0 |& O <statement sequence3>;* p! s% X4 s$ G, c: V
end;1 L. O0 v- W. k+ o
$ }$ D" S1 p- O) {6 V* w2循环语句# f0 W* C' I; e
(1) from <statement sequence1>
1 t- L" Z+ l7 K/ d. A until <condition> loop3 z( T: }) T' L5 ^# a% n
<statement sequence2>;! w, y& B! v' M$ P- z. K
end;
# } W& y; w; |+ K% I# R" X- e4 { (2) while <condition> loop
5 p# g8 H; \* I6 S! N5 O5 H <statement sequence1>;; |1 z9 E: ]- N
end;
' D9 J" {" ^ P# y (3) repeat
' t9 M. v! i, G; a6 p n <statement sequence1>;/ q! O- j; [8 `2 _ @# S
until <condition>;
# c4 ]2 J5 e; W (4) for <condition> to <condition> loop$ s8 K! |- H" B2 o6 C
<statement sequence1>;
% c5 i* |5 A) P% V+ w/ _2 F' J( M next;
1 Y) r- l6 N2 S0 ?3 w3中断语句2 |/ o; _: F' F3 C
waituntil <condition> prio <integer expression>;1 U( r+ L/ v7 n9 @6 P0 B3 T B0 c
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以上为常用的函数！# r, [- h: m4 H) ], q* C
还有很多，如有需要我把资料发到你邮箱里
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