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发表于 2012-11-13 08:48:12
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1判断语句2 _" `8 k I9 L
if <condition> then% n: h0 c+ U _9 `4 N
<statement sequence1>;/ N* v- X- K) }2 H$ j; C; r8 t
elseif <condition> then4 m- \- N; U: p: X4 E0 @! G( K# {
<statement sequence2>;7 `- b8 K* ?" {: l0 a% k
else ( S- g4 B: [9 A C* o% H1 Z
<statement sequence3>;
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如果分支比较多，用：
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when <constant_list> then
( g: ?# {. q* J) S- K. r <statement sequence1>;
9 B9 m+ N0 I; G2 f, u% T: J$ A when <constant_list> then
/ L9 g/ ~6 E+ [8 p2 c; Q0 _ <statement sequence2>;) P- U a3 l* G
...
7 o0 ]; g d& Y4 x* ]! i else
3 K& Y2 U) J$ ] <statement sequence3>;
5 F/ m' _. Y' S5 X* Oend;
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2循环语句) P% y3 i& g* }( u8 n6 S2 B
(1) from <statement sequence1>6 t8 [- I4 G: e: I7 w5 D: Y
until <condition> loop2 Y8 V# f0 Y( H* s: R# t8 P
<statement sequence2>;8 @& h2 `" u+ }
end;$ c. u5 x1 }3 d
(2) while <condition> loop, K% l! j7 E1 ^* J& x; O
<statement sequence1>;3 I4 ^" I! |! b: m+ s
end;; `; z/ [* y1 X; ]1 w4 a
(3) repeat : a! D! I+ \ j% Y8 ~
<statement sequence1>;- x9 }1 L( Q! g l2 R1 M
until <condition>;1 L8 M' [7 c' q6 F8 s. U
(4) for <condition> to <condition> loop' Q, R0 @3 J6 }, p$ w
<statement sequence1>;
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3中断语句: p" f- U) Q% z, ]& a7 V, c I
waituntil <condition> prio <integer expression>;- v2 s t6 {! Z. `# i' E2 U: b
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以上为常用的函数！* B5 K- H: q5 [7 {/ p
还有很多，如有需要我把资料发到你邮箱里
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