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发表于 2012-11-13 08:48:12
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1判断语句0 h. W4 u- s- A% `2 \; q$ ?" J
if <condition> then2 j% H& m5 f( j) i& |
<statement sequence1>;8 Z: S5 h2 D9 ?; n
elseif <condition> then
/ U# _2 b- s7 }% n* f" S <statement sequence2>;; {! U& u p! r/ h* u8 |1 N
else 9 }9 ], }0 v6 Y( J: x& n4 d' C1 W
<statement sequence3>;& \6 r, ^, F$ K- {4 D; S4 _
end;2 b+ o+ [9 ?1 Z: b7 O
如果分支比较多，用：1 O; ]/ L+ A5 o+ ?# I2 B/ d
inspect <expression>
( C6 V5 `) f. H; ^: G1 x when <constant_list> then. c* i: G5 g5 t* i- D
<statement sequence1>;
8 m' u( t& u; W/ N5 W, m8 U; _ when <constant_list> then
]' P. K: D8 s7 A( r" U <statement sequence2>;
; \/ s/ Y Z/ X# ~ ...
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<statement sequence3>;2 l/ V, V9 o* s3 m5 m8 t
end;
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5 @5 o5 P" z M# o- C2循环语句
" u A6 [8 ^& [$ w1 U (1) from <statement sequence1>
$ }5 c0 t4 s! m a9 X& ? until <condition> loop
+ i0 L9 A# R3 V4 c9 i& Y9 y* z <statement sequence2>;
a; ]; T" q7 C end;: A6 P. x5 Q( ?, c' s4 a) e$ [
(2) while <condition> loop
$ ?4 o, g% B3 ]9 S <statement sequence1>;1 [( | H. j _% ~
end;" U* b2 L) a: W+ \; ]
(3) repeat - c! s# i5 b5 w, L' Z! h& a3 l! S
<statement sequence1>;
9 t# A' ?8 W$ A! S until <condition>;: o1 Z0 v! X8 g* i9 _% }
(4) for <condition> to <condition> loop! ^$ f7 k$ G* F% D1 E
<statement sequence1>;
: g8 ~: x, c; F next;
- {2 b, k. o5 p+ _9 ^2 p# T2 Y3中断语句8 k, W9 I( W' ?& ]) t; m
waituntil <condition> prio <integer expression>;
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/ b$ x" S- C; n# L7 F$ b以上为常用的函数！: L6 R2 v6 x* h0 Z" K- N/ P
还有很多，如有需要我把资料发到你邮箱里 # B9 V9 F* B/ V' @$ c
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