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发表于 2012-11-13 08:48:12
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1判断语句
9 F+ H- w" B6 d7 B% x9 G# Q% N if <condition> then- J' ^" h5 n$ A/ z! N% q! g9 B7 ~
<statement sequence1>;& |6 {. a8 d5 c# D0 N6 N+ D! u3 @7 x
elseif <condition> then* i& s" O; k1 O5 E2 z5 Z
<statement sequence2>;
: D% m3 s$ u1 x# k else
' p+ @4 v/ v) F' i$ x4 {$ l8 w/ |. F <statement sequence3>;2 F S5 M9 R5 j* `% ]
end;+ l5 X7 c; p: k: M0 o
如果分支比较多，用：+ G2 E# i5 z; V
inspect <expression>5 a+ m! [; r% Y$ b
when <constant_list> then8 V z, S0 B8 F! r: C) }8 W6 k
<statement sequence1>;9 N1 A7 z6 H# \, {
when <constant_list> then
! W1 B L1 ^7 ?) |- o; e <statement sequence2>;! Q- ~5 o/ T% h) I
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else
& @2 B/ S- P% Q <statement sequence3>;- J8 l! z1 |) n/ l3 y
end;
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: x9 R2 S* R& B+ q& u+ {2循环语句0 z$ J5 |. W7 K2 J. ^( S
(1) from <statement sequence1>5 u6 A7 W! N" c* }
until <condition> loop
5 D9 l- Q' R' w& q1 a, V. m <statement sequence2>;
% J% K1 Y+ ]- e. c end;; R& m2 P8 [6 h$ ~" i
(2) while <condition> loop
; \- _# `: M F* [ <statement sequence1>;
/ }$ @$ Z. n0 \9 R( i. a end;- M. Y7 t* q4 d1 R, n2 [7 s1 _
(3) repeat # j# H3 V/ ~4 y" l. J+ o
<statement sequence1>;
$ H! [: q( X; w. y4 u+ Y% d1 v4 \ until <condition>;
# V9 @1 x0 d; Z( Q/ N5 E3 s (4) for <condition> to <condition> loop7 N% J9 }; p4 k
<statement sequence1>;
/ \* j! P; x* i* { next;% P K/ @" o6 r$ g
3中断语句
( ^# @( u }7 P/ f; [ waituntil <condition> prio <integer expression>;! x- K" V9 R9 y J
' X+ \$ n: p" {/ j; @ a) |/ D3 U: `. s; w0 r6 S
以上为常用的函数！7 K7 |- B6 r7 e0 A
还有很多，如有需要我把资料发到你邮箱里
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