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发表于 2012-11-13 08:48:12
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1判断语句
7 Y! x( h8 J$ u) `1 i if <condition> then+ n" d" ?6 g2 ^. g5 W
<statement sequence1>;6 o2 C5 p1 K/ P0 Y5 Z5 ^5 L$ ]; N$ x
elseif <condition> then
( \% I+ O- u0 n( [) V2 [' M7 W8 G <statement sequence2>;* z* n; `2 g2 {: G0 f% s: S/ a
else ! u. r, F' b. u8 N% n6 I
<statement sequence3>;
" T; V& }3 g1 f3 o/ ?- r end;9 ~" N4 |8 e( a. v
如果分支比较多，用：; _2 r0 }( S, @' k. q6 E
inspect <expression>" c! m* D' @- f& s
when <constant_list> then, ?0 ], U0 F/ i. t3 w5 ~, B
<statement sequence1>;
$ F$ G6 G, J9 J" V& [1 o9 O when <constant_list> then6 `% Y; x( R0 F5 [
<statement sequence2>;/ H n3 j5 W5 u4 d: i8 u* Y& u
...
# ]+ p3 `- M( f1 O! f else
8 ]7 w( v" i/ @) Z2 p8 u: I2 { <statement sequence3>;4 E: }1 C) P g0 K A
end;" h: h( C' m8 _, |- d
) W x7 W. m; q2循环语句
4 |) P' b( v0 c1 W (1) from <statement sequence1>% M9 h9 Y! w+ V/ h# M
until <condition> loop& J3 c! `, I0 B$ V0 V
<statement sequence2>;
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(2) while <condition> loop
' x) Y7 H# ~5 |- ]" O' o" S <statement sequence1>;) ~8 x( b7 \ d0 i t9 B
end;
2 X3 D" n! Z1 V2 i; f) G2 ^ (3) repeat 8 U9 X# i) a" W6 Z) J: W, t
<statement sequence1>;6 [5 ~- P Y/ X/ F2 X# N
until <condition>;
+ ?8 X, ~! {9 }$ j* [$ `! n# \" z E6 e (4) for <condition> to <condition> loop
" s+ g5 F: K$ D0 Q) o <statement sequence1>;* H2 \0 z$ X" o+ m) T2 r
next;. s, _- ^. {0 f- L
3中断语句! L# O' j* b! d
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 \0 P6 w4 B5 Z' B& E还有很多，如有需要我把资料发到你邮箱里 * I+ M7 A: }3 x$ ~) y
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