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发表于 2012-11-13 08:48:12
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1判断语句7 z- f6 ]0 u c( S1 O
if <condition> then
3 v- W0 f; w% v) r <statement sequence1>;
% i8 Q: @9 E& u$ ?# J d elseif <condition> then
# T# c% d# ?8 {6 u/ v3 _9 w% v <statement sequence2>;
2 M1 e& b$ Y" L' o else
0 `6 ?' z0 {( s- l, k) c* m <statement sequence3>;- M. P4 \% Z- ?( S" C* r
end;& {. A3 V7 O6 j+ s2 M
如果分支比较多，用：4 s* s: D# r" B% R( b( i- m
inspect <expression>
8 s8 ]3 I) B4 |- l when <constant_list> then8 s: ]1 w u$ |
<statement sequence1>;
8 G2 x6 ]( R- \& ~ P" R when <constant_list> then& z7 Y1 b. Y0 {! @" z
<statement sequence2>;
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else* X* Y0 h) `2 r( N) T, x$ P2 p* l
<statement sequence3>;
4 J& \, v7 {5 j& `5 z, W3 ~end;
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2循环语句% f% d' S- ]4 d1 I C: m
(1) from <statement sequence1>
9 s2 n# v' u+ `) D, Q9 g) s until <condition> loop2 Y' C0 i; d/ v& k; L
<statement sequence2>;& d# t+ E1 m" ~' I
end;( v/ X3 q# q/ d8 Y5 G, T
(2) while <condition> loop
9 j f4 }7 A' B9 F$ Q! F <statement sequence1>;; u5 r3 C/ _0 F$ D9 ]; A9 M/ {
end;
2 \$ u" g% P8 i7 _6 S4 J2 @ (3) repeat
8 c( B! p& h$ g0 W7 ~/ U <statement sequence1>;
z: P* K9 x8 L9 R0 s( V9 j until <condition>;
( ^& J" c5 @ O E6 A (4) for <condition> to <condition> loop
+ k0 q- w: f( ~% n <statement sequence1>;5 x: i" [( w5 r+ T. f
next;) f5 G, H7 D0 I8 ^. b2 V( T' n
3中断语句
+ X& F' q( t) l- x! I waituntil <condition> prio <integer expression>;
: F9 }. L8 E5 |! s9 V# a5 B+ u- Q: U. A5 M4 I# L6 | x
9 _" S+ z6 z* L' h' `0 [* B以上为常用的函数！
U% b* }0 _7 B# r) i还有很多，如有需要我把资料发到你邮箱里
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